mirror of
https://github.com/amix/vimrc
synced 2024-12-30 05:43:07 +00:00
269 lines
8.3 KiB
VimL
269 lines
8.3 KiB
VimL
function! gitgutter#utility#supports_overscore_sign()
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if gitgutter#utility#windows()
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return &encoding ==? 'utf-8'
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else
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return &termencoding ==? &encoding || &termencoding == ''
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endif
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endfunction
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function! gitgutter#utility#setbufvar(buffer, varname, val)
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let buffer = +a:buffer
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" Default value for getbufvar() was introduced in Vim 7.3.831.
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let ggvars = getbufvar(buffer, 'gitgutter')
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if type(ggvars) == type('')
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unlet ggvars
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let ggvars = {}
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call setbufvar(buffer, 'gitgutter', ggvars)
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endif
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let ggvars[a:varname] = a:val
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endfunction
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function! gitgutter#utility#getbufvar(buffer, varname, ...)
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let buffer = +a:buffer
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let ggvars = getbufvar(buffer, 'gitgutter')
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if type(ggvars) == type({}) && has_key(ggvars, a:varname)
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return ggvars[a:varname]
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endif
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if a:0
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return a:1
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endif
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endfunction
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function! gitgutter#utility#warn(message) abort
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echohl WarningMsg
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echo a:message
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echohl None
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let v:warningmsg = a:message
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endfunction
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function! gitgutter#utility#warn_once(bufnr, message, key) abort
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if empty(gitgutter#utility#getbufvar(a:bufnr, a:key))
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call gitgutter#utility#setbufvar(a:bufnr, a:key, '1')
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echohl WarningMsg
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redraw | echom a:message
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echohl None
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let v:warningmsg = a:message
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endif
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endfunction
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" Returns truthy when the buffer's file should be processed; and falsey when it shouldn't.
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" This function does not and should not make any system calls.
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function! gitgutter#utility#is_active(bufnr) abort
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return gitgutter#utility#getbufvar(a:bufnr, 'enabled') &&
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\ !pumvisible() &&
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\ s:is_file_buffer(a:bufnr) &&
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\ s:exists_file(a:bufnr) &&
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\ s:not_git_dir(a:bufnr)
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endfunction
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function! s:not_git_dir(bufnr) abort
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return s:dir(a:bufnr) !~ '[/\\]\.git\($\|[/\\]\)'
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endfunction
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function! s:is_file_buffer(bufnr) abort
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return empty(getbufvar(a:bufnr, '&buftype'))
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endfunction
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" From tpope/vim-fugitive
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function! s:winshell()
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return &shell =~? 'cmd' || exists('+shellslash') && !&shellslash
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endfunction
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" From tpope/vim-fugitive
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function! gitgutter#utility#shellescape(arg) abort
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if a:arg =~ '^[A-Za-z0-9_/.-]\+$'
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return a:arg
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elseif s:winshell()
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return '"' . substitute(substitute(a:arg, '"', '""', 'g'), '%', '"%"', 'g') . '"'
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else
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return shellescape(a:arg)
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endif
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endfunction
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function! gitgutter#utility#file(bufnr)
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return s:abs_path(a:bufnr, 1)
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endfunction
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" Not shellescaped
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function! gitgutter#utility#extension(bufnr) abort
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return fnamemodify(s:abs_path(a:bufnr, 0), ':e')
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endfunction
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function! gitgutter#utility#system(cmd, ...) abort
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call gitgutter#debug#log(a:cmd, a:000)
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call s:use_known_shell()
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silent let output = (a:0 == 0) ? system(a:cmd) : system(a:cmd, a:1)
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call s:restore_shell()
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return output
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endfunction
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function! gitgutter#utility#has_repo_path(bufnr)
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return index(['', -1, -2], gitgutter#utility#repo_path(a:bufnr, 0)) == -1
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endfunction
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" Path of file relative to repo root.
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"
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" * empty string - not set
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" * non-empty string - path
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" * -1 - pending
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" * -2 - not tracked by git
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" * -3 - assume unchanged
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function! gitgutter#utility#repo_path(bufnr, shellesc) abort
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let p = gitgutter#utility#getbufvar(a:bufnr, 'path', '')
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return a:shellesc ? gitgutter#utility#shellescape(p) : p
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endfunction
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let s:set_path_handler = {}
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function! s:set_path_handler.out(buffer, listing) abort
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let listing = s:strip_trailing_new_line(a:listing)
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let [status, path] = [listing[0], listing[2:]]
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if status =~# '[a-z]'
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call gitgutter#utility#setbufvar(a:buffer, 'path', -3)
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else
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call gitgutter#utility#setbufvar(a:buffer, 'path', path)
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endif
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if type(self.continuation) == type(function('tr'))
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call self.continuation()
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else
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call call(self.continuation.function, self.continuation.arguments)
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endif
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endfunction
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function! s:set_path_handler.err(buffer) abort
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call gitgutter#utility#setbufvar(a:buffer, 'path', -2)
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endfunction
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" continuation - a funcref or hash to call after setting the repo path asynchronously.
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"
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" Returns 'async' if the the path is set asynchronously, 0 otherwise.
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function! gitgutter#utility#set_repo_path(bufnr, continuation) abort
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" Values of path:
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" * non-empty string - path
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" * -1 - pending
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" * -2 - not tracked by git
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" * -3 - assume unchanged
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call gitgutter#utility#setbufvar(a:bufnr, 'path', -1)
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let cmd = gitgutter#utility#cd_cmd(a:bufnr,
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\ gitgutter#git().' ls-files -v --error-unmatch --full-name -z -- '.
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\ gitgutter#utility#shellescape(gitgutter#utility#filename(a:bufnr)))
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if g:gitgutter_async && gitgutter#async#available() && !has('vim_starting')
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let handler = copy(s:set_path_handler)
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let handler.continuation = a:continuation
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call gitgutter#async#execute(cmd, a:bufnr, handler)
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return 'async'
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endif
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let listing = gitgutter#utility#system(cmd)
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if v:shell_error
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call gitgutter#utility#setbufvar(a:bufnr, 'path', -2)
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return
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endif
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let listing = s:strip_trailing_new_line(listing)
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let [status, path] = [listing[0], listing[2:]]
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if status =~# '[a-z]'
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call gitgutter#utility#setbufvar(a:bufnr, 'path', -3)
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else
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call gitgutter#utility#setbufvar(a:bufnr, 'path', path)
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endif
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endfunction
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function! gitgutter#utility#clean_smudge_filter_applies(bufnr)
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let filtered = gitgutter#utility#getbufvar(a:bufnr, 'filter', -1)
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if filtered == -1
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let cmd = gitgutter#utility#cd_cmd(a:bufnr,
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\ gitgutter#git().' check-attr filter -- '.
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\ gitgutter#utility#shellescape(gitgutter#utility#filename(a:bufnr)))
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let out = gitgutter#utility#system(cmd)
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let filtered = out !~ 'unspecified'
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call gitgutter#utility#setbufvar(a:bufnr, 'filter', filtered)
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endif
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return filtered
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endfunction
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function! gitgutter#utility#cd_cmd(bufnr, cmd) abort
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let cd = s:unc_path(a:bufnr) ? 'pushd' : (gitgutter#utility#windows() && s:dos_shell() ? 'cd /d' : 'cd')
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return cd.' '.s:dir(a:bufnr).' && '.a:cmd
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endfunction
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function! s:unc_path(bufnr)
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return s:abs_path(a:bufnr, 0) =~ '^\\\\'
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endfunction
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function! s:dos_shell()
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return &shell == 'cmd.exe' || &shell == 'command.com'
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endfunction
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function! s:use_known_shell() abort
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if has('unix') && &shell !=# 'sh'
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let [s:shell, s:shellcmdflag, s:shellredir, s:shellpipe, s:shellquote, s:shellxquote] = [&shell, &shellcmdflag, &shellredir, &shellpipe, &shellquote, &shellxquote]
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let &shell = 'sh'
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set shellcmdflag=-c shellredir=>%s\ 2>&1
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endif
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if has('win32') && (&shell =~# 'pwsh' || &shell =~# 'powershell')
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let [s:shell, s:shellcmdflag, s:shellredir, s:shellpipe, s:shellquote, s:shellxquote] = [&shell, &shellcmdflag, &shellredir, &shellpipe, &shellquote, &shellxquote]
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let &shell = 'cmd.exe'
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set shellcmdflag=/s\ /c shellredir=>%s\ 2>&1 shellpipe=>%s\ 2>&1 shellquote= shellxquote="
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endif
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endfunction
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function! s:restore_shell() abort
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if (has('unix') || has('win32')) && exists('s:shell')
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let [&shell, &shellcmdflag, &shellredir, &shellpipe, &shellquote, &shellxquote] = [s:shell, s:shellcmdflag, s:shellredir, s:shellpipe, s:shellquote, s:shellxquote]
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endif
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endfunction
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function! gitgutter#utility#get_diff_base(bufnr)
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let p = resolve(expand('#'.a:bufnr.':p'))
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let ml = matchlist(p, '\v^fugitive:/.*/(\x{40,})/')
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if !empty(ml) && !empty(ml[1])
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return ml[1].'^'
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endif
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return g:gitgutter_diff_base
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endfunction
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function! s:abs_path(bufnr, shellesc)
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let p = resolve(expand('#'.a:bufnr.':p'))
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" Remove extra parts from fugitive's filepaths
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let p = substitute(substitute(p, '^fugitive:', '', ''), '\v\.git/\x{40,}/', '', '')
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return a:shellesc ? gitgutter#utility#shellescape(p) : p
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endfunction
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function! s:dir(bufnr) abort
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return gitgutter#utility#shellescape(fnamemodify(s:abs_path(a:bufnr, 0), ':h'))
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endfunction
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" Not shellescaped.
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function! gitgutter#utility#filename(bufnr) abort
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return fnamemodify(s:abs_path(a:bufnr, 0), ':t')
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endfunction
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function! s:exists_file(bufnr) abort
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return filereadable(s:abs_path(a:bufnr, 0))
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endfunction
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" Get rid of any trailing new line or SOH character.
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"
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" git ls-files -z produces output with null line termination.
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" Vim's system() replaces any null characters in the output
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" with SOH (start of header), i.e. ^A.
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function! s:strip_trailing_new_line(line) abort
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return substitute(a:line, '[[:cntrl:]]$', '', '')
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endfunction
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function! gitgutter#utility#windows()
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return has('win64') || has('win32') || has('win16')
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endfunction
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