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branch.vim
Remove pathgen and use native vim packages. https://micro.quietmisdreavus.net/code/2020/03/15/vim8-packages/
David Blume
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2c4452d
at 2021-03-11 19:45:57
branch.vim
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" MIT License. Copyright (c) 2013-2018 Bailey Ling et al. " vim: et ts=2 sts=2 sw=2 scriptencoding utf-8 function! s:has_fugitive() return exists('*fugitive#head') endfunction function! s:has_lawrencium() return exists('*lawrencium#statusline') endfunction function! s:has_vcscommand() return get(g:, 'airline#extensions#branch#use_vcscommand', 0) && exists('*VCSCommandGetStatusLine') endfunction function! s:has_custom_scm() return !empty(get(g:, 'airline#extensions#branch#custom_head', '')) endfunction " s:vcs_config contains static configuration of VCSes and their status relative " to the active file. " 'branch' - The name of currently active branch. This field is empty iff it " has not been initialized yet or the current file is not in " an active branch. " 'untracked' - Cache of untracked files represented as a dictionary with files " as keys. A file has a not exists symbol set as its value if it " is untracked. A file is present in this dictionary iff its " status is considered up to date. " 'untracked_mark' - used as regexp to test against the output of 'cmd' let s:vcs_config = { \ 'git': { \ 'exe': 'git', \ 'cmd': 'git status --porcelain -- ', \ 'untracked_mark': '??', \ 'exclude': '\.git', \ 'update_branch': 's:update_git_branch', \ 'display_branch': 's:display_git_branch', \ 'branch': '', \ 'untracked': {}, \ }, \ 'mercurial': { \ 'exe': 'hg', \ 'cmd': 'hg status -u -- ', \ 'untracked_mark': '?', \ 'exclude': '\.hg', \ 'update_branch': 's:update_hg_branch', \ 'display_branch': 's:display_hg_branch', \ 'branch': '', \ 'untracked': {}, \ }, \} " Initializes b:buffer_vcs_config. b:buffer_vcs_config caches the branch and " untracked status of the file in the buffer. Caching those fields is necessary, " because s:vcs_config may be updated asynchronously and s:vcs_config fields may " be invalid during those updates. b:buffer_vcs_config fields are updated " whenever corresponding fields in s:vcs_config are updated or an inconsistency " is detected during update_* operation. " " b:airline_head caches the head string it is empty iff it needs to be " recalculated. b:airline_head is recalculated based on b:buffer_vcs_config. function! s:init_buffer() let b:buffer_vcs_config = {} for vcs in keys(s:vcs_config) let b:buffer_vcs_config[vcs] = { \ 'branch': '', \ 'untracked': '', \ } endfor unlet! b:airline_head endfunction let s:head_format = get(g:, 'airline#extensions#branch#format', 0) if s:head_format == 1 function! s:format_name(name) return fnamemodify(a:name, ':t') endfunction elseif s:head_format == 2 function! s:format_name(name) return pathshorten(a:name) endfunction elseif type(s:head_format) == type('') function! s:format_name(name) return call(s:head_format, [a:name]) endfunction else function! s:format_name(name) return a:name endfunction endif " Fugitive special revisions. call '0' "staging" ? let s:names = {'0': 'index', '1': 'orig', '2':'fetch', '3':'merge'} let s:sha1size = get(g:, 'airline#extensions#branch#sha1_len', 7) function! s:update_git_branch() if !s:has_fugitive() let s:vcs_config['git'].branch = '' return endif let s:vcs_config['git'].branch = fugitive#head(s:sha1size) if s:vcs_config['git'].branch is# 'master' && winwidth(0) < 81 " Shorten default a bit let s:vcs_config['git'].branch='mas' endif endfunction function! s:display_git_branch() let name = b:buffer_vcs_config['git'].branch try let commit = fugitive#buffer().commit() if has_key(s:names, commit) let name = get(s:names, commit)."(".name.")" elseif !empty(commit) let ref = fugitive#repo().git_chomp('describe', '--all', '--exact-match', commit) if ref !~ "^fatal: no tag exactly matches" let name = s:format_name(substitute(ref, '\v\C^%(heads/|remotes/|tags/)=','',''))."(".name.")" else let name = matchstr(commit, '.\{'.s:sha1size.'}')."(".name.")" endif endif catch endtry return name endfunction function! s:update_hg_branch() if s:has_lawrencium() let cmd='LC_ALL=C hg qtop' let stl=lawrencium#statusline() let file=expand('%:p') if !empty(stl) && get(b:, 'airline_do_mq_check', 1) if g:airline#init#vim_async call airline#async#get_mq_async(cmd, file) elseif has("nvim") call airline#async#nvim_get_mq_async(cmd, file) else " remove \n at the end of the command let output=system(cmd)[0:-2] call airline#async#mq_output(output, file) endif endif " do not do mq check anymore let b:airline_do_mq_check = 0 if exists("b:mq") && !empty(b:mq) if stl is# 'default' " Shorten default a bit let stl='def' endif let stl.=' ['.b:mq.']' endif let s:vcs_config['mercurial'].branch = stl else let s:vcs_config['mercurial'].branch = '' endif endfunction function! s:display_hg_branch() return b:buffer_vcs_config['mercurial'].branch endfunction function! s:update_branch() for vcs in keys(s:vcs_config) call {s:vcs_config[vcs].update_branch}() if b:buffer_vcs_config[vcs].branch != s:vcs_config[vcs].branch let b:buffer_vcs_config[vcs].branch = s:vcs_config[vcs].branch unlet! b:airline_head endif endfor endfunction function! airline#extensions#branch#update_untracked_config(file, vcs) if !has_key(s:vcs_config[a:vcs].untracked, a:file) return elseif s:vcs_config[a:vcs].untracked[a:file] != b:buffer_vcs_config[a:vcs].untracked let b:buffer_vcs_config[a:vcs].untracked = s:vcs_config[a:vcs].untracked[a:file] unlet! b:airline_head endif endfunction function! s:update_untracked() let file = expand("%:p") if empty(file) || isdirectory(file) return endif let needs_update = 1 for vcs in keys(s:vcs_config) if file =~ s:vcs_config[vcs].exclude " Skip check for files that live in the exclude directory let needs_update = 0 endif if has_key(s:vcs_config[vcs].untracked, file) let needs_update = 0 call airline#extensions#branch#update_untracked_config(file, vcs) endif endfor if !needs_update return endif for vcs in keys(s:vcs_config) let config = s:vcs_config[vcs] if g:airline#init#vim_async " Note that asynchronous update updates s:vcs_config only, and only " s:update_untracked updates b:buffer_vcs_config. If s:vcs_config is " invalidated again before s:update_untracked is called, then we lose the " result of the previous call, i.e. the head string is not updated. It " doesn't happen often in practice, so we let it be. call airline#async#vim_vcs_untracked(config, file) else " nvim async or vim without job-feature call airline#async#nvim_vcs_untracked(config, file, vcs) endif endfor endfunction function! airline#extensions#branch#head() if !exists('b:buffer_vcs_config') call s:init_buffer() endif call s:update_branch() call s:update_untracked() if exists('b:airline_head') && !empty(b:airline_head) return b:airline_head endif let b:airline_head = '' let vcs_priority = get(g:, "airline#extensions#branch#vcs_priority", ["git", "mercurial"]) let heads = [] for vcs in vcs_priority if !empty(b:buffer_vcs_config[vcs].branch) let heads += [vcs] endif endfor for vcs in heads if !empty(b:airline_head) let b:airline_head .= ' | ' endif if len(heads) > 1 let b:airline_head .= s:vcs_config[vcs].exe .':' endif let b:airline_head .= s:format_name({s:vcs_config[vcs].display_branch}()) let b:airline_head .= b:buffer_vcs_config[vcs].untracked endfor if empty(heads) if s:has_vcscommand() call VCSCommandEnableBufferSetup() if exists('b:VCSCommandBufferInfo') let b:airline_head = s:format_name(get(b:VCSCommandBufferInfo, 0, '')) endif endif endif if empty(heads) if s:has_custom_scm() try let Fn = function(g:airline#extensions#branch#custom_head) let b:airline_head = Fn() endtry endif endif if exists("g:airline#extensions#branch#displayed_head_limit") let w:displayed_head_limit = g:airline#extensions#branch#displayed_head_limit if len(b:airline_head) > w:displayed_head_limit - 1 let b:airline_head = b:airline_head[0:(w:displayed_head_limit - 1)].(&encoding ==? 'utf-8' ? '…' : '.') endif endif let minwidth = empty(get(b:, 'airline_hunks', '')) ? 14 : 7 let b:airline_head = airline#util#shorten(b:airline_head, 120, minwidth) return b:airline_head endfunction function! airline#extensions#branch#get_head() let head = airline#extensions#branch#head() let empty_message = get(g:, 'airline#extensions#branch#empty_message', '') let symbol = get(g:, 'airline#extensions#branch#symbol', g:airline_symbols.branch) return empty(head) \ ? empty_message \ : printf('%s%s', empty(symbol) ? '' : symbol.(g:airline_symbols.space), head) endfunction function! s:reset_untracked_cache(shellcmdpost) " shellcmdpost - whether function was called as a result of ShellCmdPost hook if !g:airline#init#vim_async && !has('nvim') if a:shellcmdpost " Clear cache only if there was no error or the script uses an " asynchronous interface. Otherwise, cache clearing would overwrite " v:shell_error with a system() call inside get_*_untracked. if v:shell_error return endif endif endif let file = expand("%:p") for vcs in keys(s:vcs_config) " Dump the value of the cache for the current file. Partially mitigates the " issue of cache invalidation happening before a call to " s:update_untracked() call airline#extensions#branch#update_untracked_config(file, vcs) let s:vcs_config[vcs].untracked = {} endfor endfunction function! airline#extensions#branch#init(ext) call airline#parts#define_function('branch', 'airline#extensions#branch#get_head') autocmd ShellCmdPost,CmdwinLeave * unlet! b:airline_head b:airline_do_mq_check autocmd User AirlineBeforeRefresh unlet! b:airline_head b:airline_do_mq_check autocmd BufWritePost * call s:reset_untracked_cache(0) autocmd ShellCmdPost * call s:reset_untracked_cache(1) endfunction
