/usr/share/vim/addons/plugin/airline.vim is in vim-airline 0.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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" vim: et ts=2 sts=2 sw=2
if &cp || v:version < 702 || (exists('g:loaded_airline') && g:loaded_airline)
finish
endif
let g:loaded_airline = 1
let s:airline_initialized = 0
function! s:init()
if s:airline_initialized
return
endif
let s:airline_initialized = 1
call airline#extensions#load()
call airline#init#sections()
let s:theme_in_vimrc = exists('g:airline_theme')
if s:theme_in_vimrc
try
let palette = g:airline#themes#{g:airline_theme}#palette
catch
echom 'Could not resolve airline theme "' . g:airline_theme . '". Themes have been migrated to github.com/vim-airline/vim-airline-themes.'
let g:airline_theme = 'dark'
endtry
silent call airline#switch_theme(g:airline_theme)
else
let g:airline_theme = 'dark'
silent call s:on_colorscheme_changed()
endif
silent doautocmd User AirlineAfterInit
endfunction
function! s:on_window_changed()
if pumvisible() && (!&previewwindow || g:airline_exclude_preview)
return
endif
call s:init()
call airline#update_statusline()
endfunction
function! s:on_colorscheme_changed()
call s:init()
let g:airline_gui_mode = airline#init#gui_mode()
if !s:theme_in_vimrc
call airline#switch_matching_theme()
endif
" couldn't find a match, or theme was defined, just refresh
call airline#load_theme()
endfunction
function airline#cmdwinenter(...)
call airline#extensions#apply_left_override('Command Line', '')
endfunction
function! s:airline_toggle()
if exists("#airline")
augroup airline
au!
augroup END
augroup! airline
if exists("s:stl")
let &stl = s:stl
endif
silent doautocmd User AirlineToggledOff
else
let s:stl = &statusline
augroup airline
autocmd!
autocmd CmdwinEnter *
\ call airline#add_statusline_func('airline#cmdwinenter')
\ | call <sid>on_window_changed()
autocmd CmdwinLeave * call airline#remove_statusline_func('airline#cmdwinenter')
autocmd GUIEnter,ColorScheme * call <sid>on_colorscheme_changed()
autocmd VimEnter,WinEnter,BufWinEnter,FileType,BufUnload,VimResized *
\ call <sid>on_window_changed()
autocmd TabEnter * :unlet! w:airline_lastmode
autocmd BufWritePost */autoload/airline/themes/*.vim
\ exec 'source '.split(globpath(&rtp, 'autoload/airline/themes/'.g:airline_theme.'.vim', 1), "\n")[0]
\ | call airline#load_theme()
augroup END
if s:airline_initialized
call s:on_window_changed()
endif
silent doautocmd User AirlineToggledOn
endif
endfunction
function! s:get_airline_themes(a, l, p)
let files = split(globpath(&rtp, 'autoload/airline/themes/'.a:a.'*'), "\n")
return map(files, 'fnamemodify(v:val, ":t:r")')
endfunction
function! s:airline_theme(...)
if a:0
call airline#switch_theme(a:1)
else
echo g:airline_theme
endif
endfunction
function! s:airline_refresh()
silent doautocmd User AirlineBeforeRefresh
call airline#load_theme()
call airline#update_statusline()
endfunction
command! -bar -nargs=? -complete=customlist,<sid>get_airline_themes AirlineTheme call <sid>airline_theme(<f-args>)
command! -bar AirlineToggleWhitespace call airline#extensions#whitespace#toggle()
command! -bar AirlineToggle call s:airline_toggle()
command! -bar AirlineRefresh call s:airline_refresh()
call airline#init#bootstrap()
call s:airline_toggle()
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