mirror of
https://github.com/airblade/vim-gitgutter.git
synced 2025-11-09 03:53:47 -05:00
7e8d2fb5a6
Since we start all external commands by cd'ing to the current file's directory, we can use the file's name instead of its full path. The exception is `git show :FILE` where we must use a path relative to the repo root for maximum git compatibility. It turns out `git rev-parse` takes a `--show-prefix` argument which makes our relative path calculation far simpler. Minimising files paths has these benefits: - Easier to inspect the generated commands. - Less opportunity for escaping problems. - Eliminates possible mismatches betwen absolute paths generated by git and absolute paths generated by Vim (crops up with msys/msys2 on Windows). Thanks to @suxpert for helping with this.
101 lines
2.9 KiB
VimL
101 lines
2.9 KiB
VimL
let s:file = ''
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function! utility#is_active()
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return g:gitgutter_enabled && utility#exists_file()
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endfunction
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" A replacement for the built-in `shellescape(arg)`.
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"
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" Recent versions of Vim handle shell escaping pretty well. However older
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" versions aren't as good. This attempts to do the right thing.
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"
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" See:
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" https://github.com/tpope/vim-fugitive/blob/8f0b8edfbd246c0026b7a2388e1d883d579ac7f6/plugin/fugitive.vim#L29-L37
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function! utility#shellescape(arg)
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if a:arg =~ '^[A-Za-z0-9_/.-]\+$'
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return a:arg
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elseif &shell =~# 'cmd'
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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! utility#current_file()
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return expand('%:p')
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endfunction
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function! utility#set_file(file)
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let s:file = a:file
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endfunction
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function! utility#file()
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return s:file
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endfunction
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function! utility#filename()
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return fnamemodify(s:file, ':t')
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endfunction
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function! utility#directory_of_file()
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return fnamemodify(s:file, ':h')
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endfunction
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function! utility#exists_file()
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return filereadable(utility#file())
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endfunction
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function! utility#has_unsaved_changes(file)
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return getbufvar(a:file, "&mod")
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endfunction
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function! utility#has_fresh_changes(file)
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return getbufvar(a:file, 'changedtick') != getbufvar(a:file, 'gitgutter_last_tick')
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endfunction
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function! utility#save_last_seen_change(file)
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call setbufvar(a:file, 'gitgutter_last_tick', getbufvar(a:file, 'changedtick'))
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endfunction
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function! utility#buffer_contents()
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if &fileformat ==# "dos"
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let eol = "\r\n"
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elseif &fileformat ==# "mac"
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let eol = "\r"
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else
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let eol = "\n"
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endif
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return join(getbufline(s:file, 1, '$'), eol) . eol
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endfunction
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function! utility#file_relative_to_repo_root()
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let file_path_relative_to_repo_root = getbufvar(s:file, 'gitgutter_repo_relative_path')
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if empty(file_path_relative_to_repo_root)
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let dir_path_relative_to_repo_root = system(utility#command_in_directory_of_file('git rev-parse --show-prefix'))
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let dir_path_relative_to_repo_root = utility#strip_trailing_new_line(dir_path_relative_to_repo_root)
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let file_path_relative_to_repo_root = dir_path_relative_to_repo_root . utility#filename()
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call setbufvar(s:file, 'gitgutter_repo_relative_path', file_path_relative_to_repo_root)
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endif
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return file_path_relative_to_repo_root
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endfunction
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function! utility#command_in_directory_of_file(cmd)
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return 'cd ' . utility#shellescape(utility#directory_of_file()) . ' && ' . a:cmd
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endfunction
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function! utility#highlight_name_for_change(text)
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if a:text ==# 'added'
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return 'GitGutterLineAdded'
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elseif a:text ==# 'removed'
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return 'GitGutterLineRemoved'
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elseif a:text ==# 'modified'
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return 'GitGutterLineModified'
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elseif a:text ==# 'modified_removed'
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return 'GitGutterLineModifiedRemoved'
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endif
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endfunction
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function utility#strip_trailing_new_line(line)
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return substitute(a:line, '\n$', '', '')
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endfunction
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