diff options
Diffstat (limited to '.local/share/nvim/site/autoload')
| -rw-r--r-- | .local/share/nvim/site/autoload/plug.vim | 2812 | 
1 files changed, 2812 insertions, 0 deletions
| diff --git a/.local/share/nvim/site/autoload/plug.vim b/.local/share/nvim/site/autoload/plug.vim new file mode 100644 index 0000000..652caa8 --- /dev/null +++ b/.local/share/nvim/site/autoload/plug.vim @@ -0,0 +1,2812 @@ +" vim-plug: Vim plugin manager +" ============================ +" +" Download plug.vim and put it in ~/.vim/autoload +" +"   curl -fLo ~/.vim/autoload/plug.vim --create-dirs \ +"     https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim +" +" Edit your .vimrc +" +"   call plug#begin('~/.vim/plugged') +" +"   " Make sure you use single quotes +" +"   " Shorthand notation; fetches https://github.com/junegunn/vim-easy-align +"   Plug 'junegunn/vim-easy-align' +" +"   " Any valid git URL is allowed +"   Plug 'https://github.com/junegunn/vim-github-dashboard.git' +" +"   " Multiple Plug commands can be written in a single line using | separators +"   Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets' +" +"   " On-demand loading +"   Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' } +"   Plug 'tpope/vim-fireplace', { 'for': 'clojure' } +" +"   " Using a non-default branch +"   Plug 'rdnetto/YCM-Generator', { 'branch': 'stable' } +" +"   " Using a tagged release; wildcard allowed (requires git 1.9.2 or above) +"   Plug 'fatih/vim-go', { 'tag': '*' } +" +"   " Plugin options +"   Plug 'nsf/gocode', { 'tag': 'v.20150303', 'rtp': 'vim' } +" +"   " Plugin outside ~/.vim/plugged with post-update hook +"   Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' } +" +"   " Unmanaged plugin (manually installed and updated) +"   Plug '~/my-prototype-plugin' +" +"   " Initialize plugin system +"   call plug#end() +" +" Then reload .vimrc and :PlugInstall to install plugins. +" +" Plug options: +" +"| Option                  | Description                                      | +"| ----------------------- | ------------------------------------------------ | +"| `branch`/`tag`/`commit` | Branch/tag/commit of the repository to use       | +"| `rtp`                   | Subdirectory that contains Vim plugin            | +"| `dir`                   | Custom directory for the plugin                  | +"| `as`                    | Use different name for the plugin                | +"| `do`                    | Post-update hook (string or funcref)             | +"| `on`                    | On-demand loading: Commands or `<Plug>`-mappings | +"| `for`                   | On-demand loading: File types                    | +"| `frozen`                | Do not update unless explicitly specified        | +" +" More information: https://github.com/junegunn/vim-plug +" +" +" Copyright (c) 2017 Junegunn Choi +" +" MIT License +" +" Permission is hereby granted, free of charge, to any person obtaining +" a copy of this software and associated documentation files (the +" "Software"), to deal in the Software without restriction, including +" without limitation the rights to use, copy, modify, merge, publish, +" distribute, sublicense, and/or sell copies of the Software, and to +" permit persons to whom the Software is furnished to do so, subject to +" the following conditions: +" +" The above copyright notice and this permission notice shall be +" included in all copies or substantial portions of the Software. +" +" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +" NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +" LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +" OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +" WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +if exists('g:loaded_plug') +  finish +endif +let g:loaded_plug = 1 + +let s:cpo_save = &cpo +set cpo&vim + +let s:plug_src = 'https://github.com/junegunn/vim-plug.git' +let s:plug_tab = get(s:, 'plug_tab', -1) +let s:plug_buf = get(s:, 'plug_buf', -1) +let s:mac_gui = has('gui_macvim') && has('gui_running') +let s:is_win = has('win32') +let s:nvim = has('nvim-0.2') || (has('nvim') && exists('*jobwait') && !s:is_win) +let s:vim8 = has('patch-8.0.0039') && exists('*job_start') +if s:is_win && &shellslash +  set noshellslash +  let s:me = resolve(expand('<sfile>:p')) +  set shellslash +else +  let s:me = resolve(expand('<sfile>:p')) +endif +let s:base_spec = { 'branch': '', 'frozen': 0 } +let s:TYPE = { +\   'string':  type(''), +\   'list':    type([]), +\   'dict':    type({}), +\   'funcref': type(function('call')) +\ } +let s:loaded = get(s:, 'loaded', {}) +let s:triggers = get(s:, 'triggers', {}) + +function! s:is_powershell(shell) +  return a:shell =~# 'powershell\(\.exe\)\?$' || a:shell =~# 'pwsh\(\.exe\)\?$' +endfunction + +function! s:isabsolute(dir) abort +  return a:dir =~# '^/' || (has('win32') && a:dir =~? '^\%(\\\|[A-Z]:\)') +endfunction + +function! s:git_dir(dir) abort +  let gitdir = s:trim(a:dir) . '/.git' +  if isdirectory(gitdir) +    return gitdir +  endif +  if !filereadable(gitdir) +    return '' +  endif +  let gitdir = matchstr(get(readfile(gitdir), 0, ''), '^gitdir: \zs.*') +  if len(gitdir) && !s:isabsolute(gitdir) +    let gitdir = a:dir . '/' . gitdir +  endif +  return isdirectory(gitdir) ? gitdir : '' +endfunction + +function! s:git_origin_url(dir) abort +  let gitdir = s:git_dir(a:dir) +  let config = gitdir . '/config' +  if empty(gitdir) || !filereadable(config) +    return '' +  endif +  return matchstr(join(readfile(config)), '\[remote "origin"\].\{-}url\s*=\s*\zs\S*\ze') +endfunction + +function! s:git_revision(dir) abort +  let gitdir = s:git_dir(a:dir) +  let head = gitdir . '/HEAD' +  if empty(gitdir) || !filereadable(head) +    return '' +  endif + +  let line = get(readfile(head), 0, '') +  let ref = matchstr(line, '^ref: \zs.*') +  if empty(ref) +    return line +  endif + +  if filereadable(gitdir . '/' . ref) +    return get(readfile(gitdir . '/' . ref), 0, '') +  endif + +  if filereadable(gitdir . '/packed-refs') +    for line in readfile(gitdir . '/packed-refs') +      if line =~# ' ' . ref +        return matchstr(line, '^[0-9a-f]*') +      endif +    endfor +  endif + +  return '' +endfunction + +function! s:git_local_branch(dir) abort +  let gitdir = s:git_dir(a:dir) +  let head = gitdir . '/HEAD' +  if empty(gitdir) || !filereadable(head) +    return '' +  endif +  let branch = matchstr(get(readfile(head), 0, ''), '^ref: refs/heads/\zs.*') +  return len(branch) ? branch : 'HEAD' +endfunction + +function! s:git_origin_branch(spec) +  if len(a:spec.branch) +    return a:spec.branch +  endif + +  " The file may not be present if this is a local repository +  let gitdir = s:git_dir(a:spec.dir) +  let origin_head = gitdir.'/refs/remotes/origin/HEAD' +  if len(gitdir) && filereadable(origin_head) +    return matchstr(get(readfile(origin_head), 0, ''), +                  \ '^ref: refs/remotes/origin/\zs.*') +  endif + +  " The command may not return the name of a branch in detached HEAD state +  let result = s:lines(s:system('git symbolic-ref --short HEAD', a:spec.dir)) +  return v:shell_error ? '' : result[-1] +endfunction + +if s:is_win +  function! s:plug_call(fn, ...) +    let shellslash = &shellslash +    try +      set noshellslash +      return call(a:fn, a:000) +    finally +      let &shellslash = shellslash +    endtry +  endfunction +else +  function! s:plug_call(fn, ...) +    return call(a:fn, a:000) +  endfunction +endif + +function! s:plug_getcwd() +  return s:plug_call('getcwd') +endfunction + +function! s:plug_fnamemodify(fname, mods) +  return s:plug_call('fnamemodify', a:fname, a:mods) +endfunction + +function! s:plug_expand(fmt) +  return s:plug_call('expand', a:fmt, 1) +endfunction + +function! s:plug_tempname() +  return s:plug_call('tempname') +endfunction + +function! plug#begin(...) +  if a:0 > 0 +    let s:plug_home_org = a:1 +    let home = s:path(s:plug_fnamemodify(s:plug_expand(a:1), ':p')) +  elseif exists('g:plug_home') +    let home = s:path(g:plug_home) +  elseif has('nvim') +    let home = stdpath('data') . '/plugged' +  elseif !empty(&rtp) +    let home = s:path(split(&rtp, ',')[0]) . '/plugged' +  else +    return s:err('Unable to determine plug home. Try calling plug#begin() with a path argument.') +  endif +  if s:plug_fnamemodify(home, ':t') ==# 'plugin' && s:plug_fnamemodify(home, ':h') ==# s:first_rtp +    return s:err('Invalid plug home. '.home.' is a standard Vim runtime path and is not allowed.') +  endif + +  let g:plug_home = home +  let g:plugs = {} +  let g:plugs_order = [] +  let s:triggers = {} + +  call s:define_commands() +  return 1 +endfunction + +function! s:define_commands() +  command! -nargs=+ -bar Plug call plug#(<args>) +  if !executable('git') +    return s:err('`git` executable not found. Most commands will not be available. To suppress this message, prepend `silent!` to `call plug#begin(...)`.') +  endif +  if has('win32') +  \ && &shellslash +  \ && (&shell =~# 'cmd\(\.exe\)\?$' || s:is_powershell(&shell)) +    return s:err('vim-plug does not support shell, ' . &shell . ', when shellslash is set.') +  endif +  if !has('nvim') +    \ && (has('win32') || has('win32unix')) +    \ && !has('multi_byte') +    return s:err('Vim needs +multi_byte feature on Windows to run shell commands. Enable +iconv for best results.') +  endif +  command! -nargs=* -bar -bang -complete=customlist,s:names PlugInstall call s:install(<bang>0, [<f-args>]) +  command! -nargs=* -bar -bang -complete=customlist,s:names PlugUpdate  call s:update(<bang>0, [<f-args>]) +  command! -nargs=0 -bar -bang PlugClean call s:clean(<bang>0) +  command! -nargs=0 -bar PlugUpgrade if s:upgrade() | execute 'source' s:esc(s:me) | endif +  command! -nargs=0 -bar PlugStatus  call s:status() +  command! -nargs=0 -bar PlugDiff    call s:diff() +  command! -nargs=? -bar -bang -complete=file PlugSnapshot call s:snapshot(<bang>0, <f-args>) +endfunction + +function! s:to_a(v) +  return type(a:v) == s:TYPE.list ? a:v : [a:v] +endfunction + +function! s:to_s(v) +  return type(a:v) == s:TYPE.string ? a:v : join(a:v, "\n") . "\n" +endfunction + +function! s:glob(from, pattern) +  return s:lines(globpath(a:from, a:pattern)) +endfunction + +function! s:source(from, ...) +  let found = 0 +  for pattern in a:000 +    for vim in s:glob(a:from, pattern) +      execute 'source' s:esc(vim) +      let found = 1 +    endfor +  endfor +  return found +endfunction + +function! s:assoc(dict, key, val) +  let a:dict[a:key] = add(get(a:dict, a:key, []), a:val) +endfunction + +function! s:ask(message, ...) +  call inputsave() +  echohl WarningMsg +  let answer = input(a:message.(a:0 ? ' (y/N/a) ' : ' (y/N) ')) +  echohl None +  call inputrestore() +  echo "\r" +  return (a:0 && answer =~? '^a') ? 2 : (answer =~? '^y') ? 1 : 0 +endfunction + +function! s:ask_no_interrupt(...) +  try +    return call('s:ask', a:000) +  catch +    return 0 +  endtry +endfunction + +function! s:lazy(plug, opt) +  return has_key(a:plug, a:opt) && +        \ (empty(s:to_a(a:plug[a:opt]))         || +        \  !isdirectory(a:plug.dir)             || +        \  len(s:glob(s:rtp(a:plug), 'plugin')) || +        \  len(s:glob(s:rtp(a:plug), 'after/plugin'))) +endfunction + +function! plug#end() +  if !exists('g:plugs') +    return s:err('plug#end() called without calling plug#begin() first') +  endif + +  if exists('#PlugLOD') +    augroup PlugLOD +      autocmd! +    augroup END +    augroup! PlugLOD +  endif +  let lod = { 'ft': {}, 'map': {}, 'cmd': {} } + +  if get(g:, 'did_load_filetypes', 0) +    filetype off +  endif +  for name in g:plugs_order +    if !has_key(g:plugs, name) +      continue +    endif +    let plug = g:plugs[name] +    if get(s:loaded, name, 0) || !s:lazy(plug, 'on') && !s:lazy(plug, 'for') +      let s:loaded[name] = 1 +      continue +    endif + +    if has_key(plug, 'on') +      let s:triggers[name] = { 'map': [], 'cmd': [] } +      for cmd in s:to_a(plug.on) +        if cmd =~? '^<Plug>.\+' +          if empty(mapcheck(cmd)) && empty(mapcheck(cmd, 'i')) +            call s:assoc(lod.map, cmd, name) +          endif +          call add(s:triggers[name].map, cmd) +        elseif cmd =~# '^[A-Z]' +          let cmd = substitute(cmd, '!*$', '', '') +          if exists(':'.cmd) != 2 +            call s:assoc(lod.cmd, cmd, name) +          endif +          call add(s:triggers[name].cmd, cmd) +        else +          call s:err('Invalid `on` option: '.cmd. +          \ '. Should start with an uppercase letter or `<Plug>`.') +        endif +      endfor +    endif + +    if has_key(plug, 'for') +      let types = s:to_a(plug.for) +      if !empty(types) +        augroup filetypedetect +        call s:source(s:rtp(plug), 'ftdetect/**/*.vim', 'after/ftdetect/**/*.vim') +        augroup END +      endif +      for type in types +        call s:assoc(lod.ft, type, name) +      endfor +    endif +  endfor + +  for [cmd, names] in items(lod.cmd) +    execute printf( +    \ 'command! -nargs=* -range -bang -complete=file %s call s:lod_cmd(%s, "<bang>", <line1>, <line2>, <q-args>, %s)', +    \ cmd, string(cmd), string(names)) +  endfor + +  for [map, names] in items(lod.map) +    for [mode, map_prefix, key_prefix] in +          \ [['i', '<C-\><C-O>', ''], ['n', '', ''], ['v', '', 'gv'], ['o', '', '']] +      execute printf( +      \ '%snoremap <silent> %s %s:<C-U>call <SID>lod_map(%s, %s, %s, "%s")<CR>', +      \ mode, map, map_prefix, string(map), string(names), mode != 'i', key_prefix) +    endfor +  endfor + +  for [ft, names] in items(lod.ft) +    augroup PlugLOD +      execute printf('autocmd FileType %s call <SID>lod_ft(%s, %s)', +            \ ft, string(ft), string(names)) +    augroup END +  endfor + +  call s:reorg_rtp() +  filetype plugin indent on +  if has('vim_starting') +    if has('syntax') && !exists('g:syntax_on') +      syntax enable +    end +  else +    call s:reload_plugins() +  endif +endfunction + +function! s:loaded_names() +  return filter(copy(g:plugs_order), 'get(s:loaded, v:val, 0)') +endfunction + +function! s:load_plugin(spec) +  call s:source(s:rtp(a:spec), 'plugin/**/*.vim', 'after/plugin/**/*.vim') +endfunction + +function! s:reload_plugins() +  for name in s:loaded_names() +    call s:load_plugin(g:plugs[name]) +  endfor +endfunction + +function! s:trim(str) +  return substitute(a:str, '[\/]\+$', '', '') +endfunction + +function! s:version_requirement(val, min) +  for idx in range(0, len(a:min) - 1) +    let v = get(a:val, idx, 0) +    if     v < a:min[idx] | return 0 +    elseif v > a:min[idx] | return 1 +    endif +  endfor +  return 1 +endfunction + +function! s:git_version_requirement(...) +  if !exists('s:git_version') +    let s:git_version = map(split(split(s:system(['git', '--version']))[2], '\.'), 'str2nr(v:val)') +  endif +  return s:version_requirement(s:git_version, a:000) +endfunction + +function! s:progress_opt(base) +  return a:base && !s:is_win && +        \ s:git_version_requirement(1, 7, 1) ? '--progress' : '' +endfunction + +function! s:rtp(spec) +  return s:path(a:spec.dir . get(a:spec, 'rtp', '')) +endfunction + +if s:is_win +  function! s:path(path) +    return s:trim(substitute(a:path, '/', '\', 'g')) +  endfunction + +  function! s:dirpath(path) +    return s:path(a:path) . '\' +  endfunction + +  function! s:is_local_plug(repo) +    return a:repo =~? '^[a-z]:\|^[%~]' +  endfunction + +  " Copied from fzf +  function! s:wrap_cmds(cmds) +    let cmds = [ +      \ '@echo off', +      \ 'setlocal enabledelayedexpansion'] +    \ + (type(a:cmds) == type([]) ? a:cmds : [a:cmds]) +    \ + ['endlocal'] +    if has('iconv') +      if !exists('s:codepage') +        let s:codepage = libcallnr('kernel32.dll', 'GetACP', 0) +      endif +      return map(cmds, printf('iconv(v:val."\r", "%s", "cp%d")', &encoding, s:codepage)) +    endif +    return map(cmds, 'v:val."\r"') +  endfunction + +  function! s:batchfile(cmd) +    let batchfile = s:plug_tempname().'.bat' +    call writefile(s:wrap_cmds(a:cmd), batchfile) +    let cmd = plug#shellescape(batchfile, {'shell': &shell, 'script': 0}) +    if s:is_powershell(&shell) +      let cmd = '& ' . cmd +    endif +    return [batchfile, cmd] +  endfunction +else +  function! s:path(path) +    return s:trim(a:path) +  endfunction + +  function! s:dirpath(path) +    return substitute(a:path, '[/\\]*$', '/', '') +  endfunction + +  function! s:is_local_plug(repo) +    return a:repo[0] =~ '[/$~]' +  endfunction +endif + +function! s:err(msg) +  echohl ErrorMsg +  echom '[vim-plug] '.a:msg +  echohl None +endfunction + +function! s:warn(cmd, msg) +  echohl WarningMsg +  execute a:cmd 'a:msg' +  echohl None +endfunction + +function! s:esc(path) +  return escape(a:path, ' ') +endfunction + +function! s:escrtp(path) +  return escape(a:path, ' ,') +endfunction + +function! s:remove_rtp() +  for name in s:loaded_names() +    let rtp = s:rtp(g:plugs[name]) +    execute 'set rtp-='.s:escrtp(rtp) +    let after = globpath(rtp, 'after') +    if isdirectory(after) +      execute 'set rtp-='.s:escrtp(after) +    endif +  endfor +endfunction + +function! s:reorg_rtp() +  if !empty(s:first_rtp) +    execute 'set rtp-='.s:first_rtp +    execute 'set rtp-='.s:last_rtp +  endif + +  " &rtp is modified from outside +  if exists('s:prtp') && s:prtp !=# &rtp +    call s:remove_rtp() +    unlet! s:middle +  endif + +  let s:middle = get(s:, 'middle', &rtp) +  let rtps     = map(s:loaded_names(), 's:rtp(g:plugs[v:val])') +  let afters   = filter(map(copy(rtps), 'globpath(v:val, "after")'), '!empty(v:val)') +  let rtp      = join(map(rtps, 'escape(v:val, ",")'), ',') +                 \ . ','.s:middle.',' +                 \ . join(map(afters, 'escape(v:val, ",")'), ',') +  let &rtp     = substitute(substitute(rtp, ',,*', ',', 'g'), '^,\|,$', '', 'g') +  let s:prtp   = &rtp + +  if !empty(s:first_rtp) +    execute 'set rtp^='.s:first_rtp +    execute 'set rtp+='.s:last_rtp +  endif +endfunction + +function! s:doautocmd(...) +  if exists('#'.join(a:000, '#')) +    execute 'doautocmd' ((v:version > 703 || has('patch442')) ? '<nomodeline>' : '') join(a:000) +  endif +endfunction + +function! s:dobufread(names) +  for name in a:names +    let path = s:rtp(g:plugs[name]) +    for dir in ['ftdetect', 'ftplugin', 'after/ftdetect', 'after/ftplugin'] +      if len(finddir(dir, path)) +        if exists('#BufRead') +          doautocmd BufRead +        endif +        return +      endif +    endfor +  endfor +endfunction + +function! plug#load(...) +  if a:0 == 0 +    return s:err('Argument missing: plugin name(s) required') +  endif +  if !exists('g:plugs') +    return s:err('plug#begin was not called') +  endif +  let names = a:0 == 1 && type(a:1) == s:TYPE.list ? a:1 : a:000 +  let unknowns = filter(copy(names), '!has_key(g:plugs, v:val)') +  if !empty(unknowns) +    let s = len(unknowns) > 1 ? 's' : '' +    return s:err(printf('Unknown plugin%s: %s', s, join(unknowns, ', '))) +  end +  let unloaded = filter(copy(names), '!get(s:loaded, v:val, 0)') +  if !empty(unloaded) +    for name in unloaded +      call s:lod([name], ['ftdetect', 'after/ftdetect', 'plugin', 'after/plugin']) +    endfor +    call s:dobufread(unloaded) +    return 1 +  end +  return 0 +endfunction + +function! s:remove_triggers(name) +  if !has_key(s:triggers, a:name) +    return +  endif +  for cmd in s:triggers[a:name].cmd +    execute 'silent! delc' cmd +  endfor +  for map in s:triggers[a:name].map +    execute 'silent! unmap' map +    execute 'silent! iunmap' map +  endfor +  call remove(s:triggers, a:name) +endfunction + +function! s:lod(names, types, ...) +  for name in a:names +    call s:remove_triggers(name) +    let s:loaded[name] = 1 +  endfor +  call s:reorg_rtp() + +  for name in a:names +    let rtp = s:rtp(g:plugs[name]) +    for dir in a:types +      call s:source(rtp, dir.'/**/*.vim') +    endfor +    if a:0 +      if !s:source(rtp, a:1) && !empty(s:glob(rtp, a:2)) +        execute 'runtime' a:1 +      endif +      call s:source(rtp, a:2) +    endif +    call s:doautocmd('User', name) +  endfor +endfunction + +function! s:lod_ft(pat, names) +  let syn = 'syntax/'.a:pat.'.vim' +  call s:lod(a:names, ['plugin', 'after/plugin'], syn, 'after/'.syn) +  execute 'autocmd! PlugLOD FileType' a:pat +  call s:doautocmd('filetypeplugin', 'FileType') +  call s:doautocmd('filetypeindent', 'FileType') +endfunction + +function! s:lod_cmd(cmd, bang, l1, l2, args, names) +  call s:lod(a:names, ['ftdetect', 'after/ftdetect', 'plugin', 'after/plugin']) +  call s:dobufread(a:names) +  execute printf('%s%s%s %s', (a:l1 == a:l2 ? '' : (a:l1.','.a:l2)), a:cmd, a:bang, a:args) +endfunction + +function! s:lod_map(map, names, with_prefix, prefix) +  call s:lod(a:names, ['ftdetect', 'after/ftdetect', 'plugin', 'after/plugin']) +  call s:dobufread(a:names) +  let extra = '' +  while 1 +    let c = getchar(0) +    if c == 0 +      break +    endif +    let extra .= nr2char(c) +  endwhile + +  if a:with_prefix +    let prefix = v:count ? v:count : '' +    let prefix .= '"'.v:register.a:prefix +    if mode(1) == 'no' +      if v:operator == 'c' +        let prefix = "\<esc>" . prefix +      endif +      let prefix .= v:operator +    endif +    call feedkeys(prefix, 'n') +  endif +  call feedkeys(substitute(a:map, '^<Plug>', "\<Plug>", '') . extra) +endfunction + +function! plug#(repo, ...) +  if a:0 > 1 +    return s:err('Invalid number of arguments (1..2)') +  endif + +  try +    let repo = s:trim(a:repo) +    let opts = a:0 == 1 ? s:parse_options(a:1) : s:base_spec +    let name = get(opts, 'as', s:plug_fnamemodify(repo, ':t:s?\.git$??')) +    let spec = extend(s:infer_properties(name, repo), opts) +    if !has_key(g:plugs, name) +      call add(g:plugs_order, name) +    endif +    let g:plugs[name] = spec +    let s:loaded[name] = get(s:loaded, name, 0) +  catch +    return s:err(repo . ' ' . v:exception) +  endtry +endfunction + +function! s:parse_options(arg) +  let opts = copy(s:base_spec) +  let type = type(a:arg) +  let opt_errfmt = 'Invalid argument for "%s" option of :Plug (expected: %s)' +  if type == s:TYPE.string +    if empty(a:arg) +      throw printf(opt_errfmt, 'tag', 'string') +    endif +    let opts.tag = a:arg +  elseif type == s:TYPE.dict +    for opt in ['branch', 'tag', 'commit', 'rtp', 'dir', 'as'] +      if has_key(a:arg, opt) +      \ && (type(a:arg[opt]) != s:TYPE.string || empty(a:arg[opt])) +        throw printf(opt_errfmt, opt, 'string') +      endif +    endfor +    for opt in ['on', 'for'] +      if has_key(a:arg, opt) +      \ && type(a:arg[opt]) != s:TYPE.list +      \ && (type(a:arg[opt]) != s:TYPE.string || empty(a:arg[opt])) +        throw printf(opt_errfmt, opt, 'string or list') +      endif +    endfor +    if has_key(a:arg, 'do') +      \ && type(a:arg.do) != s:TYPE.funcref +      \ && (type(a:arg.do) != s:TYPE.string || empty(a:arg.do)) +        throw printf(opt_errfmt, 'do', 'string or funcref') +    endif +    call extend(opts, a:arg) +    if has_key(opts, 'dir') +      let opts.dir = s:dirpath(s:plug_expand(opts.dir)) +    endif +  else +    throw 'Invalid argument type (expected: string or dictionary)' +  endif +  return opts +endfunction + +function! s:infer_properties(name, repo) +  let repo = a:repo +  if s:is_local_plug(repo) +    return { 'dir': s:dirpath(s:plug_expand(repo)) } +  else +    if repo =~ ':' +      let uri = repo +    else +      if repo !~ '/' +        throw printf('Invalid argument: %s (implicit `vim-scripts'' expansion is deprecated)', repo) +      endif +      let fmt = get(g:, 'plug_url_format', 'https://git::@github.com/%s.git') +      let uri = printf(fmt, repo) +    endif +    return { 'dir': s:dirpath(g:plug_home.'/'.a:name), 'uri': uri } +  endif +endfunction + +function! s:install(force, names) +  call s:update_impl(0, a:force, a:names) +endfunction + +function! s:update(force, names) +  call s:update_impl(1, a:force, a:names) +endfunction + +function! plug#helptags() +  if !exists('g:plugs') +    return s:err('plug#begin was not called') +  endif +  for spec in values(g:plugs) +    let docd = join([s:rtp(spec), 'doc'], '/') +    if isdirectory(docd) +      silent! execute 'helptags' s:esc(docd) +    endif +  endfor +  return 1 +endfunction + +function! s:syntax() +  syntax clear +  syntax region plug1 start=/\%1l/ end=/\%2l/ contains=plugNumber +  syntax region plug2 start=/\%2l/ end=/\%3l/ contains=plugBracket,plugX +  syn match plugNumber /[0-9]\+[0-9.]*/ contained +  syn match plugBracket /[[\]]/ contained +  syn match plugX /x/ contained +  syn match plugDash /^-\{1}\ / +  syn match plugPlus /^+/ +  syn match plugStar /^*/ +  syn match plugMessage /\(^- \)\@<=.*/ +  syn match plugName /\(^- \)\@<=[^ ]*:/ +  syn match plugSha /\%(: \)\@<=[0-9a-f]\{4,}$/ +  syn match plugTag /(tag: [^)]\+)/ +  syn match plugInstall /\(^+ \)\@<=[^:]*/ +  syn match plugUpdate /\(^* \)\@<=[^:]*/ +  syn match plugCommit /^  \X*[0-9a-f]\{7,9} .*/ contains=plugRelDate,plugEdge,plugTag +  syn match plugEdge /^  \X\+$/ +  syn match plugEdge /^  \X*/ contained nextgroup=plugSha +  syn match plugSha /[0-9a-f]\{7,9}/ contained +  syn match plugRelDate /([^)]*)$/ contained +  syn match plugNotLoaded /(not loaded)$/ +  syn match plugError /^x.*/ +  syn region plugDeleted start=/^\~ .*/ end=/^\ze\S/ +  syn match plugH2 /^.*:\n-\+$/ +  syn match plugH2 /^-\{2,}/ +  syn keyword Function PlugInstall PlugStatus PlugUpdate PlugClean +  hi def link plug1       Title +  hi def link plug2       Repeat +  hi def link plugH2      Type +  hi def link plugX       Exception +  hi def link plugBracket Structure +  hi def link plugNumber  Number + +  hi def link plugDash    Special +  hi def link plugPlus    Constant +  hi def link plugStar    Boolean + +  hi def link plugMessage Function +  hi def link plugName    Label +  hi def link plugInstall Function +  hi def link plugUpdate  Type + +  hi def link plugError   Error +  hi def link plugDeleted Ignore +  hi def link plugRelDate Comment +  hi def link plugEdge    PreProc +  hi def link plugSha     Identifier +  hi def link plugTag     Constant + +  hi def link plugNotLoaded Comment +endfunction + +function! s:lpad(str, len) +  return a:str . repeat(' ', a:len - len(a:str)) +endfunction + +function! s:lines(msg) +  return split(a:msg, "[\r\n]") +endfunction + +function! s:lastline(msg) +  return get(s:lines(a:msg), -1, '') +endfunction + +function! s:new_window() +  execute get(g:, 'plug_window', 'vertical topleft new') +endfunction + +function! s:plug_window_exists() +  let buflist = tabpagebuflist(s:plug_tab) +  return !empty(buflist) && index(buflist, s:plug_buf) >= 0 +endfunction + +function! s:switch_in() +  if !s:plug_window_exists() +    return 0 +  endif + +  if winbufnr(0) != s:plug_buf +    let s:pos = [tabpagenr(), winnr(), winsaveview()] +    execute 'normal!' s:plug_tab.'gt' +    let winnr = bufwinnr(s:plug_buf) +    execute winnr.'wincmd w' +    call add(s:pos, winsaveview()) +  else +    let s:pos = [winsaveview()] +  endif + +  setlocal modifiable +  return 1 +endfunction + +function! s:switch_out(...) +  call winrestview(s:pos[-1]) +  setlocal nomodifiable +  if a:0 > 0 +    execute a:1 +  endif + +  if len(s:pos) > 1 +    execute 'normal!' s:pos[0].'gt' +    execute s:pos[1] 'wincmd w' +    call winrestview(s:pos[2]) +  endif +endfunction + +function! s:finish_bindings() +  nnoremap <silent> <buffer> R  :call <SID>retry()<cr> +  nnoremap <silent> <buffer> D  :PlugDiff<cr> +  nnoremap <silent> <buffer> S  :PlugStatus<cr> +  nnoremap <silent> <buffer> U  :call <SID>status_update()<cr> +  xnoremap <silent> <buffer> U  :call <SID>status_update()<cr> +  nnoremap <silent> <buffer> ]] :silent! call <SID>section('')<cr> +  nnoremap <silent> <buffer> [[ :silent! call <SID>section('b')<cr> +endfunction + +function! s:prepare(...) +  if empty(s:plug_getcwd()) +    throw 'Invalid current working directory. Cannot proceed.' +  endif + +  for evar in ['$GIT_DIR', '$GIT_WORK_TREE'] +    if exists(evar) +      throw evar.' detected. Cannot proceed.' +    endif +  endfor + +  call s:job_abort() +  if s:switch_in() +    if b:plug_preview == 1 +      pc +    endif +    enew +  else +    call s:new_window() +  endif + +  nnoremap <silent> <buffer> q :call <SID>close_pane()<cr> +  if a:0 == 0 +    call s:finish_bindings() +  endif +  let b:plug_preview = -1 +  let s:plug_tab = tabpagenr() +  let s:plug_buf = winbufnr(0) +  call s:assign_name() + +  for k in ['<cr>', 'L', 'o', 'X', 'd', 'dd'] +    execute 'silent! unmap <buffer>' k +  endfor +  setlocal buftype=nofile bufhidden=wipe nobuflisted nolist noswapfile nowrap cursorline modifiable nospell +  if exists('+colorcolumn') +    setlocal colorcolumn= +  endif +  setf vim-plug +  if exists('g:syntax_on') +    call s:syntax() +  endif +endfunction + +function! s:close_pane() +  if b:plug_preview == 1 +    pc +    let b:plug_preview = -1 +  else +    bd +  endif +endfunction + +function! s:assign_name() +  " Assign buffer name +  let prefix = '[Plugins]' +  let name   = prefix +  let idx    = 2 +  while bufexists(name) +    let name = printf('%s (%s)', prefix, idx) +    let idx = idx + 1 +  endwhile +  silent! execute 'f' fnameescape(name) +endfunction + +function! s:chsh(swap) +  let prev = [&shell, &shellcmdflag, &shellredir] +  if !s:is_win +    set shell=sh +  endif +  if a:swap +    if s:is_powershell(&shell) +      let &shellredir = '2>&1 | Out-File -Encoding UTF8 %s' +    elseif &shell =~# 'sh' || &shell =~# 'cmd\(\.exe\)\?$' +      set shellredir=>%s\ 2>&1 +    endif +  endif +  return prev +endfunction + +function! s:bang(cmd, ...) +  let batchfile = '' +  try +    let [sh, shellcmdflag, shrd] = s:chsh(a:0) +    " FIXME: Escaping is incomplete. We could use shellescape with eval, +    "        but it won't work on Windows. +    let cmd = a:0 ? s:with_cd(a:cmd, a:1) : a:cmd +    if s:is_win +      let [batchfile, cmd] = s:batchfile(cmd) +    endif +    let g:_plug_bang = (s:is_win && has('gui_running') ? 'silent ' : '').'!'.escape(cmd, '#!%') +    execute "normal! :execute g:_plug_bang\<cr>\<cr>" +  finally +    unlet g:_plug_bang +    let [&shell, &shellcmdflag, &shellredir] = [sh, shellcmdflag, shrd] +    if s:is_win && filereadable(batchfile) +      call delete(batchfile) +    endif +  endtry +  return v:shell_error ? 'Exit status: ' . v:shell_error : '' +endfunction + +function! s:regress_bar() +  let bar = substitute(getline(2)[1:-2], '.*\zs=', 'x', '') +  call s:progress_bar(2, bar, len(bar)) +endfunction + +function! s:is_updated(dir) +  return !empty(s:system_chomp(['git', 'log', '--pretty=format:%h', 'HEAD...HEAD@{1}'], a:dir)) +endfunction + +function! s:do(pull, force, todo) +  for [name, spec] in items(a:todo) +    if !isdirectory(spec.dir) +      continue +    endif +    let installed = has_key(s:update.new, name) +    let updated = installed ? 0 : +      \ (a:pull && index(s:update.errors, name) < 0 && s:is_updated(spec.dir)) +    if a:force || installed || updated +      execute 'cd' s:esc(spec.dir) +      call append(3, '- Post-update hook for '. name .' ... ') +      let error = '' +      let type = type(spec.do) +      if type == s:TYPE.string +        if spec.do[0] == ':' +          if !get(s:loaded, name, 0) +            let s:loaded[name] = 1 +            call s:reorg_rtp() +          endif +          call s:load_plugin(spec) +          try +            execute spec.do[1:] +          catch +            let error = v:exception +          endtry +          if !s:plug_window_exists() +            cd - +            throw 'Warning: vim-plug was terminated by the post-update hook of '.name +          endif +        else +          let error = s:bang(spec.do) +        endif +      elseif type == s:TYPE.funcref +        try +          call s:load_plugin(spec) +          let status = installed ? 'installed' : (updated ? 'updated' : 'unchanged') +          call spec.do({ 'name': name, 'status': status, 'force': a:force }) +        catch +          let error = v:exception +        endtry +      else +        let error = 'Invalid hook type' +      endif +      call s:switch_in() +      call setline(4, empty(error) ? (getline(4) . 'OK') +                                 \ : ('x' . getline(4)[1:] . error)) +      if !empty(error) +        call add(s:update.errors, name) +        call s:regress_bar() +      endif +      cd - +    endif +  endfor +endfunction + +function! s:hash_match(a, b) +  return stridx(a:a, a:b) == 0 || stridx(a:b, a:a) == 0 +endfunction + +function! s:checkout(spec) +  let sha = a:spec.commit +  let output = s:git_revision(a:spec.dir) +  if !empty(output) && !s:hash_match(sha, s:lines(output)[0]) +    let credential_helper = s:git_version_requirement(2) ? '-c credential.helper= ' : '' +    let output = s:system( +          \ 'git '.credential_helper.'fetch --depth 999999 && git checkout '.plug#shellescape(sha).' --', a:spec.dir) +  endif +  return output +endfunction + +function! s:finish(pull) +  let new_frozen = len(filter(keys(s:update.new), 'g:plugs[v:val].frozen')) +  if new_frozen +    let s = new_frozen > 1 ? 's' : '' +    call append(3, printf('- Installed %d frozen plugin%s', new_frozen, s)) +  endif +  call append(3, '- Finishing ... ') | 4 +  redraw +  call plug#helptags() +  call plug#end() +  call setline(4, getline(4) . 'Done!') +  redraw +  let msgs = [] +  if !empty(s:update.errors) +    call add(msgs, "Press 'R' to retry.") +  endif +  if a:pull && len(s:update.new) < len(filter(getline(5, '$'), +                \ "v:val =~ '^- ' && v:val !~# 'Already up.to.date'")) +    call add(msgs, "Press 'D' to see the updated changes.") +  endif +  echo join(msgs, ' ') +  call s:finish_bindings() +endfunction + +function! s:retry() +  if empty(s:update.errors) +    return +  endif +  echo +  call s:update_impl(s:update.pull, s:update.force, +        \ extend(copy(s:update.errors), [s:update.threads])) +endfunction + +function! s:is_managed(name) +  return has_key(g:plugs[a:name], 'uri') +endfunction + +function! s:names(...) +  return sort(filter(keys(g:plugs), 'stridx(v:val, a:1) == 0 && s:is_managed(v:val)')) +endfunction + +function! s:check_ruby() +  silent! ruby require 'thread'; VIM::command("let g:plug_ruby = '#{RUBY_VERSION}'") +  if !exists('g:plug_ruby') +    redraw! +    return s:warn('echom', 'Warning: Ruby interface is broken') +  endif +  let ruby_version = split(g:plug_ruby, '\.') +  unlet g:plug_ruby +  return s:version_requirement(ruby_version, [1, 8, 7]) +endfunction + +function! s:update_impl(pull, force, args) abort +  let sync = index(a:args, '--sync') >= 0 || has('vim_starting') +  let args = filter(copy(a:args), 'v:val != "--sync"') +  let threads = (len(args) > 0 && args[-1] =~ '^[1-9][0-9]*$') ? +                  \ remove(args, -1) : get(g:, 'plug_threads', 16) + +  let managed = filter(copy(g:plugs), 's:is_managed(v:key)') +  let todo = empty(args) ? filter(managed, '!v:val.frozen || !isdirectory(v:val.dir)') : +                         \ filter(managed, 'index(args, v:key) >= 0') + +  if empty(todo) +    return s:warn('echo', 'No plugin to '. (a:pull ? 'update' : 'install')) +  endif + +  if !s:is_win && s:git_version_requirement(2, 3) +    let s:git_terminal_prompt = exists('$GIT_TERMINAL_PROMPT') ? $GIT_TERMINAL_PROMPT : '' +    let $GIT_TERMINAL_PROMPT = 0 +    for plug in values(todo) +      let plug.uri = substitute(plug.uri, +            \ '^https://git::@github\.com', 'https://github.com', '') +    endfor +  endif + +  if !isdirectory(g:plug_home) +    try +      call mkdir(g:plug_home, 'p') +    catch +      return s:err(printf('Invalid plug directory: %s. '. +              \ 'Try to call plug#begin with a valid directory', g:plug_home)) +    endtry +  endif + +  if has('nvim') && !exists('*jobwait') && threads > 1 +    call s:warn('echom', '[vim-plug] Update Neovim for parallel installer') +  endif + +  let use_job = s:nvim || s:vim8 +  let python = (has('python') || has('python3')) && !use_job +  let ruby = has('ruby') && !use_job && (v:version >= 703 || v:version == 702 && has('patch374')) && !(s:is_win && has('gui_running')) && threads > 1 && s:check_ruby() + +  let s:update = { +    \ 'start':   reltime(), +    \ 'all':     todo, +    \ 'todo':    copy(todo), +    \ 'errors':  [], +    \ 'pull':    a:pull, +    \ 'force':   a:force, +    \ 'new':     {}, +    \ 'threads': (python || ruby || use_job) ? min([len(todo), threads]) : 1, +    \ 'bar':     '', +    \ 'fin':     0 +  \ } + +  call s:prepare(1) +  call append(0, ['', '']) +  normal! 2G +  silent! redraw + +  " Set remote name, overriding a possible user git config's clone.defaultRemoteName +  let s:clone_opt = ['--origin', 'origin'] +  if get(g:, 'plug_shallow', 1) +    call extend(s:clone_opt, ['--depth', '1']) +    if s:git_version_requirement(1, 7, 10) +      call add(s:clone_opt, '--no-single-branch') +    endif +  endif + +  if has('win32unix') || has('wsl') +    call extend(s:clone_opt, ['-c', 'core.eol=lf', '-c', 'core.autocrlf=input']) +  endif + +  let s:submodule_opt = s:git_version_requirement(2, 8) ? ' --jobs='.threads : '' + +  " Python version requirement (>= 2.7) +  if python && !has('python3') && !ruby && !use_job && s:update.threads > 1 +    redir => pyv +    silent python import platform; print platform.python_version() +    redir END +    let python = s:version_requirement( +          \ map(split(split(pyv)[0], '\.'), 'str2nr(v:val)'), [2, 6]) +  endif + +  if (python || ruby) && s:update.threads > 1 +    try +      let imd = &imd +      if s:mac_gui +        set noimd +      endif +      if ruby +        call s:update_ruby() +      else +        call s:update_python() +      endif +    catch +      let lines = getline(4, '$') +      let printed = {} +      silent! 4,$d _ +      for line in lines +        let name = s:extract_name(line, '.', '') +        if empty(name) || !has_key(printed, name) +          call append('$', line) +          if !empty(name) +            let printed[name] = 1 +            if line[0] == 'x' && index(s:update.errors, name) < 0 +              call add(s:update.errors, name) +            end +          endif +        endif +      endfor +    finally +      let &imd = imd +      call s:update_finish() +    endtry +  else +    call s:update_vim() +    while use_job && sync +      sleep 100m +      if s:update.fin +        break +      endif +    endwhile +  endif +endfunction + +function! s:log4(name, msg) +  call setline(4, printf('- %s (%s)', a:msg, a:name)) +  redraw +endfunction + +function! s:update_finish() +  if exists('s:git_terminal_prompt') +    let $GIT_TERMINAL_PROMPT = s:git_terminal_prompt +  endif +  if s:switch_in() +    call append(3, '- Updating ...') | 4 +    for [name, spec] in items(filter(copy(s:update.all), 'index(s:update.errors, v:key) < 0 && (s:update.force || s:update.pull || has_key(s:update.new, v:key))')) +      let [pos, _] = s:logpos(name) +      if !pos +        continue +      endif +      if has_key(spec, 'commit') +        call s:log4(name, 'Checking out '.spec.commit) +        let out = s:checkout(spec) +      elseif has_key(spec, 'tag') +        let tag = spec.tag +        if tag =~ '\*' +          let tags = s:lines(s:system('git tag --list '.plug#shellescape(tag).' --sort -version:refname 2>&1', spec.dir)) +          if !v:shell_error && !empty(tags) +            let tag = tags[0] +            call s:log4(name, printf('Latest tag for %s -> %s', spec.tag, tag)) +            call append(3, '') +          endif +        endif +        call s:log4(name, 'Checking out '.tag) +        let out = s:system('git checkout -q '.plug#shellescape(tag).' -- 2>&1', spec.dir) +      else +        let branch = s:git_origin_branch(spec) +        call s:log4(name, 'Merging origin/'.s:esc(branch)) +        let out = s:system('git checkout -q '.plug#shellescape(branch).' -- 2>&1' +              \. (has_key(s:update.new, name) ? '' : ('&& git merge --ff-only '.plug#shellescape('origin/'.branch).' 2>&1')), spec.dir) +      endif +      if !v:shell_error && filereadable(spec.dir.'/.gitmodules') && +            \ (s:update.force || has_key(s:update.new, name) || s:is_updated(spec.dir)) +        call s:log4(name, 'Updating submodules. This may take a while.') +        let out .= s:bang('git submodule update --init --recursive'.s:submodule_opt.' 2>&1', spec.dir) +      endif +      let msg = s:format_message(v:shell_error ? 'x': '-', name, out) +      if v:shell_error +        call add(s:update.errors, name) +        call s:regress_bar() +        silent execute pos 'd _' +        call append(4, msg) | 4 +      elseif !empty(out) +        call setline(pos, msg[0]) +      endif +      redraw +    endfor +    silent 4 d _ +    try +      call s:do(s:update.pull, s:update.force, filter(copy(s:update.all), 'index(s:update.errors, v:key) < 0 && has_key(v:val, "do")')) +    catch +      call s:warn('echom', v:exception) +      call s:warn('echo', '') +      return +    endtry +    call s:finish(s:update.pull) +    call setline(1, 'Updated. Elapsed time: ' . split(reltimestr(reltime(s:update.start)))[0] . ' sec.') +    call s:switch_out('normal! gg') +  endif +endfunction + +function! s:job_abort() +  if (!s:nvim && !s:vim8) || !exists('s:jobs') +    return +  endif + +  for [name, j] in items(s:jobs) +    if s:nvim +      silent! call jobstop(j.jobid) +    elseif s:vim8 +      silent! call job_stop(j.jobid) +    endif +    if j.new +      call s:rm_rf(g:plugs[name].dir) +    endif +  endfor +  let s:jobs = {} +endfunction + +function! s:last_non_empty_line(lines) +  let len = len(a:lines) +  for idx in range(len) +    let line = a:lines[len-idx-1] +    if !empty(line) +      return line +    endif +  endfor +  return '' +endfunction + +function! s:job_out_cb(self, data) abort +  let self = a:self +  let data = remove(self.lines, -1) . a:data +  let lines = map(split(data, "\n", 1), 'split(v:val, "\r", 1)[-1]') +  call extend(self.lines, lines) +  " To reduce the number of buffer updates +  let self.tick = get(self, 'tick', -1) + 1 +  if !self.running || self.tick % len(s:jobs) == 0 +    let bullet = self.running ? (self.new ? '+' : '*') : (self.error ? 'x' : '-') +    let result = self.error ? join(self.lines, "\n") : s:last_non_empty_line(self.lines) +    call s:log(bullet, self.name, result) +  endif +endfunction + +function! s:job_exit_cb(self, data) abort +  let a:self.running = 0 +  let a:self.error = a:data != 0 +  call s:reap(a:self.name) +  call s:tick() +endfunction + +function! s:job_cb(fn, job, ch, data) +  if !s:plug_window_exists() " plug window closed +    return s:job_abort() +  endif +  call call(a:fn, [a:job, a:data]) +endfunction + +function! s:nvim_cb(job_id, data, event) dict abort +  return (a:event == 'stdout' || a:event == 'stderr') ? +    \ s:job_cb('s:job_out_cb',  self, 0, join(a:data, "\n")) : +    \ s:job_cb('s:job_exit_cb', self, 0, a:data) +endfunction + +function! s:spawn(name, cmd, opts) +  let job = { 'name': a:name, 'running': 1, 'error': 0, 'lines': [''], +            \ 'new': get(a:opts, 'new', 0) } +  let s:jobs[a:name] = job + +  if s:nvim +    if has_key(a:opts, 'dir') +      let job.cwd = a:opts.dir +    endif +    let argv = a:cmd +    call extend(job, { +    \ 'on_stdout': function('s:nvim_cb'), +    \ 'on_stderr': function('s:nvim_cb'), +    \ 'on_exit':   function('s:nvim_cb'), +    \ }) +    let jid = s:plug_call('jobstart', argv, job) +    if jid > 0 +      let job.jobid = jid +    else +      let job.running = 0 +      let job.error   = 1 +      let job.lines   = [jid < 0 ? argv[0].' is not executable' : +            \ 'Invalid arguments (or job table is full)'] +    endif +  elseif s:vim8 +    let cmd = join(map(copy(a:cmd), 'plug#shellescape(v:val, {"script": 0})')) +    if has_key(a:opts, 'dir') +      let cmd = s:with_cd(cmd, a:opts.dir, 0) +    endif +    let argv = s:is_win ? ['cmd', '/s', '/c', '"'.cmd.'"'] : ['sh', '-c', cmd] +    let jid = job_start(s:is_win ? join(argv, ' ') : argv, { +    \ 'out_cb':   function('s:job_cb', ['s:job_out_cb',  job]), +    \ 'err_cb':   function('s:job_cb', ['s:job_out_cb',  job]), +    \ 'exit_cb':  function('s:job_cb', ['s:job_exit_cb', job]), +    \ 'err_mode': 'raw', +    \ 'out_mode': 'raw' +    \}) +    if job_status(jid) == 'run' +      let job.jobid = jid +    else +      let job.running = 0 +      let job.error   = 1 +      let job.lines   = ['Failed to start job'] +    endif +  else +    let job.lines = s:lines(call('s:system', has_key(a:opts, 'dir') ? [a:cmd, a:opts.dir] : [a:cmd])) +    let job.error = v:shell_error != 0 +    let job.running = 0 +  endif +endfunction + +function! s:reap(name) +  let job = s:jobs[a:name] +  if job.error +    call add(s:update.errors, a:name) +  elseif get(job, 'new', 0) +    let s:update.new[a:name] = 1 +  endif +  let s:update.bar .= job.error ? 'x' : '=' + +  let bullet = job.error ? 'x' : '-' +  let result = job.error ? join(job.lines, "\n") : s:last_non_empty_line(job.lines) +  call s:log(bullet, a:name, empty(result) ? 'OK' : result) +  call s:bar() + +  call remove(s:jobs, a:name) +endfunction + +function! s:bar() +  if s:switch_in() +    let total = len(s:update.all) +    call setline(1, (s:update.pull ? 'Updating' : 'Installing'). +          \ ' plugins ('.len(s:update.bar).'/'.total.')') +    call s:progress_bar(2, s:update.bar, total) +    call s:switch_out() +  endif +endfunction + +function! s:logpos(name) +  let max = line('$') +  for i in range(4, max > 4 ? max : 4) +    if getline(i) =~# '^[-+x*] '.a:name.':' +      for j in range(i + 1, max > 5 ? max : 5) +        if getline(j) !~ '^ ' +          return [i, j - 1] +        endif +      endfor +      return [i, i] +    endif +  endfor +  return [0, 0] +endfunction + +function! s:log(bullet, name, lines) +  if s:switch_in() +    let [b, e] = s:logpos(a:name) +    if b > 0 +      silent execute printf('%d,%d d _', b, e) +      if b > winheight('.') +        let b = 4 +      endif +    else +      let b = 4 +    endif +    " FIXME For some reason, nomodifiable is set after :d in vim8 +    setlocal modifiable +    call append(b - 1, s:format_message(a:bullet, a:name, a:lines)) +    call s:switch_out() +  endif +endfunction + +function! s:update_vim() +  let s:jobs = {} + +  call s:bar() +  call s:tick() +endfunction + +function! s:tick() +  let pull = s:update.pull +  let prog = s:progress_opt(s:nvim || s:vim8) +while 1 " Without TCO, Vim stack is bound to explode +  if empty(s:update.todo) +    if empty(s:jobs) && !s:update.fin +      call s:update_finish() +      let s:update.fin = 1 +    endif +    return +  endif + +  let name = keys(s:update.todo)[0] +  let spec = remove(s:update.todo, name) +  let new  = empty(globpath(spec.dir, '.git', 1)) + +  call s:log(new ? '+' : '*', name, pull ? 'Updating ...' : 'Installing ...') +  redraw + +  let has_tag = has_key(spec, 'tag') +  if !new +    let [error, _] = s:git_validate(spec, 0) +    if empty(error) +      if pull +        let cmd = s:git_version_requirement(2) ? ['git', '-c', 'credential.helper=', 'fetch'] : ['git', 'fetch'] +        if has_tag && !empty(globpath(spec.dir, '.git/shallow')) +          call extend(cmd, ['--depth', '99999999']) +        endif +        if !empty(prog) +          call add(cmd, prog) +        endif +        call s:spawn(name, cmd, { 'dir': spec.dir }) +      else +        let s:jobs[name] = { 'running': 0, 'lines': ['Already installed'], 'error': 0 } +      endif +    else +      let s:jobs[name] = { 'running': 0, 'lines': s:lines(error), 'error': 1 } +    endif +  else +    let cmd = ['git', 'clone'] +    if !has_tag +      call extend(cmd, s:clone_opt) +    endif +    if !empty(prog) +      call add(cmd, prog) +    endif +    call s:spawn(name, extend(cmd, [spec.uri, s:trim(spec.dir)]), { 'new': 1 }) +  endif + +  if !s:jobs[name].running +    call s:reap(name) +  endif +  if len(s:jobs) >= s:update.threads +    break +  endif +endwhile +endfunction + +function! s:update_python() +let py_exe = has('python') ? 'python' : 'python3' +execute py_exe "<< EOF" +import datetime +import functools +import os +try: +  import queue +except ImportError: +  import Queue as queue +import random +import re +import shutil +import signal +import subprocess +import tempfile +import threading as thr +import time +import traceback +import vim + +G_NVIM = vim.eval("has('nvim')") == '1' +G_PULL = vim.eval('s:update.pull') == '1' +G_RETRIES = int(vim.eval('get(g:, "plug_retries", 2)')) + 1 +G_TIMEOUT = int(vim.eval('get(g:, "plug_timeout", 60)')) +G_CLONE_OPT = ' '.join(vim.eval('s:clone_opt')) +G_PROGRESS = vim.eval('s:progress_opt(1)') +G_LOG_PROB = 1.0 / int(vim.eval('s:update.threads')) +G_STOP = thr.Event() +G_IS_WIN = vim.eval('s:is_win') == '1' + +class PlugError(Exception): +  def __init__(self, msg): +    self.msg = msg +class CmdTimedOut(PlugError): +  pass +class CmdFailed(PlugError): +  pass +class InvalidURI(PlugError): +  pass +class Action(object): +  INSTALL, UPDATE, ERROR, DONE = ['+', '*', 'x', '-'] + +class Buffer(object): +  def __init__(self, lock, num_plugs, is_pull): +    self.bar = '' +    self.event = 'Updating' if is_pull else 'Installing' +    self.lock = lock +    self.maxy = int(vim.eval('winheight(".")')) +    self.num_plugs = num_plugs + +  def __where(self, name): +    """ Find first line with name in current buffer. Return line num. """ +    found, lnum = False, 0 +    matcher = re.compile('^[-+x*] {0}:'.format(name)) +    for line in vim.current.buffer: +      if matcher.search(line) is not None: +        found = True +        break +      lnum += 1 + +    if not found: +      lnum = -1 +    return lnum + +  def header(self): +    curbuf = vim.current.buffer +    curbuf[0] = self.event + ' plugins ({0}/{1})'.format(len(self.bar), self.num_plugs) + +    num_spaces = self.num_plugs - len(self.bar) +    curbuf[1] = '[{0}{1}]'.format(self.bar, num_spaces * ' ') + +    with self.lock: +      vim.command('normal! 2G') +      vim.command('redraw') + +  def write(self, action, name, lines): +    first, rest = lines[0], lines[1:] +    msg = ['{0} {1}{2}{3}'.format(action, name, ': ' if first else '', first)] +    msg.extend(['    ' + line for line in rest]) + +    try: +      if action == Action.ERROR: +        self.bar += 'x' +        vim.command("call add(s:update.errors, '{0}')".format(name)) +      elif action == Action.DONE: +        self.bar += '=' + +      curbuf = vim.current.buffer +      lnum = self.__where(name) +      if lnum != -1: # Found matching line num +        del curbuf[lnum] +        if lnum > self.maxy and action in set([Action.INSTALL, Action.UPDATE]): +          lnum = 3 +      else: +        lnum = 3 +      curbuf.append(msg, lnum) + +      self.header() +    except vim.error: +      pass + +class Command(object): +  CD = 'cd /d' if G_IS_WIN else 'cd' + +  def __init__(self, cmd, cmd_dir=None, timeout=60, cb=None, clean=None): +    self.cmd = cmd +    if cmd_dir: +      self.cmd = '{0} {1} && {2}'.format(Command.CD, cmd_dir, self.cmd) +    self.timeout = timeout +    self.callback = cb if cb else (lambda msg: None) +    self.clean = clean if clean else (lambda: None) +    self.proc = None + +  @property +  def alive(self): +    """ Returns true only if command still running. """ +    return self.proc and self.proc.poll() is None + +  def execute(self, ntries=3): +    """ Execute the command with ntries if CmdTimedOut. +        Returns the output of the command if no Exception. +    """ +    attempt, finished, limit = 0, False, self.timeout + +    while not finished: +      try: +        attempt += 1 +        result = self.try_command() +        finished = True +        return result +      except CmdTimedOut: +        if attempt != ntries: +          self.notify_retry() +          self.timeout += limit +        else: +          raise + +  def notify_retry(self): +    """ Retry required for command, notify user. """ +    for count in range(3, 0, -1): +      if G_STOP.is_set(): +        raise KeyboardInterrupt +      msg = 'Timeout. Will retry in {0} second{1} ...'.format( +            count, 's' if count != 1 else '') +      self.callback([msg]) +      time.sleep(1) +    self.callback(['Retrying ...']) + +  def try_command(self): +    """ Execute a cmd & poll for callback. Returns list of output. +        Raises CmdFailed   -> return code for Popen isn't 0 +        Raises CmdTimedOut -> command exceeded timeout without new output +    """ +    first_line = True + +    try: +      tfile = tempfile.NamedTemporaryFile(mode='w+b') +      preexec_fn = not G_IS_WIN and os.setsid or None +      self.proc = subprocess.Popen(self.cmd, stdout=tfile, +                                   stderr=subprocess.STDOUT, +                                   stdin=subprocess.PIPE, shell=True, +                                   preexec_fn=preexec_fn) +      thrd = thr.Thread(target=(lambda proc: proc.wait()), args=(self.proc,)) +      thrd.start() + +      thread_not_started = True +      while thread_not_started: +        try: +          thrd.join(0.1) +          thread_not_started = False +        except RuntimeError: +          pass + +      while self.alive: +        if G_STOP.is_set(): +          raise KeyboardInterrupt + +        if first_line or random.random() < G_LOG_PROB: +          first_line = False +          line = '' if G_IS_WIN else nonblock_read(tfile.name) +          if line: +            self.callback([line]) + +        time_diff = time.time() - os.path.getmtime(tfile.name) +        if time_diff > self.timeout: +          raise CmdTimedOut(['Timeout!']) + +        thrd.join(0.5) + +      tfile.seek(0) +      result = [line.decode('utf-8', 'replace').rstrip() for line in tfile] + +      if self.proc.returncode != 0: +        raise CmdFailed([''] + result) + +      return result +    except: +      self.terminate() +      raise + +  def terminate(self): +    """ Terminate process and cleanup. """ +    if self.alive: +      if G_IS_WIN: +        os.kill(self.proc.pid, signal.SIGINT) +      else: +        os.killpg(self.proc.pid, signal.SIGTERM) +    self.clean() + +class Plugin(object): +  def __init__(self, name, args, buf_q, lock): +    self.name = name +    self.args = args +    self.buf_q = buf_q +    self.lock = lock +    self.tag = args.get('tag', 0) + +  def manage(self): +    try: +      if os.path.exists(self.args['dir']): +        self.update() +      else: +        self.install() +        with self.lock: +          thread_vim_command("let s:update.new['{0}'] = 1".format(self.name)) +    except PlugError as exc: +      self.write(Action.ERROR, self.name, exc.msg) +    except KeyboardInterrupt: +      G_STOP.set() +      self.write(Action.ERROR, self.name, ['Interrupted!']) +    except: +      # Any exception except those above print stack trace +      msg = 'Trace:\n{0}'.format(traceback.format_exc().rstrip()) +      self.write(Action.ERROR, self.name, msg.split('\n')) +      raise + +  def install(self): +    target = self.args['dir'] +    if target[-1] == '\\': +      target = target[0:-1] + +    def clean(target): +      def _clean(): +        try: +          shutil.rmtree(target) +        except OSError: +          pass +      return _clean + +    self.write(Action.INSTALL, self.name, ['Installing ...']) +    callback = functools.partial(self.write, Action.INSTALL, self.name) +    cmd = 'git clone {0} {1} {2} {3} 2>&1'.format( +          '' if self.tag else G_CLONE_OPT, G_PROGRESS, self.args['uri'], +          esc(target)) +    com = Command(cmd, None, G_TIMEOUT, callback, clean(target)) +    result = com.execute(G_RETRIES) +    self.write(Action.DONE, self.name, result[-1:]) + +  def repo_uri(self): +    cmd = 'git rev-parse --abbrev-ref HEAD 2>&1 && git config -f .git/config remote.origin.url' +    command = Command(cmd, self.args['dir'], G_TIMEOUT,) +    result = command.execute(G_RETRIES) +    return result[-1] + +  def update(self): +    actual_uri = self.repo_uri() +    expect_uri = self.args['uri'] +    regex = re.compile(r'^(?:\w+://)?(?:[^@/]*@)?([^:/]*(?::[0-9]*)?)[:/](.*?)(?:\.git)?/?$') +    ma = regex.match(actual_uri) +    mb = regex.match(expect_uri) +    if ma is None or mb is None or ma.groups() != mb.groups(): +      msg = ['', +             'Invalid URI: {0}'.format(actual_uri), +             'Expected     {0}'.format(expect_uri), +             'PlugClean required.'] +      raise InvalidURI(msg) + +    if G_PULL: +      self.write(Action.UPDATE, self.name, ['Updating ...']) +      callback = functools.partial(self.write, Action.UPDATE, self.name) +      fetch_opt = '--depth 99999999' if self.tag and os.path.isfile(os.path.join(self.args['dir'], '.git/shallow')) else '' +      cmd = 'git fetch {0} {1} 2>&1'.format(fetch_opt, G_PROGRESS) +      com = Command(cmd, self.args['dir'], G_TIMEOUT, callback) +      result = com.execute(G_RETRIES) +      self.write(Action.DONE, self.name, result[-1:]) +    else: +      self.write(Action.DONE, self.name, ['Already installed']) + +  def write(self, action, name, msg): +    self.buf_q.put((action, name, msg)) + +class PlugThread(thr.Thread): +  def __init__(self, tname, args): +    super(PlugThread, self).__init__() +    self.tname = tname +    self.args = args + +  def run(self): +    thr.current_thread().name = self.tname +    buf_q, work_q, lock = self.args + +    try: +      while not G_STOP.is_set(): +        name, args = work_q.get_nowait() +        plug = Plugin(name, args, buf_q, lock) +        plug.manage() +        work_q.task_done() +    except queue.Empty: +      pass + +class RefreshThread(thr.Thread): +  def __init__(self, lock): +    super(RefreshThread, self).__init__() +    self.lock = lock +    self.running = True + +  def run(self): +    while self.running: +      with self.lock: +        thread_vim_command('noautocmd normal! a') +      time.sleep(0.33) + +  def stop(self): +    self.running = False + +if G_NVIM: +  def thread_vim_command(cmd): +    vim.session.threadsafe_call(lambda: vim.command(cmd)) +else: +  def thread_vim_command(cmd): +    vim.command(cmd) + +def esc(name): +  return '"' + name.replace('"', '\"') + '"' + +def nonblock_read(fname): +  """ Read a file with nonblock flag. Return the last line. """ +  fread = os.open(fname, os.O_RDONLY | os.O_NONBLOCK) +  buf = os.read(fread, 100000).decode('utf-8', 'replace') +  os.close(fread) + +  line = buf.rstrip('\r\n') +  left = max(line.rfind('\r'), line.rfind('\n')) +  if left != -1: +    left += 1 +    line = line[left:] + +  return line + +def main(): +  thr.current_thread().name = 'main' +  nthreads = int(vim.eval('s:update.threads')) +  plugs = vim.eval('s:update.todo') +  mac_gui = vim.eval('s:mac_gui') == '1' + +  lock = thr.Lock() +  buf = Buffer(lock, len(plugs), G_PULL) +  buf_q, work_q = queue.Queue(), queue.Queue() +  for work in plugs.items(): +    work_q.put(work) + +  start_cnt = thr.active_count() +  for num in range(nthreads): +    tname = 'PlugT-{0:02}'.format(num) +    thread = PlugThread(tname, (buf_q, work_q, lock)) +    thread.start() +  if mac_gui: +    rthread = RefreshThread(lock) +    rthread.start() + +  while not buf_q.empty() or thr.active_count() != start_cnt: +    try: +      action, name, msg = buf_q.get(True, 0.25) +      buf.write(action, name, ['OK'] if not msg else msg) +      buf_q.task_done() +    except queue.Empty: +      pass +    except KeyboardInterrupt: +      G_STOP.set() + +  if mac_gui: +    rthread.stop() +    rthread.join() + +main() +EOF +endfunction + +function! s:update_ruby() +  ruby << EOF +  module PlugStream +    SEP = ["\r", "\n", nil] +    def get_line +      buffer = '' +      loop do +        char = readchar rescue return +        if SEP.include? char.chr +          buffer << $/ +          break +        else +          buffer << char +        end +      end +      buffer +    end +  end unless defined?(PlugStream) + +  def esc arg +    %["#{arg.gsub('"', '\"')}"] +  end + +  def killall pid +    pids = [pid] +    if /mswin|mingw|bccwin/ =~ RUBY_PLATFORM +      pids.each { |pid| Process.kill 'INT', pid.to_i rescue nil } +    else +      unless `which pgrep 2> /dev/null`.empty? +        children = pids +        until children.empty? +          children = children.map { |pid| +            `pgrep -P #{pid}`.lines.map { |l| l.chomp } +          }.flatten +          pids += children +        end +      end +      pids.each { |pid| Process.kill 'TERM', pid.to_i rescue nil } +    end +  end + +  def compare_git_uri a, b +    regex = %r{^(?:\w+://)?(?:[^@/]*@)?([^:/]*(?::[0-9]*)?)[:/](.*?)(?:\.git)?/?$} +    regex.match(a).to_a.drop(1) == regex.match(b).to_a.drop(1) +  end + +  require 'thread' +  require 'fileutils' +  require 'timeout' +  running = true +  iswin = VIM::evaluate('s:is_win').to_i == 1 +  pull  = VIM::evaluate('s:update.pull').to_i == 1 +  base  = VIM::evaluate('g:plug_home') +  all   = VIM::evaluate('s:update.todo') +  limit = VIM::evaluate('get(g:, "plug_timeout", 60)') +  tries = VIM::evaluate('get(g:, "plug_retries", 2)') + 1 +  nthr  = VIM::evaluate('s:update.threads').to_i +  maxy  = VIM::evaluate('winheight(".")').to_i +  vim7  = VIM::evaluate('v:version').to_i <= 703 && RUBY_PLATFORM =~ /darwin/ +  cd    = iswin ? 'cd /d' : 'cd' +  tot   = VIM::evaluate('len(s:update.todo)') || 0 +  bar   = '' +  skip  = 'Already installed' +  mtx   = Mutex.new +  take1 = proc { mtx.synchronize { running && all.shift } } +  logh  = proc { +    cnt = bar.length +    $curbuf[1] = "#{pull ? 'Updating' : 'Installing'} plugins (#{cnt}/#{tot})" +    $curbuf[2] = '[' + bar.ljust(tot) + ']' +    VIM::command('normal! 2G') +    VIM::command('redraw') +  } +  where = proc { |name| (1..($curbuf.length)).find { |l| $curbuf[l] =~ /^[-+x*] #{name}:/ } } +  log   = proc { |name, result, type| +    mtx.synchronize do +      ing  = ![true, false].include?(type) +      bar += type ? '=' : 'x' unless ing +      b = case type +          when :install  then '+' when :update then '*' +          when true, nil then '-' else +            VIM::command("call add(s:update.errors, '#{name}')") +            'x' +          end +      result = +        if type || type.nil? +          ["#{b} #{name}: #{result.lines.to_a.last || 'OK'}"] +        elsif result =~ /^Interrupted|^Timeout/ +          ["#{b} #{name}: #{result}"] +        else +          ["#{b} #{name}"] + result.lines.map { |l| "    " << l } +        end +      if lnum = where.call(name) +        $curbuf.delete lnum +        lnum = 4 if ing && lnum > maxy +      end +      result.each_with_index do |line, offset| +        $curbuf.append((lnum || 4) - 1 + offset, line.gsub(/\e\[./, '').chomp) +      end +      logh.call +    end +  } +  bt = proc { |cmd, name, type, cleanup| +    tried = timeout = 0 +    begin +      tried += 1 +      timeout += limit +      fd = nil +      data = '' +      if iswin +        Timeout::timeout(timeout) do +          tmp = VIM::evaluate('tempname()') +          system("(#{cmd}) > #{tmp}") +          data = File.read(tmp).chomp +          File.unlink tmp rescue nil +        end +      else +        fd = IO.popen(cmd).extend(PlugStream) +        first_line = true +        log_prob = 1.0 / nthr +        while line = Timeout::timeout(timeout) { fd.get_line } +          data << line +          log.call name, line.chomp, type if name && (first_line || rand < log_prob) +          first_line = false +        end +        fd.close +      end +      [$? == 0, data.chomp] +    rescue Timeout::Error, Interrupt => e +      if fd && !fd.closed? +        killall fd.pid +        fd.close +      end +      cleanup.call if cleanup +      if e.is_a?(Timeout::Error) && tried < tries +        3.downto(1) do |countdown| +          s = countdown > 1 ? 's' : '' +          log.call name, "Timeout. Will retry in #{countdown} second#{s} ...", type +          sleep 1 +        end +        log.call name, 'Retrying ...', type +        retry +      end +      [false, e.is_a?(Interrupt) ? "Interrupted!" : "Timeout!"] +    end +  } +  main = Thread.current +  threads = [] +  watcher = Thread.new { +    if vim7 +      while VIM::evaluate('getchar(1)') +        sleep 0.1 +      end +    else +      require 'io/console' # >= Ruby 1.9 +      nil until IO.console.getch == 3.chr +    end +    mtx.synchronize do +      running = false +      threads.each { |t| t.raise Interrupt } unless vim7 +    end +    threads.each { |t| t.join rescue nil } +    main.kill +  } +  refresh = Thread.new { +    while true +      mtx.synchronize do +        break unless running +        VIM::command('noautocmd normal! a') +      end +      sleep 0.2 +    end +  } if VIM::evaluate('s:mac_gui') == 1 + +  clone_opt = VIM::evaluate('s:clone_opt').join(' ') +  progress = VIM::evaluate('s:progress_opt(1)') +  nthr.times do +    mtx.synchronize do +      threads << Thread.new { +        while pair = take1.call +          name = pair.first +          dir, uri, tag = pair.last.values_at *%w[dir uri tag] +          exists = File.directory? dir +          ok, result = +            if exists +              chdir = "#{cd} #{iswin ? dir : esc(dir)}" +              ret, data = bt.call "#{chdir} && git rev-parse --abbrev-ref HEAD 2>&1 && git config -f .git/config remote.origin.url", nil, nil, nil +              current_uri = data.lines.to_a.last +              if !ret +                if data =~ /^Interrupted|^Timeout/ +                  [false, data] +                else +                  [false, [data.chomp, "PlugClean required."].join($/)] +                end +              elsif !compare_git_uri(current_uri, uri) +                [false, ["Invalid URI: #{current_uri}", +                         "Expected:    #{uri}", +                         "PlugClean required."].join($/)] +              else +                if pull +                  log.call name, 'Updating ...', :update +                  fetch_opt = (tag && File.exist?(File.join(dir, '.git/shallow'))) ? '--depth 99999999' : '' +                  bt.call "#{chdir} && git fetch #{fetch_opt} #{progress} 2>&1", name, :update, nil +                else +                  [true, skip] +                end +              end +            else +              d = esc dir.sub(%r{[\\/]+$}, '') +              log.call name, 'Installing ...', :install +              bt.call "git clone #{clone_opt unless tag} #{progress} #{uri} #{d} 2>&1", name, :install, proc { +                FileUtils.rm_rf dir +              } +            end +          mtx.synchronize { VIM::command("let s:update.new['#{name}'] = 1") } if !exists && ok +          log.call name, result, ok +        end +      } if running +    end +  end +  threads.each { |t| t.join rescue nil } +  logh.call +  refresh.kill if refresh +  watcher.kill +EOF +endfunction + +function! s:shellesc_cmd(arg, script) +  let escaped = substitute('"'.a:arg.'"', '[&|<>()@^!"]', '^&', 'g') +  return substitute(escaped, '%', (a:script ? '%' : '^') . '&', 'g') +endfunction + +function! s:shellesc_ps1(arg) +  return "'".substitute(escape(a:arg, '\"'), "'", "''", 'g')."'" +endfunction + +function! s:shellesc_sh(arg) +  return "'".substitute(a:arg, "'", "'\\\\''", 'g')."'" +endfunction + +" Escape the shell argument based on the shell. +" Vim and Neovim's shellescape() are insufficient. +" 1. shellslash determines whether to use single/double quotes. +"    Double-quote escaping is fragile for cmd.exe. +" 2. It does not work for powershell. +" 3. It does not work for *sh shells if the command is executed +"    via cmd.exe (ie. cmd.exe /c sh -c command command_args) +" 4. It does not support batchfile syntax. +" +" Accepts an optional dictionary with the following keys: +" - shell: same as Vim/Neovim 'shell' option. +"          If unset, fallback to 'cmd.exe' on Windows or 'sh'. +" - script: If truthy and shell is cmd.exe, escape for batchfile syntax. +function! plug#shellescape(arg, ...) +  if a:arg =~# '^[A-Za-z0-9_/:.-]\+$' +    return a:arg +  endif +  let opts = a:0 > 0 && type(a:1) == s:TYPE.dict ? a:1 : {} +  let shell = get(opts, 'shell', s:is_win ? 'cmd.exe' : 'sh') +  let script = get(opts, 'script', 1) +  if shell =~# 'cmd\(\.exe\)\?$' +    return s:shellesc_cmd(a:arg, script) +  elseif s:is_powershell(shell) +    return s:shellesc_ps1(a:arg) +  endif +  return s:shellesc_sh(a:arg) +endfunction + +function! s:glob_dir(path) +  return map(filter(s:glob(a:path, '**'), 'isdirectory(v:val)'), 's:dirpath(v:val)') +endfunction + +function! s:progress_bar(line, bar, total) +  call setline(a:line, '[' . s:lpad(a:bar, a:total) . ']') +endfunction + +function! s:compare_git_uri(a, b) +  " See `git help clone' +  " https:// [user@] github.com[:port] / junegunn/vim-plug [.git] +  "          [git@]  github.com[:port] : junegunn/vim-plug [.git] +  " file://                            / junegunn/vim-plug        [/] +  "                                    / junegunn/vim-plug        [/] +  let pat = '^\%(\w\+://\)\='.'\%([^@/]*@\)\='.'\([^:/]*\%(:[0-9]*\)\=\)'.'[:/]'.'\(.\{-}\)'.'\%(\.git\)\=/\?$' +  let ma = matchlist(a:a, pat) +  let mb = matchlist(a:b, pat) +  return ma[1:2] ==# mb[1:2] +endfunction + +function! s:format_message(bullet, name, message) +  if a:bullet != 'x' +    return [printf('%s %s: %s', a:bullet, a:name, s:lastline(a:message))] +  else +    let lines = map(s:lines(a:message), '"    ".v:val') +    return extend([printf('x %s:', a:name)], lines) +  endif +endfunction + +function! s:with_cd(cmd, dir, ...) +  let script = a:0 > 0 ? a:1 : 1 +  return printf('cd%s %s && %s', s:is_win ? ' /d' : '', plug#shellescape(a:dir, {'script': script}), a:cmd) +endfunction + +function! s:system(cmd, ...) +  let batchfile = '' +  try +    let [sh, shellcmdflag, shrd] = s:chsh(1) +    if type(a:cmd) == s:TYPE.list +      " Neovim's system() supports list argument to bypass the shell +      " but it cannot set the working directory for the command. +      " Assume that the command does not rely on the shell. +      if has('nvim') && a:0 == 0 +        return system(a:cmd) +      endif +      let cmd = join(map(copy(a:cmd), 'plug#shellescape(v:val, {"shell": &shell, "script": 0})')) +      if s:is_powershell(&shell) +        let cmd = '& ' . cmd +      endif +    else +      let cmd = a:cmd +    endif +    if a:0 > 0 +      let cmd = s:with_cd(cmd, a:1, type(a:cmd) != s:TYPE.list) +    endif +    if s:is_win && type(a:cmd) != s:TYPE.list +      let [batchfile, cmd] = s:batchfile(cmd) +    endif +    return system(cmd) +  finally +    let [&shell, &shellcmdflag, &shellredir] = [sh, shellcmdflag, shrd] +    if s:is_win && filereadable(batchfile) +      call delete(batchfile) +    endif +  endtry +endfunction + +function! s:system_chomp(...) +  let ret = call('s:system', a:000) +  return v:shell_error ? '' : substitute(ret, '\n$', '', '') +endfunction + +function! s:git_validate(spec, check_branch) +  let err = '' +  if isdirectory(a:spec.dir) +    let result = [s:git_local_branch(a:spec.dir), s:git_origin_url(a:spec.dir)] +    let remote = result[-1] +    if empty(remote) +      let err = join([remote, 'PlugClean required.'], "\n") +    elseif !s:compare_git_uri(remote, a:spec.uri) +      let err = join(['Invalid URI: '.remote, +                    \ 'Expected:    '.a:spec.uri, +                    \ 'PlugClean required.'], "\n") +    elseif a:check_branch && has_key(a:spec, 'commit') +      let sha = s:git_revision(a:spec.dir) +      if empty(sha) +        let err = join(add(result, 'PlugClean required.'), "\n") +      elseif !s:hash_match(sha, a:spec.commit) +        let err = join([printf('Invalid HEAD (expected: %s, actual: %s)', +                              \ a:spec.commit[:6], sha[:6]), +                      \ 'PlugUpdate required.'], "\n") +      endif +    elseif a:check_branch +      let current_branch = result[0] +      " Check tag +      let origin_branch = s:git_origin_branch(a:spec) +      if has_key(a:spec, 'tag') +        let tag = s:system_chomp('git describe --exact-match --tags HEAD 2>&1', a:spec.dir) +        if a:spec.tag !=# tag && a:spec.tag !~ '\*' +          let err = printf('Invalid tag: %s (expected: %s). Try PlugUpdate.', +                \ (empty(tag) ? 'N/A' : tag), a:spec.tag) +        endif +      " Check branch +      elseif origin_branch !=# current_branch +        let err = printf('Invalid branch: %s (expected: %s). Try PlugUpdate.', +              \ current_branch, origin_branch) +      endif +      if empty(err) +        let [ahead, behind] = split(s:lastline(s:system([ +        \ 'git', 'rev-list', '--count', '--left-right', +        \ printf('HEAD...origin/%s', origin_branch) +        \ ], a:spec.dir)), '\t') +        if !v:shell_error && ahead +          if behind +            " Only mention PlugClean if diverged, otherwise it's likely to be +            " pushable (and probably not that messed up). +            let err = printf( +                  \ "Diverged from origin/%s (%d commit(s) ahead and %d commit(s) behind!\n" +                  \ .'Backup local changes and run PlugClean and PlugUpdate to reinstall it.', origin_branch, ahead, behind) +          else +            let err = printf("Ahead of origin/%s by %d commit(s).\n" +                  \ .'Cannot update until local changes are pushed.', +                  \ origin_branch, ahead) +          endif +        endif +      endif +    endif +  else +    let err = 'Not found' +  endif +  return [err, err =~# 'PlugClean'] +endfunction + +function! s:rm_rf(dir) +  if isdirectory(a:dir) +    return s:system(s:is_win +    \ ? 'rmdir /S /Q '.plug#shellescape(a:dir) +    \ : ['rm', '-rf', a:dir]) +  endif +endfunction + +function! s:clean(force) +  call s:prepare() +  call append(0, 'Searching for invalid plugins in '.g:plug_home) +  call append(1, '') + +  " List of valid directories +  let dirs = [] +  let errs = {} +  let [cnt, total] = [0, len(g:plugs)] +  for [name, spec] in items(g:plugs) +    if !s:is_managed(name) +      call add(dirs, spec.dir) +    else +      let [err, clean] = s:git_validate(spec, 1) +      if clean +        let errs[spec.dir] = s:lines(err)[0] +      else +        call add(dirs, spec.dir) +      endif +    endif +    let cnt += 1 +    call s:progress_bar(2, repeat('=', cnt), total) +    normal! 2G +    redraw +  endfor + +  let allowed = {} +  for dir in dirs +    let allowed[s:dirpath(s:plug_fnamemodify(dir, ':h:h'))] = 1 +    let allowed[dir] = 1 +    for child in s:glob_dir(dir) +      let allowed[child] = 1 +    endfor +  endfor + +  let todo = [] +  let found = sort(s:glob_dir(g:plug_home)) +  while !empty(found) +    let f = remove(found, 0) +    if !has_key(allowed, f) && isdirectory(f) +      call add(todo, f) +      call append(line('$'), '- ' . f) +      if has_key(errs, f) +        call append(line('$'), '    ' . errs[f]) +      endif +      let found = filter(found, 'stridx(v:val, f) != 0') +    end +  endwhile + +  4 +  redraw +  if empty(todo) +    call append(line('$'), 'Already clean.') +  else +    let s:clean_count = 0 +    call append(3, ['Directories to delete:', '']) +    redraw! +    if a:force || s:ask_no_interrupt('Delete all directories?') +      call s:delete([6, line('$')], 1) +    else +      call setline(4, 'Cancelled.') +      nnoremap <silent> <buffer> d :set opfunc=<sid>delete_op<cr>g@ +      nmap     <silent> <buffer> dd d_ +      xnoremap <silent> <buffer> d :<c-u>call <sid>delete_op(visualmode(), 1)<cr> +      echo 'Delete the lines (d{motion}) to delete the corresponding directories' +    endif +  endif +  4 +  setlocal nomodifiable +endfunction + +function! s:delete_op(type, ...) +  call s:delete(a:0 ? [line("'<"), line("'>")] : [line("'["), line("']")], 0) +endfunction + +function! s:delete(range, force) +  let [l1, l2] = a:range +  let force = a:force +  let err_count = 0 +  while l1 <= l2 +    let line = getline(l1) +    if line =~ '^- ' && isdirectory(line[2:]) +      execute l1 +      redraw! +      let answer = force ? 1 : s:ask('Delete '.line[2:].'?', 1) +      let force = force || answer > 1 +      if answer +        let err = s:rm_rf(line[2:]) +        setlocal modifiable +        if empty(err) +          call setline(l1, '~'.line[1:]) +          let s:clean_count += 1 +        else +          delete _ +          call append(l1 - 1, s:format_message('x', line[1:], err)) +          let l2 += len(s:lines(err)) +          let err_count += 1 +        endif +        let msg = printf('Removed %d directories.', s:clean_count) +        if err_count > 0 +          let msg .= printf(' Failed to remove %d directories.', err_count) +        endif +        call setline(4, msg) +        setlocal nomodifiable +      endif +    endif +    let l1 += 1 +  endwhile +endfunction + +function! s:upgrade() +  echo 'Downloading the latest version of vim-plug' +  redraw +  let tmp = s:plug_tempname() +  let new = tmp . '/plug.vim' + +  try +    let out = s:system(['git', 'clone', '--depth', '1', s:plug_src, tmp]) +    if v:shell_error +      return s:err('Error upgrading vim-plug: '. out) +    endif + +    if readfile(s:me) ==# readfile(new) +      echo 'vim-plug is already up-to-date' +      return 0 +    else +      call rename(s:me, s:me . '.old') +      call rename(new, s:me) +      unlet g:loaded_plug +      echo 'vim-plug has been upgraded' +      return 1 +    endif +  finally +    silent! call s:rm_rf(tmp) +  endtry +endfunction + +function! s:upgrade_specs() +  for spec in values(g:plugs) +    let spec.frozen = get(spec, 'frozen', 0) +  endfor +endfunction + +function! s:status() +  call s:prepare() +  call append(0, 'Checking plugins') +  call append(1, '') + +  let ecnt = 0 +  let unloaded = 0 +  let [cnt, total] = [0, len(g:plugs)] +  for [name, spec] in items(g:plugs) +    let is_dir = isdirectory(spec.dir) +    if has_key(spec, 'uri') +      if is_dir +        let [err, _] = s:git_validate(spec, 1) +        let [valid, msg] = [empty(err), empty(err) ? 'OK' : err] +      else +        let [valid, msg] = [0, 'Not found. Try PlugInstall.'] +      endif +    else +      if is_dir +        let [valid, msg] = [1, 'OK'] +      else +        let [valid, msg] = [0, 'Not found.'] +      endif +    endif +    let cnt += 1 +    let ecnt += !valid +    " `s:loaded` entry can be missing if PlugUpgraded +    if is_dir && get(s:loaded, name, -1) == 0 +      let unloaded = 1 +      let msg .= ' (not loaded)' +    endif +    call s:progress_bar(2, repeat('=', cnt), total) +    call append(3, s:format_message(valid ? '-' : 'x', name, msg)) +    normal! 2G +    redraw +  endfor +  call setline(1, 'Finished. '.ecnt.' error(s).') +  normal! gg +  setlocal nomodifiable +  if unloaded +    echo "Press 'L' on each line to load plugin, or 'U' to update" +    nnoremap <silent> <buffer> L :call <SID>status_load(line('.'))<cr> +    xnoremap <silent> <buffer> L :call <SID>status_load(line('.'))<cr> +  end +endfunction + +function! s:extract_name(str, prefix, suffix) +  return matchstr(a:str, '^'.a:prefix.' \zs[^:]\+\ze:.*'.a:suffix.'$') +endfunction + +function! s:status_load(lnum) +  let line = getline(a:lnum) +  let name = s:extract_name(line, '-', '(not loaded)') +  if !empty(name) +    call plug#load(name) +    setlocal modifiable +    call setline(a:lnum, substitute(line, ' (not loaded)$', '', '')) +    setlocal nomodifiable +  endif +endfunction + +function! s:status_update() range +  let lines = getline(a:firstline, a:lastline) +  let names = filter(map(lines, 's:extract_name(v:val, "[x-]", "")'), '!empty(v:val)') +  if !empty(names) +    echo +    execute 'PlugUpdate' join(names) +  endif +endfunction + +function! s:is_preview_window_open() +  silent! wincmd P +  if &previewwindow +    wincmd p +    return 1 +  endif +endfunction + +function! s:find_name(lnum) +  for lnum in reverse(range(1, a:lnum)) +    let line = getline(lnum) +    if empty(line) +      return '' +    endif +    let name = s:extract_name(line, '-', '') +    if !empty(name) +      return name +    endif +  endfor +  return '' +endfunction + +function! s:preview_commit() +  if b:plug_preview < 0 +    let b:plug_preview = !s:is_preview_window_open() +  endif + +  let sha = matchstr(getline('.'), '^  \X*\zs[0-9a-f]\{7,9}') +  if empty(sha) +    let name = matchstr(getline('.'), '^- \zs[^:]*\ze:$') +    if empty(name) +      return +    endif +    let title = 'HEAD@{1}..' +    let command = 'git diff --no-color HEAD@{1}' +  else +    let title = sha +    let command = 'git show --no-color --pretty=medium '.sha +    let name = s:find_name(line('.')) +  endif + +  if empty(name) || !has_key(g:plugs, name) || !isdirectory(g:plugs[name].dir) +    return +  endif + +  if exists('g:plug_pwindow') && !s:is_preview_window_open() +    execute g:plug_pwindow +    execute 'e' title +  else +    execute 'pedit' title +    wincmd P +  endif +  setlocal previewwindow filetype=git buftype=nofile bufhidden=wipe nobuflisted modifiable +  let batchfile = '' +  try +    let [sh, shellcmdflag, shrd] = s:chsh(1) +    let cmd = 'cd '.plug#shellescape(g:plugs[name].dir).' && '.command +    if s:is_win +      let [batchfile, cmd] = s:batchfile(cmd) +    endif +    execute 'silent %!' cmd +  finally +    let [&shell, &shellcmdflag, &shellredir] = [sh, shellcmdflag, shrd] +    if s:is_win && filereadable(batchfile) +      call delete(batchfile) +    endif +  endtry +  setlocal nomodifiable +  nnoremap <silent> <buffer> q :q<cr> +  wincmd p +endfunction + +function! s:section(flags) +  call search('\(^[x-] \)\@<=[^:]\+:', a:flags) +endfunction + +function! s:format_git_log(line) +  let indent = '  ' +  let tokens = split(a:line, nr2char(1)) +  if len(tokens) != 5 +    return indent.substitute(a:line, '\s*$', '', '') +  endif +  let [graph, sha, refs, subject, date] = tokens +  let tag = matchstr(refs, 'tag: [^,)]\+') +  let tag = empty(tag) ? ' ' : ' ('.tag.') ' +  return printf('%s%s%s%s%s (%s)', indent, graph, sha, tag, subject, date) +endfunction + +function! s:append_ul(lnum, text) +  call append(a:lnum, ['', a:text, repeat('-', len(a:text))]) +endfunction + +function! s:diff() +  call s:prepare() +  call append(0, ['Collecting changes ...', '']) +  let cnts = [0, 0] +  let bar = '' +  let total = filter(copy(g:plugs), 's:is_managed(v:key) && isdirectory(v:val.dir)') +  call s:progress_bar(2, bar, len(total)) +  for origin in [1, 0] +    let plugs = reverse(sort(items(filter(copy(total), (origin ? '' : '!').'(has_key(v:val, "commit") || has_key(v:val, "tag"))')))) +    if empty(plugs) +      continue +    endif +    call s:append_ul(2, origin ? 'Pending updates:' : 'Last update:') +    for [k, v] in plugs +      let branch = s:git_origin_branch(v) +      if len(branch) +        let range = origin ? '..origin/'.branch : 'HEAD@{1}..' +        let cmd = ['git', 'log', '--graph', '--color=never'] +        if s:git_version_requirement(2, 10, 0) +          call add(cmd, '--no-show-signature') +        endif +        call extend(cmd, ['--pretty=format:%x01%h%x01%d%x01%s%x01%cr', range]) +        if has_key(v, 'rtp') +          call extend(cmd, ['--', v.rtp]) +        endif +        let diff = s:system_chomp(cmd, v.dir) +        if !empty(diff) +          let ref = has_key(v, 'tag') ? (' (tag: '.v.tag.')') : has_key(v, 'commit') ? (' '.v.commit) : '' +          call append(5, extend(['', '- '.k.':'.ref], map(s:lines(diff), 's:format_git_log(v:val)'))) +          let cnts[origin] += 1 +        endif +      endif +      let bar .= '=' +      call s:progress_bar(2, bar, len(total)) +      normal! 2G +      redraw +    endfor +    if !cnts[origin] +      call append(5, ['', 'N/A']) +    endif +  endfor +  call setline(1, printf('%d plugin(s) updated.', cnts[0]) +        \ . (cnts[1] ? printf(' %d plugin(s) have pending updates.', cnts[1]) : '')) + +  if cnts[0] || cnts[1] +    nnoremap <silent> <buffer> <plug>(plug-preview) :silent! call <SID>preview_commit()<cr> +    if empty(maparg("\<cr>", 'n')) +      nmap <buffer> <cr> <plug>(plug-preview) +    endif +    if empty(maparg('o', 'n')) +      nmap <buffer> o <plug>(plug-preview) +    endif +  endif +  if cnts[0] +    nnoremap <silent> <buffer> X :call <SID>revert()<cr> +    echo "Press 'X' on each block to revert the update" +  endif +  normal! gg +  setlocal nomodifiable +endfunction + +function! s:revert() +  if search('^Pending updates', 'bnW') +    return +  endif + +  let name = s:find_name(line('.')) +  if empty(name) || !has_key(g:plugs, name) || +    \ input(printf('Revert the update of %s? (y/N) ', name)) !~? '^y' +    return +  endif + +  call s:system('git reset --hard HEAD@{1} && git checkout '.plug#shellescape(g:plugs[name].branch).' --', g:plugs[name].dir) +  setlocal modifiable +  normal! "_dap +  setlocal nomodifiable +  echo 'Reverted' +endfunction + +function! s:snapshot(force, ...) abort +  call s:prepare() +  setf vim +  call append(0, ['" Generated by vim-plug', +                \ '" '.strftime("%c"), +                \ '" :source this file in vim to restore the snapshot', +                \ '" or execute: vim -S snapshot.vim', +                \ '', '', 'PlugUpdate!']) +  1 +  let anchor = line('$') - 3 +  let names = sort(keys(filter(copy(g:plugs), +        \'has_key(v:val, "uri") && isdirectory(v:val.dir)'))) +  for name in reverse(names) +    let sha = has_key(g:plugs[name], 'commit') ? g:plugs[name].commit : s:git_revision(g:plugs[name].dir) +    if !empty(sha) +      call append(anchor, printf("silent! let g:plugs['%s'].commit = '%s'", name, sha)) +      redraw +    endif +  endfor + +  if a:0 > 0 +    let fn = s:plug_expand(a:1) +    if filereadable(fn) && !(a:force || s:ask(a:1.' already exists. Overwrite?')) +      return +    endif +    call writefile(getline(1, '$'), fn) +    echo 'Saved as '.a:1 +    silent execute 'e' s:esc(fn) +    setf vim +  endif +endfunction + +function! s:split_rtp() +  return split(&rtp, '\\\@<!,') +endfunction + +let s:first_rtp = s:escrtp(get(s:split_rtp(), 0, '')) +let s:last_rtp  = s:escrtp(get(s:split_rtp(), -1, '')) + +if exists('g:plugs') +  let g:plugs_order = get(g:, 'plugs_order', keys(g:plugs)) +  call s:upgrade_specs() +  call s:define_commands() +endif + +let &cpo = s:cpo_save +unlet s:cpo_save | 
