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ultimate-vim/sources_non_forked/vim-airline/autoload/airline/extensions/branch.vim

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VimL

" MIT License. Copyright (c) 2013-2016 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
let s:has_fugitive = exists('*fugitive#head')
let s:has_lawrencium = exists('*lawrencium#statusline')
let s:has_vcscommand = get(g:, 'airline#extensions#branch#use_vcscommand', 0) && exists('*VCSCommandGetStatusLine')
if !s:has_fugitive && !s:has_lawrencium && !s:has_vcscommand
finish
endif
let s:git_dirs = {}
let s:untracked_git = {}
let s:untracked_hg = {}
let s:head_format = get(g:, 'airline#extensions#branch#format', 0)
if s:head_format == 1
function! s:format_name(name)
return fnamemodify(a:name, ':t')
endfunction
elseif s:head_format == 2
function! s:format_name(name)
return pathshorten(a:name)
endfunction
elseif type(s:head_format) == type('')
function! s:format_name(name)
return call(s:head_format, [a:name])
endfunction
else
function! s:format_name(name)
return a:name
endfunction
endif
function! s:get_git_branch(path)
if !s:has_fugitive
return ''
endif
let name = fugitive#head(7)
if empty(name)
if has_key(s:git_dirs, a:path)
return s:git_dirs[a:path]
endif
let dir = fugitive#extract_git_dir(a:path)
if empty(dir)
let name = ''
else
try
let line = join(readfile(dir . '/HEAD'))
if strpart(line, 0, 16) == 'ref: refs/heads/'
let name = strpart(line, 16)
else
" raw commit hash
let name = strpart(line, 0, 7)
endif
catch
let name = ''
endtry
endif
endif
let s:git_dirs[a:path] = name
return name
endfunction
function! s:get_git_untracked(file)
let untracked = ''
if empty(a:file)
return untracked
endif
if has_key(s:untracked_git, a:file)
let untracked = s:untracked_git[a:file]
else
let output = system('git status --porcelain -- '. a:file)
if output[0:1] is# '??' && output[3:-2] is? a:file
let untracked = get(g:, 'airline#extensions#branch#notexists', g:airline_symbols.notexists)
endif
let s:untracked_git[a:file] = untracked
endif
return untracked
endfunction
function! s:get_hg_untracked(file)
if s:has_lawrencium
" delete cache when unlet b:airline head?
let untracked = ''
if empty(a:file)
return untracked
endif
if has_key(s:untracked_hg, a:file)
let untracked = s:untracked_hg[a:file]
else
let untracked = (system('hg status -u -- '. a:file)[0] is# '?' ?
\ get(g:, 'airline#extensions#branch#notexists', g:airline_symbols.notexists) : '')
let s:untracked_hg[a:file] = untracked
endif
return untracked
endif
endfunction
function! s:get_hg_branch()
if s:has_lawrencium
return lawrencium#statusline()
endif
return ''
endfunction
function! airline#extensions#branch#head()
if exists('b:airline_head') && !empty(b:airline_head)
return b:airline_head
endif
let b:airline_head = ''
let l:heads = {}
let l:vcs_priority = get(g:, "airline#extensions#branch#vcs_priority", ["git", "mercurial"])
let found_fugitive_head = 0
let l:git_head = s:get_git_branch(expand("%:p:h"))
let l:hg_head = s:get_hg_branch()
if !empty(l:git_head)
let found_fugitive_head = 1
let l:heads.git = (!empty(l:hg_head) ? "git:" : '') . s:format_name(l:git_head)
let l:git_untracked = s:get_git_untracked(expand("%:p"))
let l:heads.git .= l:git_untracked
endif
if !empty(l:hg_head)
let l:heads.mercurial = (!empty(l:git_head) ? "hg:" : '') . s:format_name(l:hg_head)
let l:hg_untracked = s:get_hg_untracked(expand("%:p"))
let l:heads.mercurial.= l:hg_untracked
endif
if empty(l:heads)
if s:has_vcscommand
call VCSCommandEnableBufferSetup()
if exists('b:VCSCommandBufferInfo')
let b:airline_head = s:format_name(get(b:VCSCommandBufferInfo, 0, ''))
endif
endif
else
for vcs in l:vcs_priority
if has_key(l:heads, vcs)
if !empty(b:airline_head)
let b:airline_head = b:airline_head . " | "
endif
let b:airline_head = b:airline_head . l:heads[vcs]
endif
endfor
endif
if exists("g:airline#extensions#branch#displayed_head_limit")
let w:displayed_head_limit = g:airline#extensions#branch#displayed_head_limit
if len(b:airline_head) > w:displayed_head_limit - 1
let b:airline_head = b:airline_head[0:(w:displayed_head_limit - 1)].(&encoding ==? 'utf-8' ? '…' : '.')
endif
endif
if empty(b:airline_head) || !found_fugitive_head && !s:check_in_path()
let b:airline_head = ''
endif
return b:airline_head
endfunction
function! airline#extensions#branch#get_head()
let head = airline#extensions#branch#head()
let empty_message = get(g:, 'airline#extensions#branch#empty_message', '')
let symbol = get(g:, 'airline#extensions#branch#symbol', g:airline_symbols.branch)
return empty(head)
\ ? empty_message
\ : printf('%s%s', empty(symbol) ? '' : symbol.(g:airline_symbols.space), head)
endfunction
function! s:check_in_path()
if !exists('b:airline_branch_path')
let root = get(b:, 'git_dir', get(b:, 'mercurial_dir', ''))
let bufferpath = resolve(fnamemodify(expand('%'), ':p'))
if !filereadable(root) "not a file
" if .git is a directory, it's the old submodule format
if match(root, '\.git$') >= 0
let root = expand(fnamemodify(root, ':h'))
else
" else it's the newer format, and we need to guesstimate
let pattern = '\.git\(\\\|\/\)modules\(\\\|\/\)'
if match(root, pattern) >= 0
let root = substitute(root, pattern, '', '')
endif
endif
endif
let b:airline_file_in_root = stridx(bufferpath, root) > -1
endif
return b:airline_file_in_root
endfunction
function! s:reset_untracked_cache()
if exists("s:untracked_git")
let s:untracked_git={}
endif
if exists("s:untracked_hg")
let s:untracked_hg={}
endif
endfunction
function! airline#extensions#branch#init(ext)
call airline#parts#define_function('branch', 'airline#extensions#branch#get_head')
autocmd BufReadPost * unlet! b:airline_file_in_root
autocmd CursorHold,ShellCmdPost,CmdwinLeave * unlet! b:airline_head
autocmd User AirlineBeforeRefresh unlet! b:airline_head
autocmd BufWritePost,ShellCmdPost * call s:reset_untracked_cache()
endfunction