mirror of
https://github.com/neovim/neovim.git
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79 lines
3.0 KiB
VimL
79 lines
3.0 KiB
VimL
" netrw_gitignore#Hide: gitignore-based hiding
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" Function returns a string of comma separated patterns convenient for
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" assignment to `g:netrw_list_hide` option.
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" Function can take additional filenames as arguments, example:
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" netrw_gitignore#Hide('custom_gitignore1', 'custom_gitignore2')
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"
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" Usage examples:
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" let g:netrw_list_hide = netrw_gitignore#Hide()
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" let g:netrw_list_hide = netrw_gitignore#Hide() . 'more,hide,patterns'
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"
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" Copyright: Copyright (C) 2013 Bruno Sutic {{{1
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" Permission is hereby granted to use and distribute this code,
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" with or without modifications, provided that this copyright
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" notice is copied with it. Like anything else that's free,
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" netrw_gitignore.vim is provided *as is* and comes with no
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" warranty of any kind, either expressed or implied. By using
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" this plugin, you agree that in no event will the copyright
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" holder be liable for any damages resulting from the use
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" of this software.
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function! netrw_gitignore#Hide(...)
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let additional_files = a:000
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let default_files = ['.gitignore', '.git/info/exclude']
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" get existing global/system gitignore files
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let global_gitignore = expand(substitute(system("git config --global core.excludesfile"), '\n', '', 'g'))
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if global_gitignore !=# ''
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let default_files = add(default_files, global_gitignore)
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endif
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let system_gitignore = expand(substitute(system("git config --system core.excludesfile"), '\n', '', 'g'))
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if system_gitignore !=# ''
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let default_files = add(default_files, system_gitignore)
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endif
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" append additional files if given as function arguments
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if additional_files !=# []
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let files = extend(default_files, additional_files)
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else
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let files = default_files
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endif
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" keep only existing/readable files
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let gitignore_files = []
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for file in files
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if filereadable(file)
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let gitignore_files = add(gitignore_files, file)
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endif
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endfor
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" get contents of gitignore patterns from those files
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let gitignore_lines = []
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for file in gitignore_files
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for line in readfile(file)
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" filter empty lines and comments
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if line !~# '^#' && line !~# '^$'
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let gitignore_lines = add(gitignore_lines, line)
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endif
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endfor
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endfor
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" convert gitignore patterns to Netrw/Vim regex patterns
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let escaped_lines = []
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for line in gitignore_lines
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let escaped = line
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let escaped = substitute(escaped, '\*\*', '*', 'g')
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let escaped = substitute(escaped, '\.', '\\.', 'g')
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let escaped = substitute(escaped, '\$', '\\$', 'g')
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let escaped = substitute(escaped, '*', '.*', 'g')
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" correction: dot, dollar and asterisks chars shouldn't be escaped when
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" within regex matching groups.
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let escaped = substitute(escaped, '\(\[[^]]*\)\zs\\\.', '\.', 'g')
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let escaped = substitute(escaped, '\(\[[^]]*\)\zs\\\$', '\$', 'g')
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let escaped = substitute(escaped, '\(\[[^]]*\)\zs\.\*', '*', 'g')
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let escaped_lines = add(escaped_lines, escaped)
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endfor
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return join(escaped_lines, ',')
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endfunction
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