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" ============================================================================
" File: vcs.vim
" Description: NERDTree plugin that provides a command to open on the root of
" a version control system repository.
" Maintainer: Phil Runninger
" License: This program is free software. It comes without any warranty,
" to the extent permitted by applicable law. You can redistribute
" it and/or modify it under the terms of the Do What The Fuck You
" Want To Public License, Version 2, as published by Sam Hocevar.
" See http://sam.zoy.org/wtfpl/COPYING for more details.
"
" ============================================================================
command! -n=? -complete=dir -bar NERDTreeVCS :call <SID>CreateTabTreeVCS('<args>')
command! -n=? -complete=dir -bar NERDTreeToggleVCS :call <SID>ToggleTabTreeVCS('<args>')
" FUNCTION: s:CreateTabTreeVCS(a:name) {{{1
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())
endfunction
" FUNCTION: s:ToggleTabTreeVCS(a:name) {{{1
" Behaves the same as ToggleTabTree except roots directory at VCS root
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())
endfunction
" FUNCTION: s:FindParentVCSRoot(a:path) {{{1
" Finds the root version control system folder of the given path. If a:path is
" not part of a repository, return the original path.
function! s:FindParentVCSRoot(path)
let l:path = a:path
while !empty(l:path) &&
\ l:path._str() !~# '^\(\a:[\\\/]\|\/\)$' &&
\ !isdirectory(l:path._str() . '/.git') &&
\ !isdirectory(l:path._str() . '/.svn') &&
\ !isdirectory(l:path._str() . '/.hg') &&
\ !isdirectory(l:path._str() . '/.bzr') &&
\ !isdirectory(l:path._str() . '/_darcs')
let l:path = l:path.getParent()
endwhile
return (empty(l:path) || l:path._str() =~# '^\(\a:[\\\/]\|\/\)$') ? a:path : l:path
endfunction
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