1" Vim filetype plugin
2" Language:	git config file
3" Maintainer:	Tim Pope <[email protected]>
4" Last Change:	2008 Jun 04
5
6" Only do this when not done yet for this buffer
7if (exists("b:did_ftplugin"))
8  finish
9endif
10
11runtime! ftplugin/git.vim
12let b:did_ftplugin = 1
13
14if &textwidth == 0
15  " make sure that log messages play nice with git-log on standard terminals
16  setlocal textwidth=72
17  if !exists("b:undo_ftplugin")
18      let b:undo_ftplugin = ""
19  endif
20  let b:undo_ftplugin = b:undo_ftplugin . "|setl tw<"
21endif
22
23if exists("g:no_gitcommit_commands") || v:version < 700
24  finish
25endif
26
27if !exists("b:git_dir")
28    let b:git_dir = expand("%:p:h")
29endif
30
31" Automatically diffing can be done with:
32"   autocmd FileType gitcommit DiffGitCached | wincmd p
33command! -bang -bar -buffer -complete=custom,s:diffcomplete -nargs=* DiffGitCached :call s:gitdiffcached(<bang>0,b:git_dir,<f-args>)
34
35function! s:diffcomplete(A,L,P)
36    let args = ""
37    if a:P <= match(a:L." -- "," -- ")+3
38        let args = args . "-p\n--stat\n--shortstat\n--summary\n--patch-with-stat\n--no-renames\n-B\n-M\n-C\n"
39    end
40    if exists("b:git_dir") && a:A !~ '^-'
41        let tree = fnamemodify(b:git_dir,':h')
42        if strpart(getcwd(),0,strlen(tree)) == tree
43            let args = args."\n".system("git diff --cached --name-only")
44        endif
45    endif
46    return args
47endfunction
48
49function! s:gitdiffcached(bang,gitdir,...)
50    let tree = fnamemodify(a:gitdir,':h')
51    let name = tempname()
52    let git = "git"
53    if strpart(getcwd(),0,strlen(tree)) != tree
54        let git .= " --git-dir=".(exists("*shellescape") ? shellescape(a:gitdir) : '"'.a:gitdir.'"')
55    endif
56    if a:0
57        let extra = join(map(copy(a:000),exists("*shellescape") ? 'shellescape(v:val)' : "'\"'.v:val.'\"'"))
58    else
59        let extra = "-p --stat=".&columns
60    endif
61    call system(git." diff --cached --no-color ".extra." > ".(exists("*shellescape") ? shellescape(name) : name))
62    exe "pedit ".(exists("*fnameescape") ? fnameescape(name) : name)
63    wincmd P
64    let b:git_dir = a:gitdir
65    command! -bang -bar -buffer -complete=custom,s:diffcomplete -nargs=* DiffGitCached :call s:gitdiffcached(<bang>0,b:git_dir,<f-args>)
66    nnoremap <silent> q :q<CR>
67    setlocal buftype=nowrite nobuflisted noswapfile nomodifiable filetype=git
68endfunction
69