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netrw_gitignore.vim
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" 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