Updated plugins

sources_non_forked/ale/ale_linters/graphql/eslint.vim

@@ -5,5 +5,5 @@ call ale#linter#Define('graphql', {
 \   'name': 'eslint',
 \   'executable': function('ale#handlers#eslint#GetExecutable'),
 \   'command': function('ale#handlers#eslint#GetCommand'),
-\   'callback': 'ale#handlers#eslint#Handle',
+\   'callback': 'ale#handlers#eslint#HandleJSON',
 \})

sources_non_forked/ale/ale_linters/python/mypy.vim

@@ -3,6 +3,7 @@
 
 call ale#Set('python_mypy_executable', 'mypy')
 call ale#Set('python_mypy_ignore_invalid_syntax', 0)
+call ale#Set('python_mypy_show_notes', 1)
 call ale#Set('python_mypy_options', '')
 call ale#Set('python_mypy_use_global', get(g:, 'ale_use_global_executables', 0))
 call ale#Set('python_mypy_auto_pipenv', 0)
@@ -18,6 +19,15 @@ endfunction
 
 " The directory to change to before running mypy
 function! s:GetDir(buffer) abort
+    " If we find a directory with "mypy.ini" in it use that,
+    " else try and find the "python project" root, or failing
+    " that, run from the same folder as the current file
+    for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
+        if filereadable(l:path . '/mypy.ini')
+            return l:path
+        endif
+    endfor
+
     let l:project_root = ale#python#FindProjectRoot(a:buffer)
 
     return !empty(l:project_root)
@@ -51,7 +61,16 @@ function! ale_linters#python#mypy#Handle(buffer, lines) abort
     " Lines like these should be ignored below:
     "
     " file.py:4: note: (Stub files are from https://github.com/python/typeshed)
-    let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):?(\d+)?: (error|warning): (.+)$'
+
+    let l:types = 'error|warning'
+
+    if ale#Var(a:buffer, 'python_mypy_show_notes')
+        let l:types = 'error|warning|note'
+    endif
+
+    let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):?(\d+)?: ('
+    \   . l:types
+    \   . '): (.+)$'
     let l:output = []
 
     for l:match in ale#util#GetMatches(a:lines, l:pattern)
@@ -65,7 +84,7 @@ function! ale_linters#python#mypy#Handle(buffer, lines) abort
         \   'filename': ale#path#GetAbsPath(l:dir, l:match[1]),
         \   'lnum': l:match[2] + 0,
         \   'col': l:match[3] + 0,
-        \   'type': l:match[4] is# 'error' ? 'E' : 'W',
+        \   'type': l:match[4] is# 'error' ? 'E' : (l:match[4] is# 'note' ? 'I': 'W'),
         \   'text': l:match[5],
         \})
     endfor

sources_non_forked/ale/autoload/ale/completion.vim

@@ -261,6 +261,8 @@ function! s:ReplaceCompletionOptions() abort
 
         if &l:completeopt =~# 'preview'
             let &l:completeopt = 'menu,menuone,preview,noselect,noinsert'
+        elseif &l:completeopt =~# 'popup'
+            let &l:completeopt = 'menu,menuone,popup,noselect,noinsert'
         else
             let &l:completeopt = 'menu,menuone,noselect,noinsert'
         endif
@@ -386,7 +388,6 @@ function! s:CompletionStillValid(request_id) abort
     \&& b:ale_completion_info.line == l:line
     \&& (
     \   b:ale_completion_info.column == l:column
-    \   || b:ale_completion_info.source is# 'deoplete'
     \   || b:ale_completion_info.source is# 'ale-omnifunc'
     \   || b:ale_completion_info.source is# 'ale-callback'
     \)
@@ -803,7 +804,9 @@ endfunction
 function! ale#completion#HandleUserData(completed_item) abort
     let l:source = get(get(b:, 'ale_completion_info', {}), 'source', '')
 
-    if l:source isnot# 'ale-automatic' && l:source isnot# 'ale-manual' && l:source isnot# 'ale-callback'
+    if l:source isnot# 'ale-automatic'
+    \&& l:source isnot# 'ale-manual'
+    \&& l:source isnot# 'ale-callback'
         return
     endif
 

sources_non_forked/ale/autoload/ale/handlers/eslint.vim

@@ -42,7 +42,18 @@ function! ale#handlers#eslint#GetCommand(buffer) abort
 
     let l:options = ale#Var(a:buffer, 'javascript_eslint_options')
 
-    return ale#node#Executable(a:buffer, l:executable)
+    " ESLint 6 loads plugins/configs/parsers from the project root
+    " By default, the project root is simply the CWD of the running process.
+    " https://github.com/eslint/rfcs/blob/master/designs/2018-simplified-package-loading/README.md
+    " https://github.com/dense-analysis/ale/issues/2787
+    " Identify project root from presence of node_modules dir.
+    " Note: If node_modules not present yet, can't load local deps anyway.
+    let l:modules_dir = ale#path#FindNearestDirectory(a:buffer, 'node_modules')
+    let l:project_dir = !empty(l:modules_dir) ? fnamemodify(l:modules_dir, ':h:h') : ''
+    let l:cd_command = !empty(l:project_dir) ? ale#path#CdString(l:project_dir) : ''
+
+    return l:cd_command
+    \   . ale#node#Executable(a:buffer, l:executable)
     \   . (!empty(l:options) ? ' ' . l:options : '')
     \   . ' -f json --stdin --stdin-filename %s'
 endfunction

sources_non_forked/ale/autoload/ale/hover.vim

@@ -42,6 +42,11 @@ function! ale#hover#HandleTSServerResponse(conn_id, response) abort
             \&& exists('*balloon_show')
             \&& ale#Var(l:options.buffer, 'set_balloons')
                 call balloon_show(a:response.body.displayString)
+            elseif g:ale_hover_to_preview
+                call ale#preview#Show(split(a:response.body.displayString, "\n"), {
+                \   'filetype': 'ale-preview.message',
+                \   'stay_here': 1,
+                \})
             else
                 call ale#util#ShowMessage(a:response.body.displayString)
             endif
@@ -98,6 +103,11 @@ function! ale#hover#HandleLSPResponse(conn_id, response) abort
                 \&& exists('*balloon_show')
                 \&& ale#Var(l:options.buffer, 'set_balloons')
                     call balloon_show(l:str)
+                elseif g:ale_hover_to_preview
+                    call ale#preview#Show(split(l:str, "\n"), {
+                    \   'filetype': 'ale-preview.message',
+                    \   'stay_here': 1,
+                    \})
                 else
                     call ale#util#ShowMessage(l:str)
                 endif

sources_non_forked/ale/doc/ale-python.txt

@@ -263,6 +263,15 @@ to check for errors while you type.
 `mypy` will be run from a detected project root, per |ale-python-root|.
 
 
+g:ale_python_mypy_auto_pipenv                   *g:ale_python_mypy_auto_pipenv*
+                                                *b:ale_python_mypy_auto_pipenv*
+  Type: |Number|
+  Default: `0`
+
+  Detect whether the file is inside a pipenv, and set the executable to `pipenv`
+  if true. This is overridden by a manually-set executable.
+
+
 g:ale_python_mypy_executable                     *g:ale_python_mypy_executable*
                                                  *b:ale_python_mypy_executable*
   Type: |String|
@@ -272,6 +281,7 @@ g:ale_python_mypy_executable                     *g:ale_python_mypy_executable*
 
   Set this to `'pipenv'` to invoke `'pipenv` `run` `mypy'`.
 
+
 g:ale_python_mypy_ignore_invalid_syntax
                                       *g:ale_python_mypy_ignore_invalid_syntax*
                                       *b:ale_python_mypy_ignore_invalid_syntax*
@@ -292,6 +302,14 @@ g:ale_python_mypy_options                           *g:ale_python_mypy_options*
   invocation.
 
 
+g:ale_python_mypy_show_notes                     *g:ale_python_mypy_show_notes*
+                                                 *b:ale_python_mypy_show_notes*
+  Type: |Number|
+  Default: `1`
+
+  If enabled, notes on lines will be displayed as 'I' (info) messages.
+
+
 g:ale_python_mypy_use_global                     *g:ale_python_mypy_use_global*
                                                  *b:ale_python_mypy_use_global*
   Type: |Number|
@@ -300,14 +318,6 @@ g:ale_python_mypy_use_global                     *g:ale_python_mypy_use_global*
   See |ale-integrations-local-executables|
 
 
-g:ale_python_mypy_auto_pipenv                   *g:ale_python_mypy_auto_pipenv*
-                                                *b:ale_python_mypy_auto_pipenv*
-  Type: |Number|
-  Default: `0`
-
-  Detect whether the file is inside a pipenv, and set the executable to `pipenv`
-  if true. This is overridden by a manually-set executable.
-
 
 ===============================================================================
 prospector                                              *ale-python-prospector*

sources_non_forked/ale/doc/ale.txt

@@ -432,6 +432,11 @@ vimrc, and your issues should go away. >
 
   set completeopt=menu,menuone,preview,noselect,noinsert
 <
+
+Or alternatively, if you want to show documentation in popups: >
+
+  set completeopt=menu,menuone,popup,noselect,noinsert
+<
                                                                   *ale-symbols*
 
 ALE provides a set of basic completion symbols. If you want to replace those
@@ -525,6 +530,9 @@ the mouse over a symbol in a buffer. Diagnostic information will take priority
 over hover information for balloons. If a line contains a problem, that
 problem will be displayed in a balloon instead of hover information.
 
+Hover information can be displayed in the preview window instead by setting
+|g:ale_hover_to_preview| to `1`.
+
 For Vim 8.1+ terminals, mouse hovering is disabled by default. Enabling
 |balloonexpr| commands in terminals can cause scrolling issues in terminals,
 so ALE will not attempt to show balloons unless |g:ale_set_balloons| is set to
@@ -1023,6 +1031,16 @@ g:ale_history_log_output                             *g:ale_history_log_output*
   if you want to save on some memory usage.
 
 
+g:ale_hover_to_preview                                 *g:ale_hover_to_preview*
+                                                       *b:ale_hover_to_preview*
+
+  Type: |Number|
+  Default: `0`
+
+  If set to `1`, hover messages will be displayed in the preview window,
+  instead of in balloons or the message line.
+
+
 g:ale_keep_list_window_open                       *g:ale_keep_list_window_open*
                                                   *b:ale_keep_list_window_open*
   Type: |Number|

sources_non_forked/ale/plugin/ale.vim

@@ -125,6 +125,9 @@ let g:ale_close_preview_on_insert = get(g:, 'ale_close_preview_on_insert', 0)
 " This flag can be set to 0 to disable balloon support.
 let g:ale_set_balloons = get(g:, 'ale_set_balloons', has('balloon_eval') && has('gui_running'))
 
+" Use preview window for hover messages.
+let g:ale_hover_to_preview = get(g:, 'ale_hover_to_preview', 0)
+
 " This flag can be set to 0 to disable warnings for trailing whitespace
 let g:ale_warn_about_trailing_whitespace = get(g:, 'ale_warn_about_trailing_whitespace', 1)
 " This flag can be set to 0 to disable warnings for trailing blank lines

sources_non_forked/ale/rplugin/python3/deoplete/sources/ale.py

@@ -24,6 +24,7 @@ class Source(Base):
         self.rank = 1000
         self.is_bytepos = True
         self.min_pattern_length = 1
+        self.is_volatile = True
         # Do not forget to update s:trigger_character_map in completion.vim in
         # updating entries in this map.
         self.input_patterns = {
@@ -44,21 +45,16 @@ class Source(Base):
         if not self.vim.call('ale#completion#CanProvideCompletions'):
             return None
 
-        if context.get('is_refresh'):
+        event = context.get('event')
-            context['is_async'] = False
 
-        if context['is_async']:
+        if event == 'Async':
-            # Result is the same as for omnifunc, or None.
             result = self.vim.call('ale#completion#GetCompletionResult')
+            return result or []
 
-            if result is not None:
+        if context.get('is_refresh'):
-                context['is_async'] = False
+            self.vim.command(
-
+                "call ale#completion#GetCompletions('ale-callback', " + \
-                return result
+                "{'callback': {completions -> deoplete#auto_complete() }})"
-        else:
+            )
-            context['is_async'] = True
-
-            # Request some completion results.
-            self.vim.call('ale#completion#GetCompletions', 'deoplete')
 
         return []

sources_non_forked/nerdtree/.github/workflows/vint.yml

@@ -0,0 +1,15 @@
+name: Vint
+on: [push, pull_request]
+jobs:
+  vint:
+    strategy:
+      fail-fast: false
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@master
+    - name: Run vint with reviewdog
+      uses: reviewdog/action-vint@v1.0.1
+      with:
+        github_token: ${{ secrets.github_token }}
+        reporter: github-pr-review

sources_non_forked/nerdtree/.vintrc.yaml

@@ -0,0 +1,5 @@
+cmdargs:
+  severity: style_problem
+  color: true
+  env:
+    neovim: false

sources_non_forked/nerdtree/CHANGELOG.md

@@ -8,152 +8,154 @@
         - **.PATCH**: Pull Request Title (PR Author) [PR Number](Link to PR)
 -->
 #### 6.4
+- **.3**: Fix regex that finds keyword for minimal menu. (PhilRunninger) [#1075](https://github.com/preservim/nerdtree/pull/1075)
+- **.2**: Lint vimscript, fix errors and warnings, add CI job to review PRs (Caleb Maclennan) [#1071](https://github.com/preservim/nerdtree/pull/1071)
 - **.1**: Ensure backward compatibility. v:t_func is not available before Vim 8.0 (Phil Runninger)
-- **.0**: Allow use of function references as callbacks (HiPhish) [#1067](https://github.com/scrooloose/nerdtree/pull/1067)
+- **.0**: Allow use of function references as callbacks (HiPhish) [#1067](https://github.com/preservim/nerdtree/pull/1067)
 #### 6.3
-- **.0**: Add new command that behaves like NERDTreeToggle but defaults to the root of a VCS repository. (willfindlay) [#1060](https://github.com/scrooloose/nerdtree/pull/1060)
+- **.0**: Add new command that behaves like NERDTreeToggle but defaults to the root of a VCS repository. (willfindlay) [#1060](https://github.com/preservim/nerdtree/pull/1060)
 #### 6.2
-- **.1**: Menu option, 'copy path to clipboard' is aware of VIM clipboard option (jhzn) [#1056](https://github.com/scrooloose/nerdtree/pull/1056)
+- **.1**: Menu option, 'copy path to clipboard' is aware of VIM clipboard option (jhzn) [#1056](https://github.com/preservim/nerdtree/pull/1056)
-- **.0**: Support tab-specific CWDs (PhilRunninger) [#1032](https://github.com/scrooloose/nerdtree/pull/1032)
+- **.0**: Support tab-specific CWDs (PhilRunninger) [#1032](https://github.com/preservim/nerdtree/pull/1032)
 #### 6.1
-- **.4**: Add VIM built-in package management to read me file. (pesarkhobeee) [#1049](https://github.com/scrooloose/nerdtree/pull/1049)
+- **.4**: Add VIM built-in package management to read me file. (pesarkhobeee) [#1049](https://github.com/preservim/nerdtree/pull/1049)
-- **.3**: Save/Set screen state also on WinLeave and WinEnter. (PhilRunninger) [#1048](https://github.com/scrooloose/nerdtree/pull/1048)
+- **.3**: Save/Set screen state also on WinLeave and WinEnter. (PhilRunninger) [#1048](https://github.com/preservim/nerdtree/pull/1048)
-- **.2**: Wrap saveScreenState's statements in a try-catch block. (PhilRunninger) [#1047](https://github.com/scrooloose/nerdtree/pull/1047)
+- **.2**: Wrap saveScreenState's statements in a try-catch block. (PhilRunninger) [#1047](https://github.com/preservim/nerdtree/pull/1047)
-- **.1**: Catch errors when trying to read CHANGELOG.md. (PhilRunninger) [#1045](https://github.com/scrooloose/nerdtree/pull/1045)
+- **.1**: Catch errors when trying to read CHANGELOG.md. (PhilRunninger) [#1045](https://github.com/preservim/nerdtree/pull/1045)
-- **.0**: If file path doesn't exist, :NERDTreeFind its parent directory instead. (PhilRunninger) [#1043](https://github.com/scrooloose/nerdtree/pull/1043)
+- **.0**: If file path doesn't exist, :NERDTreeFind its parent directory instead. (PhilRunninger) [#1043](https://github.com/preservim/nerdtree/pull/1043)
 #### 6.0
-- **.1**: Reintroduce necessary variable mistakenly removed. (PhilRunninger) [#1040](https://github.com/scrooloose/nerdtree/pull/1040)
+- **.1**: Reintroduce necessary variable mistakenly removed. (PhilRunninger) [#1040](https://github.com/preservim/nerdtree/pull/1040)
-- **.0**: Make the behavior of window splits consistent (dragonxlwang, PhilRunninger) [#1035](https://github.com/scrooloose/nerdtree/pull/1035)
+- **.0**: Make the behavior of window splits consistent (dragonxlwang, PhilRunninger) [#1035](https://github.com/preservim/nerdtree/pull/1035)
 #### 5.3
-- **.3**: Fix (p)ath not displaying in the minimal menu (tuzz) [#1038](https://github.com/scrooloose/nerdtree/pull/1038)
+- **.3**: Fix (p)ath not displaying in the minimal menu (tuzz) [#1038](https://github.com/preservim/nerdtree/pull/1038)
-- **.2**: Enable events when closing NerdTree window. (PhilRunninger) [#1037](https://github.com/scrooloose/nerdtree/pull/1037)
+- **.2**: Enable events when closing NerdTree window. (PhilRunninger) [#1037](https://github.com/preservim/nerdtree/pull/1037)
-- **.1**: Fix the `e` key mapping to use netrw if desired (PhilRunninger) [#1031](https://github.com/scrooloose/nerdtree/pull/1031)
+- **.1**: Fix the `e` key mapping to use netrw if desired (PhilRunninger) [#1031](https://github.com/preservim/nerdtree/pull/1031)
-- **.0**: Add file extension and size to sorting capabilities (PhilRunninger) [#1029](https://github.com/scrooloose/nerdtree/pull/1029)
+- **.0**: Add file extension and size to sorting capabilities (PhilRunninger) [#1029](https://github.com/preservim/nerdtree/pull/1029)
 #### 5.2
-- **.9**: Suppress events for intermediate window/tab/buffer changes (PhilRunninger) [#1026](https://github.com/scrooloose/nerdtree/pull/1026)
+- **.9**: Suppress events for intermediate window/tab/buffer changes (PhilRunninger) [#1026](https://github.com/preservim/nerdtree/pull/1026)
-- **.8**: Revert [#1019](https://github.com/scrooloose/nerdtree/pull/1019) to fix nvim artifacts and flickering. (PhilRunninger) [#1021](https://github.com/scrooloose/nerdtree/pull/1021)
+- **.8**: Revert [#1019](https://github.com/preservim/nerdtree/pull/1019) to fix nvim artifacts and flickering. (PhilRunninger) [#1021](https://github.com/preservim/nerdtree/pull/1021)
-- **.7**: Use :mode only in neovim. MacVim still needs to use :redraw! (PhilRunninger) [#1019](https://github.com/scrooloose/nerdtree/pull/1019)
+- **.7**: Use :mode only in neovim. MacVim still needs to use :redraw! (PhilRunninger) [#1019](https://github.com/preservim/nerdtree/pull/1019)
-- **.6**: In CHANGELOG.md and PR template, make reference to PR a true HTML link. (PhilRunninger) [#1017](https://github.com/scrooloose/nerdtree/pull/1017)
+- **.6**: In CHANGELOG.md and PR template, make reference to PR a true HTML link. (PhilRunninger) [#1017](https://github.com/preservim/nerdtree/pull/1017)
-- **.5**: Use `:mode` instead of `:redraw!` when updating menu. (PhilRunninger) [#1016](https://github.com/scrooloose/nerdtree/pull/1016)
+- **.5**: Use `:mode` instead of `:redraw!` when updating menu. (PhilRunninger) [#1016](https://github.com/preservim/nerdtree/pull/1016)
-- **.4**: When searching for root line num, stop at end of file. (PhilRunninger) [#1015](https://github.com/scrooloose/nerdtree/pull/1015)
+- **.4**: When searching for root line num, stop at end of file. (PhilRunninger) [#1015](https://github.com/preservim/nerdtree/pull/1015)
-- **.3**: Fix `<CR>` key map on the bookmark (lkebin) [#1014](https://github.com/scrooloose/nerdtree/pull/1014)
+- **.3**: Fix `<CR>` key map on the bookmark (lkebin) [#1014](https://github.com/preservim/nerdtree/pull/1014)
-- **.2**: Make Enter work on the `.. ( up a dir )` line (PhilRunninger) [#1013](https://github.com/scrooloose/nerdtree/pull/1013)
+- **.2**: Make Enter work on the `.. ( up a dir )` line (PhilRunninger) [#1013](https://github.com/preservim/nerdtree/pull/1013)
 - **.1**: Fix nerdtree#version() on Windows. (PhilRunninger)
-- **.0**: Expand functionality of `<CR>` mapping. (PhilRunninger) [#1011](https://github.com/scrooloose/nerdtree/pull/1011)
+- **.0**: Expand functionality of `<CR>` mapping. (PhilRunninger) [#1011](https://github.com/preservim/nerdtree/pull/1011)
 #### 5.1
-- **.3**: Remove @mentions from PR template and change log. They weren't working. (PhilRunninger) [#1009](https://github.com/scrooloose/nerdtree/pull/1009)
+- **.3**: Remove @mentions from PR template and change log. They weren't working. (PhilRunninger) [#1009](https://github.com/preservim/nerdtree/pull/1009)
-- **.2**: Fix NERDTree opening with the wrong size. (PhilRunninger) [#1008](https://github.com/scrooloose/nerdtree/pull/1008)
+- **.2**: Fix NERDTree opening with the wrong size. (PhilRunninger) [#1008](https://github.com/preservim/nerdtree/pull/1008)
-- **.1**: Update Changelog and create PR Template (PhilRunninger) [#1007](https://github.com/scrooloose/nerdtree/pull/1007)
+- **.1**: Update Changelog and create PR Template (PhilRunninger) [#1007](https://github.com/preservim/nerdtree/pull/1007)
 - **.0**: Too many changes for one patch...
-    - Refresh a dir_node if the file wasn't found in it, and look once more. (PhilRunninger) [#1005](https://github.com/scrooloose/nerdtree/pull/1005)
+    - Refresh a dir_node if the file wasn't found in it, and look once more. (PhilRunninger) [#1005](https://github.com/preservim/nerdtree/pull/1005)
-    - Add a "copy path to clipboard" menu option (PhilRunninger) [#1002](https://github.com/scrooloose/nerdtree/pull/1002)
+    - Add a "copy path to clipboard" menu option (PhilRunninger) [#1002](https://github.com/preservim/nerdtree/pull/1002)
-    - Enable root refresh on "vim ." a different way than [#999](https://github.com/scrooloose/nerdtree/pull/999). (PhilRunninger) [#1001](https://github.com/scrooloose/nerdtree/pull/1001)
+    - Enable root refresh on "vim ." a different way than [#999](https://github.com/preservim/nerdtree/pull/999). (PhilRunninger) [#1001](https://github.com/preservim/nerdtree/pull/1001)
-    - Fix refreshroot (PhilRunninger) [#999](https://github.com/scrooloose/nerdtree/pull/999)
+    - Fix refreshroot (PhilRunninger) [#999](https://github.com/preservim/nerdtree/pull/999)
-    - Change version check to look for 703 not 730 (vhalis) [#994](https://github.com/scrooloose/nerdtree/pull/994)
+    - Change version check to look for 703 not 730 (vhalis) [#994](https://github.com/preservim/nerdtree/pull/994)
-    - Change minimum vim (PhilRunninger) [#991](https://github.com/scrooloose/nerdtree/pull/991)
+    - Change minimum vim (PhilRunninger) [#991](https://github.com/preservim/nerdtree/pull/991)
-    - Allow multi-character DirArrows (PhilRunninger) [#985](https://github.com/scrooloose/nerdtree/pull/985)
+    - Allow multi-character DirArrows (PhilRunninger) [#985](https://github.com/preservim/nerdtree/pull/985)
-    - Remove redraw! while still clearing last message empty string. (PhilRunninger) [#979](https://github.com/scrooloose/nerdtree/pull/979)
+    - Remove redraw! while still clearing last message empty string. (PhilRunninger) [#979](https://github.com/preservim/nerdtree/pull/979)
-    - fix `_initChildren` function value set to numChildrenCached error (terryding77) [#969](https://github.com/scrooloose/nerdtree/pull/969)
+    - fix `_initChildren` function value set to numChildrenCached error (terryding77) [#969](https://github.com/preservim/nerdtree/pull/969)
-    - On Windows, do a case-insensitive comparison of paths. (PhilRunninger) [#967](https://github.com/scrooloose/nerdtree/pull/967)
+    - On Windows, do a case-insensitive comparison of paths. (PhilRunninger) [#967](https://github.com/preservim/nerdtree/pull/967)
-    - Remove the **Please wait... DONE** messages. (PhilRunninger) [#966](https://github.com/scrooloose/nerdtree/pull/966)
+    - Remove the **Please wait... DONE** messages. (PhilRunninger) [#966](https://github.com/preservim/nerdtree/pull/966)
-    - Smarter delimiter default (PhilRunninger) [#963](https://github.com/scrooloose/nerdtree/pull/963)
+    - Smarter delimiter default (PhilRunninger) [#963](https://github.com/preservim/nerdtree/pull/963)
-    - Update directory .vimdc readme example (spencerdcarlson) [#961](https://github.com/scrooloose/nerdtree/pull/961)
+    - Update directory .vimdc readme example (spencerdcarlson) [#961](https://github.com/preservim/nerdtree/pull/961)
-    - Preview bookmarks (PhilRunninger) [#956](https://github.com/scrooloose/nerdtree/pull/956)
+    - Preview bookmarks (PhilRunninger) [#956](https://github.com/preservim/nerdtree/pull/956)
-    - Add new value to NERDTreeQuitOnOpen to close bookmark table (PhilRunninger) [#955](https://github.com/scrooloose/nerdtree/pull/955)
+    - Add new value to NERDTreeQuitOnOpen to close bookmark table (PhilRunninger) [#955](https://github.com/preservim/nerdtree/pull/955)
-    - Add an :EditBookmarks command to edit the bookmarks file (PhilRunninger) [#954](https://github.com/scrooloose/nerdtree/pull/954)
+    - Add an :EditBookmarks command to edit the bookmarks file (PhilRunninger) [#954](https://github.com/preservim/nerdtree/pull/954)
-    - Before copying, turn off &shellslash. Restore after copy is finished. (PhilRunninger) [#952](https://github.com/scrooloose/nerdtree/pull/952)
+    - Before copying, turn off &shellslash. Restore after copy is finished. (PhilRunninger) [#952](https://github.com/preservim/nerdtree/pull/952)
-    - Set a maximum window size when zooming. (PhilRunninger) [#950](https://github.com/scrooloose/nerdtree/pull/950)
+    - Set a maximum window size when zooming. (PhilRunninger) [#950](https://github.com/preservim/nerdtree/pull/950)
-    - Confirm the wipeout of a unsaved buffer whose file has been renamed. (PhilRunninger) [#949](https://github.com/scrooloose/nerdtree/pull/949)
+    - Confirm the wipeout of a unsaved buffer whose file has been renamed. (PhilRunninger) [#949](https://github.com/preservim/nerdtree/pull/949)
-    - Escape a backslash so it can be used in a key mapping. (PhilRunninger) [#948](https://github.com/scrooloose/nerdtree/pull/948)
+    - Escape a backslash so it can be used in a key mapping. (PhilRunninger) [#948](https://github.com/preservim/nerdtree/pull/948)
-    - Add a NERDTreeMinimalMenu feature (tuzz) [#938](https://github.com/scrooloose/nerdtree/pull/938)
+    - Add a NERDTreeMinimalMenu feature (tuzz) [#938](https://github.com/preservim/nerdtree/pull/938)
-    - fixed root path error for windows (zcodes) [#935](https://github.com/scrooloose/nerdtree/pull/935)
+    - fixed root path error for windows (zcodes) [#935](https://github.com/preservim/nerdtree/pull/935)
-    - Restore getDirChildren for use in nerdtree-project-plugin. (PhilRunninger) [#929](https://github.com/scrooloose/nerdtree/pull/929)
+    - Restore getDirChildren for use in nerdtree-project-plugin. (PhilRunninger) [#929](https://github.com/preservim/nerdtree/pull/929)
-    - Document NERDTreeNodeDelimiter [#912](https://github.com/scrooloose/nerdtree/pull/912) (PhilRunninger) [#926](https://github.com/scrooloose/nerdtree/pull/926)
+    - Document NERDTreeNodeDelimiter [#912](https://github.com/preservim/nerdtree/pull/912) (PhilRunninger) [#926](https://github.com/preservim/nerdtree/pull/926)
-    - Allow modification of menu keybindings (Leandros) [#923](https://github.com/scrooloose/nerdtree/pull/923)
+    - Allow modification of menu keybindings (Leandros) [#923](https://github.com/preservim/nerdtree/pull/923)
-    - Add two more disqualifications for isCascadable(). (PhilRunninger) [#914](https://github.com/scrooloose/nerdtree/pull/914)
+    - Add two more disqualifications for isCascadable(). (PhilRunninger) [#914](https://github.com/preservim/nerdtree/pull/914)
-    - Allow highlighting more than one flag. (kristijanhusak) [#908](https://github.com/scrooloose/nerdtree/pull/908)
+    - Allow highlighting more than one flag. (kristijanhusak) [#908](https://github.com/preservim/nerdtree/pull/908)
-    - Support sorting files and directories by modification time. (PhilRunninger) [#901](https://github.com/scrooloose/nerdtree/pull/901)
+    - Support sorting files and directories by modification time. (PhilRunninger) [#901](https://github.com/preservim/nerdtree/pull/901)
-    - Parse . and .. from path string with trailing slash. (PhilRunninger) [#899](https://github.com/scrooloose/nerdtree/pull/899)
+    - Parse . and .. from path string with trailing slash. (PhilRunninger) [#899](https://github.com/preservim/nerdtree/pull/899)
-    - Force sort to recalculate the cached sortKey. (PhilRunninger) [#898](https://github.com/scrooloose/nerdtree/pull/898)
+    - Force sort to recalculate the cached sortKey. (PhilRunninger) [#898](https://github.com/preservim/nerdtree/pull/898)
-    - Add NERDTreeRefreshRoot command (wgfm) [#897](https://github.com/scrooloose/nerdtree/pull/897)
+    - Add NERDTreeRefreshRoot command (wgfm) [#897](https://github.com/preservim/nerdtree/pull/897)
-    - Call Resolve on the file's path when calling :NERDTreeFind. (PhilRunninger) [#896](https://github.com/scrooloose/nerdtree/pull/896)
+    - Call Resolve on the file's path when calling :NERDTreeFind. (PhilRunninger) [#896](https://github.com/preservim/nerdtree/pull/896)
-    - Catch all errors, not just NERDTree errors. (PhilRunninger) [#894](https://github.com/scrooloose/nerdtree/pull/894)
+    - Catch all errors, not just NERDTree errors. (PhilRunninger) [#894](https://github.com/preservim/nerdtree/pull/894)
-    - Fix typo in help file (lvoisin) [#892](https://github.com/scrooloose/nerdtree/pull/892)
+    - Fix typo in help file (lvoisin) [#892](https://github.com/preservim/nerdtree/pull/892)
-    - Make NERDTreeCreator set the `'nolist'` option (lifecrisis) [#889](https://github.com/scrooloose/nerdtree/pull/889)
+    - Make NERDTreeCreator set the `'nolist'` option (lifecrisis) [#889](https://github.com/preservim/nerdtree/pull/889)
-    - Refresh buffers after `m`, `m` operation on a folder (PhilRunninger) [#888](https://github.com/scrooloose/nerdtree/pull/888)
+    - Refresh buffers after `m`, `m` operation on a folder (PhilRunninger) [#888](https://github.com/preservim/nerdtree/pull/888)
-    - Use a better arg for FINDSTR when using the m,l command in Windows. (PhilRunninger) [#887](https://github.com/scrooloose/nerdtree/pull/887)
+    - Use a better arg for FINDSTR when using the m,l command in Windows. (PhilRunninger) [#887](https://github.com/preservim/nerdtree/pull/887)
-    - Fix the <C-J>/<C-K> motions, which currently fail with cascades (lifecrisis) [#886](https://github.com/scrooloose/nerdtree/pull/886)
+    - Fix the <C-J>/<C-K> motions, which currently fail with cascades (lifecrisis) [#886](https://github.com/preservim/nerdtree/pull/886)
-    - Function "s:UI.getLineNum()" doesn't always work on cascades. (lifecrisis) [#882](https://github.com/scrooloose/nerdtree/pull/882)
+    - Function "s:UI.getLineNum()" doesn't always work on cascades. (lifecrisis) [#882](https://github.com/preservim/nerdtree/pull/882)
-    - NERDTreeCWD: reset CWD if changed by NERDTreeFocus (PhilRunninger) [#878](https://github.com/scrooloose/nerdtree/pull/878)
+    - NERDTreeCWD: reset CWD if changed by NERDTreeFocus (PhilRunninger) [#878](https://github.com/preservim/nerdtree/pull/878)
-    - Use <count>tabnext instead of <count>gt to allow users to remap gt. (PhilRunninger) [#877](https://github.com/scrooloose/nerdtree/pull/877)
+    - Use <count>tabnext instead of <count>gt to allow users to remap gt. (PhilRunninger) [#877](https://github.com/preservim/nerdtree/pull/877)
-    - Do a case sensitive comparison of new/existing buffers. (PhilRunninger) [#875](https://github.com/scrooloose/nerdtree/pull/875)
+    - Do a case sensitive comparison of new/existing buffers. (PhilRunninger) [#875](https://github.com/preservim/nerdtree/pull/875)
-    - Fix opening sub-directories that have commas in their name. (PhilRunninger) [#873](https://github.com/scrooloose/nerdtree/pull/873)
+    - Fix opening sub-directories that have commas in their name. (PhilRunninger) [#873](https://github.com/preservim/nerdtree/pull/873)
-    - Add new command to open NERDTree in the root of a VCS repository. (PhilRunninger) [#872](https://github.com/scrooloose/nerdtree/pull/872)
+    - Add new command to open NERDTree in the root of a VCS repository. (PhilRunninger) [#872](https://github.com/preservim/nerdtree/pull/872)
-    - Make sure the path to the bookmarks file exists before writing it. (PhilRunninger) [#871](https://github.com/scrooloose/nerdtree/pull/871)
+    - Make sure the path to the bookmarks file exists before writing it. (PhilRunninger) [#871](https://github.com/preservim/nerdtree/pull/871)
-    - Unzoom NERDTree when opening a file (PhilRunninger) [#870](https://github.com/scrooloose/nerdtree/pull/870)
+    - Unzoom NERDTree when opening a file (PhilRunninger) [#870](https://github.com/preservim/nerdtree/pull/870)
-    - Support unusual characters in file and directory names (PhilRunninger) [#868](https://github.com/scrooloose/nerdtree/pull/868)
+    - Support unusual characters in file and directory names (PhilRunninger) [#868](https://github.com/preservim/nerdtree/pull/868)
-    - Reword renamed-buffer prompt to be more clear (aflock) [#867](https://github.com/scrooloose/nerdtree/pull/867)
+    - Reword renamed-buffer prompt to be more clear (aflock) [#867](https://github.com/preservim/nerdtree/pull/867)
-    - Default to placing cursor on root when closing bookmark table (lifecrisis) [#866](https://github.com/scrooloose/nerdtree/pull/866)
+    - Default to placing cursor on root when closing bookmark table (lifecrisis) [#866](https://github.com/preservim/nerdtree/pull/866)
-    - Fix issues with sorting of nodes (PhilRunninger) [#856](https://github.com/scrooloose/nerdtree/pull/856)
+    - Fix issues with sorting of nodes (PhilRunninger) [#856](https://github.com/preservim/nerdtree/pull/856)
-    - Better OSX detection (bubba-h57) [#853](https://github.com/scrooloose/nerdtree/pull/853)
+    - Better OSX detection (bubba-h57) [#853](https://github.com/preservim/nerdtree/pull/853)
-    - Bugfix - ensure keymaps dictionary exists before using it (mnussbaum) [#852](https://github.com/scrooloose/nerdtree/pull/852)
+    - Bugfix - ensure keymaps dictionary exists before using it (mnussbaum) [#852](https://github.com/preservim/nerdtree/pull/852)
-    - Decrease startup-time by avoiding linear-time iteration over key mappings (mnussbaum) [#851](https://github.com/scrooloose/nerdtree/pull/851)
+    - Decrease startup-time by avoiding linear-time iteration over key mappings (mnussbaum) [#851](https://github.com/preservim/nerdtree/pull/851)
-    - Add code to sort mappings in quickhelp (lifecrisis) [#849](https://github.com/scrooloose/nerdtree/pull/849)
+    - Add code to sort mappings in quickhelp (lifecrisis) [#849](https://github.com/preservim/nerdtree/pull/849)
-    - Use ":clearjumps" in new NERDTree windows (lifecrisis) [#844](https://github.com/scrooloose/nerdtree/pull/844)
+    - Use ":clearjumps" in new NERDTree windows (lifecrisis) [#844](https://github.com/preservim/nerdtree/pull/844)
-    - Like m-c did before, create parent directories if needed on m-m. (PhilRunninger) [#840](https://github.com/scrooloose/nerdtree/pull/840)
+    - Like m-c did before, create parent directories if needed on m-m. (PhilRunninger) [#840](https://github.com/preservim/nerdtree/pull/840)
-    - BUGFIX: Repair a problem with the `'u'` mapping. (lifecrisis) [#838](https://github.com/scrooloose/nerdtree/pull/838)
+    - BUGFIX: Repair a problem with the `'u'` mapping. (lifecrisis) [#838](https://github.com/preservim/nerdtree/pull/838)
-    - Make the NERDTree buffer writable when rendering it. (PhilRunninger) [#837](https://github.com/scrooloose/nerdtree/pull/837)
+    - Make the NERDTree buffer writable when rendering it. (PhilRunninger) [#837](https://github.com/preservim/nerdtree/pull/837)
-    - Code cleanup: Remove unsupported bookmark table mappings (lifecrisis) [#835](https://github.com/scrooloose/nerdtree/pull/835)
+    - Code cleanup: Remove unsupported bookmark table mappings (lifecrisis) [#835](https://github.com/preservim/nerdtree/pull/835)
-    - Replace strcharpart() with substitute() for backward compatibility (bravestarr) [#834](https://github.com/scrooloose/nerdtree/pull/834)
+    - Replace strcharpart() with substitute() for backward compatibility (bravestarr) [#834](https://github.com/preservim/nerdtree/pull/834)
-    - Fixed error `unknown function strcharpart` for older versions of Vim (hav4ik) [#833](https://github.com/scrooloose/nerdtree/pull/833)
+    - Fixed error `unknown function strcharpart` for older versions of Vim (hav4ik) [#833](https://github.com/preservim/nerdtree/pull/833)
-    - Clear output when NERDTree menu is aborted (lifecrisis) [#832](https://github.com/scrooloose/nerdtree/pull/832)
+    - Clear output when NERDTree menu is aborted (lifecrisis) [#832](https://github.com/preservim/nerdtree/pull/832)
-    - Display a path with multi-byte characters correctly when it is truncated (bravestarr) [#830](https://github.com/scrooloose/nerdtree/pull/830)
+    - Display a path with multi-byte characters correctly when it is truncated (bravestarr) [#830](https://github.com/preservim/nerdtree/pull/830)
-    - Support revealing file and executing file with xdg-open for Linux (ngnmhieu) [#824](https://github.com/scrooloose/nerdtree/pull/824)
+    - Support revealing file and executing file with xdg-open for Linux (ngnmhieu) [#824](https://github.com/preservim/nerdtree/pull/824)
-    - If node isn't open, count children on disk before deleting. (PhilRunninger) [#822](https://github.com/scrooloose/nerdtree/pull/822)
+    - If node isn't open, count children on disk before deleting. (PhilRunninger) [#822](https://github.com/preservim/nerdtree/pull/822)
-    - Add new variable g:NERDTreeRemoveFileCmd (kutsan) [#816](https://github.com/scrooloose/nerdtree/pull/816)
+    - Add new variable g:NERDTreeRemoveFileCmd (kutsan) [#816](https://github.com/preservim/nerdtree/pull/816)
-    - Use a better check for existence of the NERDTree buffer. (PhilRunninger) [#814](https://github.com/scrooloose/nerdtree/pull/814)
+    - Use a better check for existence of the NERDTree buffer. (PhilRunninger) [#814](https://github.com/preservim/nerdtree/pull/814)
-    - Fix focussing previous buffer when closing NERDTree (mrubli) [#801](https://github.com/scrooloose/nerdtree/pull/801)
+    - Fix focussing previous buffer when closing NERDTree (mrubli) [#801](https://github.com/preservim/nerdtree/pull/801)
-    - Update the docs for "NERDTreeStatusline" (lifecrisis) [#796](https://github.com/scrooloose/nerdtree/pull/796)
+    - Update the docs for "NERDTreeStatusline" (lifecrisis) [#796](https://github.com/preservim/nerdtree/pull/796)
-    - BUGFIX: Unstable behavior in the "getPath()" method (lifecrisis) [#795](https://github.com/scrooloose/nerdtree/pull/795)
+    - BUGFIX: Unstable behavior in the "getPath()" method (lifecrisis) [#795](https://github.com/preservim/nerdtree/pull/795)
-    - Revert the bugfix from pull request [#785](https://github.com/scrooloose/nerdtree/pull/785) (lifecrisis) [#794](https://github.com/scrooloose/nerdtree/pull/794)
+    - Revert the bugfix from pull request [#785](https://github.com/preservim/nerdtree/pull/785) (lifecrisis) [#794](https://github.com/preservim/nerdtree/pull/794)
-    - BUGFIX: Allow ":NERDTreeFind" to discover hidden files (lifecrisis) [#786](https://github.com/scrooloose/nerdtree/pull/786)
+    - BUGFIX: Allow ":NERDTreeFind" to discover hidden files (lifecrisis) [#786](https://github.com/preservim/nerdtree/pull/786)
-    - BUGFIX: Allow ":NERDTreeFind" to reveal new files (lifecrisis) [#785](https://github.com/scrooloose/nerdtree/pull/785)
+    - BUGFIX: Allow ":NERDTreeFind" to reveal new files (lifecrisis) [#785](https://github.com/preservim/nerdtree/pull/785)
-    - Add modelines (lifecrisis) [#782](https://github.com/scrooloose/nerdtree/pull/782)
+    - Add modelines (lifecrisis) [#782](https://github.com/preservim/nerdtree/pull/782)
-    - Change the type of completion used by NERDTreeFind (lifecrisis) [#781](https://github.com/scrooloose/nerdtree/pull/781)
+    - Change the type of completion used by NERDTreeFind (lifecrisis) [#781](https://github.com/preservim/nerdtree/pull/781)
-    - change NERDTreeFind with args (zhenyangze) [#778](https://github.com/scrooloose/nerdtree/pull/778)
+    - change NERDTreeFind with args (zhenyangze) [#778](https://github.com/preservim/nerdtree/pull/778)
-    - Style Choice: Using confirm() when deleting a bookmark (lifecrisis) [#777](https://github.com/scrooloose/nerdtree/pull/777)
+    - Style Choice: Using confirm() when deleting a bookmark (lifecrisis) [#777](https://github.com/preservim/nerdtree/pull/777)
-    - remove useless substitute when `file =~# "/$"` (skyblueee) [#773](https://github.com/scrooloose/nerdtree/pull/773)
+    - remove useless substitute when `file =~# "/$"` (skyblueee) [#773](https://github.com/preservim/nerdtree/pull/773)
-    - remove useless removeLeadingSpaces in _stripMarkup (skyblueee) [#772](https://github.com/scrooloose/nerdtree/pull/772)
+    - remove useless removeLeadingSpaces in _stripMarkup (skyblueee) [#772](https://github.com/preservim/nerdtree/pull/772)
-    - Make the "o" mapping consistent with "x" (lifecrisis) [#769](https://github.com/scrooloose/nerdtree/pull/769)
+    - Make the "o" mapping consistent with "x" (lifecrisis) [#769](https://github.com/preservim/nerdtree/pull/769)
-    - Fix a problem with the "x" handler (lifecrisis) [#768](https://github.com/scrooloose/nerdtree/pull/768)
+    - Fix a problem with the "x" handler (lifecrisis) [#768](https://github.com/preservim/nerdtree/pull/768)
-    - Clean up the handler for the "x" mapping (lifecrisis) [#767](https://github.com/scrooloose/nerdtree/pull/767)
+    - Clean up the handler for the "x" mapping (lifecrisis) [#767](https://github.com/preservim/nerdtree/pull/767)
-    - Revert change to tab opening method (lifecrisis) [#766](https://github.com/scrooloose/nerdtree/pull/766)
+    - Revert change to tab opening method (lifecrisis) [#766](https://github.com/preservim/nerdtree/pull/766)
-    - BUGFIX: Add back support for "b:NERDTreeRoot" (lifecrisis) [#765](https://github.com/scrooloose/nerdtree/pull/765)
+    - BUGFIX: Add back support for "b:NERDTreeRoot" (lifecrisis) [#765](https://github.com/preservim/nerdtree/pull/765)
-    - Fix broken "t" and "T" mappings, tabs now open at end (lifecrisis) [#759](https://github.com/scrooloose/nerdtree/pull/759)
+    - Fix broken "t" and "T" mappings, tabs now open at end (lifecrisis) [#759](https://github.com/preservim/nerdtree/pull/759)
-    - Update doc with already existing mapping variables (asnr) [#699](https://github.com/scrooloose/nerdtree/pull/699)
+    - Update doc with already existing mapping variables (asnr) [#699](https://github.com/preservim/nerdtree/pull/699)
-    - Fix the broken g:NERDTreeBookmarksSort setting (lifecrisis) [#696](https://github.com/scrooloose/nerdtree/pull/696)
+    - Fix the broken g:NERDTreeBookmarksSort setting (lifecrisis) [#696](https://github.com/preservim/nerdtree/pull/696)
-    - Correct NERDTreeIgnore pattern in doc (cntoplolicon) [#648](https://github.com/scrooloose/nerdtree/pull/648)
+    - Correct NERDTreeIgnore pattern in doc (cntoplolicon) [#648](https://github.com/preservim/nerdtree/pull/648)
-    - Remove empty segments when splitting path (sooth-sayer) [#574](https://github.com/scrooloose/nerdtree/pull/574)
+    - Remove empty segments when splitting path (sooth-sayer) [#574](https://github.com/preservim/nerdtree/pull/574)
-    - Suppress autocmds less agressively (wincent) [#578](https://github.com/scrooloose/nerdtree/pull/578) [#691](https://github.com/scrooloose/nerdtree/pull/691)
+    - Suppress autocmds less agressively (wincent) [#578](https://github.com/preservim/nerdtree/pull/578) [#691](https://github.com/preservim/nerdtree/pull/691)
     - Add an Issues template to ask for more info initially.
-    - Fix markdown headers in readme (josephfrazier) [#676](https://github.com/scrooloose/nerdtree/pull/676)
+    - Fix markdown headers in readme (josephfrazier) [#676](https://github.com/preservim/nerdtree/pull/676)
     - Don't touch `@o` and `@h` registers when rendering
-    - Fix bug with files and directories with dollar signs (alegen) [#649](https://github.com/scrooloose/nerdtree/pull/649)
+    - Fix bug with files and directories with dollar signs (alegen) [#649](https://github.com/preservim/nerdtree/pull/649)
-    - Reuse/reopen existing window trees where possible [#244](https://github.com/scrooloose/nerdtree/pull/244)
+    - Reuse/reopen existing window trees where possible [#244](https://github.com/preservim/nerdtree/pull/244)
     - Remove NERDTree.previousBuf()
-    - Change color of arrow (Leeiio) [#630](https://github.com/scrooloose/nerdtree/pull/630)
+    - Change color of arrow (Leeiio) [#630](https://github.com/preservim/nerdtree/pull/630)
-    - Improved a tip in README.markdown (ggicci) [#628](https://github.com/scrooloose/nerdtree/pull/628)
+    - Improved a tip in README.markdown (ggicci) [#628](https://github.com/preservim/nerdtree/pull/628)
-    - Shorten delete confimration of empty directory to `y` (mikeperri) [#530](https://github.com/scrooloose/nerdtree/pull/530)
+    - Shorten delete confimration of empty directory to `y` (mikeperri) [#530](https://github.com/preservim/nerdtree/pull/530)
-    - Fix API call to open directory tree in window (devm33) [#533](https://github.com/scrooloose/nerdtree/pull/533)
+    - Fix API call to open directory tree in window (devm33) [#533](https://github.com/preservim/nerdtree/pull/533)
-    - Change default arrows on non-Windows platforms (gwilk) [#546](https://github.com/scrooloose/nerdtree/pull/546)
+    - Change default arrows on non-Windows platforms (gwilk) [#546](https://github.com/preservim/nerdtree/pull/546)
-    - Update to README - combine cd and git clone (zwhitchcox) [#584](https://github.com/scrooloose/nerdtree/pull/584)
+    - Update to README - combine cd and git clone (zwhitchcox) [#584](https://github.com/preservim/nerdtree/pull/584)
-    - Update to README - Tip: start NERDTree when vim starts (therealplato) [#593](https://github.com/scrooloose/nerdtree/pull/593)
+    - Update to README - Tip: start NERDTree when vim starts (therealplato) [#593](https://github.com/preservim/nerdtree/pull/593)
-    - Escape filename when moving an open buffer (zacharyvoase) [#595](https://github.com/scrooloose/nerdtree/pull/595)
+    - Escape filename when moving an open buffer (zacharyvoase) [#595](https://github.com/preservim/nerdtree/pull/595)
-    - Fixed incorrect :helptags command in README (curran) [#619](https://github.com/scrooloose/nerdtree/pull/619)
+    - Fixed incorrect :helptags command in README (curran) [#619](https://github.com/preservim/nerdtree/pull/619)
-    - Fixed incomplete escaping of folder arrows (adityanatraj) [#548](https://github.com/scrooloose/nerdtree/pull/548)
+    - Fixed incomplete escaping of folder arrows (adityanatraj) [#548](https://github.com/preservim/nerdtree/pull/548)
-    - Added NERDTreeCascadeSingleChildDir option (juanibiapina) [#558](https://github.com/scrooloose/nerdtree/pull/558)
+    - Added NERDTreeCascadeSingleChildDir option (juanibiapina) [#558](https://github.com/preservim/nerdtree/pull/558)
     - Replace strchars() with backward compatible workaround.
-    - Add support for copy command in Windows (SkylerLipthay) [#231](https://github.com/scrooloose/nerdtree/pull/231)
+    - Add support for copy command in Windows (SkylerLipthay) [#231](https://github.com/preservim/nerdtree/pull/231)
     - Fixed typo in README.markdown - :Helptags -> :helptags
     - Rename "primary" and "secondary" trees to "tab" and "window" trees.
     - Move a bunch of buffer level variables into the NERDTree and UI classes.

sources_non_forked/nerdtree/README.markdown

@@ -1,4 +1,4 @@
-The NERDTree
+The NERDTree [![Vint](https://github.com/preservim/nerdtree/workflows/Vint/badge.svg)](https://github.com/preservim/nerdtree/actions?workflow=Vint)
 =============
 
 Introduction
@@ -12,7 +12,7 @@ This plugin can also be extended with custom mappings using a special API. The
 details of this API and of other NERDTree features are described in the
 included documentation.
 
-![NERDTree Screenshot](https://github.com/scrooloose/nerdtree/raw/master/screenshot.png)
+![NERDTree Screenshot](https://github.com/preservim/nerdtree/raw/master/screenshot.png)
 
 Installation
 ------------
@@ -24,7 +24,7 @@ Below are just some of the methods for installing NERDTree. Do not follow all of
 If you are using VIM version 8 or higher you can use its built-in package management; see `:help packages` for more information. Just run these commands in your terminal:
 
 ```bash
-git clone https://github.com/scrooloose/nerdtree.git ~/.vim/pack/vendor/start/nerdtree
+git clone https://github.com/preservim/nerdtree.git ~/.vim/pack/vendor/start/nerdtree
 vim -u NONE -c "helptags ~/.vim/pack/vendor/start/nerdtree/doc" -c q
 ```
 
@@ -34,7 +34,7 @@ Otherwise, these are some of the several 3rd-party plugin managers you can choos
 
 In the terminal,
 ```bash
-git clone https://github.com/scrooloose/nerdtree.git ~/.vim/bundle/nerdtree
+git clone https://github.com/preservim/nerdtree.git ~/.vim/bundle/nerdtree
 ```
 In your vimrc,
 ```vim
@@ -48,23 +48,23 @@ Then reload vim, run `:helptags ~/.vim/bundle/nerdtree/doc/` or `:Helptags`.
 #### [Vundle.vim](https://github.com/VundleVim/Vundle.vim)
 ```vim
 call vundle#begin()
-Plugin 'scrooloose/nerdtree'
+Plugin 'preservim/nerdtree'
 call vundle#end()
 ```
 
 #### [vim-plug](https://github.com/junegunn/vim-plug)
 ```vim
 call plug#begin()
-Plug 'scrooloose/nerdtree'
+Plug 'preservim/nerdtree'
 call plug#end()
 ```
 
 #### [apt-vim](https://github.com/egalpin/apt-vim)
 ```bash
-apt-vim install -y https://github.com/scrooloose/nerdtree.git
+apt-vim install -y https://github.com/preservim/nerdtree.git
 ```
 
-F.A.Q. (here, and in the [Wiki](https://github.com/scrooloose/nerdtree/wiki))
+F.A.Q. (here, and in the [Wiki](https://github.com/preservim/nerdtree/wiki))
 ------
 
 #### Is there any support for `git` flags?
@@ -133,7 +133,7 @@ autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isT
 ---
 #### Can I have different highlighting for different file extensions?
 
-See here: https://github.com/scrooloose/nerdtree/issues/433#issuecomment-92590696
+See here: https://github.com/preservim/nerdtree/issues/433#issuecomment-92590696
 
 ---
 #### How can I change default arrows?

sources_non_forked/nerdtree/_config.yml

@@ -0,0 +1 @@
+theme: jekyll-theme-cayman

sources_non_forked/nerdtree/autoload/nerdtree.vim

@@ -1,21 +1,21 @@
-if exists("g:loaded_nerdtree_autoload")
+if exists('g:loaded_nerdtree_autoload')
     finish
 endif
 let g:loaded_nerdtree_autoload = 1
 
-let s:rootNERDTreePath = resolve(expand("<sfile>:p:h:h"))
+let s:rootNERDTreePath = resolve(expand('<sfile>:p:h:h'))
 
 "FUNCTION: nerdtree#version(...) {{{1
 "  If any value is given as an argument, the entire line of text from the
 "  change log is shown for the current version; otherwise, only the version
 "  number is shown.
-function! nerdtree#version(...)
+function! nerdtree#version(...) abort
     let l:text = 'Unknown'
     try
-        let l:changelog = readfile(join([s:rootNERDTreePath, "CHANGELOG.md"], nerdtree#slash()))
+        let l:changelog = readfile(join([s:rootNERDTreePath, 'CHANGELOG.md'], nerdtree#slash()))
         let l:line = 0
         while l:line <= len(l:changelog)
-            if l:changelog[l:line] =~ '\d\+\.\d\+'
+            if l:changelog[l:line] =~# '\d\+\.\d\+'
                 let l:text = substitute(l:changelog[l:line], '.*\(\d\+.\d\+\).*', '\1', '')
                 let l:text .= substitute(l:changelog[l:line+1], '^.\{-}\(\.\d\+\).\{-}:\(.*\)', a:0>0 ? '\1:\2' : '\1', '')
                 break
@@ -31,7 +31,7 @@ endfunction
 "============================================================
 
 "FUNCTION: nerdtree#slash() {{{2
-function! nerdtree#slash()
+function! nerdtree#slash() abort
 
     if nerdtree#runningWindows()
         if exists('+shellslash') && &shellslash
@@ -46,8 +46,8 @@ endfunction
 
 "FUNCTION: nerdtree#and(x,y) {{{2
 " Implements and() function for Vim <= 7.2
-function! nerdtree#and(x,y)
+function! nerdtree#and(x,y) abort
-    if exists("*and")
+    if exists('*and')
         return and(a:x, a:y)
     else
         let l:x = a:x
@@ -68,7 +68,7 @@ endfunction
 
 "FUNCTION: nerdtree#checkForBrowse(dir) {{{2
 "inits a window tree in the current buffer if appropriate
-function! nerdtree#checkForBrowse(dir)
+function! nerdtree#checkForBrowse(dir) abort
     if !isdirectory(a:dir)
         return
     endif
@@ -83,18 +83,18 @@ endfunction
 "FUNCTION: s:reuseWin(dir) {{{2
 "finds a NERDTree buffer with root of dir, and opens it.
 function! s:reuseWin(dir) abort
-    let path = g:NERDTreePath.New(fnamemodify(a:dir, ":p"))
+    let path = g:NERDTreePath.New(fnamemodify(a:dir, ':p'))
 
-    for i in range(1, bufnr("$"))
+    for i in range(1, bufnr('$'))
         unlet! nt
-        let nt = getbufvar(i, "NERDTree")
+        let nt = getbufvar(i, 'NERDTree')
         if empty(nt)
             continue
         endif
 
         if nt.isWinTree() && nt.root.path.equals(path)
-            call nt.setPreviousBuf(bufnr("#"))
+            call nt.setPreviousBuf(bufnr('#'))
-            exec "buffer " . i
+            exec 'buffer ' . i
             return 1
         endif
     endfor
@@ -104,17 +104,17 @@ endfunction
 
 " FUNCTION: nerdtree#completeBookmarks(A,L,P) {{{2
 " completion function for the bookmark commands
-function! nerdtree#completeBookmarks(A,L,P)
+function! nerdtree#completeBookmarks(A,L,P) abort
     return filter(g:NERDTreeBookmark.BookmarkNames(), 'v:val =~# "^' . a:A . '"')
 endfunction
 
 "FUNCTION: nerdtree#compareNodes(dir) {{{2
-function! nerdtree#compareNodes(n1, n2)
+function! nerdtree#compareNodes(n1, n2) abort
     return a:n1.path.compareTo(a:n2.path)
 endfunction
 
 "FUNCTION: nerdtree#compareNodesBySortKey(n1, n2) {{{2
-function! nerdtree#compareNodesBySortKey(n1, n2)
+function! nerdtree#compareNodesBySortKey(n1, n2) abort
     let sortKey1 = a:n1.path.getSortKey()
     let sortKey2 = a:n2.path.getSortKey()
     let i = 0
@@ -122,15 +122,15 @@ function! nerdtree#compareNodesBySortKey(n1, n2)
         " Compare chunks upto common length.
         " If chunks have different type, the one which has
         " integer type is the lesser.
-        if type(sortKey1[i]) == type(sortKey2[i])
+        if type(sortKey1[i]) ==# type(sortKey2[i])
             if sortKey1[i] <# sortKey2[i]
                 return - 1
             elseif sortKey1[i] ># sortKey2[i]
                 return 1
             endif
-        elseif type(sortKey1[i]) == v:t_number
+        elseif type(sortKey1[i]) ==# v:t_number
             return -1
-        elseif type(sortKey2[i]) == v:t_number
+        elseif type(sortKey2[i]) ==# v:t_number
             return 1
         endif
         let i = i + 1
@@ -150,7 +150,7 @@ endfunction
 " FUNCTION: nerdtree#deprecated(func, [msg]) {{{2
 " Issue a deprecation warning for a:func. If a second arg is given, use this
 " as the deprecation message
-function! nerdtree#deprecated(func, ...)
+function! nerdtree#deprecated(func, ...) abort
     let msg = a:0 ? a:func . ' ' . a:1 : a:func . ' is deprecated'
 
     if !exists('s:deprecationWarnings')
@@ -164,22 +164,22 @@ endfunction
 
 " FUNCTION: nerdtree#exec(cmd, ignoreAll) {{{2
 " Same as :exec cmd but, if ignoreAll is TRUE, set eventignore=all for the duration
-function! nerdtree#exec(cmd, ignoreAll)
+function! nerdtree#exec(cmd, ignoreAll) abort
-    let old_ei = &ei
+    let old_ei = &eventignore
     if a:ignoreAll
-        set ei=all
+        set eventignore=all
     endif
     exec a:cmd
-    let &ei = old_ei
+    let &eventignore = old_ei
 endfunction
 
 " FUNCTION: nerdtree#has_opt(options, name) {{{2
-function! nerdtree#has_opt(options, name)
+function! nerdtree#has_opt(options, name) abort
-    return has_key(a:options, a:name) && a:options[a:name] == 1
+    return has_key(a:options, a:name) && a:options[a:name] ==# 1
 endfunction
 
 " FUNCTION: nerdtree#loadClassFiles() {{{2
-function! nerdtree#loadClassFiles()
+function! nerdtree#loadClassFiles() abort
     runtime lib/nerdtree/path.vim
     runtime lib/nerdtree/menu_controller.vim
     runtime lib/nerdtree/menu_item.vim
@@ -197,7 +197,7 @@ function! nerdtree#loadClassFiles()
 endfunction
 
 " FUNCTION: nerdtree#postSourceActions() {{{2
-function! nerdtree#postSourceActions()
+function! nerdtree#postSourceActions() abort
     call g:NERDTreeBookmark.CacheBookmarks(1)
     call nerdtree#ui_glue#createDefaultBindings()
 
@@ -206,13 +206,13 @@ function! nerdtree#postSourceActions()
 endfunction
 
 "FUNCTION: nerdtree#runningWindows(dir) {{{2
-function! nerdtree#runningWindows()
+function! nerdtree#runningWindows() abort
-    return has("win16") || has("win32") || has("win64")
+    return has('win16') || has('win32') || has('win64')
 endfunction
 
 "FUNCTION: nerdtree#runningCygwin(dir) {{{2
-function! nerdtree#runningCygwin()
+function! nerdtree#runningCygwin() abort
-    return has("win32unix")
+    return has('win32unix')
 endfunction
 
 " SECTION: View Functions {{{1
@@ -223,16 +223,16 @@ endfunction
 "
 "Args:
 "msg: the message to echo
-function! nerdtree#echo(msg)
+function! nerdtree#echo(msg) abort
     redraw
-    echomsg empty(a:msg) ? "" : ("NERDTree: " . a:msg)
+    echomsg empty(a:msg) ? '' : ('NERDTree: ' . a:msg)
 endfunction
 
 "FUNCTION: nerdtree#echoError {{{2
 "Wrapper for nerdtree#echo, sets the message type to errormsg for this message
 "Args:
 "msg: the message to echo
-function! nerdtree#echoError(msg)
+function! nerdtree#echoError(msg) abort
     echohl errormsg
     call nerdtree#echo(a:msg)
     echohl normal
@@ -242,14 +242,14 @@ endfunction
 "Wrapper for nerdtree#echo, sets the message type to warningmsg for this message
 "Args:
 "msg: the message to echo
-function! nerdtree#echoWarning(msg)
+function! nerdtree#echoWarning(msg) abort
     echohl warningmsg
     call nerdtree#echo(a:msg)
     echohl normal
 endfunction
 
 "FUNCTION: nerdtree#renderView {{{2
-function! nerdtree#renderView()
+function! nerdtree#renderView() abort
     call b:NERDTree.render()
 endfunction
 

sources_non_forked/nerdtree/autoload/nerdtree/ui_glue.vim

@@ -1,80 +1,80 @@
-if exists("g:loaded_nerdtree_ui_glue_autoload")
+if exists('g:loaded_nerdtree_ui_glue_autoload')
     finish
 endif
 let g:loaded_nerdtree_ui_glue_autoload = 1
 
 " FUNCTION: nerdtree#ui_glue#createDefaultBindings() {{{1
-function! nerdtree#ui_glue#createDefaultBindings()
+function! nerdtree#ui_glue#createDefaultBindings() abort
     let s = '<SNR>' . s:SID() . '_'
 
     call NERDTreeAddKeyMap({ 'key': '<MiddleMouse>', 'scope': 'all', 'callback': s . 'handleMiddleMouse' })
-    call NERDTreeAddKeyMap({ 'key': '<LeftRelease>', 'scope': "all", 'callback': s."handleLeftClick" })
+    call NERDTreeAddKeyMap({ 'key': '<LeftRelease>', 'scope': 'all', 'callback': s.'handleLeftClick' })
-    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': "DirNode", 'callback': s."activateDirNode" })
+    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': 'DirNode', 'callback': s.'activateDirNode' })
-    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': "FileNode", 'callback': s."activateFileNode" })
+    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': 'FileNode', 'callback': s.'activateFileNode' })
-    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': "Bookmark", 'callback': s."activateBookmark" })
+    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': 'Bookmark', 'callback': s.'activateBookmark' })
-    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': "all", 'callback': s."activateAll" })
+    call NERDTreeAddKeyMap({ 'key': '<2-LeftMouse>', 'scope': 'all', 'callback': s.'activateAll' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'FileNode', 'callback': s."customOpenFile"})
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'FileNode', 'callback': s.'customOpenFile'})
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'DirNode', 'callback': s."customOpenDir"})
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'DirNode', 'callback': s.'customOpenDir'})
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'Bookmark', 'callback': s."customOpenBookmark"})
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'Bookmark', 'callback': s.'customOpenBookmark'})
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'all', 'callback': s."activateAll" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCustomOpen, 'scope':'all', 'callback': s.'activateAll' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': "DirNode", 'callback': s."activateDirNode" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': 'DirNode', 'callback': s.'activateDirNode' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': "FileNode", 'callback': s."activateFileNode" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': 'FileNode', 'callback': s.'activateFileNode' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': "Bookmark", 'callback': s."activateBookmark" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': 'Bookmark', 'callback': s.'activateBookmark' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': "Bookmark", 'callback': s."previewBookmark" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': 'Bookmark', 'callback': s.'previewBookmark' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': "all", 'callback': s."activateAll" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': 'all', 'callback': s.'activateAll' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenSplit, 'scope': "Node", 'callback': s."openHSplit" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenSplit, 'scope': 'Node', 'callback': s.'openHSplit' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenVSplit, 'scope': "Node", 'callback': s."openVSplit" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenVSplit, 'scope': 'Node', 'callback': s.'openVSplit' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': "Node", 'callback': s."previewNodeCurrent" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': 'Node', 'callback': s.'previewNodeCurrent' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewVSplit, 'scope': "Node", 'callback': s."previewNodeVSplit" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewVSplit, 'scope': 'Node', 'callback': s.'previewNodeVSplit' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewSplit, 'scope': "Node", 'callback': s."previewNodeHSplit" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewSplit, 'scope': 'Node', 'callback': s.'previewNodeHSplit' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenRecursively, 'scope': "DirNode", 'callback': s."openNodeRecursively" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenRecursively, 'scope': 'DirNode', 'callback': s.'openNodeRecursively' })
 
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapUpdir, 'scope': 'all', 'callback': s . 'upDirCurrentRootClosed' })
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapUpdirKeepOpen, 'scope': 'all', 'callback': s . 'upDirCurrentRootOpen' })
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapChangeRoot, 'scope': 'Node', 'callback': s . 'chRoot' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapChdir, 'scope': "Node", 'callback': s."chCwd" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapChdir, 'scope': 'Node', 'callback': s.'chCwd' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapQuit, 'scope': "all", 'callback': s."closeTreeWindow" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapQuit, 'scope': 'all', 'callback': s.'closeTreeWindow' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCWD, 'scope': "all", 'callback': "nerdtree#ui_glue#chRootCwd" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCWD, 'scope': 'all', 'callback': 'nerdtree#ui_glue#chRootCwd' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapRefreshRoot, 'scope': "all", 'callback': s."refreshRoot" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapRefreshRoot, 'scope': 'all', 'callback': s.'refreshRoot' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapRefresh, 'scope': "Node", 'callback': s."refreshCurrent" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapRefresh, 'scope': 'Node', 'callback': s.'refreshCurrent' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapHelp, 'scope': "all", 'callback': s."displayHelp" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapHelp, 'scope': 'all', 'callback': s.'displayHelp' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleZoom, 'scope': "all", 'callback': s."toggleZoom" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleZoom, 'scope': 'all', 'callback': s.'toggleZoom' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleHidden, 'scope': "all", 'callback': s."toggleShowHidden" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleHidden, 'scope': 'all', 'callback': s.'toggleShowHidden' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFilters, 'scope': "all", 'callback': s."toggleIgnoreFilter" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFilters, 'scope': 'all', 'callback': s.'toggleIgnoreFilter' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFiles, 'scope': "all", 'callback': s."toggleShowFiles" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFiles, 'scope': 'all', 'callback': s.'toggleShowFiles' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleBookmarks, 'scope': "all", 'callback': s."toggleShowBookmarks" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleBookmarks, 'scope': 'all', 'callback': s.'toggleShowBookmarks' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCloseDir, 'scope': "Node", 'callback': s."closeCurrentDir" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCloseDir, 'scope': 'Node', 'callback': s.'closeCurrentDir' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCloseChildren, 'scope': "DirNode", 'callback': s."closeChildren" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCloseChildren, 'scope': 'DirNode', 'callback': s.'closeChildren' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapMenu, 'scope': "Node", 'callback': s."showMenu" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapMenu, 'scope': 'Node', 'callback': s.'showMenu' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpParent, 'scope': "Node", 'callback': s."jumpToParent" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpParent, 'scope': 'Node', 'callback': s.'jumpToParent' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpFirstChild, 'scope': "Node", 'callback': s."jumpToFirstChild" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpFirstChild, 'scope': 'Node', 'callback': s.'jumpToFirstChild' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpLastChild, 'scope': "Node", 'callback': s."jumpToLastChild" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpLastChild, 'scope': 'Node', 'callback': s.'jumpToLastChild' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpRoot, 'scope': "all", 'callback': s."jumpToRoot" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpRoot, 'scope': 'all', 'callback': s.'jumpToRoot' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpNextSibling, 'scope': "Node", 'callback': s."jumpToNextSibling" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpNextSibling, 'scope': 'Node', 'callback': s.'jumpToNextSibling' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpPrevSibling, 'scope': "Node", 'callback': s."jumpToPrevSibling" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapJumpPrevSibling, 'scope': 'Node', 'callback': s.'jumpToPrevSibling' })
 
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenInTab, 'scope': 'Node', 'callback': s . 'openInNewTab' })
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenInTabSilent, 'scope': 'Node', 'callback': s . 'openInNewTabSilent' })
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenInTab, 'scope': 'Bookmark', 'callback': s . 'openInNewTab' })
     call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenInTabSilent, 'scope': 'Bookmark', 'callback': s . 'openInNewTabSilent' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenExpl, 'scope': "DirNode", 'callback': s."openExplorer" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenExpl, 'scope': 'DirNode', 'callback': s.'openExplorer' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenExpl, 'scope': "FileNode", 'callback': s."openExplorer" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenExpl, 'scope': 'FileNode', 'callback': s.'openExplorer' })
 
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapDeleteBookmark, 'scope': "Bookmark", 'callback': s."deleteBookmark" })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapDeleteBookmark, 'scope': 'Bookmark', 'callback': s.'deleteBookmark' })
 endfunction
 
 
@@ -82,20 +82,20 @@ endfunction
 "============================================================
 
 "FUNCTION: s:customOpenFile() {{{1
-" Open file node with the "custom" key, initially <CR>.
+" Open file node with the 'custom' key, initially <CR>.
-function! s:customOpenFile(node)
+function! s:customOpenFile(node) abort
     call a:node.activate(s:initCustomOpenArgs().file)
 endfunction
 
 "FUNCTION: s:customOpenDir() {{{1
-" Open directory node with the "custom" key, initially <CR>.
+" Open directory node with the 'custom' key, initially <CR>.
-function! s:customOpenDir(node)
+function! s:customOpenDir(node) abort
     call s:activateDirNode(a:node, s:initCustomOpenArgs().dir)
 endfunction
 
 "FUNCTION: s:customOpenBookmark() {{{1
-" Open bookmark node with the "custom" key, initially <CR>.
+" Open bookmark node with the 'custom' key, initially <CR>.
-function! s:customOpenBookmark(node)
+function! s:customOpenBookmark(node) abort
     if a:node.path.isDirectory
         call a:node.activate(b:NERDTree, s:initCustomOpenArgs().dir)
     else
@@ -105,22 +105,22 @@ endfunction
 
 "FUNCTION: s:initCustomOpenArgs() {{{1
 " Make sure NERDTreeCustomOpenArgs has needed keys
-function! s:initCustomOpenArgs()
+function! s:initCustomOpenArgs() abort
     let g:NERDTreeCustomOpenArgs = get(g:, 'NERDTreeCustomOpenArgs', {})
     return extend(g:NERDTreeCustomOpenArgs, {'file':{'reuse': 'all', 'where': 'p'}, 'dir':{}}, 'keep')
 endfunction
 
 "FUNCTION: s:activateAll() {{{1
 "handle the user activating the updir line
-function! s:activateAll()
+function! s:activateAll() abort
-    if getline(".") ==# g:NERDTreeUI.UpDirLine()
+    if getline('.') ==# g:NERDTreeUI.UpDirLine()
         return nerdtree#ui_glue#upDir(0)
     endif
 endfunction
 
 " FUNCTION: s:activateDirNode(directoryNode, options) {{{1
 " Open a directory with optional options
-function! s:activateDirNode(directoryNode, ...)
+function! s:activateDirNode(directoryNode, ...) abort
 
     if a:directoryNode.isRoot() && a:directoryNode.isOpen
         call nerdtree#echo('cannot close tree root')
@@ -132,21 +132,21 @@ endfunction
 
 "FUNCTION: s:activateFileNode() {{{1
 "handle the user activating a tree node
-function! s:activateFileNode(node)
+function! s:activateFileNode(node) abort
     call a:node.activate({'reuse': 'all', 'where': 'p'})
 endfunction
 
 "FUNCTION: s:activateBookmark(bookmark) {{{1
 "handle the user activating a bookmark
-function! s:activateBookmark(bm)
+function! s:activateBookmark(bm) abort
     call a:bm.activate(b:NERDTree, !a:bm.path.isDirectory ? {'where': 'p'} : {})
 endfunction
 
 " FUNCTION: nerdtree#ui_glue#bookmarkNode(name) {{{1
 " Associate the current node with the given name
-function! nerdtree#ui_glue#bookmarkNode(...)
+function! nerdtree#ui_glue#bookmarkNode(...) abort
     let currentNode = g:NERDTreeFileNode.GetSelected()
-    if currentNode != {}
+    if currentNode !=# {}
         let name = a:1
         if empty(name)
             let name = currentNode.path.getLastPathComponent(0)
@@ -155,39 +155,39 @@ function! nerdtree#ui_glue#bookmarkNode(...)
             call currentNode.bookmark(name)
             call b:NERDTree.render()
         catch /^NERDTree.IllegalBookmarkNameError/
-            call nerdtree#echo("bookmark names must not contain spaces")
+            call nerdtree#echo('bookmark names must not contain spaces')
         endtry
     else
-        call nerdtree#echo("select a node first")
+        call nerdtree#echo('select a node first')
     endif
 endfunction
 
 " FUNCTION: s:chCwd(node) {{{1
-function! s:chCwd(node)
+function! s:chCwd(node) abort
     try
         call a:node.path.changeToDir()
     catch /^NERDTree.PathChangeError/
-        call nerdtree#echoWarning("could not change cwd")
+        call nerdtree#echoWarning('could not change cwd')
     endtry
 endfunction
 
 " FUNCTION: s:chRoot(node) {{{1
 " changes the current root to the selected one
-function! s:chRoot(node)
+function! s:chRoot(node) abort
     call b:NERDTree.changeRoot(a:node)
 endfunction
 
 " FUNCTION: s:nerdtree#ui_glue#chRootCwd() {{{1
 " Change the NERDTree root to match the current working directory.
-function! nerdtree#ui_glue#chRootCwd()
+function! nerdtree#ui_glue#chRootCwd() abort
     NERDTreeCWD
 endfunction
 
 " FUNCTION: nnerdtree#ui_glue#clearBookmarks(bookmarks) {{{1
-function! nerdtree#ui_glue#clearBookmarks(bookmarks)
+function! nerdtree#ui_glue#clearBookmarks(bookmarks) abort
     if a:bookmarks ==# ''
         let currentNode = g:NERDTreeFileNode.GetSelected()
-        if currentNode != {}
+        if currentNode !=# {}
             call currentNode.clearBookmarks()
         endif
     else
@@ -202,7 +202,7 @@ endfunction
 
 " FUNCTION: s:closeChildren(node) {{{1
 " closes all childnodes of the current node
-function! s:closeChildren(node)
+function! s:closeChildren(node) abort
     call a:node.closeChildren()
     call b:NERDTree.render()
     call a:node.putCursorHere(0, 0)
@@ -210,7 +210,7 @@ endfunction
 
 " FUNCTION: s:closeCurrentDir(node) {{{1
 " Close the parent directory of the current node.
-function! s:closeCurrentDir(node)
+function! s:closeCurrentDir(node) abort
 
     if a:node.isRoot()
         call nerdtree#echo('cannot close parent of tree root')
@@ -235,30 +235,30 @@ endfunction
 
 " FUNCTION: s:closeTreeWindow() {{{1
 " close the tree window
-function! s:closeTreeWindow()
+function! s:closeTreeWindow() abort
-    if b:NERDTree.isWinTree() && b:NERDTree.previousBuf() != -1
+    if b:NERDTree.isWinTree() && b:NERDTree.previousBuf() !=# -1
-        exec "buffer " . b:NERDTree.previousBuf()
+        exec 'buffer ' . b:NERDTree.previousBuf()
     else
-        if winnr("$") > 1
+        if winnr('$') > 1
             call g:NERDTree.Close()
         else
-            call nerdtree#echo("Cannot close last window")
+            call nerdtree#echo('Cannot close last window')
         endif
     endif
 endfunction
 
 " FUNCTION: s:deleteBookmark(bookmark) {{{1
 " Prompt the user to confirm the deletion of the selected bookmark.
-function! s:deleteBookmark(bookmark)
+function! s:deleteBookmark(bookmark) abort
-    let l:message = "Delete the bookmark \"" . a:bookmark.name
+    let l:message = 'Delete the bookmark "' . a:bookmark.name
-                \ . "\" from the bookmark list?"
+                \ . '" from the bookmark list?'
 
     let l:choices = "&Yes\n&No"
 
     echo | redraw
     let l:selection = confirm(l:message, l:choices, 1, 'Warning')
 
-    if l:selection != 1
+    if l:selection !=# 1
         call nerdtree#echo('bookmark not deleted')
         return
     endif
@@ -275,14 +275,14 @@ endfunction
 
 " FUNCTION: s:displayHelp() {{{1
 " toggles the help display
-function! s:displayHelp()
+function! s:displayHelp() abort
     call b:NERDTree.ui.toggleHelp()
     call b:NERDTree.render()
     call b:NERDTree.ui.centerView()
 endfunction
 
 " FUNCTION: s:findAndRevealPath(pathStr) {{{1
-function! s:findAndRevealPath(pathStr)
+function! s:findAndRevealPath(pathStr) abort
     let l:pathStr = !empty(a:pathStr) ? a:pathStr : expand('%:p')
     if !filereadable(l:pathStr)
         let l:pathStr = fnamemodify(l:pathStr, ':h')
@@ -333,15 +333,15 @@ endfunction
 
 "FUNCTION: s:handleLeftClick() {{{1
 "Checks if the click should open the current node
-function! s:handleLeftClick()
+function! s:handleLeftClick() abort
     let currentNode = g:NERDTreeFileNode.GetSelected()
-    if currentNode != {}
+    if currentNode !=# {}
 
         "the dir arrows are multibyte chars, and vim's string functions only
         "deal with single bytes - so split the line up with the hack below and
         "take the line substring manually
-        let line = split(getline(line(".")), '\zs')
+        let line = split(getline(line('.')), '\zs')
-        let startToCur = ""
+        let startToCur = ''
         for i in range(0,len(line)-1)
             let startToCur .= line[i]
         endfor
@@ -368,7 +368,7 @@ function! s:handleLeftClick()
 endfunction
 
 " FUNCTION: s:handleMiddleMouse() {{{1
-function! s:handleMiddleMouse()
+function! s:handleMiddleMouse() abort
 
     " A middle mouse click does not automatically position the cursor as one
     " would expect. Forcing the execution of a regular left mouse click here
@@ -391,17 +391,17 @@ endfunction
 " FUNCTION: nerdtree#ui_glue#invokeKeyMap(key) {{{1
 "this is needed since I cant figure out how to invoke dict functions from a
 "key map
-function! nerdtree#ui_glue#invokeKeyMap(key)
+function! nerdtree#ui_glue#invokeKeyMap(key) abort
     call g:NERDTreeKeyMap.Invoke(a:key)
 endfunction
 
 " FUNCTION: s:jumpToFirstChild(node) {{{1
-function! s:jumpToFirstChild(node)
+function! s:jumpToFirstChild(node) abort
     call s:jumpToChild(a:node, 0)
 endfunction
 
 " FUNCTION: s:jumpToLastChild(node) {{{1
-function! s:jumpToLastChild(node)
+function! s:jumpToLastChild(node) abort
     call s:jumpToChild(a:node, 1)
 endfunction
 
@@ -411,7 +411,7 @@ endfunction
 " Args:
 " node: the node on which the cursor currently sits
 " last: 1 (true) if jumping to last child, 0 (false) if jumping to first
-function! s:jumpToChild(node, last)
+function! s:jumpToChild(node, last) abort
     let l:node = a:node.path.isDirectory ? a:node.getCascadeRoot() : a:node
 
     if l:node.isRoot()
@@ -430,7 +430,7 @@ endfunction
 " FUNCTION: s:jumpToParent(node) {{{1
 " Move the cursor to the parent of the specified node.  For a cascade, move to
 " the parent of the cascade's first node.  At the root node, do nothing.
-function! s:jumpToParent(node)
+function! s:jumpToParent(node) abort
     let l:node = a:node.path.isDirectory ? a:node.getCascadeRoot() : a:node
 
     if l:node.isRoot()
@@ -448,18 +448,18 @@ endfunction
 
 " FUNCTION: s:jumpToRoot() {{{1
 " moves the cursor to the root node
-function! s:jumpToRoot()
+function! s:jumpToRoot() abort
     call b:NERDTree.root.putCursorHere(1, 0)
     call b:NERDTree.ui.centerView()
 endfunction
 
 " FUNCTION: s:jumpToNextSibling(node) {{{1
-function! s:jumpToNextSibling(node)
+function! s:jumpToNextSibling(node) abort
     call s:jumpToSibling(a:node, 1)
 endfunction
 
 " FUNCTION: s:jumpToPrevSibling(node) {{{1
-function! s:jumpToPrevSibling(node)
+function! s:jumpToPrevSibling(node) abort
     call s:jumpToSibling(a:node, 0)
 endfunction
 
@@ -469,7 +469,7 @@ endfunction
 " Args:
 " node: the node on which the cursor currently sits
 " forward: 0 to jump to previous sibling, 1 to jump to next sibling
-function! s:jumpToSibling(node, forward)
+function! s:jumpToSibling(node, forward) abort
     let l:node = a:node.path.isDirectory ? a:node.getCascadeRoot() : a:node
     let l:sibling = l:node.findSibling(a:forward)
 
@@ -483,8 +483,8 @@ endfunction
 
 " FUNCTION: nerdtree#ui_glue#openBookmark(name) {{{1
 " Open the Bookmark that has the specified name. This function provides the
-" implementation for the ":OpenBookmark" command.
+" implementation for the :OpenBookmark command.
-function! nerdtree#ui_glue#openBookmark(name)
+function! nerdtree#ui_glue#openBookmark(name) abort
     try
         let l:bookmark = g:NERDTreeBookmark.BookmarkFor(a:name)
     catch /^NERDTree.BookmarkNotFoundError/
@@ -499,42 +499,42 @@ function! nerdtree#ui_glue#openBookmark(name)
 endfunction
 
 " FUNCTION: s:openHSplit(target) {{{1
-function! s:openHSplit(target)
+function! s:openHSplit(target) abort
     call a:target.activate({'where': 'h'})
 endfunction
 
 " FUNCTION: s:openVSplit(target) {{{1
-function! s:openVSplit(target)
+function! s:openVSplit(target) abort
     call a:target.activate({'where': 'v'})
 endfunction
 
 " FUNCTION: s:openExplorer(node) {{{1
-function! s:openExplorer(node)
+function! s:openExplorer(node) abort
     call a:node.openExplorer()
 endfunction
 
 " FUNCTION: s:openInNewTab(target) {{{1
-function! s:openInNewTab(target)
+function! s:openInNewTab(target) abort
     let l:opener = g:NERDTreeOpener.New(a:target.path, {'where': 't'})
     call l:opener.open(a:target)
 endfunction
 
 " FUNCTION: s:openInNewTabSilent(target) {{{1
-function! s:openInNewTabSilent(target)
+function! s:openInNewTabSilent(target) abort
     let l:opener = g:NERDTreeOpener.New(a:target.path, {'where': 't', 'stay': 1})
     call l:opener.open(a:target)
 endfunction
 
 " FUNCTION: s:openNodeRecursively(node) {{{1
-function! s:openNodeRecursively(node)
+function! s:openNodeRecursively(node) abort
-    call nerdtree#echo("Recursively opening node. Please wait...")
+    call nerdtree#echo('Recursively opening node. Please wait...')
     call a:node.openRecursively()
     call b:NERDTree.render()
-    call nerdtree#echo("")
+    call nerdtree#echo('')
 endfunction
 
 " FUNCTION: s:previewBookmark(bookmark) {{{1
-function! s:previewBookmark(bookmark)
+function! s:previewBookmark(bookmark) abort
     if a:bookmark.path.isDirectory
         execute 'NERDTreeFind '.a:bookmark.path.str()
     else
@@ -543,65 +543,65 @@ function! s:previewBookmark(bookmark)
 endfunction
 
 "FUNCTION: s:previewNodeCurrent(node) {{{1
-function! s:previewNodeCurrent(node)
+function! s:previewNodeCurrent(node) abort
     call a:node.open({'stay': 1, 'where': 'p', 'keepopen': 1})
 endfunction
 
 "FUNCTION: s:previewNodeHSplit(node) {{{1
-function! s:previewNodeHSplit(node)
+function! s:previewNodeHSplit(node) abort
     call a:node.open({'stay': 1, 'where': 'h', 'keepopen': 1})
 endfunction
 
 "FUNCTION: s:previewNodeVSplit(node) {{{1
-function! s:previewNodeVSplit(node)
+function! s:previewNodeVSplit(node) abort
     call a:node.open({'stay': 1, 'where': 'v', 'keepopen': 1})
 endfunction
 
 " FUNCTION: nerdtree#ui_glue#revealBookmark(name) {{{1
 " put the cursor on the node associate with the given name
-function! nerdtree#ui_glue#revealBookmark(name)
+function! nerdtree#ui_glue#revealBookmark(name) abort
     try
         let targetNode = g:NERDTreeBookmark.GetNodeForName(a:name, 0, b:NERDTree)
         call targetNode.putCursorHere(0, 1)
     catch /^NERDTree.BookmarkNotFoundError/
-        call nerdtree#echo("Bookmark isnt cached under the current root")
+        call nerdtree#echo('Bookmark isnt cached under the current root')
     endtry
 endfunction
 
 " FUNCTION: s:refreshRoot() {{{1
 " Reloads the current root. All nodes below this will be lost and the root dir
 " will be reloaded.
-function! s:refreshRoot()
+function! s:refreshRoot() abort
     if !g:NERDTree.IsOpen()
         return
     endif
-    call nerdtree#echo("Refreshing the root node. This could take a while...")
+    call nerdtree#echo('Refreshing the root node. This could take a while...')
 
     let l:curWin = winnr()
-    call nerdtree#exec(g:NERDTree.GetWinNum() . "wincmd w", 1)
+    call nerdtree#exec(g:NERDTree.GetWinNum() . 'wincmd w', 1)
     call b:NERDTree.root.refresh()
     call b:NERDTree.render()
     redraw
-    call nerdtree#exec(l:curWin . "wincmd w", 1)
+    call nerdtree#exec(l:curWin . 'wincmd w', 1)
-    call nerdtree#echo("")
+    call nerdtree#echo('')
 endfunction
 
 " FUNCTION: s:refreshCurrent(node) {{{1
 " refreshes the root for the current node
-function! s:refreshCurrent(node)
+function! s:refreshCurrent(node) abort
     let node = a:node
     if !node.path.isDirectory
         let node = node.parent
     endif
 
-    call nerdtree#echo("Refreshing node. This could take a while...")
+    call nerdtree#echo('Refreshing node. This could take a while...')
     call node.refresh()
     call b:NERDTree.render()
-    call nerdtree#echo("")
+    call nerdtree#echo('')
 endfunction
 
 " FUNCTION: nerdtree#ui_glue#setupCommands() {{{1
-function! nerdtree#ui_glue#setupCommands()
+function! nerdtree#ui_glue#setupCommands() abort
     command! -n=? -complete=dir -bar NERDTree :call g:NERDTreeCreator.CreateTabTree('<args>')
     command! -n=? -complete=dir -bar NERDTreeToggle :call g:NERDTreeCreator.ToggleTabTree('<args>')
     command! -n=0 -bar NERDTreeClose :call g:NERDTree.Close()
@@ -614,42 +614,42 @@ function! nerdtree#ui_glue#setupCommands()
 endfunction
 
 " Function: s:SID()   {{{1
-function s:SID()
+function! s:SID() abort
-    if !exists("s:sid")
+    if !exists('s:sid')
         let s:sid = matchstr(expand('<sfile>'), '<SNR>\zs\d\+\ze_SID$')
     endif
     return s:sid
 endfun
 
 " FUNCTION: s:showMenu(node) {{{1
-function! s:showMenu(node)
+function! s:showMenu(node) abort
     let mc = g:NERDTreeMenuController.New(g:NERDTreeMenuItem.AllEnabled())
     call mc.showMenu()
 endfunction
 
 " FUNCTION: s:toggleIgnoreFilter() {{{1
-function! s:toggleIgnoreFilter()
+function! s:toggleIgnoreFilter() abort
     call b:NERDTree.ui.toggleIgnoreFilter()
 endfunction
 
 " FUNCTION: s:toggleShowBookmarks() {{{1
-function! s:toggleShowBookmarks()
+function! s:toggleShowBookmarks() abort
     call b:NERDTree.ui.toggleShowBookmarks()
 endfunction
 
 " FUNCTION: s:toggleShowFiles() {{{1
-function! s:toggleShowFiles()
+function! s:toggleShowFiles() abort
     call b:NERDTree.ui.toggleShowFiles()
 endfunction
 
 " FUNCTION: s:toggleShowHidden() {{{1
 " toggles the display of hidden files
-function! s:toggleShowHidden()
+function! s:toggleShowHidden() abort
     call b:NERDTree.ui.toggleShowHidden()
 endfunction
 
 " FUNCTION: s:toggleZoom() {{{1
-function! s:toggleZoom()
+function! s:toggleZoom() abort
     call b:NERDTree.ui.toggleZoom()
 endfunction
 
@@ -659,7 +659,7 @@ endfunction
 " Args:
 " preserveState: if 1, the current root is left open when the new tree is
 " rendered; if 0, the current root node is closed
-function! nerdtree#ui_glue#upDir(preserveState)
+function! nerdtree#ui_glue#upDir(preserveState) abort
 
     try
         call b:NERDTree.root.cacheParent()
@@ -683,12 +683,12 @@ function! nerdtree#ui_glue#upDir(preserveState)
 endfunction
 
 " FUNCTION: s:upDirCurrentRootOpen() {{{1
-function! s:upDirCurrentRootOpen()
+function! s:upDirCurrentRootOpen() abort
     call nerdtree#ui_glue#upDir(1)
 endfunction
 
 " FUNCTION: s:upDirCurrentRootClosed() {{{1
-function! s:upDirCurrentRootClosed()
+function! s:upDirCurrentRootClosed() abort
     call nerdtree#ui_glue#upDir(0)
 endfunction
 

sources_non_forked/nerdtree/doc/NERDTree.txt

@@ -1238,7 +1238,7 @@ This character is used to separate the file or directory name from the rest of
 the characters in the line of text. It allows filenames to contain special
 characters that are otherwise used in the NERDTree, such as square brackets,
 braces, trailing asterisk, and leading space. For more details, see the
-responsible pull request: https://github.com/scrooloose/nerdtree/pull/868.
+responsible pull request: https://github.com/preservim/nerdtree/pull/868.
 
 The default value of this variable depends on the features compiled into your
 vim and the values of |NERDTreeDirArrowCollapsible| and
@@ -1498,11 +1498,11 @@ in the fridge for later ;)
 Martyzilla recruited two other unwitting accomplices to become his minions in
 his quest to conquer the Vim plugin world. While he may still love to receive
 your emails, the best way to send suggestions, bug reports, and questions is
-to submit an issue at http://github.com/scrooloose/nerdtree/issues.
+to submit an issue at http://github.com/preservim/nerdtree/issues.
 
 The latest stable and development versions are on Github.
-    Stable: http://github.com/scrooloose/nerdtree (master branch)
+    Stable: http://github.com/preservim/nerdtree (master branch)
-    Development: http://github.com/scrooloose/nerdtree/branches
+    Development: http://github.com/preservim/nerdtree/branches
 
 Title Credit:
   * http://ascii.co.uk/art/tree

sources_non_forked/nerdtree/lib/nerdtree/bookmark.vim

@@ -33,7 +33,7 @@ endfunction
 " Class method to get all bookmarks. Lazily initializes the bookmarks global
 " variable
 function! s:Bookmark.Bookmarks()
-    if !exists("g:NERDTreeBookmarks")
+    if !exists('g:NERDTreeBookmarks')
         let g:NERDTreeBookmarks = []
     endif
     return g:NERDTreeBookmarks
@@ -53,7 +53,7 @@ endfunction
 
 " FUNCTION: Bookmark.BookmarkFor(name) {{{1
 " Class method that returns the Bookmark object having the specified name.
-" Throws "NERDTree.BookmarkNotFoundError" if no Bookmark is found.
+" Throws NERDTree.BookmarkNotFoundError if no Bookmark is found.
 function! s:Bookmark.BookmarkFor(name)
     let l:result = {}
     for l:bookmark in s:Bookmark.Bookmarks()
@@ -93,7 +93,7 @@ function! s:Bookmark.CacheBookmarks(silent)
         for i in bookmarkStrings
 
             "ignore blank lines
-            if i != ''
+            if i !=# ''
 
                 let name = substitute(i, '^\(.\{-}\) .*$', '\1', '')
                 let path = substitute(i, '^.\{-} \(.*\)$', '\1', '')
@@ -111,7 +111,7 @@ function! s:Bookmark.CacheBookmarks(silent)
         if invalidBookmarksFound
             call s:Bookmark.Write()
             if !a:silent
-                call nerdtree#echo(invalidBookmarksFound . " invalid bookmarks were read. See :help NERDTreeInvalidBookmarks for info.")
+                call nerdtree#echo(invalidBookmarksFound . ' invalid bookmarks were read. See :help NERDTreeInvalidBookmarks for info.')
             endif
         endif
     endif
@@ -120,16 +120,16 @@ endfunction
 " FUNCTION: Bookmark.CompareBookmarksByName(firstBookmark, secondBookmark) {{{1
 " Class method that indicates the relative position of two bookmarks when
 " placed in alphabetical order by name. Case-sensitivity is determined by an
-" option. Supports the "s:Bookmark.SortBookmarksList()" method.
+" option. Supports the s:Bookmark.SortBookmarksList() method.
 function! s:Bookmark.CompareBookmarksByName(firstBookmark, secondBookmark)
     let l:result = 0
-    if g:NERDTreeBookmarksSort == 1
+    if g:NERDTreeBookmarksSort ==# 1
         if a:firstBookmark.name <? a:secondBookmark.name
             let l:result = -1
         elseif a:firstBookmark.name >? a:secondBookmark.name
             let l:result = 1
         endif
-    elseif g:NERDTreeBookmarksSort == 2
+    elseif g:NERDTreeBookmarksSort ==# 2
         if a:firstBookmark.name <# a:secondBookmark.name
             let l:result = -1
         elseif a:firstBookmark.name ># a:secondBookmark.name
@@ -159,13 +159,13 @@ endfunction
 " FUNCTION: s:Edit() {{{1
 " opens the NERDTreeBookmarks file for manual editing
 function! s:Bookmark.Edit()
-    call nerdtree#exec("wincmd w", 1)
+    call nerdtree#exec('wincmd w', 1)
-    call nerdtree#exec("edit ".g:NERDTreeBookmarksFile, 1)
+    call nerdtree#exec('edit '.g:NERDTreeBookmarksFile, 1)
 endfunction
 
 " FUNCTION: Bookmark.getNode(nerdtree, searchFromAbsoluteRoot) {{{1
 " Returns the tree node object associated with this Bookmark.
-" Throws "NERDTree.BookmarkedNodeNotFoundError" if the node is not found.
+" Throws NERDTree.BookmarkedNodeNotFoundError if the node is not found.
 "
 " Args:
 " searchFromAbsoluteRoot: boolean flag, search from the highest cached node
@@ -185,8 +185,8 @@ endfunction
 
 " FUNCTION: Bookmark.GetNodeForName(name, searchFromAbsoluteRoot, nerdtree) {{{1
 " Class method that returns the tree node object for the Bookmark with the
-" given name. Throws "NERDTree.BookmarkNotFoundError" if a Bookmark with the
+" given name. Throws NERDTree.BookmarkNotFoundError if a Bookmark with the
-" name does not exist. Throws "NERDTree.BookmarkedNodeNotFoundError" if a
+" name does not exist. Throws NERDTree.BookmarkedNodeNotFoundError if a
 " tree node for the named Bookmark could not be found.
 function! s:Bookmark.GetNodeForName(name, searchFromAbsoluteRoot, nerdtree)
     let l:bookmark = s:Bookmark.BookmarkFor(a:name)
@@ -196,9 +196,9 @@ endfunction
 " FUNCTION: Bookmark.GetSelected() {{{1
 " returns the Bookmark the cursor is over, or {}
 function! s:Bookmark.GetSelected()
-    let line = getline(".")
+    let line = getline('.')
     let name = substitute(line, '^>\(.\{-}\) .\+$', '\1', '')
-    if name != line
+    if name !=# line
         try
             return s:Bookmark.BookmarkFor(name)
         catch /^NERDTree.BookmarkNotFoundError/
@@ -212,7 +212,7 @@ endfunction
 " Class method to get all invalid bookmark strings read from the bookmarks
 " file
 function! s:Bookmark.InvalidBookmarks()
-    if !exists("g:NERDTreeInvalidBookmarks")
+    if !exists('g:NERDTreeInvalidBookmarks')
         let g:NERDTreeInvalidBookmarks = []
     endif
     return g:NERDTreeInvalidBookmarks
@@ -222,8 +222,8 @@ endfunction
 function! s:Bookmark.mustExist()
     if !self.path.exists()
         call s:Bookmark.CacheBookmarks(1)
-        throw "NERDTree.BookmarkPointsToInvalidLocationError: the bookmark \"".
+        throw 'NERDTree.BookmarkPointsToInvalidLocationError: the bookmark "'.
-            \ self.name ."\" points to a non existing location: \"". self.path.str()
+            \ self.name .'" points to a non existing location: "'. self.path.str()
     endif
 endfunction
 
@@ -231,7 +231,7 @@ endfunction
 " Create a new bookmark object with the given name and path object
 function! s:Bookmark.New(name, path)
     if a:name =~# ' '
-        throw "NERDTree.IllegalBookmarkNameError: illegal name:" . a:name
+        throw 'NERDTree.IllegalBookmarkNameError: illegal name:' . a:name
     endif
 
     let newBookmark = copy(self)
@@ -292,7 +292,7 @@ endfunction
 " Get the string that should be rendered in the view for this bookmark
 function! s:Bookmark.str()
     let pathStrMaxLen = winwidth(g:NERDTree.GetWinNum()) - 4 - strdisplaywidth(self.name)
-    if &nu
+    if &number
         let pathStrMaxLen = pathStrMaxLen - &numberwidth
     endif
 
@@ -335,7 +335,7 @@ function! s:Bookmark.validate()
         return 1
     else
         call s:Bookmark.CacheBookmarks(1)
-        call nerdtree#echo(self.name . "now points to an invalid location. See :help NERDTreeInvalidBookmarks for info.")
+        call nerdtree#echo(self.name . 'now points to an invalid location. See :help NERDTreeInvalidBookmarks for info.')
         return 0
     endif
 endfunction
@@ -349,7 +349,7 @@ function! s:Bookmark.Write()
     endfor
 
     "add a blank line before the invalid ones
-    call add(bookmarkStrings, "")
+    call add(bookmarkStrings, '')
 
     for j in s:Bookmark.InvalidBookmarks()
         call add(bookmarkStrings, j)
@@ -358,7 +358,7 @@ function! s:Bookmark.Write()
     try
         call writefile(bookmarkStrings, g:NERDTreeBookmarksFile)
     catch
-        call nerdtree#echoError("Failed to write bookmarks file. Make sure g:NERDTreeBookmarksFile points to a valid location.")
+        call nerdtree#echoError('Failed to write bookmarks file. Make sure g:NERDTreeBookmarksFile points to a valid location.')
     endtry
 endfunction
 

sources_non_forked/nerdtree/lib/nerdtree/creator.vim

@@ -82,20 +82,20 @@ function! s:Creator.createWindowTree(dir)
     try
         let path = g:NERDTreePath.New(a:dir)
     catch /^NERDTree.InvalidArgumentsError/
-        call nerdtree#echo("Invalid directory name:" . a:name)
+        call nerdtree#echo('Invalid directory name:' . a:dir)
         return
     endtry
 
     "we want the directory buffer to disappear when we do the :edit below
     setlocal bufhidden=wipe
 
-    let previousBuf = expand("#")
+    let previousBuf = expand('#')
 
     "we need a unique name for each window tree buffer to ensure they are
     "all independent
-    exec g:NERDTreeCreatePrefix . " edit " . self._nextBufferName()
+    exec g:NERDTreeCreatePrefix . ' edit ' . self._nextBufferName()
 
-    call self._createNERDTree(path, "window")
+    call self._createNERDTree(path, 'window')
     let b:NERDTree._previousBuf = bufnr(previousBuf)
     call self._setCommonBufOptions()
 
@@ -109,7 +109,7 @@ function! s:Creator._createNERDTree(path, type)
     let b:NERDTree = g:NERDTree.New(a:path, a:type)
 
     " TODO: This assignment is kept for compatibility reasons.  Many other
-    " plugins use "b:NERDTreeRoot" instead of "b:NERDTree.root".  Remove this
+    " plugins use b:NERDTreeRoot instead of b:NERDTree.root.  Remove this
     " assignment in the future.
     let b:NERDTreeRoot = b:NERDTree.root
 
@@ -126,9 +126,9 @@ endfunction
 function! s:Creator.createMirror()
     "get the names off all the nerd tree buffers
     let treeBufNames = []
-    for i in range(1, tabpagenr("$"))
+    for i in range(1, tabpagenr('$'))
         let nextName = self._tabpagevar(i, 'NERDTreeBufName')
-        if nextName != -1 && (!exists("t:NERDTreeBufName") || nextName != t:NERDTreeBufName)
+        if nextName != -1 && (!exists('t:NERDTreeBufName') || nextName != t:NERDTreeBufName)
             call add(treeBufNames, nextName)
         endif
     endfor
@@ -140,7 +140,7 @@ function! s:Creator.createMirror()
     let i = 0
     while i < len(treeBufNames)
         let bufName = treeBufNames[i]
-        let treeRoot = getbufvar(bufName, "NERDTree").root
+        let treeRoot = getbufvar(bufName, 'NERDTree').root
         let options[i+1 . '. ' . treeRoot.path.str() . '  (buf name: ' . bufName . ')'] = bufName
         let i = i + 1
     endwhile
@@ -148,7 +148,7 @@ function! s:Creator.createMirror()
     "work out which tree to mirror, if there is more than 1 then ask the user
     let bufferName = ''
     if len(keys(options)) > 1
-        let choices = ["Choose a tree to mirror"]
+        let choices = ['Choose a tree to mirror']
         let choices = extend(choices, sort(keys(options)))
         let choice = inputlist(choices)
         if choice < 1 || choice > len(options) || choice ==# ''
@@ -159,7 +159,7 @@ function! s:Creator.createMirror()
     elseif len(keys(options)) ==# 1
         let bufferName = values(options)[0]
     else
-        call nerdtree#echo("No trees to mirror")
+        call nerdtree#echo('No trees to mirror')
         return
     endif
 
@@ -227,7 +227,7 @@ endfunction
 " FUNCTION: s:Creator._nextBufferNumber() {{{1
 " the number to add to the nerd tree buffer name to make the buf name unique
 function! s:Creator._nextBufferNumber()
-    if !exists("s:Creator._NextBufNum")
+    if !exists('s:Creator._NextBufNum')
         let s:Creator._NextBufNum = 1
     else
         let s:Creator._NextBufNum += 1
@@ -254,7 +254,7 @@ function! s:Creator._pathForString(str)
         try
             let path = g:NERDTreePath.New(dir)
         catch /^NERDTree.InvalidArgumentsError/
-            call nerdtree#echo("No bookmark or directory found for: " . a:str)
+            call nerdtree#echo('No bookmark or directory found for: ' . a:str)
             return {}
         endtry
     endif
@@ -274,7 +274,7 @@ function! s:Creator._removeTreeBufForTab()
 
         "nerdtree buf may be mirrored/displayed elsewhere
         if self._isBufHidden(buf)
-            exec "bwipeout " . buf
+            exec 'bwipeout ' . buf
         endif
 
     endif
@@ -300,11 +300,11 @@ function! s:Creator._setCommonBufOptions()
     setlocal nowrap
 
     if g:NERDTreeShowLineNumbers
-        setlocal nu
+        setlocal number
     else
-        setlocal nonu
+        setlocal nonumber
         if v:version >= 703
-            setlocal nornu
+            setlocal norelativenumber
         endif
     endif
 
@@ -330,17 +330,17 @@ endfunction
 " FUNCTION: s:Creator._tabpagevar(tabnr, var) {{{1
 function! s:Creator._tabpagevar(tabnr, var)
     let currentTab = tabpagenr()
-    let old_ei = &ei
+    let old_ei = &eventignore
-    set ei=all
+    set eventignore=all
 
-    exec "tabnext " . a:tabnr
+    exec 'tabnext ' . a:tabnr
     let v = -1
     if exists('t:' . a:var)
         exec 'let v = t:' . a:var
     endif
-    exec "tabnext " . currentTab
+    exec 'tabnext ' . currentTab
 
-    let &ei = old_ei
+    let &eventignore = old_ei
 
     return v
 endfunction

sources_non_forked/nerdtree/lib/nerdtree/flag_set.vim

@@ -43,13 +43,13 @@ endfunction
 
 "FUNCTION: FlagSet.renderToString() {{{1
 function! s:FlagSet.renderToString()
-    let flagstring = ""
+    let flagstring = ''
     for i in values(self._flags)
         let flagstring .= join(i)
     endfor
 
     if len(flagstring) == 0
-        return ""
+        return ''
     endif
 
     return '[' . flagstring . ']'

sources_non_forked/nerdtree/lib/nerdtree/key_map.vim

@@ -53,7 +53,7 @@ function! s:KeyMap.bind()
     endif
     let keymapInvokeString = escape(keymapInvokeString, '\')
 
-    let premap = self.key == "<LeftRelease>" ? " <LeftRelease>" : " "
+    let premap = self.key ==# '<LeftRelease>' ? ' <LeftRelease>' : ' '
 
     exec 'nnoremap <buffer> <silent> '. self.key . premap . ':call nerdtree#ui_glue#invokeKeyMap("'. keymapInvokeString .'")<cr>'
 endfunction
@@ -66,7 +66,7 @@ endfunction
 "FUNCTION: KeyMap.invoke() {{{1
 "Call the KeyMaps callback function
 function! s:KeyMap.invoke(...)
-    let Callback = type(self.callback) == type(function("tr")) ? self.callback : function(self.callback)
+    let Callback = type(self.callback) ==# type(function('tr')) ? self.callback : function(self.callback)
     if a:0
         call Callback(a:1)
     else
@@ -78,11 +78,11 @@ endfunction
 "Find a keymapping for a:key and the current scope invoke it.
 "
 "Scope is determined as follows:
-"   * if the cursor is on a dir node then "DirNode"
+"   * if the cursor is on a dir node then DirNode
-"   * if the cursor is on a file node then "FileNode"
+"   * if the cursor is on a file node then FileNode
-"   * if the cursor is on a bookmark then "Bookmark"
+"   * if the cursor is on a bookmark then Bookmark
 "
-"If a keymap has the scope of "all" then it will be called if no other keymap
+"If a keymap has the scope of 'all' then it will be called if no other keymap
 "is found for a:key and the scope.
 function! s:KeyMap.Invoke(key)
 
@@ -100,7 +100,7 @@ function! s:KeyMap.Invoke(key)
 
         "try file node
         if !node.path.isDirectory
-            let km = s:KeyMap.FindFor(a:key, "FileNode")
+            let km = s:KeyMap.FindFor(a:key, 'FileNode')
             if !empty(km)
                 return km.invoke(node)
             endif
@@ -108,14 +108,14 @@ function! s:KeyMap.Invoke(key)
 
         "try dir node
         if node.path.isDirectory
-            let km = s:KeyMap.FindFor(a:key, "DirNode")
+            let km = s:KeyMap.FindFor(a:key, 'DirNode')
             if !empty(km)
                 return km.invoke(node)
             endif
         endif
 
         "try generic node
-        let km = s:KeyMap.FindFor(a:key, "Node")
+        let km = s:KeyMap.FindFor(a:key, 'Node')
         if !empty(km)
             return km.invoke(node)
         endif
@@ -125,14 +125,14 @@ function! s:KeyMap.Invoke(key)
     "try bookmark
     let bm = g:NERDTreeBookmark.GetSelected()
     if !empty(bm)
-        let km = s:KeyMap.FindFor(a:key, "Bookmark")
+        let km = s:KeyMap.FindFor(a:key, 'Bookmark')
         if !empty(km)
             return km.invoke(bm)
         endif
     endif
 
     "try all
-    let km = s:KeyMap.FindFor(a:key, "all")
+    let km = s:KeyMap.FindFor(a:key, 'all')
     if !empty(km)
         return km.invoke()
     endif
@@ -143,7 +143,7 @@ function! s:KeyMap.Create(options)
     let opts = extend({'scope': 'all', 'quickhelpText': ''}, copy(a:options))
 
     "dont override other mappings unless the 'override' option is given
-    if get(opts, 'override', 0) == 0 && !empty(s:KeyMap.FindFor(opts['key'], opts['scope']))
+    if get(opts, 'override', 0) ==# 0 && !empty(s:KeyMap.FindFor(opts['key'], opts['scope']))
         return
     end
 

sources_non_forked/nerdtree/lib/nerdtree/menu_controller.vim

@@ -44,13 +44,13 @@ function! s:MenuController.showMenu()
     finally
         call self._restoreOptions()
 
-        " Redraw when "Ctrl-C" or "Esc" is received.
+        " Redraw when Ctrl-C or Esc is received.
-        if !l:done || self.selection == -1
+        if !l:done || self.selection ==# -1
             redraw!
         endif
     endtry
 
-    if self.selection != -1
+    if self.selection !=# -1
         let l:m = self._current()
         call l:m.execute()
     endif
@@ -58,25 +58,25 @@ endfunction
 
 "FUNCTION: MenuController._echoPrompt() {{{1
 function! s:MenuController._echoPrompt()
-    let navHelp = "Use " . g:NERDTreeMenuDown . "/" . g:NERDTreeMenuUp . "/enter"
+    let navHelp = 'Use ' . g:NERDTreeMenuDown . '/' . g:NERDTreeMenuUp . '/enter'
 
     if self.isMinimal()
         let selection = self.menuItems[self.selection].text
-        let keyword = matchstr(selection, "\([^ ]*")
+        let keyword = matchstr(selection, '[^ ]*([^ ]*')
 
         let shortcuts = map(copy(self.menuItems), "v:val['shortcut']")
-        let shortcuts[self.selection] = " " . keyword . " "
+        let shortcuts[self.selection] = ' ' . keyword . ' '
 
-        echo "Menu: [" . join(shortcuts, ",") . "] (" . navHelp . " or shortcut): "
+        echo 'Menu: [' . join(shortcuts, ',') . '] (' . navHelp . ' or shortcut): '
     else
-        echo "NERDTree Menu. " . navHelp . ", or the shortcuts indicated"
+        echo 'NERDTree Menu. ' . navHelp . ', or the shortcuts indicated'
-        echo "========================================================="
+        echo '========================================================='
 
         for i in range(0, len(self.menuItems)-1)
-            if self.selection == i
+            if self.selection ==# i
-                echo "> " . self.menuItems[i].text
+                echo '> ' . self.menuItems[i].text
             else
-                echo "  " . self.menuItems[i].text
+                echo '  ' . self.menuItems[i].text
             endif
         endfor
     endif
@@ -92,20 +92,20 @@ endfunction
 "change the selection (if appropriate) and return 1 if the user has made
 "their choice, 0 otherwise
 function! s:MenuController._handleKeypress(key)
-    if a:key == g:NERDTreeMenuDown
+    if a:key ==# g:NERDTreeMenuDown
         call self._cursorDown()
-    elseif a:key == g:NERDTreeMenuUp
+    elseif a:key ==# g:NERDTreeMenuUp
         call self._cursorUp()
-    elseif a:key == nr2char(27) "escape
+    elseif a:key ==# nr2char(27) "escape
         let self.selection = -1
         return 1
-    elseif a:key == "\r" || a:key == "\n" "enter and ctrl-j
+    elseif a:key ==# "\r" || a:key ==# "\n" "enter and ctrl-j
         return 1
     else
         let index = self._nextIndexFor(a:key)
-        if index != -1
+        if index !=# -1
             let self.selection = index
-            if len(self._allIndexesFor(a:key)) == 1
+            if len(self._allIndexesFor(a:key)) ==# 1
                 return 1
             endif
         endif
@@ -120,7 +120,7 @@ function! s:MenuController._allIndexesFor(shortcut)
     let toReturn = []
 
     for i in range(0, len(self.menuItems)-1)
-        if self.menuItems[i].shortcut == a:shortcut
+        if self.menuItems[i].shortcut ==# a:shortcut
             call add(toReturn, i)
         endif
     endfor
@@ -133,13 +133,13 @@ endfunction
 "current cursor location and wraps around to the top again if need be
 function! s:MenuController._nextIndexFor(shortcut)
     for i in range(self.selection+1, len(self.menuItems)-1)
-        if self.menuItems[i].shortcut == a:shortcut
+        if self.menuItems[i].shortcut ==# a:shortcut
             return i
         endif
     endfor
 
     for i in range(0, self.selection)
-        if self.menuItems[i].shortcut == a:shortcut
+        if self.menuItems[i].shortcut ==# a:shortcut
             return i
         endif
     endfor

sources_non_forked/nerdtree/lib/nerdtree/menu_item.vim

@@ -6,7 +6,7 @@ let g:NERDTreeMenuItem = s:MenuItem
 "FUNCTION: MenuItem.All() {{{1
 "get all top level menu items
 function! s:MenuItem.All()
-    if !exists("s:menuItems")
+    if !exists('s:menuItems')
         let s:menuItems = []
     endif
     return s:menuItems
@@ -58,7 +58,7 @@ function! s:MenuItem.CreateSeparator(options)
     let standard_options = { 'text': '--------------------',
                 \ 'shortcut': -1,
                 \ 'callback': -1 }
-    let options = extend(a:options, standard_options, "force")
+    let options = extend(a:options, standard_options, 'force')
 
     return s:MenuItem.Create(options)
 endfunction
@@ -67,7 +67,7 @@ endfunction
 "make a new submenu and add it to global list
 function! s:MenuItem.CreateSubmenu(options)
     let standard_options = { 'callback': -1 }
-    let options = extend(a:options, standard_options, "force")
+    let options = extend(a:options, standard_options, 'force')
 
     return s:MenuItem.Create(options)
 endfunction
@@ -79,7 +79,7 @@ endfunction
 "specified
 function! s:MenuItem.enabled()
     if self.isActiveCallback != -1
-        return type(self.isActiveCallback) == type(function("tr")) ? self.isActiveCallback() : {self.isActiveCallback}()
+        return type(self.isActiveCallback) == type(function('tr')) ? self.isActiveCallback() : {self.isActiveCallback}()
     endif
     return 1
 endfunction
@@ -94,7 +94,7 @@ function! s:MenuItem.execute()
         call mc.showMenu()
     else
         if self.callback != -1
-            if type(self.callback) == type(function("tr"))
+            if type(self.callback) == type(function('tr'))
                 call self.callback()
             else
                 call {self.callback}()

sources_non_forked/nerdtree/lib/nerdtree/nerdtree.vim

@@ -37,26 +37,26 @@ function! s:NERDTree.Close()
         return
     endif
 
-    if winnr("$") != 1
+    if winnr('$') !=# 1
         " Use the window ID to identify the currently active window or fall
         " back on the buffer ID if win_getid/win_gotoid are not available, in
         " which case we'll focus an arbitrary window showing the buffer.
         let l:useWinId = exists('*win_getid') && exists('*win_gotoid')
 
-        if winnr() == s:NERDTree.GetWinNum()
+        if winnr() ==# s:NERDTree.GetWinNum()
-            call nerdtree#exec("wincmd p", 1)
+            call nerdtree#exec('wincmd p', 1)
-            let l:activeBufOrWin = l:useWinId ? win_getid() : bufnr("")
+            let l:activeBufOrWin = l:useWinId ? win_getid() : bufnr('')
-            call nerdtree#exec("wincmd p", 1)
+            call nerdtree#exec('wincmd p', 1)
         else
-            let l:activeBufOrWin = l:useWinId ? win_getid() : bufnr("")
+            let l:activeBufOrWin = l:useWinId ? win_getid() : bufnr('')
         endif
 
-        call nerdtree#exec(s:NERDTree.GetWinNum() . " wincmd w", 1)
+        call nerdtree#exec(s:NERDTree.GetWinNum() . ' wincmd w', 1)
-        call nerdtree#exec("close", 0)
+        call nerdtree#exec('close', 0)
         if l:useWinId
-            call nerdtree#exec("call win_gotoid(" . l:activeBufOrWin . ")", 0)
+            call nerdtree#exec('call win_gotoid(' . l:activeBufOrWin . ')', 0)
         else
-            call nerdtree#exec(bufwinnr(l:activeBufOrWin) . " wincmd w", 0)
+            call nerdtree#exec(bufwinnr(l:activeBufOrWin) . ' wincmd w', 0)
         endif
     else
         close
@@ -75,7 +75,7 @@ endfunction
 "Places the cursor at the top of the bookmarks table
 function! s:NERDTree.CursorToBookmarkTable()
     if !b:NERDTree.ui.getShowBookmarks()
-        throw "NERDTree.IllegalOperationError: cant find bookmark table, bookmarks arent active"
+        throw 'NERDTree.IllegalOperationError: cant find bookmark table, bookmarks arent active'
     endif
 
     if g:NERDTreeMinimalUI
@@ -88,7 +88,7 @@ function! s:NERDTree.CursorToBookmarkTable()
     while getline(line) !~# '^>-\+Bookmarks-\+$'
         let line = line + 1
         if line >= rootNodeLine
-            throw "NERDTree.BookmarkTableNotFoundError: didnt find the bookmarks table"
+            throw 'NERDTree.BookmarkTableNotFoundError: didnt find the bookmarks table'
         endif
     endwhile
     call cursor(line, 2)
@@ -98,19 +98,19 @@ endfunction
 "Places the cursor in the nerd tree window
 function! s:NERDTree.CursorToTreeWin()
     call g:NERDTree.MustBeOpen()
-    call nerdtree#exec(g:NERDTree.GetWinNum() . "wincmd w", 1)
+    call nerdtree#exec(g:NERDTree.GetWinNum() . 'wincmd w', 1)
 endfunction
 
 " Function: s:NERDTree.ExistsForBuffer()   {{{1
 " Returns 1 if a nerd tree root exists in the current buffer
 function! s:NERDTree.ExistsForBuf()
-    return exists("b:NERDTree")
+    return exists('b:NERDTree')
 endfunction
 
 " Function: s:NERDTree.ExistsForTab()   {{{1
 " Returns 1 if a nerd tree root exists in the current tab
 function! s:NERDTree.ExistsForTab()
-    if !exists("t:NERDTreeBufName")
+    if !exists('t:NERDTreeBufName')
         return
     end
 
@@ -133,7 +133,7 @@ function! s:NERDTree.ForCurrentTab()
     endif
 
     let bufnr = bufnr(t:NERDTreeBufName)
-    return getbufvar(bufnr, "NERDTree")
+    return getbufvar(bufnr, 'NERDTree')
 endfunction
 
 "FUNCTION: s:NERDTree.getRoot() {{{1
@@ -144,7 +144,7 @@ endfunction
 "FUNCTION: s:NERDTree.GetWinNum() {{{1
 "gets the nerd tree window number for this tab
 function! s:NERDTree.GetWinNum()
-    if exists("t:NERDTreeBufName")
+    if exists('t:NERDTreeBufName')
         return bufwinnr(t:NERDTreeBufName)
     endif
 
@@ -160,23 +160,23 @@ endfunction
 
 "FUNCTION: s:NERDTree.IsOpen() {{{1
 function! s:NERDTree.IsOpen()
-    return s:NERDTree.GetWinNum() != -1
+    return s:NERDTree.GetWinNum() !=# -1
 endfunction
 
 "FUNCTION: s:NERDTree.isTabTree() {{{1
 function! s:NERDTree.isTabTree()
-    return self._type == "tab"
+    return self._type ==# 'tab'
 endfunction
 
 "FUNCTION: s:NERDTree.isWinTree() {{{1
 function! s:NERDTree.isWinTree()
-    return self._type == "window"
+    return self._type ==# 'window'
 endfunction
 
 "FUNCTION: s:NERDTree.MustBeOpen() {{{1
 function! s:NERDTree.MustBeOpen()
     if !s:NERDTree.IsOpen()
-        throw "NERDTree.TreeNotOpen"
+        throw 'NERDTree.TreeNotOpen'
     endif
 endfunction
 

sources_non_forked/nerdtree/lib/nerdtree/notifier.vim

@@ -15,13 +15,13 @@ function! s:Notifier.NotifyListeners(event, path, nerdtree, params)
     let event = g:NERDTreeEvent.New(a:nerdtree, a:path, a:event, a:params)
 
     for Listener in s:Notifier.GetListenersForEvent(a:event)
-    	let Callback = type(Listener) == type(function("tr")) ? Listener : function(Listener)
+    	let Callback = type(Listener) == type(function('tr')) ? Listener : function(Listener)
         call Callback(event)
     endfor
 endfunction
 
 function! s:Notifier.GetListenersMap()
-    if !exists("s:refreshListenersMap")
+    if !exists('s:refreshListenersMap')
         let s:refreshListenersMap = {}
     endif
     return s:refreshListenersMap

sources_non_forked/nerdtree/lib/nerdtree/opener.vim

@@ -1,7 +1,7 @@
 " ============================================================================
 " CLASS: Opener
 "
-" The Opener class defines an API for "opening" operations.
+" The Opener class defines an API for 'opening' operations.
 " ============================================================================
 
 
@@ -45,7 +45,7 @@ function! s:Opener._checkToCloseTree(newtab)
         return
     endif
 
-    if (a:newtab && self._where == 't') || !a:newtab
+    if (a:newtab && self._where ==# 't') || !a:newtab
         call g:NERDTree.CloseIfQuitOnOpen()
     endif
 endfunction
@@ -54,9 +54,9 @@ endfunction
 " find the window number of the first normal window
 function! s:Opener._firstUsableWindow()
     let i = 1
-    while i <= winnr("$")
+    while i <= winnr('$')
         let bnum = winbufnr(i)
-        if bnum != -1 && getbufvar(bnum, '&buftype') ==# ''
+        if bnum !=# -1 && getbufvar(bnum, '&buftype') ==# ''
                     \ && !getwinvar(i, '&previewwindow')
                     \ && (!getbufvar(bnum, '&modified') || &hidden)
             return i
@@ -70,23 +70,23 @@ endfunction
 " FUNCTION: Opener._gotoTargetWin() {{{1
 function! s:Opener._gotoTargetWin()
     if b:NERDTree.isWinTree()
-        if self._where == 'v'
+        if self._where ==# 'v'
             call self._newVSplit()
-        elseif self._where == 'h'
+        elseif self._where ==# 'h'
             call self._newSplit()
-        elseif self._where == 't'
+        elseif self._where ==# 't'
             tabnew
         endif
     else
         call self._checkToCloseTree(1)
 
-        if self._where == 'v'
+        if self._where ==# 'v'
             call self._newVSplit()
-        elseif self._where == 'h'
+        elseif self._where ==# 'h'
             call self._newSplit()
-        elseif self._where == 't'
+        elseif self._where ==# 't'
             tabnew
-        elseif self._where == 'p'
+        elseif self._where ==# 'p'
             call self._previousWindow()
         endif
 
@@ -102,15 +102,15 @@ endfunction
 " winnumber: the number of the window in question
 function! s:Opener._isWindowUsable(winnumber)
     "gotta split if theres only one window (i.e. the NERD tree)
-    if winnr("$") ==# 1
+    if winnr('$') ==# 1
         return 0
     endif
 
     let oldwinnr = winnr()
-    call nerdtree#exec(a:winnumber . "wincmd p", 1)
+    call nerdtree#exec(a:winnumber . 'wincmd p', 1)
-    let specialWindow = getbufvar("%", '&buftype') != '' || getwinvar('%', '&previewwindow')
+    let specialWindow = getbufvar('%', '&buftype') !=# '' || getwinvar('%', '&previewwindow')
     let modified = &modified
-    call nerdtree#exec(oldwinnr . "wincmd p", 1)
+    call nerdtree#exec(oldwinnr . 'wincmd p', 1)
 
     "if its a special window e.g. quickfix or another explorer plugin then we
     "have to split
@@ -131,9 +131,9 @@ endfunction
 " a:path: the path object that is to be opened
 " a:opts: a dictionary containing the following optional keys...
 "   'where': specifies whether the node should be opened in new split, in
-"            a new tab or, in the last window; takes values "v", "h", or "t"
+"            a new tab or, in the last window; takes values 'v', 'h', or 't'
 "   'reuse': if file is already shown in a window, jump there; takes values
-"            "all", "currenttab", or empty
+"            'all', 'currenttab', or empty
 "   'keepopen': boolean (0 or 1); if true, the tree window will not be closed
 "   'stay': boolean (0 or 1); if true, remain in tree window after opening
 function! s:Opener.New(path, opts)
@@ -153,21 +153,21 @@ endfunction
 
 " FUNCTION: Opener._newSplit() {{{1
 function! s:Opener._newSplit()
-    let onlyOneWin = (winnr("$") ==# 1)
+    let onlyOneWin = (winnr('$') ==# 1)
     let savesplitright = &splitright
     if onlyOneWin
-        let &splitright = (g:NERDTreeWinPos ==# "left")
+        let &splitright = (g:NERDTreeWinPos ==# 'left')
     endif
     " If only one window (ie. NERDTree), split vertically instead.
-    let splitMode = onlyOneWin ? "vertical" : ""
+    let splitMode = onlyOneWin ? 'vertical' : ''
 
     " Open the new window
     try
         call nerdtree#exec('wincmd p', 1)
-        call nerdtree#exec(splitMode . " split",1)
+        call nerdtree#exec(splitMode . ' split',1)
     catch /^Vim\%((\a\+)\)\=:E37/
         call g:NERDTree.CursorToTreeWin()
-        throw "NERDTree.FileAlreadyOpenAndModifiedError: ". self._path.str() ." is already open and modified."
+        throw 'NERDTree.FileAlreadyOpenAndModifiedError: '. self._path.str() .' is already open and modified.'
     catch /^Vim\%((\a\+)\)\=:/
         "do nothing
     endtry
@@ -187,10 +187,10 @@ endfunction
 function! s:Opener._newVSplit()
     let l:winwidth = winwidth('.')
 
-    let onlyOneWin = (winnr("$") ==# 1)
+    let onlyOneWin = (winnr('$') ==# 1)
     let savesplitright = &splitright
     if onlyOneWin
-        let &splitright = (g:NERDTreeWinPos ==# "left")
+        let &splitright = (g:NERDTreeWinPos ==# 'left')
         let l:winwidth = g:NERDTreeWinSize
     endif
 
@@ -219,7 +219,7 @@ endfunction
 
 " FUNCTION: Opener._openFile() {{{1
 function! s:Opener._openFile()
-    if !self._stay && !and(g:NERDTreeQuitOnOpen,1) && exists("b:NERDTreeZoomed") && b:NERDTreeZoomed
+    if !self._stay && !and(g:NERDTreeQuitOnOpen,1) && exists('b:NERDTreeZoomed') && b:NERDTreeZoomed
         call b:NERDTree.ui.toggleZoom()
     endif
 
@@ -247,7 +247,7 @@ function! s:Opener._openDirectory(node)
     else
         if empty(self._where)
             call b:NERDTree.changeRoot(a:node)
-        elseif self._where == 't'
+        elseif self._where ==# 't'
             call g:NERDTreeCreator.CreateTabTree(a:node.path.str())
         else
             call g:NERDTreeCreator.CreateWindowTree(a:node.path.str())
@@ -261,18 +261,18 @@ endfunction
 
 " FUNCTION: Opener._previousWindow() {{{1
 function! s:Opener._previousWindow()
-    if !self._isWindowUsable(winnr("#")) && self._firstUsableWindow() ==# -1
+    if !self._isWindowUsable(winnr('#')) && self._firstUsableWindow() ==# -1
         call self._newSplit()
     else
         try
-            if !self._isWindowUsable(winnr("#"))
+            if !self._isWindowUsable(winnr('#'))
-                call nerdtree#exec(self._firstUsableWindow() . "wincmd w", 1)
+                call nerdtree#exec(self._firstUsableWindow() . 'wincmd w', 1)
             else
                 call nerdtree#exec('wincmd p', 1)
             endif
         catch /^Vim\%((\a\+)\)\=:E37/
             call g:NERDTree.CursorToTreeWin()
-            throw "NERDTree.FileAlreadyOpenAndModifiedError: ". self._path.str() ." is already open and modified."
+            throw 'NERDTree.FileAlreadyOpenAndModifiedError: '. self._path.str() .' is already open and modified.'
         catch /^Vim\%((\a\+)\)\=:/
             echo v:exception
         endtry
@@ -296,13 +296,13 @@ function! s:Opener._reuseWindow()
 
     "check the current tab for the window
     let winnr = bufwinnr('^' . self._path.str() . '$')
-    if winnr != -1
+    if winnr !=# -1
-        call nerdtree#exec(winnr . "wincmd w", 0)
+        call nerdtree#exec(winnr . 'wincmd w', 0)
         call self._checkToCloseTree(0)
         return 1
     endif
 
-    if self._reuse == 'currenttab'
+    if self._reuse ==# 'currenttab'
         return 0
     endif
 
@@ -312,7 +312,7 @@ function! s:Opener._reuseWindow()
         call self._checkToCloseTree(1)
         call nerdtree#exec(tabnr . 'tabnext', 1)
         let winnr = bufwinnr('^' . self._path.str() . '$')
-        call nerdtree#exec(winnr . "wincmd w", 0)
+        call nerdtree#exec(winnr . 'wincmd w', 0)
         return 1
     endif
 
@@ -321,7 +321,7 @@ endfunction
 
 " FUNCTION: Opener._saveCursorPos() {{{1
 function! s:Opener._saveCursorPos()
-    let self._bufnr = bufnr("")
+    let self._bufnr = bufnr('')
     let self._tabnr = tabpagenr()
 endfunction
 

sources_non_forked/nerdtree/lib/nerdtree/path.vim

@@ -25,7 +25,7 @@ function! s:Path.AbsolutePathFor(pathStr)
     if l:prependWorkingDir
         let l:result = getcwd()
 
-        if l:result[-1:] == s:Path.Slash()
+        if l:result[-1:] ==# s:Path.Slash()
             let l:result = l:result . a:pathStr
         else
             let l:result = l:result . s:Path.Slash() . a:pathStr
@@ -37,7 +37,7 @@ endfunction
 
 " FUNCTION: Path.bookmarkNames() {{{1
 function! s:Path.bookmarkNames()
-    if !exists("self._bookmarkNames")
+    if !exists('self._bookmarkNames')
         call self.cacheDisplayString()
     endif
     return self._bookmarkNames
@@ -57,7 +57,7 @@ function! s:Path.cacheDisplayString() abort
             call add(self._bookmarkNames, i.name)
         endif
     endfor
-    if !empty(self._bookmarkNames) && g:NERDTreeMarkBookmarks == 1
+    if !empty(self._bookmarkNames) && g:NERDTreeMarkBookmarks ==# 1
         let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' {' . join(self._bookmarkNames) . '}'
     endif
 
@@ -87,22 +87,22 @@ function! s:Path.changeToDir()
     endif
 
     try
-        if g:NERDTreeUseTCD && exists(":tcd") == 2
+        if g:NERDTreeUseTCD && exists(':tcd') ==# 2
-            execute "tcd " . dir
+            execute 'tcd ' . dir
             call nerdtree#echo("Tab's CWD is now: " . getcwd())
         else
-            execute "cd " . dir
+            execute 'cd ' . dir
-            call nerdtree#echo("CWD is now: " . getcwd())
+            call nerdtree#echo('CWD is now: ' . getcwd())
         endif
     catch
-        throw "NERDTree.PathChangeError: cannot change CWD to " . dir
+        throw 'NERDTree.PathChangeError: cannot change CWD to ' . dir
     endtry
 endfunction
 
 " FUNCTION: Path.compareTo() {{{1
 "
 " Compares this Path to the given path and returns 0 if they are equal, -1 if
-" this Path is "less than" the given path, or 1 if it is "greater".
+" this Path is 'less than' the given path, or 1 if it is 'greater'.
 "
 " Args:
 " path: the path object to compare this to
@@ -188,7 +188,7 @@ endfunction
 " dest: the location to copy this dir/file to
 function! s:Path.copy(dest)
     if !s:Path.CopyingSupported()
-        throw "NERDTree.CopyingNotSupportedError: Copying is not supported on this OS"
+        throw 'NERDTree.CopyingNotSupportedError: Copying is not supported on this OS'
     endif
 
     call s:Path.createParentDirectories(a:dest)
@@ -199,10 +199,10 @@ function! s:Path.copy(dest)
         let cmd_prefix = (self.isDirectory ? g:NERDTreeCopyDirCmd : g:NERDTreeCopyFileCmd)
     endif
 
-    let cmd = cmd_prefix . " " . escape(self.str(), self._escChars()) . " " . escape(a:dest, self._escChars())
+    let cmd = cmd_prefix . ' ' . escape(self.str(), self._escChars()) . ' ' . escape(a:dest, self._escChars())
     let success = system(cmd)
-    if v:shell_error != 0
+    if v:shell_error !=# 0
-        throw "NERDTree.CopyError: Could not copy ''". self.str() ."'' to: '" . a:dest . "'"
+        throw "NERDTree.CopyError: Could not copy '". self.str() ."' to: '" . a:dest . "'"
     endif
 endfunction
 
@@ -258,7 +258,7 @@ function! s:Path.delete()
         let cmd = g:NERDTreeRemoveDirCmd . self.str({'escape': 1})
         let success = system(cmd)
 
-        if v:shell_error != 0
+        if v:shell_error !=# 0
             throw "NERDTree.PathDeletionError: Could not delete directory: '" . self.str() . "'"
         endif
     else
@@ -269,7 +269,7 @@ function! s:Path.delete()
             let success = delete(self.str())
         endif
 
-        if success != 0
+        if success !=# 0
             throw "NERDTree.PathDeletionError: Could not delete file: '" . self.str() . "'"
         endif
     endif
@@ -286,7 +286,7 @@ endfunction
 " Returns a string that specifies how the path should be represented as a
 " string
 function! s:Path.displayString()
-    if self.cachedDisplayString ==# ""
+    if self.cachedDisplayString ==# ''
         call self.cacheDisplayString()
     endif
 
@@ -295,7 +295,7 @@ endfunction
 
 " FUNCTION: Path.edit() {{{1
 function! s:Path.edit()
-    exec "edit " . self.str({'format': 'Edit'})
+    exec 'edit ' . self.str({'format': 'Edit'})
 endfunction
 
 " FUNCTION: Path.extractDriveLetter(fullpath) {{{1
@@ -303,10 +303,10 @@ endfunction
 " If running windows, cache the drive letter for this path
 function! s:Path.extractDriveLetter(fullpath)
     if nerdtree#runningWindows()
-        if a:fullpath =~ '^\(\\\\\|\/\/\)'
+        if a:fullpath =~# '^\(\\\\\|\/\/\)'
             "For network shares, the 'drive' consists of the first two parts of the path, i.e. \\boxname\share
             let self.drive = substitute(a:fullpath, '^\(\(\\\\\|\/\/\)[^\\\/]*\(\\\|\/\)[^\\\/]*\).*', '\1', '')
-            let self.drive = substitute(self.drive, '/', '\', "g")
+            let self.drive = substitute(self.drive, '/', '\', 'g')
         else
             let self.drive = substitute(a:fullpath, '\(^[a-zA-Z]:\).*', '\1', '')
         endif
@@ -402,7 +402,7 @@ function! s:Path._splitChunks(path)
     let i = 0
     while i < len(chunks)
         "convert number literals to numbers
-        if match(chunks[i], '^\d\+$') == 0
+        if match(chunks[i], '^\d\+$') ==# 0
             let chunks[i] = str2nr(chunks[i])
         endif
         let i = i + 1
@@ -413,21 +413,21 @@ endfunction
 " FUNCTION: Path.getSortKey() {{{1
 " returns a key used in compare function for sorting
 function! s:Path.getSortKey()
-    if !exists("self._sortKey") || g:NERDTreeSortOrder !=# g:NERDTreeOldSortOrder
+    if !exists('self._sortKey') || g:NERDTreeSortOrder !=# g:NERDTreeOldSortOrder
         " Look for file metadata tags: [[timestamp]], [[extension]], [[size]]
         let metadata = []
         for tag in g:NERDTreeSortOrder
             if tag =~? '\[\[-\?timestamp\]\]'
-                let metadata += [self.isDirectory ? 0 : getftime(self.str()) * (tag =~ '-' ? -1 : 1)]
+                let metadata += [self.isDirectory ? 0 : getftime(self.str()) * (tag =~# '-' ? -1 : 1)]
             elseif tag =~? '\[\[-\?size\]\]'
-                let metadata += [self.isDirectory ? 0 : getfsize(self.str()) * (tag =~ '-' ? -1 : 1)]
+                let metadata += [self.isDirectory ? 0 : getfsize(self.str()) * (tag =~# '-' ? -1 : 1)]
             elseif tag =~? '\[\[extension\]\]'
                 let extension = matchstr(self.getLastPathComponent(0), '[^.]\+\.\zs[^.]\+$')
-                let metadata += [self.isDirectory ? '' : (extension == '' ? nr2char(str2nr('0x10ffff',16)) : extension)]
+                let metadata += [self.isDirectory ? '' : (extension ==# '' ? nr2char(str2nr('0x10ffff',16)) : extension)]
             endif
         endfor
 
-        if g:NERDTreeSortOrder[0] =~ '\[\[.*\]\]'
+        if g:NERDTreeSortOrder[0] =~# '\[\[.*\]\]'
             " Apply tags' sorting first if specified first.
             let self._sortKey = metadata + [self.getSortOrderIndex()]
         else
@@ -501,7 +501,7 @@ function! s:Path.ignore(nerdtree)
         endfor
 
         for Callback in g:NERDTree.PathFilters()
-            let Callback = type(Callback) == type(function("tr")) ? Callback : function(Callback)
+            let Callback = type(Callback) ==# type(function('tr')) ? Callback : function(Callback)
             if Callback({'path': self, 'nerdtree': a:nerdtree})
                 return 1
             endif
@@ -524,12 +524,12 @@ endfunction
 " returns true if this path matches the given ignore pattern
 function! s:Path._ignorePatternMatches(pattern)
     let pat = a:pattern
-    if strpart(pat,len(pat)-7) == '[[dir]]'
+    if strpart(pat,len(pat)-7) ==# '[[dir]]'
         if !self.isDirectory
             return 0
         endif
         let pat = strpart(pat,0, len(pat)-7)
-    elseif strpart(pat,len(pat)-8) == '[[file]]'
+    elseif strpart(pat,len(pat)-8) ==# '[[file]]'
         if self.isDirectory
             return 0
         endif
@@ -550,19 +550,19 @@ function! s:Path.isAncestor(path)
 
     let this = self.str()
     let that = a:path.str()
-    return stridx(that, this) == 0
+    return stridx(that, this) ==# 0
 endfunction
 
 " FUNCTION: Path.isUnder(path) {{{1
 " return 1 if this path is somewhere under the given path in the filesystem.
 function! s:Path.isUnder(path)
-    if a:path.isDirectory == 0
+    if a:path.isDirectory ==# 0
         return 0
     endif
 
     let this = self.str()
     let that = a:path.str()
-    return stridx(this, that . s:Path.Slash()) == 0
+    return stridx(this, that . s:Path.Slash()) ==# 0
 endfunction
 
 " FUNCTION: Path.JoinPathStrings(...) {{{1
@@ -637,8 +637,8 @@ function! s:Path.readInfoFromDisk(fullpath)
 
     let fullpath = s:Path.WinToUnixPath(a:fullpath)
 
-    if getftype(fullpath) ==# "fifo"
+    if getftype(fullpath) ==# 'fifo'
-        throw "NERDTree.InvalidFiletypeError: Cant handle FIFO files: " . a:fullpath
+        throw 'NERDTree.InvalidFiletypeError: Cant handle FIFO files: ' . a:fullpath
     endif
 
     let self.pathSegments = filter(split(fullpath, '/'), '!empty(v:val)')
@@ -650,7 +650,7 @@ function! s:Path.readInfoFromDisk(fullpath)
         let self.isDirectory = 0
         let self.isReadOnly = filewritable(a:fullpath) ==# 0
     else
-        throw "NERDTree.InvalidArgumentsError: Invalid path = " . a:fullpath
+        throw 'NERDTree.InvalidArgumentsError: Invalid path = ' . a:fullpath
     endif
 
     let self.isExecutable = 0
@@ -665,7 +665,7 @@ function! s:Path.readInfoFromDisk(fullpath)
     let hardPath = s:Path.Resolve(self.strTrunk()) . '/' . lastPathComponent
 
     "if  the last part of the path is a symlink then flag it as such
-    let self.isSymLink = (s:Path.Resolve(hardPath) != hardPath)
+    let self.isSymLink = (s:Path.Resolve(hardPath) !=# hardPath)
     if self.isSymLink
         let self.symLinkDest = s:Path.Resolve(fullpath)
 
@@ -700,13 +700,13 @@ endfunction
 " Renames this node on the filesystem
 function! s:Path.rename(newPath)
     if a:newPath ==# ''
-        throw "NERDTree.InvalidArgumentsError: Invalid newPath for renaming = ". a:newPath
+        throw 'NERDTree.InvalidArgumentsError: Invalid newPath for renaming = '. a:newPath
     endif
 
     call s:Path.createParentDirectories(a:newPath)
 
     let success =  rename(self.str(), a:newPath)
-    if success != 0
+    if success !=# 0
         throw "NERDTree.PathRenameError: Could not rename: '" . self.str() . "'" . 'to:' . a:newPath
     endif
     call self.readInfoFromDisk(a:newPath)
@@ -742,7 +742,7 @@ endfunction
 " value associated with 'truncateTo'. A '<' is prepended.
 function! s:Path.str(...)
     let options = a:0 ? a:1 : {}
-    let toReturn = ""
+    let toReturn = ''
 
     if has_key(options, 'format')
         let format = options['format']
@@ -779,7 +779,7 @@ endfunction
 " FUNCTION: Path._strForUI() {{{1
 function! s:Path._strForUI()
     let toReturn = '/' . join(self.pathSegments, '/')
-    if self.isDirectory && toReturn != '/'
+    if self.isDirectory && toReturn !=# '/'
         let toReturn  = toReturn . '/'
     endif
     return toReturn
@@ -802,7 +802,7 @@ function! s:Path._strForEdit()
 
     " On Windows, the drive letter may be removed by "fnamemodify()".  Add it
     " back, if necessary.
-    if nerdtree#runningWindows() && l:result[0] == s:Path.Slash()
+    if nerdtree#runningWindows() && l:result[0] ==# s:Path.Slash()
         let l:result = self.drive . l:result
     endif
 
@@ -883,13 +883,13 @@ function! s:Path.WinToUnixPath(pathstr)
     let toReturn = a:pathstr
 
     "remove the x:\ of the front
-    let toReturn = substitute(toReturn, '^.*:\(\\\|/\)\?', '/', "")
+    let toReturn = substitute(toReturn, '^.*:\(\\\|/\)\?', '/', '')
 
     "remove the \\ network share from the front
-    let toReturn = substitute(toReturn, '^\(\\\\\|\/\/\)[^\\\/]*\(\\\|\/\)[^\\\/]*\(\\\|\/\)\?', '/', "")
+    let toReturn = substitute(toReturn, '^\(\\\\\|\/\/\)[^\\\/]*\(\\\|\/\)[^\\\/]*\(\\\|\/\)\?', '/', '')
 
     "convert all \ chars to /
-    let toReturn = substitute(toReturn, '\', '/', "g")
+    let toReturn = substitute(toReturn, '\', '/', 'g')
 
     return toReturn
 endfunction

sources_non_forked/nerdtree/lib/nerdtree/tree_dir_node.vim

@@ -14,7 +14,7 @@ let g:NERDTreeDirNode = s:TreeDirNode
 " Class method that returns the highest cached ancestor of the current root.
 function! s:TreeDirNode.AbsoluteTreeRoot()
     let currentNode = b:NERDTree.root
-    while currentNode.parent != {}
+    while currentNode.parent !=# {}
         let currentNode = currentNode.parent
     endwhile
     return currentNode
@@ -100,7 +100,7 @@ function! s:TreeDirNode.displayString()
     let l:cascade = self.getCascade()
     for l:dirNode in l:cascade
         let l:next = l:dirNode.path.displayString()
-        let l:label .= l:label == '' ? l:next : substitute(l:next,'^.','','')
+        let l:label .= l:label ==# '' ? l:next : substitute(l:next,'^.','','')
     endfor
 
     " Select the appropriate open/closed status indicator symbol.
@@ -133,7 +133,7 @@ function! s:TreeDirNode.findNode(path)
     if self.path.isDirectory
         for i in self.children
             let retVal = i.findNode(a:path)
-            if retVal != {}
+            if retVal !=# {}
                 return retVal
             endif
         endfor
@@ -169,7 +169,7 @@ function! s:TreeDirNode.getCascadeRoot()
 
     while !empty(l:parent) && !l:parent.isRoot()
 
-        if index(l:parent.getCascade(), self) == -1
+        if index(l:parent.getCascade(), self) ==# -1
             break
         endif
 
@@ -218,7 +218,7 @@ endfunction
 function! s:TreeDirNode.getChildByIndex(indx, visible)
     let array_to_search = a:visible? self.getVisibleChildren() : self.children
     if a:indx > len(array_to_search)
-        throw "NERDTree.InvalidArgumentsError: Index is out of bounds."
+        throw 'NERDTree.InvalidArgumentsError: Index is out of bounds.'
     endif
     return array_to_search[a:indx]
 endfunction
@@ -255,10 +255,10 @@ function! s:TreeDirNode.getChildIndex(path)
 endfunction
 
 " FUNCTION: TreeDirNode.getDirChildren() {{{1
-" Return a list of all child nodes from "self.children" that are of type
+" Return a list of all child nodes from 'self.children' that are of type
 " TreeDirNode. This function supports http://github.com/scrooloose/nerdtree-project-plugin.git.
 function! s:TreeDirNode.getDirChildren()
-    return filter(copy(self.children), 'v:val.path.isDirectory == 1')
+    return filter(copy(self.children), 'v:val.path.isDirectory ==# 1')
 endfunction
 
 " FUNCTION: TreeDirNode._glob(pattern, all) {{{1
@@ -267,7 +267,7 @@ endfunction
 "
 " Args:
 " pattern: (string) the glob pattern to apply
-" all: (0 or 1) if 1, include "." and ".." if they match "pattern"; if 0,
+" all: (0 or 1) if 1, include '.' and '..' if they match 'pattern'; if 0,
 "      always exclude them
 "
 " Note: If the pathnames in the result list are below the working directory,
@@ -276,28 +276,28 @@ endfunction
 " relative paths.
 function! s:TreeDirNode._glob(pattern, all)
 
-    " Construct a path specification such that "globpath()" will return
+    " Construct a path specification such that globpath() will return
     " relative pathnames, if possible.
-    if self.path.str() == getcwd()
+    if self.path.str() ==# getcwd()
         let l:pathSpec = ','
     else
         let l:pathSpec = escape(fnamemodify(self.path.str({'format': 'Glob'}), ':.'), ',')
 
-        " On Windows, the drive letter may be removed by "fnamemodify()".
+        " On Windows, the drive letter may be removed by fnamemodify().
-        if nerdtree#runningWindows() && l:pathSpec[0] == g:NERDTreePath.Slash()
+        if nerdtree#runningWindows() && l:pathSpec[0] ==# g:NERDTreePath.Slash()
             let l:pathSpec = self.path.drive . l:pathSpec
         endif
     endif
 
     let l:globList = []
 
-    " See ":h version7.txt" and ":h version8.txt" for details on the
+    " See ':h version7.txt' and ':h version8.txt' for details on the
-    " development of the "glob()" and "globpath()" functions.
+    " development of the glob() and globpath() functions.
-    if v:version > 704 || (v:version == 704 && has('patch654'))
+    if v:version > 704 || (v:version ==# 704 && has('patch654'))
         let l:globList = globpath(l:pathSpec, a:pattern, !g:NERDTreeRespectWildIgnore, 1, 0)
-    elseif v:version == 704 && has('patch279')
+    elseif v:version ==# 704 && has('patch279')
         let l:globList = globpath(l:pathSpec, a:pattern, !g:NERDTreeRespectWildIgnore, 1)
-    elseif v:version > 702 || (v:version == 702 && has('patch051'))
+    elseif v:version > 702 || (v:version ==# 702 && has('patch051'))
         let l:globString = globpath(l:pathSpec, a:pattern, !g:NERDTreeRespectWildIgnore)
         let l:globList = split(l:globString, "\n")
     else
@@ -305,7 +305,7 @@ function! s:TreeDirNode._glob(pattern, all)
         let l:globList = split(l:globString, "\n")
     endif
 
-    " If "a:all" is false, filter "." and ".." from the output.
+    " If a:all is false, filter '.' and '..' from the output.
     if !a:all
         let l:toRemove = []
 
@@ -315,13 +315,13 @@ function! s:TreeDirNode._glob(pattern, all)
             " If l:file has a trailing slash, then its :tail will be ''. Use
             " :h to drop the slash and the empty string after it; then use :t
             " to get the directory name.
-            if l:tail == ''
+            if l:tail ==# ''
                 let l:tail = fnamemodify(l:file, ':h:t')
             endif
 
-            if l:tail == '.' || l:tail == '..'
+            if l:tail ==# '.' || l:tail ==# '..'
                 call add(l:toRemove, l:file)
-                if len(l:toRemove) == 2
+                if len(l:toRemove) ==# 2
                     break
                 endif
             endif
@@ -341,7 +341,7 @@ endfunction
 unlet s:TreeDirNode.GetSelected
 function! s:TreeDirNode.GetSelected()
     let currentDir = g:NERDTreeFileNode.GetSelected()
-    if currentDir != {} && !currentDir.isRoot()
+    if currentDir !=# {} && !currentDir.isRoot()
         if currentDir.path.isDirectory ==# 0
             let currentDir = currentDir.parent
         endif
@@ -373,7 +373,7 @@ endfunction
 " FUNCTION: TreeDirNode.hasVisibleChildren() {{{1
 " returns 1 if this node has any childre, 0 otherwise..
 function! s:TreeDirNode.hasVisibleChildren()
-    return self.getVisibleChildCount() != 0
+    return self.getVisibleChildCount() !=# 0
 endfunction
 
 " FUNCTION: TreeDirNode.isCascadable() {{{1
@@ -383,7 +383,7 @@ endfunction
 "  2. If the parent is a symlink or is bookmarked, you end up with unparsable
 "     text, and NERDTree cannot get the path of any child node.
 function! s:TreeDirNode.isCascadable()
-    if g:NERDTreeCascadeSingleChildDir == 0
+    if g:NERDTreeCascadeSingleChildDir ==# 0
         return 0
     endif
 
@@ -398,14 +398,14 @@ function! s:TreeDirNode.isCascadable()
     endfor
 
     let c = self.getVisibleChildren()
-    return len(c) == 1 && c[0].path.isDirectory
+    return len(c) ==# 1 && c[0].path.isDirectory
 endfunction
 
 " FUNCTION: TreeDirNode._initChildren() {{{1
 " Removes all childen from this node and re-reads them
 "
 " Args:
-" silent: 1 if the function should not echo any "please wait" messages for
+" silent: 1 if the function should not echo any 'please wait' messages for
 " large directories
 "
 " Return: the number of child nodes read
@@ -416,7 +416,7 @@ function! s:TreeDirNode._initChildren(silent)
     let files = self._glob('*', 1) + self._glob('.*', 0)
 
     if !a:silent && len(files) > g:NERDTreeNotificationThreshold
-        call nerdtree#echo("Please wait, caching a large dir ...")
+        call nerdtree#echo('Please wait, caching a large dir ...')
     endif
 
     let invalidFilesFound = 0
@@ -432,10 +432,10 @@ function! s:TreeDirNode._initChildren(silent)
 
     call self.sortChildren()
 
-    call nerdtree#echo("")
+    call nerdtree#echo('')
 
     if invalidFilesFound
-        call nerdtree#echoWarning(invalidFilesFound . " file(s) could not be loaded into the NERD tree")
+        call nerdtree#echoWarning(invalidFilesFound . ' file(s) could not be loaded into the NERD tree')
     endif
     return self.getChildCount()
 endfunction
@@ -447,8 +447,8 @@ endfunction
 " path: dir that the node represents
 " nerdtree: the tree the node belongs to
 function! s:TreeDirNode.New(path, nerdtree)
-    if a:path.isDirectory != 1
+    if a:path.isDirectory !=# 1
-        throw "NERDTree.InvalidArgumentsError: A TreeDirNode object must be instantiated with a directory Path object."
+        throw 'NERDTree.InvalidArgumentsError: A TreeDirNode object must be instantiated with a directory Path object.'
     endif
 
     let newTreeNode = copy(self)
@@ -510,7 +510,7 @@ function! s:TreeDirNode.openAlong(...)
     while node.path.isDirectory
         call node.open(opts)
         let level += 1
-        if node.getVisibleChildCount() == 1
+        if node.getVisibleChildCount() ==# 1
             let node = node.getChildByIndex(0, 1)
         else
             break
@@ -523,8 +523,8 @@ endfunction
 " Open an explorer window for this node in the previous window. The explorer
 " can be a NERDTree window or a netrw window.
 function! s:TreeDirNode.openExplorer()
-    execute "wincmd p"
+    execute 'wincmd p'
-    execute "edit ".self.path.str({'format':'Edit'})
+    execute 'edit '.self.path.str({'format':'Edit'})
 endfunction
 
 " FUNCTION: TreeDirNode.openInNewTab(options) {{{1
@@ -567,7 +567,7 @@ function! s:TreeDirNode.refresh()
                 "create a new path and see if it exists in this nodes children
                 let path = g:NERDTreePath.New(i)
                 let newNode = self.getChild(path)
-                if newNode != {}
+                if newNode !=# {}
                     call newNode.refresh()
                     call add(newChildNodes, newNode)
 
@@ -587,7 +587,7 @@ function! s:TreeDirNode.refresh()
         call self.sortChildren()
 
         if invalidFilesFound
-            call nerdtree#echoWarning("some files could not be loaded into the NERD tree")
+            call nerdtree#echoWarning('some files could not be loaded into the NERD tree')
         endif
     endif
 endfunction
@@ -614,7 +614,7 @@ function! s:TreeDirNode.reveal(path, ...)
     let opts = a:0 ? a:1 : {}
 
     if !a:path.isUnder(self.path)
-        throw "NERDTree.InvalidArgumentsError: " . a:path.str() . " should be under " . self.path.str()
+        throw 'NERDTree.InvalidArgumentsError: ' . a:path.str() . ' should be under ' . self.path.str()
     endif
 
     call self.open()
@@ -622,11 +622,11 @@ function! s:TreeDirNode.reveal(path, ...)
     if self.path.equals(a:path.getParent())
         let n = self.findNode(a:path)
         " We may be looking for a newly-saved file that isn't in the tree yet.
-        if n == {}
+        if n ==# {}
             call self.refresh()
             let n = self.findNode(a:path)
         endif
-        if has_key(opts, "open")
+        if has_key(opts, 'open')
             call n.open()
         endif
         return n
@@ -642,8 +642,8 @@ function! s:TreeDirNode.reveal(path, ...)
 endfunction
 
 " FUNCTION: TreeDirNode.removeChild(treenode) {{{1
-" Remove the given treenode from "self.children".
+" Remove the given treenode from self.children.
-" Throws "NERDTree.ChildNotFoundError" if the node is not found.
+" Throws NERDTree.ChildNotFoundError if the node is not found.
 "
 " Args:
 " treenode: the node object to remove
@@ -655,16 +655,16 @@ function! s:TreeDirNode.removeChild(treenode)
         endif
     endfor
 
-    throw "NERDTree.ChildNotFoundError: child node was not found"
+    throw 'NERDTree.ChildNotFoundError: child node was not found'
 endfunction
 
 " FUNCTION: TreeDirNode.sortChildren() {{{1
-" Sort "self.children" by alphabetical order and directory priority.
+" Sort self.children by alphabetical order and directory priority.
 function! s:TreeDirNode.sortChildren()
     if count(g:NERDTreeSortOrder, '*') < 1
         call add(g:NERDTreeSortOrder, '*')
     endif
-    let CompareFunc = function("nerdtree#compareNodesBySortKey")
+    let CompareFunc = function('nerdtree#compareNodesBySortKey')
     call sort(self.children, CompareFunc)
     let g:NERDTreeOldSortOrder = g:NERDTreeSortOrder
 endfunction
@@ -676,7 +676,7 @@ function! s:TreeDirNode.toggleOpen(...)
     if self.isOpen ==# 1
         call self.close()
     else
-        if g:NERDTreeCascadeOpenSingleChildDir == 0
+        if g:NERDTreeCascadeOpenSingleChildDir ==# 0
             call self.open(opts)
         else
             call self.openAlong(opts)

sources_non_forked/nerdtree/lib/nerdtree/tree_file_node.vim

@@ -1,7 +1,7 @@
 " ============================================================================
 " CLASS: TreeFileNode
 "
-" This class is the parent of the "TreeDirNode" class and is the "Component"
+" This class is the parent of the TreeDirNode class and is the 'Component'
 " part of the composite design pattern between the NERDTree node classes.
 " ============================================================================
 
@@ -42,7 +42,7 @@ function! s:TreeFileNode.cacheParent()
     if empty(self.parent)
         let parentPath = self.path.getParent()
         if parentPath.equals(self.path)
-            throw "NERDTree.CannotCacheParentError: already at root"
+            throw 'NERDTree.CannotCacheParentError: already at root'
         endif
         let self.parent = s:TreeFileNode.New(parentPath, self.getNerdtree())
     endif
@@ -195,7 +195,7 @@ endfunction
 " FUNCTION: TreeFileNode.isRoot() {{{1
 function! s:TreeFileNode.isRoot()
     if !g:NERDTree.ExistsForBuf()
-        throw "NERDTree.NoTreeError: No tree exists for the current buffer"
+        throw 'NERDTree.NoTreeError: No tree exists for the current buffer'
     endif
 
     return self.equals(self.getNerdtree().root)
@@ -248,8 +248,8 @@ endfunction
 
 " FUNCTION: TreeFileNode.openExplorer()
 function! s:TreeFileNode.openExplorer()
-    execute "wincmd p"
+    execute 'wincmd p'
-    execute "edit ".self.path.getParent().str({'format':'Edit'})
+    execute 'edit '.self.path.getParent().str({'format':'Edit'})
 endfunction
 
 " FUNCTION: TreeFileNode.putCursorHere(isJump, recurseUpward){{{1
@@ -265,7 +265,7 @@ function! s:TreeFileNode.putCursorHere(isJump, recurseUpward)
         if a:isJump
             mark '
         endif
-        call cursor(ln, col("."))
+        call cursor(ln, col('.'))
     else
         if a:recurseUpward
             let node = self
@@ -317,7 +317,7 @@ endfunction
 " child nodes are rendered only)
 " for each depth in the tree
 function! s:TreeFileNode._renderToString(depth, drawText)
-    let output = ""
+    let output = ''
     if a:drawText ==# 1
 
         let treeParts = repeat('  ', a:depth - 1)

sources_non_forked/nerdtree/lib/nerdtree/ui.vim

@@ -27,94 +27,94 @@ function! s:UI._dumpHelp()
         let help  = "\" NERDTree (" . nerdtree#version() . ") quickhelp~\n"
         let help .= "\" ============================\n"
         let help .= "\" File node mappings~\n"
-        let help .= "\" ". (g:NERDTreeMouseMode ==# 3 ? "single" : "double") ."-click,\n"
+        let help .= '" '. (g:NERDTreeMouseMode ==# 3 ? 'single' : 'double') ."-click,\n"
         if self.nerdtree.isTabTree()
-            let help .= "\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
+            let help .= '" '. g:NERDTreeMapActivateNode .": open in prev window\n"
         else
-            let help .= "\" ". g:NERDTreeMapActivateNode .": open in current window\n"
+            let help .= '" '. g:NERDTreeMapActivateNode .": open in current window\n"
         endif
         if self.nerdtree.isTabTree()
-            let help .= "\" ". g:NERDTreeMapPreview .": preview\n"
+            let help .= '" '. g:NERDTreeMapPreview .": preview\n"
         endif
-        let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+        let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n"
-        let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+        let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
         let help .= "\" middle-click,\n"
-        let help .= "\" ". g:NERDTreeMapOpenSplit .": open split\n"
+        let help .= '" '. g:NERDTreeMapOpenSplit .": open split\n"
-        let help .= "\" ". g:NERDTreeMapPreviewSplit .": preview split\n"
+        let help .= '" '. g:NERDTreeMapPreviewSplit .": preview split\n"
-        let help .= "\" ". g:NERDTreeMapOpenVSplit .": open vsplit\n"
+        let help .= '" '. g:NERDTreeMapOpenVSplit .": open vsplit\n"
-        let help .= "\" ". g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
+        let help .= '" '. g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
-        let help .= "\" ". g:NERDTreeMapCustomOpen .": custom open\n"
+        let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n"
 
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Directory node mappings~\n"
-        let help .= "\" ". (g:NERDTreeMouseMode ==# 1 ? "double" : "single") ."-click,\n"
+        let help .= '" '. (g:NERDTreeMouseMode ==# 1 ? 'double' : 'single') ."-click,\n"
-        let help .= "\" ". g:NERDTreeMapActivateNode .": open & close node\n"
+        let help .= '" '. g:NERDTreeMapActivateNode .": open & close node\n"
-        let help .= "\" ". g:NERDTreeMapOpenRecursively .": recursively open node\n"
+        let help .= '" '. g:NERDTreeMapOpenRecursively .": recursively open node\n"
-        let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+        let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n"
-        let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+        let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
-        let help .= "\" ". g:NERDTreeMapCustomOpen .": custom open\n"
+        let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n"
-        let help .= "\" ". g:NERDTreeMapCloseDir .": close parent of node\n"
+        let help .= '" '. g:NERDTreeMapCloseDir .": close parent of node\n"
-        let help .= "\" ". g:NERDTreeMapCloseChildren .": close all child nodes of\n"
+        let help .= '" '. g:NERDTreeMapCloseChildren .": close all child nodes of\n"
         let help .= "\"    current node recursively\n"
         let help .= "\" middle-click,\n"
-        let help .= "\" ". g:NERDTreeMapOpenExpl.": explore selected dir\n"
+        let help .= '" '. g:NERDTreeMapOpenExpl.": explore selected dir\n"
 
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Bookmark table mappings~\n"
         let help .= "\" double-click,\n"
-        let help .= "\" ". g:NERDTreeMapActivateNode .": open bookmark\n"
+        let help .= '" '. g:NERDTreeMapActivateNode .": open bookmark\n"
-        let help .= "\" ". g:NERDTreeMapPreview .": preview file\n"
+        let help .= '" '. g:NERDTreeMapPreview .": preview file\n"
-        let help .= "\" ". g:NERDTreeMapPreview .": find dir in tree\n"
+        let help .= '" '. g:NERDTreeMapPreview .": find dir in tree\n"
-        let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+        let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n"
-        let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+        let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
-        let help .= "\" ". g:NERDTreeMapCustomOpen .": custom open\n"
+        let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n"
-        let help .= "\" ". g:NERDTreeMapDeleteBookmark .": delete bookmark\n"
+        let help .= '" '. g:NERDTreeMapDeleteBookmark .": delete bookmark\n"
 
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Tree navigation mappings~\n"
-        let help .= "\" ". g:NERDTreeMapJumpRoot .": go to root\n"
+        let help .= '" '. g:NERDTreeMapJumpRoot .": go to root\n"
-        let help .= "\" ". g:NERDTreeMapJumpParent .": go to parent\n"
+        let help .= '" '. g:NERDTreeMapJumpParent .": go to parent\n"
-        let help .= "\" ". g:NERDTreeMapJumpFirstChild  .": go to first child\n"
+        let help .= '" '. g:NERDTreeMapJumpFirstChild  .": go to first child\n"
-        let help .= "\" ". g:NERDTreeMapJumpLastChild   .": go to last child\n"
+        let help .= '" '. g:NERDTreeMapJumpLastChild   .": go to last child\n"
-        let help .= "\" ". g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
+        let help .= '" '. g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
-        let help .= "\" ". g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
+        let help .= '" '. g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
 
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Filesystem mappings~\n"
-        let help .= "\" ". g:NERDTreeMapChangeRoot .": change tree root to the\n"
+        let help .= '" '. g:NERDTreeMapChangeRoot .": change tree root to the\n"
         let help .= "\"    selected dir\n"
-        let help .= "\" ". g:NERDTreeMapUpdir .": move tree root up a dir\n"
+        let help .= '" '. g:NERDTreeMapUpdir .": move tree root up a dir\n"
-        let help .= "\" ". g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
+        let help .= '" '. g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
         let help .= "\"    but leave old root open\n"
-        let help .= "\" ". g:NERDTreeMapRefresh .": refresh cursor dir\n"
+        let help .= '" '. g:NERDTreeMapRefresh .": refresh cursor dir\n"
-        let help .= "\" ". g:NERDTreeMapRefreshRoot .": refresh current root\n"
+        let help .= '" '. g:NERDTreeMapRefreshRoot .": refresh current root\n"
-        let help .= "\" ". g:NERDTreeMapMenu .": Show menu\n"
+        let help .= '" '. g:NERDTreeMapMenu .": Show menu\n"
-        let help .= "\" ". g:NERDTreeMapChdir .":change the CWD to the\n"
+        let help .= '" '. g:NERDTreeMapChdir .":change the CWD to the\n"
         let help .= "\"    selected dir\n"
-        let help .= "\" ". g:NERDTreeMapCWD .":change tree root to CWD\n"
+        let help .= '" '. g:NERDTreeMapCWD .":change tree root to CWD\n"
 
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Tree filtering mappings~\n"
-        let help .= "\" ". g:NERDTreeMapToggleHidden .": hidden files (" . (self.getShowHidden() ? "on" : "off") . ")\n"
+        let help .= '" '. g:NERDTreeMapToggleHidden .': hidden files (' . (self.getShowHidden() ? 'on' : 'off') . ")\n"
-        let help .= "\" ". g:NERDTreeMapToggleFilters .": file filters (" . (self.isIgnoreFilterEnabled() ? "on" : "off") . ")\n"
+        let help .= '" '. g:NERDTreeMapToggleFilters .': file filters (' . (self.isIgnoreFilterEnabled() ? 'on' : 'off') . ")\n"
-        let help .= "\" ". g:NERDTreeMapToggleFiles .": files (" . (self.getShowFiles() ? "on" : "off") . ")\n"
+        let help .= '" '. g:NERDTreeMapToggleFiles .': files (' . (self.getShowFiles() ? 'on' : 'off') . ")\n"
-        let help .= "\" ". g:NERDTreeMapToggleBookmarks .": bookmarks (" . (self.getShowBookmarks() ? "on" : "off") . ")\n"
+        let help .= '" '. g:NERDTreeMapToggleBookmarks .': bookmarks (' . (self.getShowBookmarks() ? 'on' : 'off') . ")\n"
 
         " add quickhelp entries for each custom key map
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Custom mappings~\n"
         for i in g:NERDTreeKeyMap.All()
             if !empty(i.quickhelpText)
-                let help .= "\" ". i.key .": ". i.quickhelpText ."\n"
+                let help .= '" '. i.key .': '. i.quickhelpText ."\n"
             endif
         endfor
 
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Other mappings~\n"
-        let help .= "\" ". g:NERDTreeMapQuit .": Close the NERDTree window\n"
+        let help .= '" '. g:NERDTreeMapQuit .": Close the NERDTree window\n"
-        let help .= "\" ". g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n"
+        let help .= '" '. g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n"
         let help .= "\"    the NERDTree window\n"
-        let help .= "\" ". g:NERDTreeMapHelp .": toggle help\n"
+        let help .= '" '. g:NERDTreeMapHelp .": toggle help\n"
         let help .= "\"\n\" ----------------------------\n"
         let help .= "\" Bookmark commands~\n"
         let help .= "\" :Bookmark [<name>]\n"
@@ -128,7 +128,7 @@ function! s:UI._dumpHelp()
         let help .= "\" :EditBookmarks\n"
         silent! put =help
     elseif !self.isMinimal()
-        let help ="\" Press ". g:NERDTreeMapHelp ." for help\n"
+        let help ='" Press '. g:NERDTreeMapHelp ." for help\n"
         silent! put =help
     endif
 endfunction
@@ -148,8 +148,8 @@ function! s:UI.New(nerdtree)
 endfunction
 
 " FUNCTION: s:UI.getPath(ln) {{{1
-" Return the "Path" object for the node that is rendered on the given line
+" Return the Path object for the node that is rendered on the given line
-" number.  If the "up a dir" line is selected, return the "Path" object for
+" number.  If the 'up a dir' line is selected, return the Path object for
 " the parent of the root.  Return the empty dictionary if the given line
 " does not reference a tree node.
 function! s:UI.getPath(ln)
@@ -157,7 +157,7 @@ function! s:UI.getPath(ln)
 
     let rootLine = self.getRootLineNum()
 
-    if a:ln == rootLine
+    if a:ln ==# rootLine
         return self.nerdtree.root.path
     endif
 
@@ -174,7 +174,7 @@ function! s:UI.getPath(ln)
     " remove the tree parts and the leading space
     let curFile = self._stripMarkup(line)
 
-    let dir = ""
+    let dir = ''
     let lnum = a:ln
     while lnum > 0
         let lnum = lnum - 1
@@ -182,7 +182,7 @@ function! s:UI.getPath(ln)
         let curLineStripped = self._stripMarkup(curLine)
 
         " have we reached the top of the tree?
-        if lnum == rootLine
+        if lnum ==# rootLine
             let dir = self.nerdtree.root.path.str({'format': 'UI'}) . dir
             break
         endif
@@ -191,7 +191,7 @@ function! s:UI.getPath(ln)
             if lpindent < indent
                 let indent = indent - 1
 
-                let dir = substitute (curLineStripped,'^\\', "", "") . dir
+                let dir = substitute (curLineStripped,'^\\', '', '') . dir
                 continue
             endif
         endif
@@ -219,17 +219,17 @@ function! s:UI.getLineNum(node)
         let l:currentLine = getline(l:lineNumber)
         let l:indentLevel = self._indentLevelFor(l:currentLine)
 
-        if l:indentLevel != l:currentPathComponent
+        if l:indentLevel !=# l:currentPathComponent
             continue
         endif
 
         let l:currentLine = self._stripMarkup(l:currentLine)
         let l:currentPath =  join(l:pathComponents, '/') . '/' . l:currentLine
 
-        " Directories: If the current path "starts with" the full path, then
+        " Directories: If the current path 'starts with' the full path, then
         " either the paths are equal or the line is a cascade containing the
         " full path.
-        if l:fullPath[-1:] == '/' && stridx(l:currentPath, l:fullPath) == 0
+        if l:fullPath[-1:] ==# '/' && stridx(l:currentPath, l:fullPath) ==# 0
             return l:lineNumber
         endif
 
@@ -240,7 +240,7 @@ function! s:UI.getLineNum(node)
 
         " Otherwise: If the full path starts with the current path and the
         " current path is a directory, we add a new path component.
-        if stridx(l:fullPath, l:currentPath) == 0 && l:currentPath[-1:] == '/'
+        if stridx(l:fullPath, l:currentPath) ==# 0 && l:currentPath[-1:] ==# '/'
             let l:currentLine = substitute(l:currentLine, '/\s*$', '', '')
             call add(l:pathComponents, l:currentLine)
             let l:currentPathComponent += 1
@@ -296,7 +296,7 @@ endfunction
 
 " FUNCTION: s:UI.isIgnoreFilterEnabled() {{{1
 function! s:UI.isIgnoreFilterEnabled()
-    return self._ignoreEnabled == 1
+    return self._ignoreEnabled ==# 1
 endfunction
 
 " FUNCTION: s:UI.isMinimal() {{{1
@@ -313,21 +313,21 @@ endfunction
 function! s:UI._renderBookmarks()
 
     if !self.isMinimal()
-        call setline(line(".")+1, ">----------Bookmarks----------")
+        call setline(line('.')+1, '>----------Bookmarks----------')
-        call cursor(line(".")+1, col("."))
+        call cursor(line('.')+1, col('.'))
     endif
 
-    if g:NERDTreeBookmarksSort == 1 || g:NERDTreeBookmarksSort == 2
+    if g:NERDTreeBookmarksSort ==# 1 || g:NERDTreeBookmarksSort ==# 2
         call g:NERDTreeBookmark.SortBookmarksList()
     endif
 
     for i in g:NERDTreeBookmark.Bookmarks()
-        call setline(line(".")+1, i.str())
+        call setline(line('.')+1, i.str())
-        call cursor(line(".")+1, col("."))
+        call cursor(line('.')+1, col('.'))
     endfor
 
-    call setline(line(".")+1, '')
+    call setline(line('.')+1, '')
-    call cursor(line(".")+1, col("."))
+    call cursor(line('.')+1, col('.'))
 endfunction
 
 " FUNCTION: s:UI.restoreScreenState() {{{1
@@ -340,13 +340,13 @@ function! s:UI.restoreScreenState()
     if !has_key(self, '_screenState')
         return
     endif
-    call nerdtree#exec("silent vertical resize " . self._screenState['oldWindowSize'], 1)
+    call nerdtree#exec('silent vertical resize ' . self._screenState['oldWindowSize'], 1)
 
     let old_scrolloff=&scrolloff
     let &scrolloff=0
     call cursor(self._screenState['oldTopLine'], 0)
     normal! zt
-    call setpos(".", self._screenState['oldPos'])
+    call setpos('.', self._screenState['oldPos'])
     let &scrolloff=old_scrolloff
 endfunction
 
@@ -358,10 +358,10 @@ function! s:UI.saveScreenState()
     let self._screenState = {}
     try
         call g:NERDTree.CursorToTreeWin()
-        let self._screenState['oldPos'] = getpos(".")
+        let self._screenState['oldPos'] = getpos('.')
-        let self._screenState['oldTopLine'] = line("w0")
+        let self._screenState['oldTopLine'] = line('w0')
-        let self._screenState['oldWindowSize']= winwidth("")
+        let self._screenState['oldWindowSize']= winwidth('')
-        call nerdtree#exec(win . "wincmd w", 1)
+        call nerdtree#exec(win . 'wincmd w', 1)
     catch
     endtry
 endfunction
@@ -387,9 +387,9 @@ function! s:UI.render()
 
     " remember the top line of the buffer and the current line so we can
     " restore the view exactly how it was
-    let curLine = line(".")
+    let curLine = line('.')
-    let curCol = col(".")
+    let curCol = col('.')
-    let topLine = line("w0")
+    let topLine = line('w0')
 
     " delete all lines in the buffer (being careful not to clobber a register)
     silent 1,$delete _
@@ -398,8 +398,8 @@ function! s:UI.render()
 
     " delete the blank line before the help and add one after it
     if !self.isMinimal()
-        call setline(line(".")+1, "")
+        call setline(line('.')+1, '')
-        call cursor(line(".")+1, col("."))
+        call cursor(line('.')+1, col('.'))
     endif
 
     if self.getShowBookmarks()
@@ -408,14 +408,14 @@ function! s:UI.render()
 
     " add the 'up a dir' line
     if !self.isMinimal()
-        call setline(line(".")+1, s:UI.UpDirLine())
+        call setline(line('.')+1, s:UI.UpDirLine())
-        call cursor(line(".")+1, col("."))
+        call cursor(line('.')+1, col('.'))
     endif
 
     " draw the header line
     let header = self.nerdtree.root.path.str({'format': 'UI', 'truncateTo': winwidth(0)})
-    call setline(line(".")+1, header)
+    call setline(line('.')+1, header)
-    call cursor(line(".")+1, col("."))
+    call cursor(line('.')+1, col('.'))
 
     " draw the tree
     silent put =self.nerdtree.root.renderToString()
@@ -443,13 +443,13 @@ function! s:UI.renderViewSavingPosition()
 
     " go up the tree till we find a node that will be visible or till we run
     " out of nodes
-    while currentNode != {} && !currentNode.isVisible() && !currentNode.isRoot()
+    while currentNode !=# {} && !currentNode.isVisible() && !currentNode.isRoot()
         let currentNode = currentNode.parent
     endwhile
 
     call self.render()
 
-    if currentNode != {}
+    if currentNode !=# {}
         call currentNode.putCursorHere(0, 0)
     endif
 endfunction
@@ -507,12 +507,12 @@ endfunction
 " FUNCTION: s:UI.toggleZoom() {{{1
 " zoom (maximize/minimize) the NERDTree window
 function! s:UI.toggleZoom()
-    if exists("b:NERDTreeZoomed") && b:NERDTreeZoomed
+    if exists('b:NERDTreeZoomed') && b:NERDTreeZoomed
-        let size = exists("b:NERDTreeOldWindowSize") ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
+        let size = exists('b:NERDTreeOldWindowSize') ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
-        call nerdtree#exec("silent vertical resize ". size, 1)
+        call nerdtree#exec('silent vertical resize '. size, 1)
         let b:NERDTreeZoomed = 0
     else
-        call nerdtree#exec("vertical resize ". get(g:, 'NERDTreeWinSizeMax', ''), 1)
+        call nerdtree#exec('vertical resize '. get(g:, 'NERDTreeWinSizeMax', ''), 1)
         let b:NERDTreeZoomed = 1
     endif
 endfunction

sources_non_forked/nerdtree/nerdtree_plugin/exec_menuitem.vim

@@ -9,7 +9,7 @@
 "              See http://sam.zoy.org/wtfpl/COPYING for more details.
 "
 " ============================================================================
-if exists("g:loaded_nerdtree_exec_menuitem")
+if exists('g:loaded_nerdtree_exec_menuitem')
     finish
 endif
 let g:loaded_nerdtree_exec_menuitem = 1
@@ -32,9 +32,9 @@ function! NERDTreeExecFile()
     let cmd = treenode.path.str({'escape': 1})
     let cmd = input(':!', cmd . ' ')
 
-    if cmd != ''
+    if cmd !=# ''
         exec ':!' . cmd
     else
-        echo "Aborted"
+        echo 'Aborted'
     endif
 endfunction

sources_non_forked/nerdtree/nerdtree_plugin/fs_menu.vim

@@ -9,13 +9,13 @@
 "              See http://sam.zoy.org/wtfpl/COPYING for more details.
 "
 " ============================================================================
-if exists("g:loaded_nerdtree_fs_menu")
+if exists('g:loaded_nerdtree_fs_menu')
     finish
 endif
 let g:loaded_nerdtree_fs_menu = 1
 
 "Automatically delete the buffer after deleting or renaming a file
-if !exists("g:NERDTreeAutoDeleteBuffer")
+if !exists('g:NERDTreeAutoDeleteBuffer')
     let g:NERDTreeAutoDeleteBuffer = 0
 endif
 
@@ -23,13 +23,13 @@ call NERDTreeAddMenuItem({'text': '(a)dd a childnode', 'shortcut': 'a', 'callbac
 call NERDTreeAddMenuItem({'text': '(m)ove the current node', 'shortcut': 'm', 'callback': 'NERDTreeMoveNode'})
 call NERDTreeAddMenuItem({'text': '(d)elete the current node', 'shortcut': 'd', 'callback': 'NERDTreeDeleteNode'})
 
-if has("gui_mac") || has("gui_macvim") || has("mac")
+if has('gui_mac') || has('gui_macvim') || has('mac')
     call NERDTreeAddMenuItem({'text': '(r)eveal in Finder the current node', 'shortcut': 'r', 'callback': 'NERDTreeRevealInFinder'})
     call NERDTreeAddMenuItem({'text': '(o)pen the current node with system editor', 'shortcut': 'o', 'callback': 'NERDTreeExecuteFile'})
     call NERDTreeAddMenuItem({'text': '(q)uicklook the current node', 'shortcut': 'q', 'callback': 'NERDTreeQuickLook'})
 endif
 
-if executable("xdg-open")
+if executable('xdg-open')
     call NERDTreeAddMenuItem({'text': '(r)eveal the current node in file manager', 'shortcut': 'r', 'callback': 'NERDTreeRevealFileLinux'})
     call NERDTreeAddMenuItem({'text': '(o)pen the current node with system editor', 'shortcut': 'o', 'callback': 'NERDTreeExecuteFileLinux'})
 endif
@@ -37,9 +37,9 @@ endif
 if g:NERDTreePath.CopyingSupported()
     call NERDTreeAddMenuItem({'text': '(c)opy the current node', 'shortcut': 'c', 'callback': 'NERDTreeCopyNode'})
 endif
-call NERDTreeAddMenuItem({'text': (has("clipboard")?'copy (p)ath to clipboard':'print (p)ath to screen'), 'shortcut': 'p', 'callback': 'NERDTreeCopyPath'})
+call NERDTreeAddMenuItem({'text': (has('clipboard')?'copy (p)ath to clipboard':'print (p)ath to screen'), 'shortcut': 'p', 'callback': 'NERDTreeCopyPath'})
 
-if has("unix") || has("osx")
+if has('unix') || has('osx')
     call NERDTreeAddMenuItem({'text': '(l)ist the current node', 'shortcut': 'l', 'callback': 'NERDTreeListNode'})
 else
     call NERDTreeAddMenuItem({'text': '(l)ist the current node', 'shortcut': 'l', 'callback': 'NERDTreeListNodeWin32'})
@@ -51,37 +51,37 @@ endif
 "Args:
 "action: the action that is being performed, e.g. 'delete'
 function! s:inputPrompt(action)
-    if a:action == "add"
+    if a:action ==# 'add'
-        let title = "Add a childnode"
+        let title = 'Add a childnode'
         let info = "Enter the dir/file name to be created. Dirs end with a '/'"
-        let minimal = "Add node:"
+        let minimal = 'Add node:'
 
-    elseif a:action == "copy"
+    elseif a:action ==# 'copy'
-        let title = "Copy the current node"
+        let title = 'Copy the current node'
-        let info = "Enter the new path to copy the node to:"
+        let info = 'Enter the new path to copy the node to:'
-        let minimal = "Copy to:"
+        let minimal = 'Copy to:'
 
-    elseif a:action == "delete"
+    elseif a:action ==# 'delete'
-        let title = "Delete the current node"
+        let title = 'Delete the current node'
-        let info = "Are you sure you wish to delete the node:"
+        let info = 'Are you sure you wish to delete the node:'
-        let minimal = "Delete?"
+        let minimal = 'Delete?'
 
-    elseif a:action == "deleteNonEmpty"
+    elseif a:action ==# 'deleteNonEmpty'
-        let title = "Delete the current node"
+        let title = 'Delete the current node'
         let info =  "STOP! Directory is not empty! To delete, type 'yes'"
-        let minimal = "Delete directory?"
+        let minimal = 'Delete directory?'
 
-    elseif a:action == "move"
+    elseif a:action ==# 'move'
-        let title = "Rename the current node"
+        let title = 'Rename the current node'
-        let info = "Enter the new path for the node:"
+        let info = 'Enter the new path for the node:'
-        let minimal = "Move to:"
+        let minimal = 'Move to:'
     endif
 
     if g:NERDTreeMenuController.isMinimal()
         redraw! " Clear the menu
-        return minimal . " "
+        return minimal . ' '
     else
-        let divider = "=========================================================="
+        let divider = '=========================================================='
         return title . "\n" . divider . "\n" . info . "\n"
     end
 endfunction
@@ -114,14 +114,14 @@ function! s:promptToDelBuffer(bufnum, msg)
             let l:listedBufferCount = 0
         endif
         if l:listedBufferCount > 1
-            call nerdtree#exec("tabdo windo if winbufnr(0) == " . a:bufnum . " | exec ':bnext! ' | endif", 1)
+            call nerdtree#exec('tabdo windo if winbufnr(0) ==# ' . a:bufnum . " | exec ':bnext! ' | endif", 1)
         else
-            call nerdtree#exec("tabdo windo if winbufnr(0) == " . a:bufnum . " | exec ':enew! ' | endif", 1)
+            call nerdtree#exec('tabdo windo if winbufnr(0) ==# ' . a:bufnum . " | exec ':enew! ' | endif", 1)
         endif
-        call nerdtree#exec("tabnext " . s:originalTabNumber, 1)
+        call nerdtree#exec('tabnext ' . s:originalTabNumber, 1)
-        call nerdtree#exec(s:originalWindowNumber . "wincmd w", 1)
+        call nerdtree#exec(s:originalWindowNumber . 'wincmd w', 1)
         " 3. We don't need a previous buffer anymore
-        call nerdtree#exec("bwipeout! " . a:bufnum, 0)
+        call nerdtree#exec('bwipeout! ' . a:bufnum, 0)
     endif
 endfunction
 
@@ -141,17 +141,17 @@ function! s:renameBuffer(bufNum, newNodeName, isDirectory)
         let editStr = g:NERDTreePath.New(a:newNodeName).str({'format': 'Edit'})
     endif
     " 1. ensure that a new buffer is loaded
-    call nerdtree#exec("badd " . quotedFileName, 1)
+    call nerdtree#exec('badd ' . quotedFileName, 1)
     " 2. ensure that all windows which display the just deleted filename
     " display a buffer for a new filename.
     let s:originalTabNumber = tabpagenr()
     let s:originalWindowNumber = winnr()
-    call nerdtree#exec("tabdo windo if winbufnr(0) == " . a:bufNum . " | exec ':e! " . editStr . "' | endif", 1)
+    call nerdtree#exec('tabdo windo if winbufnr(0) ==# ' . a:bufNum . " | exec ':e! " . editStr . "' | endif", 1)
-    call nerdtree#exec("tabnext " . s:originalTabNumber, 1)
+    call nerdtree#exec('tabnext ' . s:originalTabNumber, 1)
-    call nerdtree#exec(s:originalWindowNumber . "wincmd w", 1)
+    call nerdtree#exec(s:originalWindowNumber . 'wincmd w', 1)
     " 3. We don't need a previous buffer anymore
     try
-        call nerdtree#exec("confirm bwipeout " . a:bufNum, 0)
+        call nerdtree#exec('confirm bwipeout ' . a:bufNum, 0)
     catch
         " This happens when answering Cancel if confirmation is needed. Do nothing.
     endtry
@@ -160,11 +160,11 @@ endfunction
 "FUNCTION: NERDTreeAddNode(){{{1
 function! NERDTreeAddNode()
     let curDirNode = g:NERDTreeDirNode.GetSelected()
-    let prompt = s:inputPrompt("add")
+    let prompt = s:inputPrompt('add')
-    let newNodeName = input(prompt, curDirNode.path.str() . g:NERDTreePath.Slash(), "file")
+    let newNodeName = input(prompt, curDirNode.path.str() . g:NERDTreePath.Slash(), 'file')
 
     if newNodeName ==# ''
-        call nerdtree#echo("Node Creation Aborted.")
+        call nerdtree#echo('Node Creation Aborted.')
         return
     endif
 
@@ -187,26 +187,26 @@ function! NERDTreeAddNode()
 
         redraw!
     catch /^NERDTree/
-        call nerdtree#echoWarning("Node Not Created.")
+        call nerdtree#echoWarning('Node Not Created.')
     endtry
 endfunction
 
 "FUNCTION: NERDTreeMoveNode(){{{1
 function! NERDTreeMoveNode()
     let curNode = g:NERDTreeFileNode.GetSelected()
-    let prompt = s:inputPrompt("move")
+    let prompt = s:inputPrompt('move')
-    let newNodePath = input(prompt, curNode.path.str(), "file")
+    let newNodePath = input(prompt, curNode.path.str(), 'file')
 
     if newNodePath ==# ''
-        call nerdtree#echo("Node Renaming Aborted.")
+        call nerdtree#echo('Node Renaming Aborted.')
         return
     endif
 
     try
         if curNode.path.isDirectory
-            let l:openBuffers = filter(range(1,bufnr("$")),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") =~# curNode.path.str() . "/.*"')
+            let l:openBuffers = filter(range(1,bufnr('$')),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") =~# curNode.path.str() . "/.*"')
         else
-            let l:openBuffers = filter(range(1,bufnr("$")),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") ==# curNode.path.str()')
+            let l:openBuffers = filter(range(1,bufnr('$')),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") ==# curNode.path.str()')
         endif
 
         call curNode.rename(newNodePath)
@@ -221,9 +221,9 @@ function! NERDTreeMoveNode()
         " renamed files.
         if !empty(l:openBuffers)
             if curNode.path.isDirectory
-                echo "\nDirectory renamed.\n\nFiles with the old directory name are open in buffers " . join(l:openBuffers, ', ') . ". Replace these buffers with the new files? (yN)"
+                echo "\nDirectory renamed.\n\nFiles with the old directory name are open in buffers " . join(l:openBuffers, ', ') . '. Replace these buffers with the new files? (yN)'
             else
-                echo "\nFile renamed.\n\nThe old file is open in buffer " . l:openBuffers[0] . ". Replace this buffer with the new file? (yN)"
+                echo "\nFile renamed.\n\nThe old file is open in buffer " . l:openBuffers[0] . '. Replace this buffer with the new file? (yN)'
             endif
             if g:NERDTreeAutoDeleteBuffer || nr2char(getchar()) ==# 'y'
                 for bufNum in l:openBuffers
@@ -236,7 +236,7 @@ function! NERDTreeMoveNode()
 
         redraw!
     catch /^NERDTree/
-        call nerdtree#echoWarning("Node Not Renamed.")
+        call nerdtree#echoWarning('Node Not Renamed.')
     endtry
 endfunction
 
@@ -249,11 +249,11 @@ function! NERDTreeDeleteNode()
 
     if currentNode.path.isDirectory && ((currentNode.isOpen && currentNode.getChildCount() > 0) ||
                                       \ (len(currentNode._glob('*', 1)) > 0))
-        let prompt = s:inputPrompt("deleteNonEmpty") . currentNode.path.str() . ": "
+        let prompt = s:inputPrompt('deleteNonEmpty') . currentNode.path.str() . ': '
         let choice = input(prompt)
         let confirmed = choice ==# 'yes'
     else
-        let prompt = s:inputPrompt("delete") . currentNode.path.str() . " (yN): "
+        let prompt = s:inputPrompt('delete') . currentNode.path.str() . ' (yN): '
         echo prompt
         let choice = nr2char(getchar())
         let confirmed = choice ==# 'y'
@@ -266,18 +266,18 @@ function! NERDTreeDeleteNode()
 
             "if the node is open in a buffer, ask the user if they want to
             "close that buffer
-            let bufnum = bufnr("^".currentNode.path.str()."$")
+            let bufnum = bufnr('^'.currentNode.path.str().'$')
             if buflisted(bufnum)
-                let prompt = "\nNode deleted.\n\nThe file is open in buffer ". bufnum . (bufwinnr(bufnum) ==# -1 ? " (hidden)" : "") .". Delete this buffer? (yN)"
+                let prompt = "\nNode deleted.\n\nThe file is open in buffer ". bufnum . (bufwinnr(bufnum) ==# -1 ? ' (hidden)' : '') .'. Delete this buffer? (yN)'
                 call s:promptToDelBuffer(bufnum, prompt)
             endif
 
             redraw!
         catch /^NERDTree/
-            call nerdtree#echoWarning("Could not remove node")
+            call nerdtree#echoWarning('Could not remove node')
         endtry
     else
-        call nerdtree#echo("delete aborted")
+        call nerdtree#echo('delete aborted')
     endif
     let &shellslash = l:shellslash
 endfunction
@@ -286,10 +286,10 @@ endfunction
 function! NERDTreeListNode()
     let treenode = g:NERDTreeFileNode.GetSelected()
     if !empty(treenode)
-        let s:uname = system("uname")
+        let s:uname = system('uname')
         let stat_cmd = 'stat -c "%s" '
 
-        if s:uname =~? "Darwin"
+        if s:uname =~? 'Darwin'
             let stat_cmd = 'stat -f "%z" '
         endif
 
@@ -300,7 +300,7 @@ function! NERDTreeListNode()
         let metadata = split(system(cmd),'\n')
         call nerdtree#echo(metadata[0])
     else
-        call nerdtree#echo("No information available")
+        call nerdtree#echo('No information available')
     endif
 endfunction
 
@@ -310,10 +310,10 @@ function! NERDTreeListNodeWin32()
 
     if !empty(l:node)
         let l:path = l:node.path.str()
-        call nerdtree#echo(printf("%s:%s  MOD:%s  BYTES:%d  PERMISSIONS:%s",
+        call nerdtree#echo(printf('%s:%s  MOD:%s  BYTES:%d  PERMISSIONS:%s',
                     \ toupper(getftype(l:path)),
                     \ fnamemodify(l:path, ':t'),
-                    \ strftime("%c", getftime(l:path)),
+                    \ strftime('%c', getftime(l:path)),
                     \ getfsize(l:path),
                     \ getfperm(l:path)))
         return
@@ -327,16 +327,16 @@ function! NERDTreeCopyNode()
     let l:shellslash = &shellslash
     let &shellslash = 0
     let currentNode = g:NERDTreeFileNode.GetSelected()
-    let prompt = s:inputPrompt("copy")
+    let prompt = s:inputPrompt('copy')
-    let newNodePath = input(prompt, currentNode.path.str(), "file")
+    let newNodePath = input(prompt, currentNode.path.str(), 'file')
 
-    if newNodePath != ""
+    if newNodePath !=# ''
         "strip trailing slash
         let newNodePath = substitute(newNodePath, '\/$', '', '')
 
         let confirmed = 1
         if currentNode.path.copyingWillOverwrite(newNodePath)
-            call nerdtree#echo("Warning: copying may overwrite files! Continue? (yN)")
+            call nerdtree#echo('Warning: copying may overwrite files! Continue? (yN)')
             let choice = nr2char(getchar())
             let confirmed = choice ==# 'y'
         endif
@@ -355,11 +355,11 @@ function! NERDTreeCopyNode()
                     call newNode.putCursorHere(0, 0)
                 endif
             catch /^NERDTree/
-                call nerdtree#echoWarning("Could not copy node")
+                call nerdtree#echoWarning('Could not copy node')
             endtry
         endif
     else
-        call nerdtree#echo("Copy aborted.")
+        call nerdtree#echo('Copy aborted.')
     endif
     let &shellslash = l:shellslash
     redraw!
@@ -368,22 +368,22 @@ endfunction
 " FUNCTION: NERDTreeCopyPath() {{{1
 function! NERDTreeCopyPath()
     let l:nodePath = g:NERDTreeFileNode.GetSelected().path.str()
-    if has("clipboard")
+    if has('clipboard')
-        if &clipboard == "unnamedplus"
+        if &clipboard ==# 'unnamedplus'
             let @+ = l:nodePath
         else
             let @* = l:nodePath
         endif
-        call nerdtree#echo("The path [" . l:nodePath . "] was copied to your clipboard.")
+        call nerdtree#echo('The path [' . l:nodePath . '] was copied to your clipboard.')
     else
-        call nerdtree#echo("The full path is: " . l:nodePath)
+        call nerdtree#echo('The full path is: ' . l:nodePath)
     endif
 endfunction
 
 " FUNCTION: NERDTreeQuickLook() {{{1
 function! NERDTreeQuickLook()
     let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode != {}
+    if treenode !=# {}
         call system("qlmanage -p 2>/dev/null '" . treenode.path.str() . "'")
     endif
 endfunction
@@ -391,7 +391,7 @@ endfunction
 " FUNCTION: NERDTreeRevealInFinder() {{{1
 function! NERDTreeRevealInFinder()
     let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode != {}
+    if treenode !=# {}
         call system("open -R '" . treenode.path.str() . "'")
     endif
 endfunction
@@ -399,7 +399,7 @@ endfunction
 " FUNCTION: NERDTreeExecuteFile() {{{1
 function! NERDTreeExecuteFile()
     let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode != {}
+    if treenode !=# {}
         call system("open '" . treenode.path.str() . "'")
     endif
 endfunction
@@ -408,7 +408,7 @@ endfunction
 function! NERDTreeRevealFileLinux()
     let treenode = g:NERDTreeFileNode.GetSelected()
     let parentnode = treenode.parent
-    if parentnode != {}
+    if parentnode !=# {}
         call system("xdg-open '" . parentnode.path.str() . "' &")
     endif
 endfunction
@@ -416,7 +416,7 @@ endfunction
 " FUNCTION: NERDTreeExecuteFileLinux() {{{1
 function! NERDTreeExecuteFileLinux()
     let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode != {}
+    if treenode !=# {}
         call system("xdg-open '" . treenode.path.str() . "' &")
     endif
 endfunction

sources_non_forked/nerdtree/nerdtree_plugin/vcs.vim

@@ -17,7 +17,7 @@ command! -n=? -complete=dir -bar NERDTreeToggleVCS :call <SID>ToggleTabTreeVCS('
 function! s:CreateTabTreeVCS(name)
     let l:path = g:NERDTreeCreator._pathForString(a:name)
     let l:path = s:FindParentVCSRoot(l:path)
-    call g:NERDTreeCreator.createTabTree(empty(l:path) ? "" : l:path._str())
+    call g:NERDTreeCreator.createTabTree(empty(l:path) ? '' : l:path._str())
 endfunction
 
 " FUNCTION: s:ToggleTabTreeVCS(a:name) {{{1
@@ -25,7 +25,7 @@ endfunction
 function! s:ToggleTabTreeVCS(name)
     let l:path = g:NERDTreeCreator._pathForString(a:name)
     let l:path = s:FindParentVCSRoot(l:path)
-    call g:NERDTreeCreator.toggleTabTree(empty(l:path) ? "" : l:path._str())
+    call g:NERDTreeCreator.toggleTabTree(empty(l:path) ? '' : l:path._str())
 endfunction
 
 " FUNCTION: s:FindParentVCSRoot(a:path) {{{1
@@ -34,7 +34,7 @@ endfunction
 function! s:FindParentVCSRoot(path)
     let l:path = a:path
     while !empty(l:path) &&
-        \ l:path._str() !~ '^\(\a:\\\|\/\)$' &&
+        \ l:path._str() !~# '^\(\a:\\\|\/\)$' &&
         \ !isdirectory(l:path._str() . '/.git') &&
         \ !isdirectory(l:path._str() . '/.svn') &&
         \ !isdirectory(l:path._str() . '/.hg') &&
@@ -42,6 +42,6 @@ function! s:FindParentVCSRoot(path)
         \ !isdirectory(l:path._str() . '/_darcs')
         let l:path = l:path.getParent()
     endwhile
-    return (empty(l:path) || l:path._str() =~ '^\(\a:\\\|\/\)$') ? a:path : l:path
+    return (empty(l:path) || l:path._str() =~# '^\(\a:\\\|\/\)$') ? a:path : l:path
 endfunction
 

sources_non_forked/nerdtree/plugin/NERD_tree.vim

@@ -11,7 +11,9 @@
 "
 " SECTION: Script init stuff {{{1
 "============================================================
-if exists("loaded_nerd_tree")
+scriptencoding utf-8
+
+if exists('loaded_nerd_tree')
     finish
 endif
 if v:version < 703
@@ -20,9 +22,9 @@ if v:version < 703
 endif
 let loaded_nerd_tree = 1
 
-"for line continuation - i.e dont want C in &cpo
+"for line continuation - i.e dont want C in &cpoptions
-let s:old_cpo = &cpo
+let s:old_cpo = &cpoptions
-set cpo&vim
+set cpoptions&vim
 
 "Function: s:initVariable() function {{{2
 "This function is used to initialise a given variable to a given value. The
@@ -36,65 +38,65 @@ set cpo&vim
 "1 if the var is set, 0 otherwise
 function! s:initVariable(var, value)
     if !exists(a:var)
-        exec 'let ' . a:var . ' = ' . "'" . substitute(a:value, "'", "''", "g") . "'"
+        exec 'let ' . a:var . ' = ' . "'" . substitute(a:value, "'", "''", 'g') . "'"
         return 1
     endif
     return 0
 endfunction
 
 "SECTION: Init variable calls and other random constants {{{2
-call s:initVariable("g:NERDTreeAutoCenter", 1)
+call s:initVariable('g:NERDTreeAutoCenter', 1)
-call s:initVariable("g:NERDTreeAutoCenterThreshold", 3)
+call s:initVariable('g:NERDTreeAutoCenterThreshold', 3)
-call s:initVariable("g:NERDTreeCaseSensitiveSort", 0)
+call s:initVariable('g:NERDTreeCaseSensitiveSort', 0)
-call s:initVariable("g:NERDTreeNaturalSort", 0)
+call s:initVariable('g:NERDTreeNaturalSort', 0)
-call s:initVariable("g:NERDTreeSortHiddenFirst", 1)
+call s:initVariable('g:NERDTreeSortHiddenFirst', 1)
-call s:initVariable("g:NERDTreeUseTCD", 0)
+call s:initVariable('g:NERDTreeUseTCD', 0)
-call s:initVariable("g:NERDTreeChDirMode", 0)
+call s:initVariable('g:NERDTreeChDirMode', 0)
-call s:initVariable("g:NERDTreeCreatePrefix", "silent")
+call s:initVariable('g:NERDTreeCreatePrefix', 'silent')
-call s:initVariable("g:NERDTreeMinimalUI", 0)
+call s:initVariable('g:NERDTreeMinimalUI', 0)
-call s:initVariable("g:NERDTreeMinimalMenu", 0)
+call s:initVariable('g:NERDTreeMinimalMenu', 0)
-if !exists("g:NERDTreeIgnore")
+if !exists('g:NERDTreeIgnore')
     let g:NERDTreeIgnore = ['\~$']
 endif
-call s:initVariable("g:NERDTreeBookmarksFile", expand('$HOME') . '/.NERDTreeBookmarks')
+call s:initVariable('g:NERDTreeBookmarksFile', expand('$HOME') . '/.NERDTreeBookmarks')
-call s:initVariable("g:NERDTreeBookmarksSort", 1)
+call s:initVariable('g:NERDTreeBookmarksSort', 1)
-call s:initVariable("g:NERDTreeHighlightCursorline", 1)
+call s:initVariable('g:NERDTreeHighlightCursorline', 1)
-call s:initVariable("g:NERDTreeHijackNetrw", 1)
+call s:initVariable('g:NERDTreeHijackNetrw', 1)
 call s:initVariable('g:NERDTreeMarkBookmarks', 1)
-call s:initVariable("g:NERDTreeMouseMode", 1)
+call s:initVariable('g:NERDTreeMouseMode', 1)
-call s:initVariable("g:NERDTreeNotificationThreshold", 100)
+call s:initVariable('g:NERDTreeNotificationThreshold', 100)
-call s:initVariable("g:NERDTreeQuitOnOpen", 0)
+call s:initVariable('g:NERDTreeQuitOnOpen', 0)
-call s:initVariable("g:NERDTreeRespectWildIgnore", 0)
+call s:initVariable('g:NERDTreeRespectWildIgnore', 0)
-call s:initVariable("g:NERDTreeShowBookmarks", 0)
+call s:initVariable('g:NERDTreeShowBookmarks', 0)
-call s:initVariable("g:NERDTreeShowFiles", 1)
+call s:initVariable('g:NERDTreeShowFiles', 1)
-call s:initVariable("g:NERDTreeShowHidden", 0)
+call s:initVariable('g:NERDTreeShowHidden', 0)
-call s:initVariable("g:NERDTreeShowLineNumbers", 0)
+call s:initVariable('g:NERDTreeShowLineNumbers', 0)
-call s:initVariable("g:NERDTreeSortDirs", 1)
+call s:initVariable('g:NERDTreeSortDirs', 1)
 
 if !nerdtree#runningWindows() && !nerdtree#runningCygwin()
-    call s:initVariable("g:NERDTreeDirArrowExpandable", "▸")
+    call s:initVariable('g:NERDTreeDirArrowExpandable', '▸')
-    call s:initVariable("g:NERDTreeDirArrowCollapsible", "▾")
+    call s:initVariable('g:NERDTreeDirArrowCollapsible', '▾')
 else
-    call s:initVariable("g:NERDTreeDirArrowExpandable", "+")
+    call s:initVariable('g:NERDTreeDirArrowExpandable', '+')
-    call s:initVariable("g:NERDTreeDirArrowCollapsible", "~")
+    call s:initVariable('g:NERDTreeDirArrowCollapsible', '~')
 endif
 
-call s:initVariable("g:NERDTreeCascadeOpenSingleChildDir", 1)
+call s:initVariable('g:NERDTreeCascadeOpenSingleChildDir', 1)
-call s:initVariable("g:NERDTreeCascadeSingleChildDir", 1)
+call s:initVariable('g:NERDTreeCascadeSingleChildDir', 1)
 
-if !exists("g:NERDTreeSortOrder")
+if !exists('g:NERDTreeSortOrder')
     let g:NERDTreeSortOrder = ['\/$', '*', '\.swp$',  '\.bak$', '\~$']
 endif
 let g:NERDTreeOldSortOrder = []
 
-call s:initVariable("g:NERDTreeGlyphReadOnly", "RO")
+call s:initVariable('g:NERDTreeGlyphReadOnly', 'RO')
 
-if has("conceal")
+if has('conceal')
-    call s:initVariable("g:NERDTreeNodeDelimiter", "\x07")
+    call s:initVariable('g:NERDTreeNodeDelimiter', "\x07")
-elseif (g:NERDTreeDirArrowExpandable == "\u00a0" || g:NERDTreeDirArrowCollapsible == "\u00a0")
+elseif (g:NERDTreeDirArrowExpandable ==# "\u00a0" || g:NERDTreeDirArrowCollapsible ==# "\u00a0")
-    call s:initVariable("g:NERDTreeNodeDelimiter", "\u00b7")
+    call s:initVariable('g:NERDTreeNodeDelimiter', "\u00b7")
 else
-    call s:initVariable("g:NERDTreeNodeDelimiter", "\u00a0")
+    call s:initVariable('g:NERDTreeNodeDelimiter', "\u00a0")
 endif
 
 if !exists('g:NERDTreeStatusline')
@@ -105,60 +107,60 @@ if !exists('g:NERDTreeStatusline')
     let g:NERDTreeStatusline = "%{exists('b:NERDTree')?b:NERDTree.root.path.str():''}"
 
 endif
-call s:initVariable("g:NERDTreeWinPos", "left")
+call s:initVariable('g:NERDTreeWinPos', 'left')
-call s:initVariable("g:NERDTreeWinSize", 31)
+call s:initVariable('g:NERDTreeWinSize', 31)
 
 "init the shell commands that will be used to copy nodes, and remove dir trees
 "
 "Note: the space after the command is important
 if nerdtree#runningWindows()
-    call s:initVariable("g:NERDTreeRemoveDirCmd", 'rmdir /s /q ')
+    call s:initVariable('g:NERDTreeRemoveDirCmd', 'rmdir /s /q ')
-    call s:initVariable("g:NERDTreeCopyDirCmd", 'xcopy /s /e /i /y /q ')
+    call s:initVariable('g:NERDTreeCopyDirCmd', 'xcopy /s /e /i /y /q ')
-    call s:initVariable("g:NERDTreeCopyFileCmd", 'copy /y ')
+    call s:initVariable('g:NERDTreeCopyFileCmd', 'copy /y ')
 else
-    call s:initVariable("g:NERDTreeRemoveDirCmd", 'rm -rf ')
+    call s:initVariable('g:NERDTreeRemoveDirCmd', 'rm -rf ')
-    call s:initVariable("g:NERDTreeCopyCmd", 'cp -r ')
+    call s:initVariable('g:NERDTreeCopyCmd', 'cp -r ')
 endif
 
 
 "SECTION: Init variable calls for key mappings {{{2
-call s:initVariable("g:NERDTreeMapCustomOpen", "<CR>")
+call s:initVariable('g:NERDTreeMapCustomOpen', '<CR>')
-call s:initVariable("g:NERDTreeMapActivateNode", "o")
+call s:initVariable('g:NERDTreeMapActivateNode', 'o')
-call s:initVariable("g:NERDTreeMapChangeRoot", "C")
+call s:initVariable('g:NERDTreeMapChangeRoot', 'C')
-call s:initVariable("g:NERDTreeMapChdir", "cd")
+call s:initVariable('g:NERDTreeMapChdir', 'cd')
-call s:initVariable("g:NERDTreeMapCloseChildren", "X")
+call s:initVariable('g:NERDTreeMapCloseChildren', 'X')
-call s:initVariable("g:NERDTreeMapCloseDir", "x")
+call s:initVariable('g:NERDTreeMapCloseDir', 'x')
-call s:initVariable("g:NERDTreeMapDeleteBookmark", "D")
+call s:initVariable('g:NERDTreeMapDeleteBookmark', 'D')
-call s:initVariable("g:NERDTreeMapMenu", "m")
+call s:initVariable('g:NERDTreeMapMenu', 'm')
-call s:initVariable("g:NERDTreeMapHelp", "?")
+call s:initVariable('g:NERDTreeMapHelp', '?')
-call s:initVariable("g:NERDTreeMapJumpFirstChild", "K")
+call s:initVariable('g:NERDTreeMapJumpFirstChild', 'K')
-call s:initVariable("g:NERDTreeMapJumpLastChild", "J")
+call s:initVariable('g:NERDTreeMapJumpLastChild', 'J')
-call s:initVariable("g:NERDTreeMapJumpNextSibling", "<C-j>")
+call s:initVariable('g:NERDTreeMapJumpNextSibling', '<C-j>')
-call s:initVariable("g:NERDTreeMapJumpParent", "p")
+call s:initVariable('g:NERDTreeMapJumpParent', 'p')
-call s:initVariable("g:NERDTreeMapJumpPrevSibling", "<C-k>")
+call s:initVariable('g:NERDTreeMapJumpPrevSibling', '<C-k>')
-call s:initVariable("g:NERDTreeMapJumpRoot", "P")
+call s:initVariable('g:NERDTreeMapJumpRoot', 'P')
-call s:initVariable("g:NERDTreeMapOpenExpl", "e")
+call s:initVariable('g:NERDTreeMapOpenExpl', 'e')
-call s:initVariable("g:NERDTreeMapOpenInTab", "t")
+call s:initVariable('g:NERDTreeMapOpenInTab', 't')
-call s:initVariable("g:NERDTreeMapOpenInTabSilent", "T")
+call s:initVariable('g:NERDTreeMapOpenInTabSilent', 'T')
-call s:initVariable("g:NERDTreeMapOpenRecursively", "O")
+call s:initVariable('g:NERDTreeMapOpenRecursively', 'O')
-call s:initVariable("g:NERDTreeMapOpenSplit", "i")
+call s:initVariable('g:NERDTreeMapOpenSplit', 'i')
-call s:initVariable("g:NERDTreeMapOpenVSplit", "s")
+call s:initVariable('g:NERDTreeMapOpenVSplit', 's')
-call s:initVariable("g:NERDTreeMapPreview", "g" . NERDTreeMapActivateNode)
+call s:initVariable('g:NERDTreeMapPreview', 'g' . NERDTreeMapActivateNode)
-call s:initVariable("g:NERDTreeMapPreviewSplit", "g" . NERDTreeMapOpenSplit)
+call s:initVariable('g:NERDTreeMapPreviewSplit', 'g' . NERDTreeMapOpenSplit)
-call s:initVariable("g:NERDTreeMapPreviewVSplit", "g" . NERDTreeMapOpenVSplit)
+call s:initVariable('g:NERDTreeMapPreviewVSplit', 'g' . NERDTreeMapOpenVSplit)
-call s:initVariable("g:NERDTreeMapQuit", "q")
+call s:initVariable('g:NERDTreeMapQuit', 'q')
-call s:initVariable("g:NERDTreeMapRefresh", "r")
+call s:initVariable('g:NERDTreeMapRefresh', 'r')
-call s:initVariable("g:NERDTreeMapRefreshRoot", "R")
+call s:initVariable('g:NERDTreeMapRefreshRoot', 'R')
-call s:initVariable("g:NERDTreeMapToggleBookmarks", "B")
+call s:initVariable('g:NERDTreeMapToggleBookmarks', 'B')
-call s:initVariable("g:NERDTreeMapToggleFiles", "F")
+call s:initVariable('g:NERDTreeMapToggleFiles', 'F')
-call s:initVariable("g:NERDTreeMapToggleFilters", "f")
+call s:initVariable('g:NERDTreeMapToggleFilters', 'f')
-call s:initVariable("g:NERDTreeMapToggleHidden", "I")
+call s:initVariable('g:NERDTreeMapToggleHidden', 'I')
-call s:initVariable("g:NERDTreeMapToggleZoom", "A")
+call s:initVariable('g:NERDTreeMapToggleZoom', 'A')
-call s:initVariable("g:NERDTreeMapUpdir", "u")
+call s:initVariable('g:NERDTreeMapUpdir', 'u')
-call s:initVariable("g:NERDTreeMapUpdirKeepOpen", "U")
+call s:initVariable('g:NERDTreeMapUpdirKeepOpen', 'U')
-call s:initVariable("g:NERDTreeMapCWD", "CD")
+call s:initVariable('g:NERDTreeMapCWD', 'CD')
-call s:initVariable("g:NERDTreeMenuDown", "j")
+call s:initVariable('g:NERDTreeMenuDown', 'j')
-call s:initVariable("g:NERDTreeMenuUp", "k")
+call s:initVariable('g:NERDTreeMenuUp', 'k')
 
 "SECTION: Load class files{{{2
 call nerdtree#loadClassFiles()
@@ -171,20 +173,20 @@ call nerdtree#ui_glue#setupCommands()
 "============================================================
 augroup NERDTree
     "Save the cursor position whenever we close the nerd tree
-    exec "autocmd BufLeave,WinLeave ". g:NERDTreeCreator.BufNamePrefix() ."* if g:NERDTree.IsOpen() | call b:NERDTree.ui.saveScreenState() | endif"
+    exec 'autocmd BufLeave,WinLeave '. g:NERDTreeCreator.BufNamePrefix() .'* if g:NERDTree.IsOpen() | call b:NERDTree.ui.saveScreenState() | endif'
 
     "disallow insert mode in the NERDTree
-    exec "autocmd BufEnter,WinEnter ". g:NERDTreeCreator.BufNamePrefix() ."* stopinsert"
+    exec 'autocmd BufEnter,WinEnter '. g:NERDTreeCreator.BufNamePrefix() .'* stopinsert'
 augroup END
 
 if g:NERDTreeHijackNetrw
     augroup NERDTreeHijackNetrw
         autocmd VimEnter * silent! autocmd! FileExplorer
-        au BufEnter,VimEnter * call nerdtree#checkForBrowse(expand("<amatch>"))
+        au BufEnter,VimEnter * call nerdtree#checkForBrowse(expand('<amatch>'))
     augroup END
 endif
 
-if g:NERDTreeChDirMode == 3
+if g:NERDTreeChDirMode ==# 3
     augroup NERDTreeChDirOnTabSwitch
         autocmd TabEnter * if g:NERDTree.ExistsForTab()|call g:NERDTree.ForCurrentTab().getRoot().path.changeToDir()|endif
     augroup END
@@ -217,7 +219,7 @@ function! NERDTreeFocus()
     if g:NERDTree.IsOpen()
         call g:NERDTree.CursorToTreeWin()
     else
-        call g:NERDTreeCreator.ToggleTabTree("")
+        call g:NERDTreeCreator.ToggleTabTree('')
     endif
 endfunction
 
@@ -253,7 +255,7 @@ endfunction
 " SECTION: Post Source Actions {{{1
 call nerdtree#postSourceActions()
 
-"reset &cpo back to users setting
+"reset &cpoptions back to users setting
-let &cpo = s:old_cpo
+let &cpoptions = s:old_cpo
 
 " vim: set sw=4 sts=4 et fdm=marker:

sources_non_forked/nerdtree/syntax/nerdtree.vim

@@ -3,7 +3,7 @@ syn match NERDTreeIgnore #\~#
 exec 'syn match NERDTreeIgnore #\['.g:NERDTreeGlyphReadOnly.'\]#'
 
 "highlighting for the .. (up dir) line at the top of the tree
-execute "syn match NERDTreeUp #\\V". s:tree_up_dir_line ."#"
+execute "syn match NERDTreeUp #\\V". s:tree_up_dir_line .'#'
 
 "quickhelp syntax elements
 syn match NERDTreeHelpKey #" \{1,2\}[^ ]*:#ms=s+2,me=e-1
@@ -27,7 +27,7 @@ exec 'syn match NERDTreeOpenable #' . escape(g:NERDTreeDirArrowExpandable, '~')
 
 let s:dirArrows = escape(g:NERDTreeDirArrowCollapsible, '~]\-').escape(g:NERDTreeDirArrowExpandable, '~]\-')
 exec 'syn match NERDTreeDir #[^'.s:dirArrows.' ].*/#'
-syn match NERDTreeExecFile  #^ .*\*\($\| \)# contains=NERDTreeRO,NERDTreeBookmark
+syn match NERDTreeExecFile  '^ .*\*\($\| \)' contains=NERDTreeRO,NERDTreeBookmark
 exec 'syn match NERDTreeFile  #^[^"\.'.s:dirArrows.'] *[^'.s:dirArrows.']*# contains=NERDTreeLink,NERDTreeRO,NERDTreeBookmark,NERDTreeExecFile'
 
 "highlighting for readonly files
@@ -37,7 +37,7 @@ syn match NERDTreeFlags #^ *\zs\[[^\]]*\]# containedin=NERDTreeFile,NERDTreeExec
 syn match NERDTreeFlags #\[[^\]]*\]# containedin=NERDTreeDir
 
 "highlighing to conceal the delimiter around the file/dir name
-if has("conceal")
+if has('conceal')
     exec 'syn match NERDTreeNodeDelimiters #\%d' . char2nr(g:NERDTreeNodeDelimiter) . '# conceal containedin=ALL'
     setlocal conceallevel=3 concealcursor=nvic
 else

sources_non_forked/vim-fugitive/autoload/fugitive.vim

@@ -206,8 +206,11 @@ function! s:QuickfixCreate(nr, opts) abort
   endif
 endfunction
 
-function! s:QuickfixStream(nr, title, cmd, first, callback, ...) abort
+function! s:QuickfixStream(nr, event, title, cmd, first, callback, ...) abort
-  call s:QuickfixCreate(a:nr, {'title': a:title})
+  let opts = {'title': a:title, 'context': {'items': []}}
+  call s:QuickfixCreate(a:nr, opts)
+  let event = (a:nr < 0 ? 'c' : 'l') . 'fugitive-' . a:event
+  silent exe s:DoAutocmd('QuickFixCmdPre ' . event)
   let winnr = winnr()
   exe a:nr < 0 ? 'copen' : 'lopen'
   if winnr != winnr()
@@ -219,12 +222,20 @@ function! s:QuickfixStream(nr, title, cmd, first, callback, ...) abort
   for line in lines
     call extend(buffer, call(a:callback, a:000 + [line]))
     if len(buffer) >= 20
+      let contexts = map(copy(buffer), 'get(v:val, "context", {})')
+      lockvar contexts
+      call extend(opts.context.items, contexts)
+      unlet contexts
       call s:QuickfixSet(a:nr, remove(buffer, 0, -1), 'a')
       redraw
     endif
   endfor
-  call s:QuickfixSet(a:nr, extend(buffer, call(a:callback, a:000 + [0])), 'a')
+  call extend(buffer, call(a:callback, a:000 + [0]))
+  call extend(opts.context.items, map(copy(buffer), 'get(v:val, "context", {})'))
+  lockvar opts.context.items
+  call s:QuickfixSet(a:nr, buffer, 'a')
 
+  silent exe s:DoAutocmd('QuickFixCmdPost ' . event)
   if a:first && len(s:QuickfixGet(a:nr))
     call s:BlurStatus()
     return a:nr < 0 ? 'cfirst' : 'lfirst'
@@ -914,8 +925,8 @@ function! fugitive#Find(object, ...) abort
     let f = 'fugitive://' . dir . '//0/' . rev[1:-1]
   else
     if !exists('f')
-      let commit = substitute(matchstr(rev, '^[^:.-][^:]*\|^:.*'), '^@\%($\|[~^]\|@{\)\@=', 'HEAD', '')
+      let commit = substitute(matchstr(rev, '^\%([^:.-]\|\.\.[^/:]\)[^:]*\|^:.*'), '^@\%($\|[~^]\|@{\)\@=', 'HEAD', '')
-      let file = substitute(matchstr(rev, '^[^:.-][^:]*\zs:.*'), '^:', '/', '')
+      let file = substitute(matchstr(rev, '^\%([^:.-]\|\.\.[^/:]\)[^:]*\zs:.*'), '^:', '/', '')
       if file =~# '^/\.\.\=\%(/\|$\)\|^//\|^/\a\+:'
         let file = file =~# '^/\.' ? simplify(getcwd() . file) : file[1:-1]
         if s:cpath(base . '/', (file . '/')[0 : len(base)])
@@ -2160,7 +2171,10 @@ function! fugitive#Command(line1, line2, range, bang, mods, arg) abort
   if exists('*s:' . name . 'Subcommand') && get(args, 1, '') !=# '--help'
     try
       exe s:DirCheck(dir)
-      return 'exe ' . string(s:{name}Subcommand(a:line1, a:line2, a:range, a:bang, a:mods, args[1:-1])) . after
+      let result = s:{name}Subcommand(a:line1, a:line2, a:range, a:bang, a:mods, args[1:-1])
+      if type(result) == type('')
+        return 'exe ' . string(result) . after
+      endif
     catch /^fugitive:/
       return 'echoerr ' . string(v:exception)
     endtry
@@ -3782,6 +3796,240 @@ augroup fugitive_merge
         \ endif
 augroup END
 
+" Section: :Git difftool, :Git mergetool
+
+function! s:ToolItems(state, from, to, offsets, text, ...) abort
+  let items = []
+  for i in range(len(a:state.diff))
+    let diff = a:state.diff[i]
+    let path = (i == len(a:state.diff) - 1) ? a:to : a:from
+    if empty(path)
+      return []
+    endif
+    let item = {
+          \ 'valid': a:0 ? a:1 : 1,
+          \ 'filename': diff.filename . FugitiveVimPath(path),
+          \ 'lnum': matchstr(get(a:offsets, i), '\d\+'),
+          \ 'text': a:text}
+    if len(get(diff, 'module', ''))
+      let item.module = diff.module . path
+    endif
+    call add(items, item)
+  endfor
+  let diff = items[0:-2]
+  let items[-1].context = {'diff': items[0:-2]}
+  return [items[-1]]
+endfunction
+
+function! s:ToolToFrom(str) abort
+  if a:str =~# ' => '
+    let str = a:str =~# '{.* => .*}' ? a:str : '{' . a:str . '}'
+    return [substitute(str, '{.* => \(.*\)}', '\1', ''),
+          \ substitute(str, '{\(.*\) => .*}', '\1', '')]
+  else
+    return [a:str, a:str]
+  endif
+endfunction
+
+function! s:ToolParse(state, line) abort
+  if type(a:line) !=# type('') || a:state.mode ==# 'hunk' && a:line =~# '^[ +-]'
+    return []
+  elseif a:line =~# '^diff '
+    let a:state.mode = 'diffhead'
+    let a:state.from = ''
+    let a:state.to = ''
+  elseif a:state.mode ==# 'diffhead' && a:line =~# '^--- [^/]'
+    let a:state.from = a:line[4:-1]
+    let a:state.to = a:state.from
+  elseif a:state.mode ==# 'diffhead' && a:line =~# '^+++ [^/]'
+    let a:state.to = a:line[4:-1]
+    if empty(get(a:state, 'from', ''))
+      let a:state.from = a:state.to
+    endif
+  elseif a:line[0] ==# '@'
+    let a:state.mode = 'hunk'
+    if has_key(a:state, 'from')
+      let offsets = split(matchstr(a:line, '^@\+ \zs[-+0-9, ]\+\ze @'), ' ')
+      return s:ToolItems(a:state, a:state.from, a:state.to, offsets, matchstr(a:line, ' @@\+ \zs.*'))
+    endif
+  elseif a:line =~# '^[A-Z]\d*\t.\|^:.*\t.'
+    " --raw, --name-status
+    let [status; files] = split(a:line, "\t")
+    return s:ToolItems(a:state, files[0], files[-1], [], a:state.name_only ? '' : status)
+  elseif a:line =~# '^ \S.* |'
+    " --stat
+    let [_, to, changes; __] = matchlist(a:line, '^ \(.\{-\}\) \+|\zs \(.*\)$')
+    let [to, from] = s:ToolToFrom(to)
+    return s:ToolItems(a:state, from, to, [], changes)
+  elseif a:line =~# '^ *\([0-9.]\+%\) .'
+    " --dirstat
+    let [_, changes, to; __] = matchlist(a:line, '^ *\([0-9.]\+%\) \(.*\)')
+    return s:ToolItems(a:state, to, to, [], changes)
+  elseif a:line =~# '^\(\d\+\|-\)\t\(\d\+\|-\)\t.'
+    " --numstat
+    let [_, add, remove, to; __] = matchlist(a:line, '^\(\d\+\|-\)\t\(\d\+\|-\)\t\(.*\)')
+    let [to, from] = s:ToolToFrom(to)
+    return s:ToolItems(a:state, from, to, [], add ==# '-' ? 'Binary file' : '+' . add . ' -' . remove, add !=# '-')
+  elseif a:state.mode !=# 'diffhead' && a:state.mode !=# 'hunk' && len(a:line) || a:line =~# '^git: \|^usage: \|^error: \|^fatal: '
+    return [{'text': a:line}]
+  endif
+  return []
+endfunction
+
+function! s:ToolStream(dir, line1, line2, range, bang, mods, args, state, title) abort
+  let i = 0
+  let argv = copy(a:args)
+  let prompt = 1
+  let state = a:state
+  while i < len(argv)
+    let match = matchlist(argv[i], '^\(-[a-zABDFH-KN-RT-Z]\)\ze\(.*\)')
+    if len(match) && len(match[2])
+      call insert(argv, match[1])
+      let argv[i+1] = '-' . match[2]
+      continue
+    endif
+    let arg = argv[i]
+    if arg =~# '^-t$\|^--tool=\|^--tool-help$\|^--help$'
+      return -1
+    elseif arg =~# '^-y$\|^--no-prompt$'
+      let prompt = 0
+      call remove(argv, i)
+      continue
+    elseif arg ==# '--prompt'
+      let prompt = 1
+      call remove(argv, i)
+      continue
+    elseif arg =~# '^--\%(no-\)\=\(symlinks\|trust-exit-code\|gui\)$'
+      call remove(argv, i)
+      continue
+    elseif arg ==# '--'
+      break
+    endif
+    let i += 1
+  endwhile
+  let a:state.mode = 'init'
+  let a:state.from = ''
+  let a:state.to = ''
+  let exec = s:UserCommandList(a:dir) + ['--no-pager', '-c', 'diff.context=0', 'diff', '--no-ext-diff', '--no-color', '--no-prefix'] + argv
+  if prompt
+    return s:QuickfixStream(a:line2, 'difftool', a:title, exec, !a:bang, s:function('s:ToolParse'), a:state)
+  else
+    let filename = ''
+    let cmd = []
+    let tabnr = tabpagenr() + 1
+    for line in split(s:SystemError(s:shellesc(exec))[0], "\n")
+      for item in s:ToolParse(a:state, line)
+        if len(get(item, 'filename', '')) && item.filename != filename
+          call add(cmd, 'tabedit ' . s:fnameescape(item.filename))
+          for i in reverse(range(len(get(item.context, 'diff', []))))
+            call add(cmd, (i ? 'rightbelow' : 'leftabove') . ' vert Gdiffsplit! ' . s:fnameescape(item.context.diff[i].filename))
+          endfor
+          call add(cmd, 'wincmd =')
+          let filename = item.filename
+        endif
+      endfor
+    endfor
+    return join(cmd, '|') . (empty(cmd) ? '' : '|' . tabnr . 'tabnext')
+  endif
+endfunction
+
+function! s:MergetoolSubcommand(line1, line2, range, bang, mods, args) abort
+  let dir = s:Dir()
+  let i = 0
+  let argv = copy(a:args)
+  let prompt = 1
+  let title = ':Git mergetool' . (len(a:args) ? ' ' . s:fnameescape(a:args) : '')
+  let cmd = ['diff', '--diff-filter=U']
+  let state = {'name_only': 0}
+  let state.diff = [{'prefix': ':2:', 'module': ':2:'}, {'prefix': ':3:', 'module': ':3:'}, {'prefix': ':(top)'}]
+  call map(state.diff, 'extend(v:val, {"filename": fugitive#Find(v:val.prefix, dir)})')
+  return s:ToolStream(dir, a:line1, a:line2, a:range, a:bang, a:mods, ['--diff-filter=U'] + a:args, state, title)
+endfunction
+
+function! s:DifftoolSubcommand(line1, line2, range, bang, mods, args) abort
+  let dir = s:Dir()
+  let i = 0
+  let argv = copy(a:args)
+  let commits = []
+  let cached = 0
+  let reverse = 1
+  let prompt = 1
+  let state = {'name_only': 0}
+  let merge_base_against = {}
+  let dash = (index(argv, '--') > i ? ['--'] : [])
+  while i < len(argv)
+    let match = matchlist(argv[i], '^\(-[a-zABDFH-KN-RT-Z]\)\ze\(.*\)')
+    if len(match) && len(match[2])
+      call insert(argv, match[1])
+      let argv[i+1] = '-' . match[2]
+      continue
+    endif
+    let arg = argv[i]
+    if arg ==# '--cached'
+      let cached = 1
+    elseif arg ==# '-R'
+      let reverse = 1
+    elseif arg ==# '--name-only'
+      let state.name_only = 1
+      let argv[0] = '--name-status'
+    elseif arg ==# '--'
+      break
+    elseif arg !~# '^-\|^\.\.\=\%(/\|$\)'
+      let parsed = s:LinesError(['rev-parse', '--revs-only', substitute(arg, ':.*', '', '')] + dash)[0]
+      call map(parsed, '{"uninteresting": v:val =~# "^\\^", "prefix": substitute(v:val, "^\\^", "", "") . ":"}')
+      let merge_base_against = {}
+      if arg =~# '\.\.\.' && len(parsed) > 2
+        let display = map(split(arg, '\.\.\.', 1), 'empty(v:val) ? "@" : v:val')
+        if len(display) == 2
+          let parsed[0].module = display[1] . ':'
+          let parsed[1].module = display[0] . ':'
+        endif
+        let parsed[2].module = arg . ':'
+        if empty(commits)
+          let merge_base_against = parsed[0]
+          let parsed = [parsed[2]]
+        endif
+      elseif arg =~# '\.\.' && len(parsed) == 2
+        let display = map(split(arg, '\.\.', 1), 'empty(v:val) ? "@" : v:val')
+        if len(display) == 2
+          let parsed[0].module = display[0] . ':'
+          let parsed[1].module = display[1] . ':'
+        endif
+      elseif len(parsed) == 1
+        let parsed[0].module = arg . ':'
+      endif
+      call extend(commits, parsed)
+    endif
+    let i += 1
+  endwhile
+  let title = ':Git difftool' . (len(a:args) ? ' ' . s:fnameescape(a:args) : '')
+  if len(merge_base_against)
+    call add(commits, merge_base_against)
+  endif
+  let commits = filter(copy(commits), 'v:val.uninteresting') + filter(commits, '!v:val.uninteresting')
+  if cached
+    if empty(commits)
+      call add(commits, {'prefix': '@:', 'module': '@:'})
+    endif
+    call add(commits, {'prefix': ':0:', 'module': ':0:'})
+  elseif len(commits) < 2
+    call add(commits, {'prefix': ':(top)'})
+    if len(commits) < 2
+      call insert(commits, {'prefix': ':0:', 'module': ':0:'})
+    endif
+  endif
+  if reverse
+    let commits = [commits[-1]] + repeat([commits[0]], len(commits) - 1)
+    call reverse(commits)
+  endif
+  if len(commits) > 2
+    call add(commits, remove(commits, 0))
+  endif
+  call map(commits, 'extend(v:val, {"filename": fugitive#Find(v:val.prefix, dir)})')
+  let state.diff = commits
+  return s:ToolStream(dir, a:line1, a:line2, a:range, a:bang, a:mods, argv, state, title)
+endfunction
+
 " Section: :Ggrep, :Glog
 
 if !exists('g:fugitive_summary_format')
@@ -3869,10 +4117,16 @@ function! s:GrepSubcommand(line1, line2, range, bang, mods, args) abort
   endif
 endfunction
 
-function! s:LogFlushQueue(state) abort
+let s:log_diff_context = '{"filename": fugitive#Find(v:val . from, a:dir), "lnum": get(offsets, v:key), "module": strpart(v:val, 0, len(a:state.base_module)) . from}'
+
+function! s:LogFlushQueue(state, dir) abort
   let queue = remove(a:state, 'queue')
-  if a:state.child_found
+  if a:state.child_found && get(a:state, 'ignore_summary')
     call remove(queue, 0)
+  elseif len(queue) && len(a:state.target) && len(get(a:state, 'parents', []))
+    let from = substitute(a:state.target, '^/', ':', '')
+    let offsets = []
+    let queue[0].context.diff = map(copy(a:state.parents), s:log_diff_context)
   endif
   if len(queue) && queue[-1] ==# {'text': ''}
     call remove(queue, -1)
@@ -3881,41 +4135,65 @@ function! s:LogFlushQueue(state) abort
 endfunction
 
 function! s:LogParse(state, dir, line) abort
-  if a:state.context ==# 'hunk' && a:line =~# '^[-+ ]'
+  if a:state.mode ==# 'hunk' && a:line =~# '^[-+ ]'
     return []
   endif
   let list = matchlist(a:line, '^\%(fugitive \(.\{-\}\)\t\|commit \|From \)\=\(\x\{40,\}\)\%( \(.*\)\)\=$')
   if len(list)
-    let a:state.context = 'commit'
+    let queue = s:LogFlushQueue(a:state, a:dir)
+    let a:state.mode = 'commit'
     let a:state.base = 'fugitive://' . a:dir . '//' . list[2]
-    let a:state.base_module = len(list[1]) ? list[1] : list[2]
+    if len(list[1])
-    let a:state.message = list[3]
+      let [a:state.base_module; a:state.parents] = split(list[1], ' ')
-    if has_key(a:state, 'diffing')
+    else
-      call remove(a:state, 'diffing')
+      let a:state.base_module = list[2]
+      let a:state.parents = []
     endif
-    let queue = s:LogFlushQueue(a:state)
+    let a:state.message = list[3]
+    let a:state.from = ''
+    let a:state.to = ''
+    let context = {}
     let a:state.queue = [{
           \ 'valid': 1,
+          \ 'context': context,
           \ 'filename': a:state.base . a:state.target,
           \ 'module': a:state.base_module . substitute(a:state.target, '^/', ':', ''),
           \ 'text': a:state.message}]
     let a:state.child_found = 0
     return queue
   elseif type(a:line) == type(0)
-    return s:LogFlushQueue(a:state)
+    return s:LogFlushQueue(a:state, a:dir)
   elseif a:line =~# '^diff'
-    let a:state.context = 'diffhead'
+    let a:state.mode = 'diffhead'
-  elseif a:line =~# '^[+-]\{3\} \w/' && a:state.context ==# 'diffhead'
+    let a:state.from = ''
-    let a:state.diffing = a:line[5:-1]
+    let a:state.to = ''
-  elseif a:line =~# '^@@[^@]*+\d' && has_key(a:state, 'diffing') && has_key(a:state, 'base')
+  elseif a:state.mode ==# 'diffhead' && a:line =~# '^--- \w/'
-    let a:state.context = 'hunk'
+    let a:state.from = a:line[6:-1]
-    if empty(a:state.target) || a:state.target ==# a:state.diffing
+    let a:state.to = a:state.from
+  elseif a:state.mode ==# 'diffhead' && a:line =~# '^+++ \w/'
+    let a:state.to = a:line[6:-1]
+    if empty(get(a:state, 'from', ''))
+      let a:state.from = a:state.to
+    endif
+  elseif a:line =~# '^@@[^@]*+\d' && len(get(a:state, 'to', '')) && has_key(a:state, 'base')
+    let a:state.mode = 'hunk'
+    if empty(a:state.target) || a:state.target ==# '/' . a:state.to
+      if !a:state.child_found && len(a:state.queue) && a:state.queue[-1] ==# {'text': ''}
+        call remove(a:state.queue, -1)
+      endif
       let a:state.child_found = 1
+      let offsets = map(split(matchstr(a:line, '^@\+ \zs[-+0-9, ]\+\ze @'), ' '), '+matchstr(v:val, "\\d\\+")')
+      let context = {}
+      if len(a:state.parents)
+        let from = ":" . a:state.from
+        let context.diff = map(copy(a:state.parents), s:log_diff_context)
+      endif
       call add(a:state.queue, {
             \ 'valid': 1,
-            \ 'filename': a:state.base . a:state.diffing,
+            \ 'context': context,
-            \ 'module': a:state.base_module . substitute(a:state.diffing, '^/', ':', ''),
+            \ 'filename': FugitiveVimPath(a:state.base . '/' . a:state.to),
-            \ 'lnum': +matchstr(a:line, '+\zs\d\+'),
+            \ 'module': a:state.base_module . ':' . a:state.to,
+            \ 'lnum': offsets[-1],
             \ 'text': a:state.message . matchstr(a:line, ' @@\+ .\+')})
     endif
   elseif a:state.follow &&
@@ -3930,7 +4208,7 @@ function! s:LogParse(state, dir, line) abort
     if !get(a:state, 'ignore_summary')
       call add(a:state.queue, {'text': a:line})
     endif
-  elseif a:state.context ==# 'commit' || a:state.context ==# 'init'
+  elseif a:state.mode ==# 'commit' || a:state.mode ==# 'init'
     call add(a:state.queue, {'text': a:line})
   endif
   return []
@@ -3953,32 +4231,36 @@ function! fugitive#LogCommand(line1, count, range, bang, mods, args, type) abort
   endif
   if a:line1 == 0 && a:count
     let path = fugitive#Path(bufname(a:count), '/', dir)
+    let titlepre = ':0,' . a:count
   elseif a:count >= 0
     let path = fugitive#Path(@%, '/', dir)
+    let titlepre = a:count == 0 ? ':0,' . bufnr('') : ':'
   else
+    let titlepre = ':'
     let path = ''
   endif
   let range = ''
-  let extra = []
+  let extra_args = []
-  let state = {'context': 'init', 'child_found': 0, 'queue': [], 'follow': 0}
+  let extra_paths = []
+  let state = {'mode': 'init', 'child_found': 0, 'queue': [], 'follow': 0}
   if path =~# '^/\.git\%(/\|$\)\|^$'
     let path = ''
   elseif a:line1 == 0
     let range = "0," . (a:count ? a:count : bufnr(''))
-    let extra = ['.' . path]
+    let extra_paths = ['.' . path]
     if (empty(paths) || paths ==# ['--']) && !s:HasOpt(args, '--no-follow')
       let state.follow = 1
       if !s:HasOpt(args, '--follow')
-        call insert(args, '--follow')
+        call insert(extra_args, '--follow')
       endif
       if !s:HasOpt(args, '--summary')
-        call insert(args, '--summary')
+        call insert(extra_args, '--summary')
         let state.ignore_summary = 1
       endif
     endif
   elseif a:count > 0
     if !s:HasOpt(args, '--merges', '--no-merges')
-      call insert(args, '--no-merges')
+      call insert(extra_args, '--no-merges')
     endif
     call add(args, '-L' . a:line1 . ',' . a:count . ':' . path[1:-1])
   endif
@@ -3988,13 +4270,13 @@ function! fugitive#LogCommand(line1, count, range, bang, mods, args, type) abort
       call add(args, owner)
     endif
   endif
-  if empty(extra)
+  if empty(extra_paths)
     let path = ''
   endif
   if s:HasOpt(args, '-g', '--walk-reflogs')
-    let format = "%gd\t%H %gs"
+    let format = "%gd %P\t%H %gs"
   else
-    let format = "%h\t%H " . g:fugitive_summary_format
+    let format = "%h %P\t%H " . g:fugitive_summary_format
   endif
   let cmd = ['--no-pager']
   if fugitive#GitVersion(1, 9)
@@ -4004,13 +4286,13 @@ function! fugitive#LogCommand(line1, count, range, bang, mods, args, type) abort
   endif
   call extend(cmd,
         \ ['--no-color', '--no-ext-diff', '--pretty=format:fugitive ' . format] +
-        \ args + paths + extra)
+        \ args + extra_args + paths + extra_paths)
   let state.target = path
-  let title = (listnr < 0 ? ':Gclog ' : ':Gllog ') . s:fnameescape(args + paths)
+  let title = titlepre . (listnr < 0 ? 'Gclog ' : 'Gllog ') . s:fnameescape(args + paths)
-  if empty(paths + extra) && empty(a:type) && len(s:Relative('/'))
+  if empty(paths + extra_paths) && empty(a:type) && len(s:Relative('/'))
     let after = '|echohl WarningMsg|echo ' . string('Use :0Glog or :0Gclog for old behavior of targeting current file') . '|echohl NONE' . after
   endif
-  return s:QuickfixStream(listnr, title, s:UserCommandList(dir) + cmd, !a:bang, s:function('s:LogParse'), state, dir) . after
+  return s:QuickfixStream(listnr, 'log', title, s:UserCommandList(dir) + cmd, !a:bang, s:function('s:LogParse'), state, dir) . after
 endfunction
 
 " Section: :Gedit, :Gpedit, :Gsplit, :Gvsplit, :Gtabedit, :Gread
@@ -5428,7 +5710,12 @@ function! fugitive#BrowseCommand(line1, count, range, bang, mods, arg, args) abo
       endif
       let i = 0
       while commit =~# '^ref: ' && i < 10
-        let commit = readfile(cdir . '/' . commit[5:-1], '', 1)[0]
+        let ref_file = cdir . '/' . commit[5:-1]
+        if getfsize(ref_file) > 0
+          let commit = readfile(ref_file, '', 1)[0]
+        else
+          let commit = fugitive#RevParse(commit[5:-1], dir)
+        endif
         let i -= 1
       endwhile
     endif

sources_non_forked/vim-fugitive/doc/fugitive.txt

@@ -103,9 +103,23 @@ that are part of Git repositories).
 :Glgrep[!] [args]       |:lgrep|[!] with git-grep as 'grepprg'.
 :0Git[!] grep [args]
 
+                                                *:Git-difftool*
+:Git[!] difftool [args] Invoke `git diff [args]` and load the changes into the
+                        quickfix list.  Each changed hunk gets a separate
+                        quickfix entry unless you pass an option like
+                        --name-only or --name-status.  Jumps to the first
+                        change unless [!] is given.
+
+:Git difftool -y [args] Invoke `git diff [args]`, open each changed file in a
+                        new tab, and invoke `:Gdiffsplit` against the
+                        appropriate commit.
+
+                                                *:Git-mergetool*
+:Git mergetool [args]   Like |:Git-difftool|, but target merge conflicts.
+
                                                  *:Gclog* *:Glog*
 :Gclog[!] [args]        Use git-log [args] to load the commit history into the
-:Glog[!] [args]         |quickfix| list.  Jump to the first commit unless [!]
+:Glog[!] [args]         |quickfix| list.  Jumps to the first commit unless [!]
                         is given.
 
 :{range}Gclog[!] [args] Use git-log -L to load previous revisions of the given

sources_non_forked/vim-gitgutter/README.mkd

@@ -82,7 +82,7 @@ This is to avoid a problem which occurs if you have file named `git.*` (i.e. wit
 
 ### Getting started
 
-When you make a change to a file tracked by git, the diff markers should appear automatically.  The delay is governed by vim's `updatetime` option; the default value is `4000`, i.e. 4 seconds, but I suggest reducing it to around 100ms (add `set updatetime=100` to your vimrc).
+When you make a change to a file tracked by git, the diff markers should appear automatically.  The delay is governed by vim's `updatetime` option; the default value is `4000`, i.e. 4 seconds, but I suggest reducing it to around 100ms (add `set updatetime=100` to your vimrc).  Note `updatetime` also controls the delay before vim writes its swap file (see `:help updatetime`).
 
 You can jump between hunks with `[c` and `]c`.  You can preview, stage, and undo hunks with `<leader>hp`, `<leader>hs`, and `<leader>hu` respectively.
 
@@ -115,13 +115,15 @@ And you can turn line highlighting on and off (defaults to off):
 * turn off with `:GitGutterLineHighlightsDisable`
 * toggle with `:GitGutterLineHighlightsToggle`.
 
+Note that if you have line highlighting on and signs off, you will have an empty sign column – more accurately, a sign column with invisible signs.  This is because line highlighting requires signs and Vim/NeoVim always shows the sign column when there are signs even if the signs are invisible.
+
 With Neovim 0.3.2 or higher, you can turn line number highlighting on and off (defaults to off):
 
 * turn on with `:GitGutterLineNrHighlightsEnable`
 * turn off with `:GitGutterLineNrHighlightsDisable`
 * toggle with `:GitGutterLineNrHighlightsToggle`.
 
-Note that if you have line highlighting on and signs off, you will have an empty sign column – more accurately, a sign column with invisible signs.  This is because line highlighting requires signs and Vim always shows the sign column even if the signs are invisible.
+The same caveat applies to line number highlighting as to line highlighting just above.
 
 If you switch off both line highlighting and signs, you won't see the sign column.
 
@@ -649,7 +651,7 @@ Here are some things you can check:
 
 #### When signs take a few seconds to appear
 
-* Try reducing `updatetime`, e.g. `set updatetime=100`.
+* Try reducing `updatetime`, e.g. `set updatetime=100`.  Note this also controls the delay before vim writes its swap file.
 
 #### When signs don't update after focusing Vim
 

sources_non_forked/vim-gitgutter/doc/gitgutter.txt

@@ -249,7 +249,8 @@ OPTIONS                                                     *gitgutter-options*
 
 The most important option is 'updatetime' which determines how long (in
 milliseconds) the plugin will wait after you stop typing before it updates the
-signs.  Vim's default is 4000.  I recommend 100.
+signs.  Vim's default is 4000.  I recommend 100.  Note this also controls how
+long vim waits before writing its swap file.
 
 Most important option:~
 
@@ -624,6 +625,8 @@ Try reducing 'updatetime':
     set updatetime=100
 <
 
+Note this also controls how long vim waits before writing its swap file.
+
 
 When signs don't update after focusing Vim:~
 

sources_non_forked/vim-snippets/UltiSnips/octave.snippets

@@ -0,0 +1,2 @@
+extends matlab
+

sources_non_forked/vim-snippets/snippets/octave.snippets

@@ -0,0 +1,2 @@
+extends matlab
+

sources_non_forked/vim-snippets/snippets/pandoc.snippets

@@ -0,0 +1,2 @@
+extends markdown
+