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