mirror of
https://github.com/vim-airline/vim-airline.git
synced 2024-12-13 14:21:31 +08:00
370 lines
12 KiB
VimL
370 lines
12 KiB
VimL
" MIT License. Copyright (c) 2013-2021 Bailey Ling et al.
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" Plugin: fugitive, gina, lawrencium and vcscommand
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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" s:vcs_config contains static configuration of VCSes and their status relative
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" to the active file.
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" 'branch' - The name of currently active branch. This field is empty iff it
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" has not been initialized yet or the current file is not in
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" an active branch.
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" 'untracked' - Cache of untracked files represented as a dictionary with files
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" as keys. A file has a not exists symbol set as its value if it
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" is untracked. A file is present in this dictionary iff its
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" status is considered up to date.
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" 'untracked_mark' - used as regexp to test against the output of 'cmd'
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let s:vcs_config = {
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\ 'git': {
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\ 'exe': 'git',
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\ 'cmd': 'git status --porcelain -- ',
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\ 'dirty': 'git status -uno --porcelain --ignore-submodules',
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\ 'untracked_mark': '??',
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\ 'exclude': '\.git',
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\ 'update_branch': 's:update_git_branch',
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\ 'display_branch': 's:display_git_branch',
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\ 'branch': '',
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\ 'untracked': {},
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\ },
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\ 'mercurial': {
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\ 'exe': 'hg',
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\ 'cmd': 'hg status -u -- ',
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\ 'dirty': 'hg status -mard',
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\ 'untracked_mark': '?',
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\ 'exclude': '\.hg',
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\ 'update_branch': 's:update_hg_branch',
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\ 'display_branch': 's:display_hg_branch',
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\ 'branch': '',
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\ 'untracked': {},
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\ },
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\}
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" Initializes b:buffer_vcs_config. b:buffer_vcs_config caches the branch and
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" untracked status of the file in the buffer. Caching those fields is necessary,
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" because s:vcs_config may be updated asynchronously and s:vcs_config fields may
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" be invalid during those updates. b:buffer_vcs_config fields are updated
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" whenever corresponding fields in s:vcs_config are updated or an inconsistency
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" is detected during update_* operation.
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"
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" b:airline_head caches the head string it is empty iff it needs to be
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" recalculated. b:airline_head is recalculated based on b:buffer_vcs_config.
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function! s:init_buffer()
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let b:buffer_vcs_config = {}
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for vcs in keys(s:vcs_config)
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let b:buffer_vcs_config[vcs] = {
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\ 'branch': '',
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\ 'untracked': '',
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\ 'dirty': 0,
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\ }
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endfor
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unlet! b:airline_head
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endfunction
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let s:head_format = get(g:, 'airline#extensions#branch#format', 0)
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if s:head_format == 1
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function! s:format_name(name)
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return fnamemodify(a:name, ':t')
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endfunction
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elseif s:head_format == 2
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function! s:format_name(name)
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return pathshorten(a:name)
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endfunction
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elseif type(s:head_format) == type('')
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function! s:format_name(name)
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return call(s:head_format, [a:name])
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endfunction
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else
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function! s:format_name(name)
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return a:name
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endfunction
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endif
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" Fugitive special revisions. call '0' "staging" ?
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let s:names = {'0': 'index', '1': 'orig', '2':'fetch', '3':'merge'}
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let s:sha1size = get(g:, 'airline#extensions#branch#sha1_len', 7)
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function! s:update_git_branch()
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call airline#util#ignore_next_focusgain()
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if airline#util#has_fugitive()
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call s:config_fugitive_branch()
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elseif airline#util#has_gina()
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call s:config_gina_branch()
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else
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let s:vcs_config['git'].branch = ''
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return
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endif
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endfunction
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function! s:config_fugitive_branch() abort
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let s:vcs_config['git'].branch = FugitiveHead(s:sha1size)
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if s:vcs_config['git'].branch is# 'master' &&
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\ airline#util#winwidth() < 81
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" Shorten default a bit
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let s:vcs_config['git'].branch='mas'
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endif
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endfunction
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function! s:config_gina_branch() abort
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try
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let g:gina#component#repo#commit_length = s:sha1size
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let s:vcs_config['git'].branch = gina#component#repo#branch()
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catch
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endtry
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if s:vcs_config['git'].branch is# 'master' &&
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\ airline#util#winwidth() < 81
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" Shorten default a bit
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let s:vcs_config['git'].branch='mas'
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endif
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endfunction
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function! s:display_git_branch()
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let name = b:buffer_vcs_config['git'].branch
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try
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let commit = matchstr(FugitiveParse()[0], '^\x\+')
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if has_key(s:names, commit)
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let name = get(s:names, commit)."(".name.")"
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elseif !empty(commit)
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if exists('*FugitiveExecute')
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let ref = FugitiveExecute(['describe', '--all', '--exact-match', commit], bufnr('')).stdout[0]
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else
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noautocmd let ref = fugitive#repo().git_chomp('describe', '--all', '--exact-match', commit)
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if ref =~# ':'
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let ref = ''
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endif
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endif
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if !empty(ref)
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let name = s:format_name(substitute(ref, '\v\C^%(heads/|remotes/|tags/)=','',''))."(".name.")"
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else
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let name = matchstr(commit, '.\{'.s:sha1size.'}')."(".name.")"
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endif
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endif
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catch
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endtry
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return name
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endfunction
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function! s:update_hg_branch()
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if airline#util#has_lawrencium()
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let cmd='LC_ALL=C hg qtop'
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let stl=lawrencium#statusline()
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let file=expand('%:p')
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if !empty(stl) && get(b:, 'airline_do_mq_check', 1)
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if g:airline#init#vim_async
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noa call airline#async#get_mq_async(cmd, file)
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elseif has("nvim")
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noa call airline#async#nvim_get_mq_async(cmd, file)
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else
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" remove \n at the end of the command
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let output=system(cmd)[0:-2]
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noa call airline#async#mq_output(output, file)
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endif
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endif
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" do not do mq check anymore
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let b:airline_do_mq_check = 0
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if exists("b:mq") && !empty(b:mq)
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if stl is# 'default'
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" Shorten default a bit
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let stl='def'
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endif
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let stl.=' ['.b:mq.']'
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endif
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let s:vcs_config['mercurial'].branch = stl
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else
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let s:vcs_config['mercurial'].branch = ''
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endif
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endfunction
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function! s:display_hg_branch()
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return b:buffer_vcs_config['mercurial'].branch
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endfunction
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function! s:update_branch()
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for vcs in keys(s:vcs_config)
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call {s:vcs_config[vcs].update_branch}()
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if b:buffer_vcs_config[vcs].branch != s:vcs_config[vcs].branch
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let b:buffer_vcs_config[vcs].branch = s:vcs_config[vcs].branch
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unlet! b:airline_head
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endif
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endfor
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endfunction
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function! airline#extensions#branch#update_untracked_config(file, vcs)
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if !has_key(s:vcs_config[a:vcs].untracked, a:file)
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return
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elseif s:vcs_config[a:vcs].untracked[a:file] != b:buffer_vcs_config[a:vcs].untracked
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let b:buffer_vcs_config[a:vcs].untracked = s:vcs_config[a:vcs].untracked[a:file]
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unlet! b:airline_head
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endif
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endfunction
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function! s:update_untracked()
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let file = expand("%:p")
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if empty(file) || isdirectory(file) || !empty(&buftype)
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return
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endif
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let needs_update = 1
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let vcs_checks = get(g:, "airline#extensions#branch#vcs_checks", ["untracked", "dirty"])
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for vcs in keys(s:vcs_config)
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if file =~ s:vcs_config[vcs].exclude
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" Skip check for files that live in the exclude directory
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let needs_update = 0
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endif
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if has_key(s:vcs_config[vcs].untracked, file)
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let needs_update = 0
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call airline#extensions#branch#update_untracked_config(file, vcs)
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endif
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endfor
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if !needs_update
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return
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endif
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for vcs in keys(s:vcs_config)
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" only check, for git, if fugitive is installed
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" and for 'hg' if lawrencium is installed, else skip
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if vcs is# 'git' && (!airline#util#has_fugitive() && !airline#util#has_gina())
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continue
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elseif vcs is# 'mercurial' && !airline#util#has_lawrencium()
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continue
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endif
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let config = s:vcs_config[vcs]
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" Note that asynchronous update updates s:vcs_config only, and only
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" s:update_untracked updates b:buffer_vcs_config. If s:vcs_config is
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" invalidated again before s:update_untracked is called, then we lose the
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" result of the previous call, i.e. the head string is not updated. It
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" doesn't happen often in practice, so we let it be.
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if index(vcs_checks, 'untracked') > -1
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call airline#async#vcs_untracked(config, file, vcs)
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endif
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" Check clean state of repo
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if index(vcs_checks, 'dirty') > -1
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call airline#async#vcs_clean(config.dirty, file, vcs)
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endif
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endfor
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endfunction
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function! airline#extensions#branch#head()
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if !exists('b:buffer_vcs_config')
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call s:init_buffer()
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endif
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call s:update_branch()
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call s:update_untracked()
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if exists('b:airline_head') && !empty(b:airline_head)
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return b:airline_head
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endif
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let b:airline_head = ''
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let vcs_priority = get(g:, "airline#extensions#branch#vcs_priority", ["git", "mercurial"])
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let heads = []
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for vcs in vcs_priority
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if !empty(b:buffer_vcs_config[vcs].branch)
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let heads += [vcs]
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endif
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endfor
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for vcs in heads
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if !empty(b:airline_head)
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let b:airline_head .= ' | '
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endif
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if len(heads) > 1
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let b:airline_head .= s:vcs_config[vcs].exe .':'
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endif
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let b:airline_head .= s:format_name({s:vcs_config[vcs].display_branch}())
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let additional = b:buffer_vcs_config[vcs].untracked
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if empty(additional) &&
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\ has_key(b:buffer_vcs_config[vcs], 'dirty') &&
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\ b:buffer_vcs_config[vcs].dirty
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let additional = g:airline_symbols['dirty']
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endif
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let b:airline_head .= additional
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endfor
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if empty(heads)
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if airline#util#has_vcscommand()
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noa call VCSCommandEnableBufferSetup()
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if exists('b:VCSCommandBufferInfo')
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let b:airline_head = s:format_name(get(b:VCSCommandBufferInfo, 0, ''))
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endif
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endif
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endif
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if empty(heads)
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if airline#util#has_custom_scm()
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try
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let Fn = function(g:airline#extensions#branch#custom_head)
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let b:airline_head = Fn()
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endtry
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endif
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endif
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if exists("g:airline#extensions#branch#displayed_head_limit")
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let w:displayed_head_limit = g:airline#extensions#branch#displayed_head_limit
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if strwidth(b:airline_head) > w:displayed_head_limit - 1
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let b:airline_head =
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\ airline#util#strcharpart(b:airline_head, 0, w:displayed_head_limit - 1)
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\ . (&encoding ==? 'utf-8' ? '…' : '.')
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endif
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endif
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return b:airline_head
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endfunction
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function! airline#extensions#branch#get_head()
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let head = airline#extensions#branch#head()
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let winwidth = get(airline#parts#get('branch'), 'minwidth', 120)
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let minwidth = empty(get(b:, 'airline_hunks', '')) ? 14 : 7
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let head = airline#util#shorten(head, winwidth, minwidth)
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let symbol = get(g:, 'airline#extensions#branch#symbol', g:airline_symbols.branch)
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return empty(head)
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\ ? get(g:, 'airline#extensions#branch#empty_message', '')
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\ : printf('%s%s', empty(symbol) ? '' : symbol.(g:airline_symbols.space), head)
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endfunction
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function! s:reset_untracked_cache(shellcmdpost)
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" shellcmdpost - whether function was called as a result of ShellCmdPost hook
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if !exists('#airline')
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" airline disabled
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return
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endif
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if !g:airline#init#vim_async && !has('nvim')
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if a:shellcmdpost
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" Clear cache only if there was no error or the script uses an
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" asynchronous interface. Otherwise, cache clearing would overwrite
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" v:shell_error with a system() call inside get_*_untracked.
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if v:shell_error
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return
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endif
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endif
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endif
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let file = expand("%:p")
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for vcs in keys(s:vcs_config)
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" Dump the value of the cache for the current file. Partially mitigates the
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" issue of cache invalidation happening before a call to
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" s:update_untracked()
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call airline#extensions#branch#update_untracked_config(file, vcs)
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let s:vcs_config[vcs].untracked = {}
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endfor
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endfunction
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function! s:sh_autocmd_handler()
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if exists('#airline')
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unlet! b:airline_head b:airline_do_mq_check
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endif
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endfunction
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function! airline#extensions#branch#init(ext)
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call airline#parts#define_function('branch', 'airline#extensions#branch#get_head')
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autocmd ShellCmdPost,CmdwinLeave * call s:sh_autocmd_handler()
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autocmd User AirlineBeforeRefresh call s:sh_autocmd_handler()
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autocmd BufWritePost * call s:reset_untracked_cache(0)
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autocmd ShellCmdPost * call s:reset_untracked_cache(1)
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endfunction
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