Update vim-ruby.

sources_non_forked/vim-ruby/ftplugin/eruby.vim

@@ -85,8 +85,12 @@ runtime! ftplugin/ruby.vim ftplugin/ruby_*.vim ftplugin/ruby/*.vim
 let b:did_ftplugin = 1
 
 " Combine the new set of values with those previously included.
-if exists("b:undo_ftplugin")
+if !exists('b:undo_ftplugin')
-  let s:undo_ftplugin = b:undo_ftplugin . " | " . s:undo_ftplugin
+  " No-op
+  let b:undo_ftplugin = 'exe'
+endif
+if !empty(s:undo_ftplugin)
+  let b:undo_ftplugin .= '|' . s:undo_ftplugin
 endif
 if exists ("b:browsefilter")
   let s:browsefilter = substitute(b:browsefilter,'\cAll Files (\*\.\*)\t\*\.\*\n','','') . s:browsefilter
@@ -118,7 +122,7 @@ endif
 setlocal commentstring=<%#%s%>
 
 let b:undo_ftplugin = "setl cms< " .
-      \ " | unlet! b:browsefilter b:match_words | " . s:undo_ftplugin
+      \ " | unlet! b:browsefilter b:match_words | " . b:undo_ftplugin
 
 let &cpo = s:save_cpo
 unlet s:save_cpo

sources_non_forked/vim-ruby/ftplugin/ruby.vim

@@ -52,7 +52,7 @@ endif
 " TODO:
 "setlocal define=^\\s*def
 
-setlocal comments=:#
+setlocal comments=b:#
 setlocal commentstring=#\ %s
 
 if !exists('g:ruby_version_paths')
@@ -86,8 +86,14 @@ endfunction
 
 function! s:build_path(path) abort
   let path = join(map(copy(a:path), 'v:val ==# "." ? "" : v:val'), ',')
-  if &g:path !~# '\v^%(\.,)=%(/%(usr|emx)/include,)=,$'
+  if &g:path =~# '\v^%(\.,)=%(/%(usr|emx)/include,)=,$'
-    let path = substitute(&g:path,',,$',',','') . ',' . path
+    let path = path . ',.,,'
+  elseif &g:path =~# ',\.,,$'
+    let path = &g:path[0:-4] . path . ',.,,'
+  elseif &g:path =~# ',,$'
+    let path = &g:path[0:-2] . path . ',,'
+  else
+    let path = substitute(&g:path, '[^,]\zs$', ',', '') . path
   endif
   return path
 endfunction
@@ -163,6 +169,8 @@ let b:undo_ftplugin .= "| sil! cunmap <buffer> <Plug><ctag>| sil! cunmap <buffer
 if !exists("g:no_plugin_maps") && !exists("g:no_ruby_maps")
   nmap <buffer><script> <SID>:  :<C-U>
   nmap <buffer><script> <SID>c: :<C-U><C-R>=v:count ? v:count : ''<CR>
+  cmap <buffer> <SID><cfile> <Plug><cfile>
+  cmap <buffer> <SID><ctag>  <Plug><ctag>
 
   nnoremap <silent> <buffer> [m :<C-U>call <SID>searchsyn('\<def\>',['rubyDefine'],'b','n')<CR>
   nnoremap <silent> <buffer> ]m :<C-U>call <SID>searchsyn('\<def\>',['rubyDefine'],'','n')<CR>
@@ -209,20 +217,20 @@ if !exists("g:no_plugin_maps") && !exists("g:no_ruby_maps")
   call s:map('c', '', '<C-R><C-F> <Plug><cfile>')
 
   cmap <buffer><script><expr> <SID>tagzv &foldopen =~# 'tag' ? '<Bar>norm! zv' : ''
-  call s:map('n', '<silent>', '<C-]>       <SID>:exe  v:count1."tag <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', '<C-]>       <SID>:exe  v:count1."tag <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', 'g<C-]>      <SID>:exe         "tjump <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', 'g<C-]>      <SID>:exe         "tjump <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', 'g]          <SID>:exe       "tselect <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', 'g]          <SID>:exe       "tselect <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', '<C-W>]      <SID>:exe v:count1."stag <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', '<C-W>]      <SID>:exe v:count1."stag <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', '<C-W><C-]>  <SID>:exe v:count1."stag <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', '<C-W><C-]>  <SID>:exe v:count1."stag <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', '<C-W>g<C-]> <SID>:exe        "stjump <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', '<C-W>g<C-]> <SID>:exe        "stjump <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', '<C-W>g]     <SID>:exe      "stselect <Plug><ctag>"<SID>tagzv<CR>')
+  call s:map('n', '<script><silent>', '<C-W>g]     <SID>:exe      "stselect <SID><ctag>"<SID>tagzv<CR>')
-  call s:map('n', '<silent>', '<C-W>}      <SID>:exe v:count1."ptag <Plug><ctag>"<CR>')
+  call s:map('n', '<script><silent>', '<C-W>}      <SID>:exe v:count1."ptag <SID><ctag>"<CR>')
-  call s:map('n', '<silent>', '<C-W>g}     <SID>:exe        "ptjump <Plug><ctag>"<CR>')
+  call s:map('n', '<script><silent>', '<C-W>g}     <SID>:exe        "ptjump <SID><ctag>"<CR>')
 
-  call s:map('n', '<silent>', 'gf           <SID>c:find <Plug><cfile><CR>')
+  call s:map('n', '<script><silent>', 'gf           <SID>c:find <SID><cfile><CR>')
-  call s:map('n', '<silent>', '<C-W>f      <SID>c:sfind <Plug><cfile><CR>')
+  call s:map('n', '<script><silent>', '<C-W>f      <SID>c:sfind <SID><cfile><CR>')
-  call s:map('n', '<silent>', '<C-W><C-F>  <SID>c:sfind <Plug><cfile><CR>')
+  call s:map('n', '<script><silent>', '<C-W><C-F>  <SID>c:sfind <SID><cfile><CR>')
-  call s:map('n', '<silent>', '<C-W>gf   <SID>c:tabfind <Plug><cfile><CR>')
+  call s:map('n', '<script><silent>', '<C-W>gf   <SID>c:tabfind <SID><cfile><CR>')
 endif
 
 let &cpo = s:cpo_save

sources_non_forked/vim-ruby/indent/ruby.vim

@@ -39,9 +39,11 @@ setlocal nosmartindent
 " Now, set up our indentation expression and keys that trigger it.
 setlocal indentexpr=GetRubyIndent(v:lnum)
 setlocal indentkeys=0{,0},0),0],!^F,o,O,e,:,.
-setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue,==begin,==end
+setlocal indentkeys+==end,=else,=elsif,=when,=in\ ,=ensure,=rescue,==begin,==end
 setlocal indentkeys+==private,=protected,=public
 
+let b:undo_indent = "setlocal indentexpr< indentkeys< smartindent<"
+
 " Only define the function once.
 if exists("*GetRubyIndent")
   finish
@@ -84,7 +86,7 @@ let s:skip_expr =
 " Regex used for words that, at the start of a line, add a level of indent.
 let s:ruby_indent_keywords =
       \ '^\s*\zs\<\%(module\|class\|if\|for' .
-      \   '\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue' .
+      \   '\|while\|until\|else\|elsif\|case\|when\|in\|unless\|begin\|ensure\|rescue' .
       \   '\|\%(\K\k*[!?]\?\s\+\)\=def\):\@!\>' .
       \ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' .
       \    '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>'
@@ -94,7 +96,7 @@ let s:ruby_endless_def = '\<def\s\+\k\+[!?]\=\%((.*)\|\s\)\s*='
 
 " Regex used for words that, at the start of a line, remove a level of indent.
 let s:ruby_deindent_keywords =
-      \ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|end\):\@!\>'
+      \ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|in\|end\):\@!\>'
 
 " Regex that defines the start-match for the 'end' keyword.
 "let s:end_start_regex = '\%(^\|[^.]\)\<\%(module\|class\|def\|if\|for\|while\|until\|case\|unless\|begin\|do\)\>'
@@ -106,7 +108,7 @@ let s:end_start_regex =
       \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'
 
 " Regex that defines the middle-match for the 'end' keyword.
-let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|elsif\):\@!\>'
+let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|\%(\%(^\|;\)\s*\)\@<=\<in\|elsif\):\@!\>'
 
 " Regex that defines the end-match for the 'end' keyword.
 let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>'

sources_non_forked/vim-ruby/spec/indent/case_in_spec.rb

@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe "Indenting" do
+  # Reference: https://docs.ruby-lang.org/en/master/doc/syntax/pattern_matching_rdoc.html
+  specify "pattern-matching with case-in" do
+    assert_correct_indenting 'rb', <<~EOF
+      case {a: a}
+      in {a:}
+        p a
+      end
+    EOF
+
+    assert_correct_indenting 'rb', <<~EOF
+      users = [{name: "Alice", age: 12}, {name: "Bob", age: 23}]
+      users.any? do |user|
+        user in {name: /B/, in: 20..}
+      end #=> true
+    EOF
+  end
+
+  specify "does not deindent while typing" do
+    assert_correct_indent_in_insert 'rb', <<~EOF, "index = 0", <<~RESULT
+      def foo
+    EOF
+      def foo
+        index = 0
+    RESULT
+  end
+end

sources_non_forked/vim-ruby/spec/spec_helper.rb

@@ -35,6 +35,19 @@ Vimrunner::RSpec.configure do |config|
     expect(IO.read(filename)).to eq string
   end
 
+  def assert_correct_indent_in_insert(extension='rb', content, input, result)
+    filename = "test.#{extension}"
+
+    IO.write filename, content
+
+    vim.edit filename
+    vim.normal 'Go'
+    vim.feedkeys input
+    vim.write
+
+    expect(IO.read(filename)).to eq result
+  end
+
   def assert_correct_highlighting(extension='rb', string, patterns, group)
     filename = "test.#{extension}"
 

sources_non_forked/vim-ruby/spec/syntax/methods_spec.rb

@@ -33,4 +33,15 @@ describe "Syntax highlighting" do
       def foo bar:; end
     EOF
   end
+
+  specify "endless def does not start a method region" do
+    assert_correct_highlighting <<~'EOF', 'end', ''
+      def foo = bar
+      end
+    EOF
+    assert_correct_highlighting <<~'EOF', 'end', ''
+      def foo (a, b) = bar
+      end
+    EOF
+  end
 end

sources_non_forked/vim-ruby/syntax/eruby.vim

@@ -4,7 +4,7 @@
 " URL:			https://github.com/vim-ruby/vim-ruby
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
 
-if &syntax !~# '\<eruby\>' || get(b:, 'current_syntax') =~# '\<eruby\>'
+if exists("b:current_syntax")
   finish
 endif
 
@@ -18,8 +18,6 @@ endif
 
 if &filetype =~ '^eruby\.'
   let b:eruby_subtype = matchstr(&filetype,'^eruby\.\zs\w\+')
-elseif &filetype =~ '^.*\.eruby\>'
-  let b:eruby_subtype = matchstr(&filetype,'^.\{-\}\ze\.eruby\>')
 elseif !exists("b:eruby_subtype") && main_syntax == 'eruby'
   let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
   let b:eruby_subtype = matchstr(s:lines,'eruby_subtype=\zs\w\+')
@@ -53,10 +51,10 @@ if !b:eruby_nest_level
   let b:eruby_nest_level = 1
 endif
 
-if get(b:, 'eruby_subtype', '') !~# '^\%(eruby\)\=$' && &syntax =~# '^eruby\>'
+if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=? 'eruby'
   exe "runtime! syntax/".b:eruby_subtype.".vim"
-endif
   unlet! b:current_syntax
+endif
 syn include @rubyTop syntax/ruby.vim
 
 syn cluster erubyRegions contains=erubyOneLiner,erubyBlock,erubyExpression,erubyComment
@@ -71,7 +69,7 @@ exe 'syn region  erubyComment    matchgroup=erubyDelimiter start="<%\{1,'.b:erub
 hi def link erubyDelimiter		PreProc
 hi def link erubyComment		Comment
 
-let b:current_syntax = matchstr(&syntax, '^.*\<eruby\>')
+let b:current_syntax = 'eruby'
 
 if main_syntax == 'eruby'
   unlet main_syntax

sources_non_forked/vim-ruby/syntax/ruby.vim

@@ -145,7 +145,7 @@ syn cluster rubyStringNotTop	 contains=@rubyStringSpecial,@rubyNestedBrackets,@r
 
 " Regular Expression Metacharacters {{{1
 syn region rubyRegexpComment	  matchgroup=rubyRegexpSpecial	 start="(?#"								     skip="\\\\\|\\)"  end=")"	contained
-syn region rubyRegexpParens	  matchgroup=rubyRegexpSpecial	 start="(\(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\\\\|\\)"  end=")"  contained transparent contains=@rubyRegexpSpecial
+syn region rubyRegexpParens	  matchgroup=rubyRegexpSpecial	 start="(\%(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\\\\|\\)"  end=")"	contained transparent contains=@rubyRegexpSpecial
 syn region rubyRegexpBrackets	  matchgroup=rubyRegexpCharClass start="\[\^\="								     skip="\\\\\|\\\]" end="\]" contained transparent contains=rubyRegexpBrackets,rubyStringEscape,rubyRegexpEscape,rubyRegexpCharClass,rubyRegexpIntersection oneline
 syn match  rubyRegexpCharClass	  "\\[DdHhRSsWw]"	 contained display
 syn match  rubyRegexpCharClass	  "\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|word\|xdigit\):\]" contained
@@ -345,7 +345,7 @@ syn cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,
 syn match rubyControl	     "\%#=1\<\%(break\|in\|next\|redo\|retry\|return\)\>"
 syn match rubyKeyword	     "\%#=1\<\%(super\|yield\)\>"
 syn match rubyBoolean	     "\%#=1\<\%(true\|false\)\>[?!]\@!"
-syn match rubyPseudoVariable "\%#=1\<\(self\|nil\)\>[?!]\@!"
+syn match rubyPseudoVariable "\%#=1\<\%(self\|nil\)\>[?!]\@!"
 syn match rubyPseudoVariable "\%#=1\<__\%(ENCODING\|dir\|FILE\|LINE\|callee\|method\)__\>"
 syn match rubyBeginEnd	     "\%#=1\<\%(BEGIN\|END\)\>"
 
@@ -363,6 +363,9 @@ if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive")
   SynFold 'class'  syn region rubyClassBlock  start="\<class\>"  matchgroup=rubyClass  skip="\<end:"			       end="\<end\>" contains=ALLBUT,@rubyNotTop
   SynFold 'module' syn region rubyModuleBlock start="\<module\>" matchgroup=rubyModule skip="\<end:"			       end="\<end\>" contains=ALLBUT,@rubyNotTop
 
+  " endless def
+  syn match rubyDefine "\<def\s\+\ze[^[:space:];#(]\+\%(\s\+\|\s*(.*)\s*\)=" nextgroup=rubyMethodDeclaration skipwhite
+
   " modifiers
   syn match rubyLineContinuation    "\\$" nextgroup=@rubyModifier skipwhite skipnl
   syn match rubyConditionalModifier "\<\%(if\|unless\)\>"
@@ -414,7 +417,7 @@ if !exists("ruby_no_special_methods")
   syn match rubyAccess	  "\%#=1\<\%(public\|private\)_class_method\>"
   syn match rubyAccess	  "\%#=1\<\%(public\|private\)_constant\>"
   syn match rubyAccess	  "\%#=1\<module_function\>"
-  syn match rubyAttribute "\%#=1\%(\%(^\|;\)\s*\)\@<=attr\>\(\s*[.=]\)\@!" " attr is a common variable name
+  syn match rubyAttribute "\%#=1\%(\%(^\|;\)\s*\)\@<=attr\>\%(\s*[.=]\)\@!" " attr is a common variable name
   syn match rubyAttribute "\%#=1\<attr_\%(accessor\|reader\|writer\)\>"
   syn match rubyControl   "\%#=1\<\%(abort\|at_exit\|exit\|fork\|loop\|trap\)\>"
   syn match rubyEval	  "\%#=1\<eval\>"