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let s:file = ''
let s:using_xolox_shell = -1
let s:exit_code = 0
function! gitgutter#utility#warn(message) abort
echohl WarningMsg
echo 'vim-gitgutter: ' . a:message
echohl None
let v:warningmsg = a:message
endfunction
function! gitgutter#utility#warn_once(message, key) abort
if empty(getbufvar(s:bufnr, a:key))
call setbufvar(s:bufnr, a:key, '1')
echohl WarningMsg
redraw | echo 'vim-gitgutter: ' . a:message
echohl None
let v:warningmsg = a:message
endif
endfunction
" Returns truthy when the buffer's file should be processed; and falsey when it shouldn't.
" This function does not and should not make any system calls.
function! gitgutter#utility#is_active() abort
return g:gitgutter_enabled &&
\ !pumvisible() &&
\ gitgutter#utility#is_file_buffer() &&
\ gitgutter#utility#exists_file() &&
\ gitgutter#utility#not_git_dir()
endfunction
function! gitgutter#utility#not_git_dir() abort
return gitgutter#utility#full_path_to_directory_of_file() !~ '[/\\]\.git\($\|[/\\]\)'
endfunction
function! gitgutter#utility#is_file_buffer() abort
return empty(getbufvar(s:bufnr, '&buftype'))
endfunction
" A replacement for the built-in `shellescape(arg)`.
"
" Recent versions of Vim handle shell escaping pretty well. However older
" versions aren't as good. This attempts to do the right thing.
"
" See:
" https://github.com/tpope/vim-fugitive/blob/8f0b8edfbd246c0026b7a2388e1d883d579ac7f6/plugin/fugitive.vim#L29-L37
function! gitgutter#utility#shellescape(arg) abort
if a:arg =~ '^[A-Za-z0-9_/.-]\+$'
return a:arg
elseif &shell =~# 'cmd' || gitgutter#utility#using_xolox_shell()
return '"' . substitute(substitute(a:arg, '"', '""', 'g'), '%', '"%"', 'g') . '"'
else
return shellescape(a:arg)
endif
endfunction
function! gitgutter#utility#set_buffer(bufnr) abort
let s:bufnr = a:bufnr
let s:file = resolve(bufname(a:bufnr))
endfunction
function! gitgutter#utility#bufnr()
return s:bufnr
endfunction
function! gitgutter#utility#file()
return s:file
endfunction
function! gitgutter#utility#filename() abort
return fnamemodify(s:file, ':t')
endfunction
function! gitgutter#utility#extension() abort
return fnamemodify(s:file, ':e')
endfunction
function! gitgutter#utility#full_path_to_directory_of_file() abort
return fnamemodify(s:file, ':p:h')
endfunction
function! gitgutter#utility#directory_of_file() abort
return fnamemodify(s:file, ':h')
endfunction
function! gitgutter#utility#exists_file() abort
return filereadable(s:file)
endfunction
function! gitgutter#utility#has_unsaved_changes() abort
return getbufvar(s:bufnr, "&mod")
endfunction
function! gitgutter#utility#has_fresh_changes() abort
return getbufvar(s:bufnr, 'changedtick') != getbufvar(s:bufnr, 'gitgutter_last_tick')
endfunction
function! gitgutter#utility#save_last_seen_change() abort
call setbufvar(s:bufnr, 'gitgutter_last_tick', getbufvar(s:bufnr, 'changedtick'))
endfunction
function! gitgutter#utility#shell_error() abort
return gitgutter#utility#using_xolox_shell() ? s:exit_code : v:shell_error
endfunction
function! gitgutter#utility#using_xolox_shell() abort
if s:using_xolox_shell == -1
if !g:gitgutter_avoid_cmd_prompt_on_windows
let s:using_xolox_shell = 0
" Although xolox/vim-shell works on both windows and unix we only want to use
" it on windows.
elseif has('win32') || has('win64') || has('win32unix')
let s:using_xolox_shell = exists('g:xolox#misc#version') && exists('g:xolox#shell#version')
else
let s:using_xolox_shell = 0
endif
endif
return s:using_xolox_shell
endfunction
function! gitgutter#utility#system(cmd, ...) abort
call gitgutter#debug#log(a:cmd, a:000)
if gitgutter#utility#using_xolox_shell()
let options = {'command': a:cmd, 'check': 0}
if a:0 > 0
let options['stdin'] = a:1
endif
let ret = xolox#misc#os#exec(options)
let output = join(ret.stdout, "\n")
let s:exit_code = ret.exit_code
else
silent let output = (a:0 == 0) ? system(a:cmd) : system(a:cmd, a:1)
endif
return output
endfunction
function! gitgutter#utility#file_relative_to_repo_root() abort
let file_path_relative_to_repo_root = getbufvar(s:bufnr, 'gitgutter_repo_relative_path')
if empty(file_path_relative_to_repo_root)
let dir_path_relative_to_repo_root = gitgutter#utility#system(gitgutter#utility#command_in_directory_of_file(g:gitgutter_git_executable.' rev-parse --show-prefix'))
let dir_path_relative_to_repo_root = gitgutter#utility#strip_trailing_new_line(dir_path_relative_to_repo_root)
let file_path_relative_to_repo_root = dir_path_relative_to_repo_root . gitgutter#utility#filename()
call setbufvar(s:bufnr, 'gitgutter_repo_relative_path', file_path_relative_to_repo_root)
endif
return file_path_relative_to_repo_root
endfunction
function! gitgutter#utility#command_in_directory_of_file(cmd) abort
return 'cd '.gitgutter#utility#shellescape(gitgutter#utility#directory_of_file()).' && '.a:cmd
endfunction
function! gitgutter#utility#highlight_name_for_change(text) abort
if a:text ==# 'added'
return 'GitGutterLineAdded'
elseif a:text ==# 'removed'
return 'GitGutterLineRemoved'
elseif a:text ==# 'removed_first_line'
return 'GitGutterLineRemovedFirstLine'
elseif a:text ==# 'modified'
return 'GitGutterLineModified'
elseif a:text ==# 'modified_removed'
return 'GitGutterLineModifiedRemoved'
endif
endfunction
function! gitgutter#utility#strip_trailing_new_line(line) abort
return substitute(a:line, '\n$', '', '')
endfunction
function! gitgutter#utility#git_version() abort
return matchstr(system(g:gitgutter_git_executable.' --version'), '[0-9.]\+')
endfunction
" True for git v1.7.2+.
function! gitgutter#utility#git_supports_command_line_config_override() abort
let [major, minor, patch; _] = split(gitgutter#utility#git_version(), '\.')
return major > 1 || (major == 1 && minor > 7) || (minor == 7 && patch > 1)
endfunction
function! gitgutter#utility#stringify(list) abort
return join(a:list, "\n")."\n"
endfunction
function! gitgutter#utility#use_known_shell() abort
if has('unix')
let s:shell = &shell
let s:shellcmdflag = &shellcmdflag
set shell=/bin/sh
set shellcmdflag=-c
endif
endfunction
function! gitgutter#utility#restore_shell() abort
if has('unix')
let &shell = s:shell
let &shellcmdflag = s:shellcmdflag
endif
endfunction
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