Deferred loading on autocmd (#event[#pattern])

e.g.
    Plug 'SirVer/ultisnips',  { 'on': '#InsertEnter' }
    Plug 'junegunn/goyo.vim', { 'on': ['Goyo', '#BufEnter#README'] }

.travis.yml

@@ -1,12 +1,12 @@
 language: ruby
-sudo: false
+sudo: required
 env:
   global:
     - DEPS=$HOME/deps
     - PATH=$DEPS/bin:$PATH
 matrix:
   include:
-    - env: ENV=nox
+    - env: ENV=vim72
       rvm: 1.8.7
       addons: { apt: { packages: [vim-nox] } }
     - env: ENV=python
@@ -15,18 +15,29 @@ matrix:
     - env: ENV=python3
       rvm: 1.8.7
       addons: { apt: { packages: [python3-dev] } }
-    - env: ENV=ruby
+    - env: ENV=ruby18
       rvm: 1.8.7
-    - env: ENV=ruby
+    - env: ENV=ruby20
       rvm: 2.0.0
+    - env: ENV=neovim
+    - env: ENV=vim8
 install: |
   git config --global user.email "you@example.com"
   git config --global user.name "Your Name"
 
-  if [ "$ENV" == "nox" ]; then
+  if [ "$ENV" == "vim72" ]; then
     mkdir -p ${DEPS}/bin
     ln -s /usr/bin/vim.nox ${DEPS}/bin/vim
     return
+  elif [ "$ENV" == "neovim" ]; then
+    # https://github.com/neovim/neovim/wiki/Installing-Neovim
+    sudo apt-get install -y software-properties-common
+    sudo add-apt-repository -y ppa:neovim-ppa/unstable
+    sudo apt-get update -y
+    sudo apt-get install -y neovim
+    mkdir -p ${DEPS}/bin
+    ln -s /usr/bin/nvim ${DEPS}/bin/vim
+    return
   fi
 
   C_OPTS="--prefix=$DEPS --with-features=huge --disable-gui "
@@ -37,7 +48,7 @@ install: |
     python3)
       C_OPTS+=--enable-python3interp
       ;;
-    ruby)
+    ruby*)
       C_OPTS+=--enable-rubyinterp
       ;;
   esac

README.md

@@ -10,7 +10,7 @@ A minimalist Vim plugin manager.
 - Easier to setup: Single file. No boilerplate code required.
 - Easier to use: Concise, intuitive syntax
 - [Super-fast][40/4] parallel installation/update
-  (with any of `+python`, `+python3`, `+ruby`, or [Neovim][nv])
+  (with any of `+job`, `+python`, `+python3`, `+ruby`, or [Neovim][nv])
 - Creates shallow clones to minimize disk space usage and download time
 - On-demand loading for [faster startup time][startup-time]
 - Can review and rollback updates
@@ -62,9 +62,9 @@ $uri = 'https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
 
 Add a vim-plug section to your `~/.vimrc` (or `~/.config/nvim/init.vim` for Neovim):
 
-1. Begin the section with `plug#begin()`
+1. Begin the section with `call plug#begin()`
 1. List the plugins with `Plug` commands
-1. `plug#end()` to update `&runtimepath` and initialize plugin system
+1. `call plug#end()` to update `&runtimepath` and initialize plugin system
 
 #### Example
 
@@ -121,16 +121,16 @@ 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        |
+| 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, `<Plug>`-mappings, or #autocmds |
+| `for`                   | On-demand loading: File types                                |
+| `frozen`                | Do not update unless explicitly specified                    |
 
 ### Global options
 
@@ -141,6 +141,7 @@ Reload .vimrc and `:PlugInstall` to install plugins.
 | `g:plug_retries`    | 2                                 | Number of retries in case of timeout (*Ruby & Python*) |
 | `g:plug_shallow`    | 1                                 | Use shallow clone                                      |
 | `g:plug_window`     | `vertical topleft new`            | Command to open plug window                            |
+| `g:plug_pwindow`    | `above 12new`                     | Command to open preview window in `PlugDiff`           |
 | `g:plug_url_format` | `https://git::@github.com/%s.git` | `printf` format to build repo URL (Only applies to the subsequent `Plug` commands) |
 
 
@@ -179,12 +180,15 @@ Plug 'tpope/vim-fireplace', { 'for': 'clojure' }
 " Multiple file types
 Plug 'kovisoft/paredit', { 'for': ['clojure', 'scheme'] }
 
+" On autocmd
+Plug 'SirVer/ultisnips', { 'on': '#InsertEnter' }
+
 " On-demand loading on both conditions
 Plug 'junegunn/vader.vim',  { 'on': 'Vader', 'for': 'vader' }
 
-" Code to execute when the plugin is loaded on demand
-Plug 'Valloric/YouCompleteMe', { 'for': 'cpp' }
-autocmd! User YouCompleteMe if !has('vim_starting') | call youcompleteme#Enable() | endif
+" Code to execute when the plugin is lazily loaded on demand
+Plug 'junegunn/goyo.vim', { 'for': 'markdown' }
+autocmd! User goyo.vim echom 'Goyo is now loaded!'
 ```
 
 `for` option is generally not needed as most plugins for specific file types
@@ -201,6 +205,12 @@ Plug 'Shougo/vimproc.vim', { 'do': 'make' }
 Plug 'Valloric/YouCompleteMe', { 'do': './install.py' }
 ```
 
+If the value starts with `:`, it will be recognized as a Vim command.
+
+```vim
+Plug 'fatih/vim-go', { 'do': ':GoInstallBinaries' }
+```
+
 If you need more control, you can pass a reference to a Vim function that
 takes a single argument.
 

plug.vim

@@ -98,6 +98,7 @@ 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') || has('win64')
 let s:nvim = has('nvim') && exists('*jobwait') && !s:is_win
+let s:vim8 = has('patch-8.0.0039') && exists('*job_start')
 let s:me = resolve(expand('<sfile>:p'))
 let s:base_spec = { 'branch': 'master', 'frozen': 0 }
 let s:TYPE = {
@@ -131,7 +132,7 @@ function! plug#begin(...)
 endfunction
 
 function! s:define_commands()
-  command! -nargs=+ -bar Plug call s:Plug(<args>)
+  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
@@ -171,14 +172,22 @@ function! s:assoc(dict, key, val)
   let a:dict[a:key] = add(get(a:dict, a:key, []), a:val)
 endfunction
 
-function! s:ask(message)
+function! s:ask(message, ...)
   call inputsave()
   echohl WarningMsg
-  let proceed = input(a:message.' (y/N) ') =~? '^y'
+  let answer = input(a:message.(a:0 ? ' (y/N/a) ' : ' (y/N) '))
   echohl None
   call inputrestore()
   echo "\r"
-  return proceed
+  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! plug#end()
@@ -194,8 +203,13 @@ function! plug#end()
   endif
   let lod = { 'ft': {}, 'map': {}, 'cmd': {} }
 
-  filetype off
+  if exists('g:did_load_filetypes')
+    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) || !has_key(plug, 'on') && !has_key(plug, 'for')
       let s:loaded[name] = 1
@@ -215,9 +229,16 @@ function! plug#end()
             call s:assoc(lod.cmd, cmd, name)
           endif
           call add(s:triggers[name].cmd, cmd)
+        elseif cmd[0] == '#' && exists('##'.split(cmd, '#')[0])
+          let tokens = split(cmd, '#')
+          let group = 'Plug/'.name
+          execute 'augroup' group
+          autocmd!
+          execute 'autocmd' tokens[0] get(tokens, 1, '*') printf('call s:lod_autocmd(%s)', string(name))
+          execute 'augroup END'
         else
           call s:err('Invalid `on` option: '.cmd.
-          \ '. Should start with an uppercase letter or `<Plug>`.')
+          \ '. Should start with an uppercase letter, `<Plug>`, or `#`.')
         endif
       endfor
     endif
@@ -245,8 +266,8 @@ function! plug#end()
     for [mode, map_prefix, key_prefix] in
           \ [['i', '<C-O>', ''], ['n', '', ''], ['v', '', 'gv'], ['o', '', '']]
       execute printf(
-      \ '%snoremap <silent> %s %s:<C-U>call <SID>lod_map(%s, %s, "%s")<CR>',
-      \ mode, map, map_prefix, string(map), string(names), key_prefix)
+      \ '%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
 
@@ -264,7 +285,7 @@ function! plug#end()
       syntax enable
     end
   else
-    call s:reload()
+    call s:reload_plugins()
   endif
 endfunction
 
@@ -272,9 +293,13 @@ function! s:loaded_names()
   return filter(copy(g:plugs_order), 'get(s:loaded, v:val, 0)')
 endfunction
 
-function! s:reload()
+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:source(s:rtp(g:plugs[name]), 'plugin/**/*.vim', 'after/plugin/**/*.vim')
+    call s:load_plugin(g:plugs[name])
   endfor
 endfunction
 
@@ -383,7 +408,7 @@ function! s:reorg_rtp()
 
   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")'), 'isdirectory(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, ",")'), ',')
@@ -397,7 +422,20 @@ function! s:reorg_rtp()
 endfunction
 
 function! s:doautocmd(...)
-  execute 'doautocmd' ((v:version > 703 || has('patch442')) ? '<nomodeline>' : '') join(a:000)
+  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']
+      if len(finddir(dir, path))
+        return s:doautocmd('BufRead')
+      endif
+    endfor
+  endfor
 endfunction
 
 function! plug#load(...)
@@ -412,12 +450,8 @@ function! plug#load(...)
     let s = len(unknowns) > 1 ? 's' : ''
     return s:err(printf('Unknown plugin%s: %s', s, join(unknowns, ', ')))
   end
-  for name in a:000
-    call s:lod([name], ['ftdetect', 'after/ftdetect', 'plugin', 'after/plugin'])
-  endfor
-  if exists('#BufRead')
-    doautocmd BufRead
-  endif
+  call s:lod(a:000, ['ftdetect', 'after/ftdetect', 'plugin', 'after/plugin'])
+  call s:dobufread(a:000)
   return 1
 endfunction
 
@@ -453,9 +487,7 @@ function! s:lod(names, types, ...)
       endif
       call s:source(rtp, a:2)
     endif
-    if exists('#User#'.name)
-      call s:doautocmd('User', name)
-    endif
+    call s:doautocmd('User', name)
   endfor
 endfunction
 
@@ -463,21 +495,19 @@ 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
-  if exists('#filetypeplugin#FileType')
-    doautocmd filetypeplugin FileType
-  endif
-  if exists('#filetypeindent#FileType')
-    doautocmd filetypeindent FileType
-  endif
+  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, prefix)
+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)
@@ -486,10 +516,30 @@ function! s:lod_map(map, names, prefix)
     endif
     let extra .= nr2char(c)
   endwhile
-  call feedkeys(a:prefix . substitute(a:map, '^<Plug>', "\<Plug>", '') . extra)
+
+  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! s:Plug(repo, ...)
+function! s:lod_autocmd(name)
+  call s:lod([a:name], ['ftdetect', 'after/ftdetect', 'plugin', 'after/plugin'])
+  call s:dobufread([a:name])
+  let group = 'Plug/'.a:name
+  execute 'autocmd!' group
+  execute 'augroup!' group
+endfunction
+
+function! plug#(repo, ...)
   if a:0 > 1
     return s:err('Invalid number of arguments (1..2)')
   endif
@@ -539,8 +589,7 @@ function! s:infer_properties(name, repo)
       let fmt = get(g:, 'plug_url_format', 'https://git::@github.com/%s.git')
       let uri = printf(fmt, repo)
     endif
-    let dir = s:dirpath( fnamemodify(join([g:plug_home, a:name], '/'), ':p') )
-    return { 'dir': dir, 'uri': uri }
+    return { 'dir': s:dirpath(g:plug_home.'/'.a:name), 'uri': uri }
   endif
 endfunction
 
@@ -588,6 +637,7 @@ function! s:syntax()
   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 keyword Function PlugInstall PlugStatus PlugUpdate PlugClean
   hi def link plug1       Title
@@ -607,6 +657,7 @@ function! s:syntax()
   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
@@ -684,12 +735,22 @@ function! s:prepare(...)
     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()
-    normal q
+    if b:plug_preview == 1
+      pc
+    endif
+    enew
+  else
+    call s:new_window()
   endif
 
-  call s:new_window()
   nnoremap <silent> <buffer> q  :if b:plug_preview==1<bar>pc<bar>endif<bar>bd<cr>
   if a:0 == 0
     call s:finish_bindings()
@@ -699,11 +760,10 @@ function! s:prepare(...)
   let s:plug_buf = winbufnr(0)
   call s:assign_name()
 
-  silent! unmap <buffer> <cr>
-  silent! unmap <buffer> L
-  silent! unmap <buffer> o
-  silent! unmap <buffer> X
-  setlocal buftype=nofile bufhidden=wipe nobuflisted noswapfile nowrap cursorline modifiable
+  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
   setf vim-plug
   if exists('g:syntax_on')
     call s:syntax()
@@ -722,15 +782,25 @@ function! s:assign_name()
   silent! execute 'f' fnameescape(name)
 endfunction
 
+function! s:chsh(swap)
+  let prev = [&shell, &shellredir]
+  if !s:is_win && a:swap
+    set shell=sh shellredir=>%s\ 2>&1
+  endif
+  return prev
+endfunction
+
 function! s:bang(cmd, ...)
   try
+    let [sh, 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 > 0 ? s:with_cd(a:cmd, a:1) : a:cmd
+    let cmd = a:0 ? s:with_cd(a:cmd, a:1) : a:cmd
     let g:_plug_bang = '!'.escape(cmd, '#!%')
     execute "normal! :execute g:_plug_bang\<cr>\<cr>"
   finally
     unlet g:_plug_bang
+    let [&shell, &shellredir] = [sh, shrd]
   endtry
   return v:shell_error ? 'Exit status: ' . v:shell_error : ''
 endfunction
@@ -758,7 +828,20 @@ function! s:do(pull, force, todo)
       let error = ''
       let type = type(spec.do)
       if type == s:TYPE.string
-        let error = s:bang(spec.do)
+        if spec.do[0] == ':'
+          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
           let status = installed ? 'installed' : (updated ? 'updated' : 'unchanged')
@@ -769,6 +852,7 @@ function! s:do(pull, force, todo)
       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)
@@ -836,13 +920,14 @@ function! s:names(...)
 endfunction
 
 function! s:check_ruby()
-  silent! ruby require 'thread'; VIM::command('let g:plug_ruby = 1')
-  if get(g:, 'plug_ruby', 0)
-    unlet g:plug_ruby
-    return 1
+  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
-  redraw!
-  return s:warn('echom', 'Warning: Ruby interface is broken')
+  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
@@ -880,8 +965,9 @@ function! s:update_impl(pull, force, args) abort
     call s:warn('echom', '[vim-plug] Update Neovim for parallel installer')
   endif
 
-  let python = (has('python') || has('python3')) && (!s:nvim || has('vim_starting'))
-  let ruby = has('ruby') && !s:nvim && (v:version >= 703 || v:version == 702 && has('patch374')) && !(s:is_win && has('gui_running')) && s:check_ruby()
+  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')) && s:check_ruby()
 
   let s:update = {
     \ 'start':   reltime(),
@@ -891,7 +977,7 @@ function! s:update_impl(pull, force, args) abort
     \ 'pull':    a:pull,
     \ 'force':   a:force,
     \ 'new':     {},
-    \ 'threads': (python || ruby || s:nvim) ? min([len(todo), threads]) : 1,
+    \ 'threads': (python || ruby || use_job) ? min([len(todo), threads]) : 1,
     \ 'bar':     '',
     \ 'fin':     0
   \ }
@@ -905,7 +991,7 @@ function! s:update_impl(pull, force, args) abort
         \ '--depth 1' . (s:git_version_requirement(1, 7, 10) ? ' --no-single-branch' : '') : ''
 
   " Python version requirement (>= 2.7)
-  if python && !has('python3') && !ruby && !s:nvim && s:update.threads > 1
+  if python && !has('python3') && !ruby && !use_job && s:update.threads > 1
     redir => pyv
     silent python import platform; print platform.python_version()
     redir END
@@ -946,6 +1032,12 @@ function! s:update_impl(pull, force, args) abort
     endtry
   else
     call s:update_vim()
+    while use_job && has('vim_starting')
+      sleep 100m
+      if s:update.fin
+        break
+      endif
+    endwhile
   endif
 endfunction
 
@@ -961,7 +1053,7 @@ function! s:update_finish()
   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)
+      let [pos, _] = s:logpos(name)
       if !pos
         continue
       endif
@@ -991,19 +1083,25 @@ function! s:update_finish()
         call s:log4(name, 'Updating submodules. This may take a while.')
         let out .= s:bang('git submodule update --init --recursive 2>&1', spec.dir)
       endif
-      let msg = printf('%s %s: %s', v:shell_error ? 'x': '-', name, s:lastline(out))
+      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()
-        execute pos 'd _'
+        silent execute pos 'd _'
         call append(4, msg) | 4
       elseif !empty(out)
-        call setline(pos, msg)
+        call setline(pos, msg[0])
       endif
       redraw
     endfor
-    4 d _
-    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")'))
+    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')
@@ -1011,12 +1109,16 @@ function! s:update_finish()
 endfunction
 
 function! s:job_abort()
-  if !s:nvim || !exists('s:jobs')
+  if (!s:nvim && !s:vim8) || !exists('s:jobs')
     return
   endif
 
   for [name, j] in items(s:jobs)
-    silent! call jobstop(j.jobid)
+    if s:nvim
+      silent! call jobstop(j.jobid)
+    elseif s:vim8
+      silent! call job_stop(j.jobid)
+    endif
     if j.new
       call s:system('rm -rf ' . s:shellesc(g:plugs[name].dir))
     endif
@@ -1024,59 +1126,88 @@ function! s:job_abort()
   let s:jobs = {}
 endfunction
 
-" When a:event == 'stdout', data = list of strings
-" When a:event == 'exit', data = returncode
-function! s:job_handler(job_id, data, event) abort
-  if !s:plug_window_exists() " plug window closed
-    return s:job_abort()
-  endif
+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
 
-  if a:event == 'stdout'
-    let complete = empty(a:data[-1])
-    let lines = map(filter(a:data, 'len(v:val) > 0'), 'split(v:val, "[\r\n]")[-1]')
-    call extend(self.lines, lines)
-    let self.result = join(self.lines, "\n")
-    if !complete
-      call remove(self.lines, -1)
-    endif
-    " To reduce the number of buffer updates
-    let self.tick = get(self, 'tick', -1) + 1
-    if self.tick % len(s:jobs) == 0
-      call s:log(self.new ? '+' : '*', self.name, self.result)
-    endif
-  elseif a:event == 'exit'
-    let self.running = 0
-    if a:data != 0
-      let self.error = 1
-    endif
-    call s:reap(self.name)
-    call s:tick()
+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) abort
+  return a:event == 'stdout' ?
+    \ 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': [], 'result': '',
-            \ 'new': get(a:opts, 'new', 0),
-            \ 'on_stdout': function('s:job_handler'),
-            \ 'on_exit' : function('s:job_handler'),
-            \ }
+  let job = { 'name': a:name, 'running': 1, 'error': 0, 'lines': [''],
+            \ 'new': get(a:opts, 'new', 0) }
   let s:jobs[a:name] = job
+  let argv = add(s:is_win ? ['cmd', '/c'] : ['sh', '-c'],
+               \ has_key(a:opts, 'dir') ? s:with_cd(a:cmd, a:opts.dir) : a:cmd)
 
   if s:nvim
-    let argv = [ 'sh', '-c',
-               \ (has_key(a:opts, 'dir') ? s:with_cd(a:cmd, a:opts.dir) : a:cmd) ]
+    call extend(job, {
+    \ 'on_stdout': function('s:nvim_cb'),
+    \ 'on_exit':   function('s:nvim_cb'),
+    \ })
     let jid = jobstart(argv, job)
     if jid > 0
       let job.jobid = jid
     else
       let job.running = 0
       let job.error   = 1
-      let job.result  = jid < 0 ? 'sh is not executable' :
-            \ 'Invalid arguments (or job table is full)'
+      let job.lines   = [jid < 0 ? argv[0].' is not executable' :
+            \ 'Invalid arguments (or job table is full)']
+    endif
+  elseif s:vim8
+    let jid = job_start(argv, {
+    \ 'out_cb':   function('s:job_cb', ['s:job_out_cb',  job]),
+    \ 'exit_cb':  function('s:job_cb', ['s:job_exit_cb', job]),
+    \ '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 params = has_key(a:opts, 'dir') ? [a:cmd, a:opts.dir] : [a:cmd]
-    let job.result = call('s:system', params)
+    let job.lines = s:lines(call('s:system', params))
     let job.error = v:shell_error != 0
     let job.running = 0
   endif
@@ -1091,7 +1222,9 @@ function! s:reap(name)
   endif
   let s:update.bar .= job.error ? 'x' : '='
 
-  call s:log(job.error ? 'x' : '-', a:name, empty(job.result) ? 'OK' : job.result)
+  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)
@@ -1110,23 +1243,31 @@ endfunction
 function! s:logpos(name)
   for i in range(4, line('$'))
     if getline(i) =~# '^[-+x*] '.a:name.':'
-      return i
+      for j in range(i + 1, line('$'))
+        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 pos = s:logpos(a:name)
-    if pos > 0
-      execute pos 'd _'
-      if pos > winheight('.')
-        let pos = 4
+    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 pos = 4
+      let b = 4
     endif
-    call append(pos - 1, s:format_message(a:bullet, a:name, a:lines))
+    " 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
@@ -1140,12 +1281,12 @@ endfunction
 
 function! s:tick()
   let pull = s:update.pull
-  let prog = s:progress_opt(s:nvim)
+  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
-      let s:update.fin = 1
       call s:update_finish()
+      let s:update.fin = 1
     endif
     return
   endif
@@ -1165,10 +1306,10 @@ while 1 " Without TCO, Vim stack is bound to explode
         let fetch_opt = (has_tag && !empty(globpath(spec.dir, '.git/shallow'))) ? '--depth 99999999' : ''
         call s:spawn(name, printf('git fetch %s %s 2>&1', fetch_opt, prog), { 'dir': spec.dir })
       else
-        let s:jobs[name] = { 'running': 0, 'result': 'Already installed', 'error': 0 }
+        let s:jobs[name] = { 'running': 0, 'lines': ['Already installed'], 'error': 0 }
       endif
     else
-      let s:jobs[name] = { 'running': 0, 'result': error, 'error': 1 }
+      let s:jobs[name] = { 'running': 0, 'lines': s:lines(error), 'error': 1 }
     endif
   else
     call s:spawn(name,
@@ -1454,10 +1595,12 @@ class Plugin(object):
     return result[-1]
 
   def update(self):
-    match = re.compile(r'git::?@')
-    actual_uri = re.sub(match, '', self.repo_uri())
-    expect_uri = re.sub(match, '', self.args['uri'])
-    if actual_uri != expect_uri:
+    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),
@@ -1616,6 +1759,11 @@ function! s:update_ruby()
     end
   end
 
+  def compare_git_uri a, b
+    regex = %r{^(?:\w+://)?(?:[^@/]*@)?([^:/]*(?::[0-9]*)?)[:/](.*?)(?:\.git)?/?$}
+    regex.match(a).to_a.drop(1) == regex.match(b).to_a.drop(1)
+  end
+
   require 'thread'
   require 'fileutils'
   require 'timeout'
@@ -1717,9 +1865,8 @@ function! s:update_ruby()
   main = Thread.current
   threads = []
   watcher = Thread.new {
-    while VIM::evaluate('getchar(1)')
-      sleep 0.1
-    end
+    require 'io/console' # >= Ruby 1.9
+    nil until IO.console.getch == 3.chr
     mtx.synchronize do
       running = false
       threads.each { |t| t.raise Interrupt }
@@ -1757,7 +1904,7 @@ function! s:update_ruby()
                 else
                   [false, [data.chomp, "PlugClean required."].join($/)]
                 end
-              elsif current_uri.sub(/git::?@/, '') != uri.sub(/git::?@/, '')
+              elsif !compare_git_uri(current_uri, uri)
                 [false, ["Invalid URI: #{current_uri}",
                          "Expected:    #{uri}",
                          "PlugClean required."].join($/)]
@@ -1803,9 +1950,15 @@ function! s:progress_bar(line, bar, total)
 endfunction
 
 function! s:compare_git_uri(a, b)
-  let a = substitute(a:a, 'git:\{1,2}@', '', '')
-  let b = substitute(a:b, 'git:\{1,2}@', '', '')
-  return 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)
@@ -1823,10 +1976,7 @@ endfunction
 
 function! s:system(cmd, ...)
   try
-    let [sh, shrd] = [&shell, &shellredir]
-    if !s:is_win
-      set shell=sh shellredir=>%s\ 2>&1
-    endif
+    let [sh, shrd] = s:chsh(1)
     let cmd = a:0 > 0 ? s:with_cd(a:cmd, a:1) : a:cmd
     return system(s:is_win ? '('.cmd.')' : cmd)
   finally
@@ -1948,16 +2098,48 @@ function! s:clean(force)
   if empty(todo)
     call append(line('$'), 'Already clean.')
   else
-    if a:force || s:ask('Proceed?')
-      for dir in todo
-        call s:rm_rf(dir)
-      endfor
-      call append(3, ['Removed.', ''])
+    let s:clean_count = 0
+    call append(3, ['Directories to delete:', ''])
+    redraw!
+    if a:force || s:ask_no_interrupt('Delete all directories?')
+      call s:delete([6, line('$')], 1)
     else
-      call append(3, ['Cancelled.', ''])
+      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
+  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
+        call s:rm_rf(line[2:])
+        setlocal modifiable
+        call setline(l1, '~'.line[1:])
+        let s:clean_count += 1
+        call setline(4, printf('Removed %d directories.', s:clean_count))
+        setlocal nomodifiable
+      endif
+    endif
+    let l1 += 1
+  endwhile
 endfunction
 
 function! s:upgrade()
@@ -2099,11 +2281,15 @@ function! s:preview_commit()
     return
   endif
 
-  execute 'pedit' sha
-  wincmd P
-  setlocal filetype=git buftype=nofile nobuflisted modifiable
-  execute 'silent read !cd' s:shellesc(g:plugs[name].dir) '&& git show --no-color --pretty=medium' sha
-  normal! gg"_dd
+  if exists('g:plug_pwindow') && !s:is_preview_window_open()
+    execute g:plug_pwindow
+    execute 'e' sha
+  else
+    execute 'pedit' sha
+    wincmd P
+  endif
+  setlocal previewwindow filetype=git buftype=nofile nobuflisted modifiable
+  execute 'silent %!cd' s:shellesc(g:plugs[name].dir) '&& git show --no-color --pretty=medium' sha
   setlocal nomodifiable
   nnoremap <silent> <buffer> q :q<cr>
   wincmd p
@@ -2189,7 +2375,7 @@ function! s:revert()
   setlocal modifiable
   normal! "_dap
   setlocal nomodifiable
-  echo 'Reverted.'
+  echo 'Reverted'
 endfunction
 
 function! s:snapshot(force, ...) abort

test/regressions.vader

@@ -7,19 +7,19 @@ Execute (#112 On-demand loading should not suppress messages from ftplugin):
   redir => out
   tabnew a.c
   redir END
-  Assert stridx(out, 'ftplugin') >= 0
+  Assert stridx(out, 'ftplugin-c') >= 0
 
 * The same applies to plug#load())
   redir => out
   call plug#load('ftplugin-msg')
   redir END
-  Assert stridx(out, 'ftplugin') >= 0
+  Assert stridx(out, 'ftplugin-c') >= 0
   q
 
 
 **********************************************************************
 Execute (#114 Should not contain empty path in &rtp):
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   call plug#end()
 
   Log &rtp
@@ -35,7 +35,7 @@ Execute (#130 Proper cleanup of on-demand loading triggers):
 
   " Cleared on command
   call ReloadPlug()
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/vim-emoji', { 'on':  ['EmojiCommand', 'EmojiCommand2', '<Plug>(EmojiMapping)'] }
   call plug#end()
   PlugInstall | q
@@ -52,7 +52,7 @@ Execute (#130 Proper cleanup of on-demand loading triggers):
 
   " Cleared on FileType
   call ReloadPlug()
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/vim-emoji', { 'on': ['EmojiCommandExtra', '<Plug>(EmojiMappingExtra)'], 'for': ['emoji'] }
   call plug#end()
 
@@ -78,13 +78,13 @@ Execute (#131 Syntax error):
 **********************************************************************
 Execute (#139-1 Using new remote branch):
   " Make sure to remove the clone
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   call plug#end()
   PlugClean!
 
   " Install master branch
-  call plug#begin('/tmp/plugged')
-  Plug expand('file:////tmp/new-branch')
+  call plug#begin('/tmp/vim-plug-test/plugged')
+  Plug expand('file:////tmp/vim-plug-test/new-branch')
   call plug#end()
   PlugUpdate
 
@@ -95,14 +95,14 @@ Execute (#139-1 Using new remote branch):
   Assert !exists('g:baz'), 'g:baz should not be found'
 
   " Create a new branch on origin
-  call system('cd /tmp/new-branch && git checkout -b new &&'
+  call system('cd /tmp/vim-plug-test/new-branch && git checkout -b new &&'
       \. 'echo "let g:bar = 1" > plugin/bar.vim && git add plugin/bar.vim &&'
       \. 'git commit -m second')
 
   " We're setting up two plugins so that parallel installer is used
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/seoul256.vim'
-  Plug expand('file:////tmp/new-branch'), { 'branch': 'new' }
+  Plug expand('file:////tmp/vim-plug-test/new-branch'), { 'branch': 'new' }
   call plug#end()
   PlugUpdate
   silent %y
@@ -125,14 +125,14 @@ Expect:
 
 Execute (#139-2 Using yet another new remote branch):
   " Create another branch on origin
-  call system('cd /tmp/new-branch && git checkout master &&'
+  call system('cd /tmp/vim-plug-test/new-branch && git checkout master &&'
       \. 'git checkout -b brand-new &&'
       \. 'echo "let g:baz = 1" > plugin/baz.vim && git add plugin/baz.vim &&'
       \. 'git commit -m third')
 
   " Test Vim installer here
-  call plug#begin('/tmp/plugged')
-  Plug expand('file:////tmp/new-branch'), { 'branch': 'brand-new' }
+  call plug#begin('/tmp/vim-plug-test/plugged')
+  Plug expand('file:////tmp/vim-plug-test/new-branch'), { 'branch': 'brand-new' }
   call plug#end()
   PlugUpdate
   silent %y
@@ -154,19 +154,19 @@ Expect:
 
 Execute (#139-3 Should fail when not possible to fast-forward):
   " Commit on cloned repo
-  call system('cd /tmp/plugged/new-branch && git checkout master &&'
+  call system('cd /tmp/vim-plug-test/plugged/new-branch && git checkout master &&'
       \. 'touch foobar && git add foobar && git commit -m foobar')
 
   " Different commit on remote
-  call system('cd /tmp/new-branch && git checkout master &&'
+  call system('cd /tmp/vim-plug-test/new-branch && git checkout master &&'
       \. 'touch foobaz && git add foobaz && git commit -m foobaz')
 
   for multi in [0, 1]
-    call plug#begin('/tmp/plugged')
+    call plug#begin('/tmp/vim-plug-test/plugged')
     if multi
       Plug 'junegunn/seoul256.vim'
     endif
-    Plug expand('file:////tmp/new-branch')
+    Plug expand('file:////tmp/vim-plug-test/new-branch')
     call plug#end()
     PlugUpdate
     silent %y
@@ -210,7 +210,7 @@ Execute (#159: shell=/bin/tcsh):
   let org = &shell
   try
     set shell=/bin/tcsh
-    call plug#begin('/tmp/plugged')
+    call plug#begin('/tmp/vim-plug-test/plugged')
     Plug 'junegunn/seoul256.vim'
     call plug#end()
 
@@ -224,7 +224,7 @@ Execute (#159: shell=/bin/tcsh):
 
 **********************************************************************
 Execute (#154: Spaces in &rtp should not be escaped):
-  call plug#begin('/tmp/plug it')
+  call plug#begin('/tmp/vim-plug-test/plug it')
   Plug 'seoul256 vim'
   call plug#end()
   Log &rtp
@@ -232,7 +232,7 @@ Execute (#154: Spaces in &rtp should not be escaped):
 
 **********************************************************************
 Execute (#184: Duplicate entries in &rtp):
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'plugin1'
     \| Plug 'plugin0'
 
@@ -250,7 +250,7 @@ Execute (#236: Plugin removed from &rtp when .vimrc is reloaded):
   silent! delc EasyAlign
 
   call ReloadPlug()
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/vim-easy-align', { 'on': 'EasyAlign' }
   call plug#end()
   PlugInstall | q
@@ -259,19 +259,19 @@ Execute (#236: Plugin removed from &rtp when .vimrc is reloaded):
   %EasyAlign=
   Assert &rtp =~ '/vim-easy-align', 'Plugin should be in &rtp'
 
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/vim-easy-align', { 'on': 'EasyAlign' }
   call plug#end()
   Assert &rtp =~ '/vim-easy-align', 'Plugin should still be in &rtp'
 
 **********************************************************************
 Execute (#350: Ruby installer failed to unshallow tagged plugin on update):
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   call plug#end()
   PlugClean!
 
   " Shallow clone. We should have at least 2 plugins to enable parallel installer.
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/vim-easy-align'
   Plug 'junegunn/seoul256.vim'
   call plug#end()
@@ -279,7 +279,7 @@ Execute (#350: Ruby installer failed to unshallow tagged plugin on update):
   Assert filereadable(g:plugs['vim-easy-align'].dir.'/.git/shallow')
 
   " Now unshallowed
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/vim-easy-align', { 'tag': '2.9.0' }
   Plug 'junegunn/seoul256.vim'
   call plug#end()
@@ -289,16 +289,44 @@ Execute (#350: Ruby installer failed to unshallow tagged plugin on update):
 
 **********************************************************************
 Execute (#474: Load ftdetect files in filetypedetect augroup):
-  call plug#begin('/tmp/plugged')
+  call plug#begin('/tmp/vim-plug-test/plugged')
   Plug 'junegunn/rust.vim', { 'for': 'rust', 'commit': '115d321d383eb96d438466c56cc871fcc1bd0faa' }
   call plug#end()
   PlugInstall!
   q
 
-  tabnew /tmp/any.rs
+  tabnew /tmp/vim-plug-test/any.rs
   AssertEqual 'rust', &filetype
   Log &filetype
   filetype detect
   AssertEqual 'rust', &filetype
   Log &filetype
   bd
+
+**********************************************************************
+Execute (#489 On-demand loading with 'on' option should trigger BufRead autocmd):
+  call plug#begin('$PLUG_FIXTURES')
+  Plug 'ftplugin-msg', { 'on': 'XXX' }
+  call plug#end()
+
+  tabnew a.java
+  redir => out
+  silent! XXX
+  redir END
+  Assert stridx(out, 'ftplugin-java') >= 0
+  q
+
+**********************************************************************
+Execute (Cursor moved to another window during post-update hook):
+  function! DoSplit(...)
+    new
+    call setline(1, 'empty')
+  endfunction
+  call plug#begin('/tmp/vim-plug-test/plugged')
+  Plug 'junegunn/rust.vim', { 'do': function('DoSplit') }
+  call plug#end()
+  PlugInstall!
+  AssertEqual 1, line('$')
+  AssertEqual 'empty', getline(1)
+  q!
+  q

test/run

@@ -6,9 +6,12 @@ export BASE="$PWD"
 export PLUG_SRC="$PWD/../plug.vim"
 export PLUG_FIXTURES="$PWD/fixtures"
 mkdir -p "$PLUG_FIXTURES"
+export TEMP=/tmp/vim-plug-test
+rm -rf "$TEMP"
+mkdir -p "$TEMP"
 
-cat > /tmp/mini-vimrc << VIMRC
-set rtp+=/tmp/junegunn/vader.vim
+cat > $TEMP/mini-vimrc << VIMRC
+set rtp+=$TEMP/junegunn/vader.vim
 set shell=/bin/bash
 VIMRC
 
@@ -19,7 +22,7 @@ clone() {
 }
 
 clone_repos() (
-  cd /tmp
+  cd $TEMP
   mkdir -p junegunn vim-scripts jg
   for repo in vader.vim goyo.vim rust.vim seoul256.vim vim-easy-align vim-fnr \
               vim-oblique vim-pseudocl vim-redis vim-emoji; do
@@ -77,10 +80,11 @@ DOC
 
   rm -rf "$PLUG_FIXTURES/ftplugin-msg"
   mkdir -p "$PLUG_FIXTURES/ftplugin-msg/ftplugin"
-  echo "echomsg 'ftplugin'" > "$PLUG_FIXTURES/ftplugin-msg/ftplugin/c.vim"
+  echo "echomsg 'ftplugin-c'" > "$PLUG_FIXTURES/ftplugin-msg/ftplugin/c.vim"
+  echo "echomsg 'ftplugin-java'" > "$PLUG_FIXTURES/ftplugin-msg/ftplugin/java.vim"
 
-  rm -rf /tmp/new-branch
-  cd /tmp
+  rm -rf $TEMP/new-branch
+  cd $TEMP
   git init new-branch
   cd new-branch
   mkdir plugin
@@ -108,10 +112,10 @@ git --version
 VIM=$(select_vim)
 echo "Selected Vim: $VIM"
 if [ "$1" = '!' ]; then
-  $VIM -Nu /tmp/mini-vimrc -c 'Vader! test.vader' > /dev/null &&
+  $VIM -Nu $TEMP/mini-vimrc -c 'Vader! test.vader' > /dev/null &&
   prepare &&
-  $VIM -Nu /tmp/mini-vimrc -c 'let g:plug_threads = 1 | Vader! test.vader' > /dev/null
+  $VIM -Nu $TEMP/mini-vimrc -c 'let g:plug_threads = 1 | Vader! test.vader' > /dev/null
 else
-  $VIM -Nu /tmp/mini-vimrc -c 'Vader test.vader'
+  $VIM -Nu $TEMP/mini-vimrc -c 'Vader test.vader'
 fi
 

test/test.vader

@@ -2,7 +2,7 @@ Execute (Initialize test environment):
   Save &rtp, g:plugs, g:plug_home, g:plug_window
   unlet! g:plugs g:plug_home g:plug_window
 
-  let g:plug_url_format = 'file:///tmp/%s'
+  let g:plug_url_format = 'file:///tmp/vim-plug-test/%s'
   let g:base_rtp        = &rtp
   let g:first_rtp       = split(&rtp, ',')[0]
   let g:last_rtp        = split(&rtp, ',')[-1]
@@ -14,8 +14,15 @@ Execute (Initialize test environment):
 
   " Temporarily patch plug.vim
   call system('cp "$PLUG_SRC" "$PLUG_TMP"')
-  call writefile(extend(readfile($PLUG_TMP),
-  \ ['function! ResetPlug()', 'let s:loaded = {}', 'endfunction']), $PLUG_TMP)
+  let patch =
+  \ ['function! ResetPlug()', 'let s:loaded = {}', 'endfunction',
+  \  'function! CompareURI(a, b)', 'return s:compare_git_uri(a:a, a:b)', 'endfunction']
+
+  if $ENV != 'vim8'
+    call add(patch, 'let s:vim8 = 0')
+  endif
+
+  call writefile(extend(readfile($PLUG_TMP), patch), $PLUG_TMP)
 
   set t_Co=256
   colo default
@@ -69,14 +76,16 @@ Execute (Initialize test environment):
 Execute (Print Interpreter Version):
   redir => out
   if has('ruby')
-    silent ruby puts 'Ruby: ' + RUBY_VERSION
-  elseif has('python')
-    silent python import sys; svi = sys.version_info; print 'Python: {}.{}.{}'.format(svi[0], svi[1], svi[2])
-  elseif has('python3')
-    silent python3 import sys; svi = sys.version_info; print('Python: {}.{}.{}'.format(svi[0], svi[1], svi[2]))
+    silent! ruby puts 'Ruby: ' + RUBY_VERSION
+  endif
+  if has('python')
+    silent! python import sys; svi = sys.version_info; print 'Python: {}.{}.{}'.format(svi[0], svi[1], svi[2])
+  endif
+  if has('python3')
+    silent! python3 import sys; svi = sys.version_info; print('Python: {}.{}.{}'.format(svi[0], svi[1], svi[2]))
   endif
   redir END
-  Log substitute(out, '\n', '', 'g')
+  Log split(out, '\n')
 
 Include: workflow.vader
 Include: regressions.vader

test/workflow.vader

@@ -34,7 +34,7 @@ Execute (Subsequent plug#begin() calls will reuse g:plug_home):
 Execute (Test Plug command):
 ^ Git repo with branch (DEPRECATED. USE BRANCH OPTION)
   Plug 'junegunn/seoul256.vim', { 'branch': 'yes-t_co' }
-  AssertEqual 'file:///tmp/junegunn/seoul256.vim', g:plugs['seoul256.vim'].uri
+  AssertEqual 'file:///tmp/vim-plug-test/junegunn/seoul256.vim', g:plugs['seoul256.vim'].uri
   AssertEqual join([g:temp_plugged, 'seoul256.vim/'], '/'), g:plugs['seoul256.vim'].dir
   AssertEqual 'yes-t_co', g:plugs['seoul256.vim'].branch
 
@@ -43,7 +43,7 @@ Execute (Test Plug command):
 
 ^ Git repo with tag (DEPRECATED. USE TAG OPTION)
   Plug 'junegunn/goyo.vim', '1.5.2'
-  AssertEqual 'file:///tmp/junegunn/goyo.vim', g:plugs['goyo.vim'].uri
+  AssertEqual 'file:///tmp/vim-plug-test/junegunn/goyo.vim', g:plugs['goyo.vim'].uri
   AssertEqual join([g:temp_plugged, 'goyo.vim/'], '/'), g:plugs['goyo.vim'].dir
   AssertEqual '1.5.2', g:plugs['goyo.vim'].tag
 
@@ -51,14 +51,14 @@ Execute (Test Plug command):
   AssertEqual '1.5.3', g:plugs['goyo.vim'].tag
 
   " Git URI
-  Plug 'file:///tmp/jg/vim-emoji'
-  AssertEqual 'file:///tmp/jg/vim-emoji', g:plugs['vim-emoji'].uri
+  Plug 'file:///tmp/vim-plug-test/jg/vim-emoji'
+  AssertEqual 'file:///tmp/vim-plug-test/jg/vim-emoji', g:plugs['vim-emoji'].uri
   AssertEqual 'master', g:plugs['vim-emoji'].branch
   AssertEqual join([g:temp_plugged, 'vim-emoji/'], '/'), g:plugs['vim-emoji'].dir
 
   " vim-scripts/
   Plug 'beauty256'
-  AssertEqual 'file:///tmp/vim-scripts/beauty256', g:plugs.beauty256.uri
+  AssertEqual 'file:///tmp/vim-plug-test/vim-scripts/beauty256', g:plugs.beauty256.uri
   AssertEqual 'master', g:plugs.beauty256.branch
 
   AssertEqual 4, len(g:plugs)
@@ -84,7 +84,7 @@ Execute (PlugClean before installation):
 
 Execute (plug#end() updates &rtp):
   " Plug 'junegunn/goyo.vim', { 'tag': '1.5.3' }
-  " Plug 'file:///tmp/jg/vim-emoji'
+  " Plug 'file:///tmp/vim-plug-test/jg/vim-emoji'
   " Plug 'beauty256'
   " Plug 'junegunn/seoul256.vim', { 'branch': 'no-t_co', 'rtp': '././' }
   call plug#end()
@@ -159,7 +159,7 @@ Expect:
 Execute (Change branch of seoul256.vim):
   call plug#begin()
   Plug 'junegunn/seoul256.vim'
-  Plug 'file:///tmp/jg/vim-emoji'
+  Plug 'file:///tmp/vim-plug-test/jg/vim-emoji'
   call plug#end()
 
 Execute (PlugStatus):
@@ -197,15 +197,15 @@ Expect:
 Execute (Change URI of seoul256.vim):
   call plug#begin()
   Plug 'junegunn.choi/seoul256.vim'
-  Plug 'file:///tmp/jg/vim-emoji'
+  Plug 'file:///tmp/vim-plug-test/jg/vim-emoji'
   call plug#end()
 
 Execute (PlugStatus):
   call PlugStatusSorted()
 
 Expect:
-      Expected:    file:///tmp/junegunn.choi/seoul256.vim
-      Invalid URI: file:///tmp/junegunn/seoul256.vim
+      Expected:    file:///tmp/vim-plug-test/junegunn.choi/seoul256.vim
+      Invalid URI: file:///tmp/vim-plug-test/junegunn/seoul256.vim
       PlugClean required.
   - vim-emoji: OK
   Finished. 1 error(s).
@@ -215,7 +215,7 @@ Expect:
 Execute (Corrected the URI but diverged from master):
   call plug#begin()
   Plug 'junegunn/seoul256.vim'
-  Plug 'file:///tmp/jg/vim-emoji'
+  Plug 'file:///tmp/vim-plug-test/jg/vim-emoji'
   call plug#end()
   for _ in range(3)
     call system(printf('cd "%s" && git commit --allow-empty -m "dummy"', g:plugs['seoul256.vim'].dir))
@@ -240,8 +240,8 @@ Expect:
 Execute (PlugClean! to remove seoul256.vim):
   PlugClean!
   " Three removed, emoji left
-  AssertEqual 'Removed.', getline(4)
-  AssertExpect '^- ', 3
+  AssertEqual 'Removed 3 directories.', getline(4)
+  AssertExpect '^\~ ', 3
   AssertExpect 'Diverged', 1
   Assert empty(globpath(&rtp, 'colors/seoul256.vim'))
   Assert !empty(globpath(&rtp, 'autoload/emoji.vim'))
@@ -257,8 +257,8 @@ Execute (PlugStatus):
   call PlugStatusSorted()
 
 Expect:
-      Expected:    file:///tmp/junegunn/vim-emoji
-      Invalid URI: file:///tmp/jg/vim-emoji
+      Expected:    file:///tmp/vim-plug-test/junegunn/vim-emoji
+      Invalid URI: file:///tmp/vim-plug-test/jg/vim-emoji
       Not found. Try PlugInstall.
       PlugClean required.
   Finished. 2 error(s).
@@ -268,8 +268,8 @@ Expect:
 
 Execute (PlugClean! to remove vim-emoji):
   PlugClean!
-  AssertExpect '^- ', 1
-  AssertEqual 'Removed.', getline(4)
+  AssertExpect '^\~ ', 1
+  AssertEqual 'Removed 1 directories.', getline(4)
   Assert empty(globpath(&rtp, 'colors/seoul256.vim'))
   Assert empty(globpath(&rtp, 'autoload/emoji.vim'))
   q
@@ -300,7 +300,7 @@ Execute (PlugDiff - 'No updates.'):
 Execute (New commits on remote, PlugUpdate, then PlugDiff):
   for repo in ['seoul256.vim', 'vim-emoji']
     for _ in range(2)
-      call system(printf('cd /tmp/junegunn/%s && git commit --allow-empty -m "update"', repo))
+      call system(printf('cd /tmp/vim-plug-test/junegunn/%s && git commit --allow-empty -m "update"', repo))
     endfor
   endfor
   unlet repo
@@ -365,6 +365,22 @@ Execute (New commits on remote, PlugUpdate, then PlugDiff):
   AssertEqual 1, &previewwindow
   pclose
 
+Execute (Test g:plug_pwindow):
+  let g:plug_pwindow = 'below 5new'
+  PlugDiff
+  AssertExpect '^- ', 1
+  execute "normal ]]jo"
+
+  AssertEqual 0, &previewwindow
+  AssertEqual 1, winnr()
+  wincmd P
+  AssertEqual 1, &previewwindow
+  AssertEqual 2, winnr()
+  AssertEqual 5, winheight('.')
+  wincmd p
+  normal q
+  unlet g:plug_pwindow
+
 Execute (Reuse Plug window in another tab):
   let tabnr = tabpagenr()
   PlugDiff
@@ -596,7 +612,7 @@ Execute (PlugStatus should point out that the plugin is missing):
 Execute (Deploy unmanaged plugin):
   Assert !exists(':FZF'), ':FZF command should not exist'
   call RmRf(fzf)
-  Log system(printf('cp -r "/tmp/fzf" "%s"', fzf))
+  Log system(printf('cp -r "/tmp/vim-plug-test/fzf" "%s"', fzf))
 
 Execute (PlugUpdate still should not care):
   PlugUpdate
@@ -769,7 +785,7 @@ Execute (On update):
   call plug#end()
 
   " New commits on remote
-  call system('cd /tmp/junegunn/vim-pseudocl && git commit --allow-empty -m "update"')
+  call system('cd /tmp/vim-plug-test/junegunn/vim-pseudocl && git commit --allow-empty -m "update"')
 
   silent PlugUpdate
   Log getline(1, '$')
@@ -841,7 +857,12 @@ Execute (PlugUpdate!):
 Execute (When submodules are not initialized):
   call system(printf('cd %s && git submodule deinit subsubmodule', g:plugs['subsubmodule'].dir))
 
+^ #481 submodule update should use standard shell
+  let sh = &shell
+  set sh=/bin/echo
   silent PlugUpdate!
+  let &shell = sh
+  unlet sh
   q
   AssertEqual ' ', system(printf('cd %s && git submodule status', g:plugs['subsubmodule'].dir))[0],
     \ 'subsubmodule/subsubmodule should be initialized'
@@ -856,7 +877,7 @@ Execute (Using Funcref):
   Plug 'junegunn/vim-pseudocl',   { 'do': function('PlugUpdated') }
   call plug#end()
 
-  call system('cd /tmp/junegunn/vim-easy-align && git commit --allow-empty -m "update"')
+  call system('cd /tmp/vim-plug-test/junegunn/vim-easy-align && git commit --allow-empty -m "update"')
   call system('cd '.g:plugs['vim-easy-align'].dir.' && git reset --hard HEAD^')
   call RmRf(g:plugs['vim-pseudocl'].dir)
 
@@ -916,8 +937,8 @@ Execute (Should not run when failed to update):
   call system(printf('cd %s && git remote set-url origin xxx', g:plugs['vim-easy-align'].dir))
 
   " New commits on remote
-  call system('cd /tmp/junegunn/vim-easy-align && git commit --allow-empty -m "update"')
-  call system('cd /tmp/junegunn/vim-pseudocl && git commit --allow-empty -m "update"')
+  call system('cd /tmp/vim-plug-test/junegunn/vim-easy-align && git commit --allow-empty -m "update"')
+  call system('cd /tmp/vim-plug-test/junegunn/vim-pseudocl && git commit --allow-empty -m "update"')
 
   silent PlugUpdate
   Log getline(1, '$')
@@ -928,18 +949,52 @@ Execute (Should not run when failed to update):
   Assert filereadable(g:plugs['vim-pseudocl'].dir.'/not-failed'),
     \ 'vim-pseudocl/not-failed should exist'
 
+Execute (Vim command with : prefix):
+  call plug#begin()
+  Plug 'junegunn/vim-pseudocl', { 'do': ':call setline(2, 12345)' }
+  call plug#end()
+
+  PlugInstall!
+  Log getline(1, '$')
+  AssertEqual '12345', getline(2)
+  q
+
+Execute (Vim command with : prefix closing the window):
+  call plug#begin()
+  Plug 'junegunn/vim-pseudocl', { 'do': ':close' }
+  call plug#end()
+
+  redir => out
+  PlugInstall!
+  redir END
+  Assert out =~ 'vim-plug was terminated'
+  Assert out =~ 'of vim-pseudocl'
+
+Execute (Invalid vim command in post-update hook):
+  call plug#begin()
+  Plug 'junegunn/vim-pseudocl', { 'do': ':nosuchcommand' }
+  call plug#end()
+
+  PlugInstall!
+  Log getline(1, '$')
+  AssertExpect! 'x Post-update hook for vim-pseudocl ... Vim:E492: Not an editor command: nosuchcommand', 1
+  q
+
 **********************************************************************
 ~ Overriding `dir`
 **********************************************************************
 
 Execute (Using custom dir):
+  call plug#begin()
+  Plug 'junegunn/vim-easy-align'
+  call plug#end()
   Assert isdirectory(g:plugs['vim-easy-align'].dir)
 
-  call RmRf('/tmp/easy-align')
+  call RmRf('/tmp/vim-plug-test/easy-align')
   call plug#begin()
-  Plug 'junegunn/vim-easy-align', { 'dir': '/tmp/easy-align' }
+  Plug 'junegunn/vim-easy-align', { 'dir': '/tmp/vim-plug-test/easy-align' }
   call plug#end()
-  AssertEqual '/tmp/easy-align/', g:plugs['vim-easy-align'].dir
+  AssertEqual '/tmp/vim-plug-test/easy-align/', g:plugs['vim-easy-align'].dir
 
   PlugClean!
   Assert !isdirectory(g:plugs['vim-easy-align'].dir)
@@ -1255,11 +1310,11 @@ Execute (PlugClean should not try to remove unmanaged plugins inside g:plug_home
 
   " Remove z1, z2
   PlugClean!
-  AssertExpect '^- ', 2
+  AssertExpect '^\~ ', 2
   AssertExpect 'Already clean', 0
 
   PlugClean!
-  AssertExpect '^- ', 0
+  AssertExpect '^\~ ', 0
   AssertExpect 'Already clean', 1
   q
 
@@ -1363,8 +1418,9 @@ Execute (Commit hash support):
   call plug#end()
   PlugUpdate
   Log getline(1, '$')
-  AssertEqual 'x goyo.vim: error: pathspec ''ffffffff'' did not match any file(s) known to git.', getline(5)
-  AssertEqual 0, stridx(getline(6), '- vim-emoji: HEAD is now at 9db7fcf...')
+  AssertEqual 'x goyo.vim:', getline(5)
+  AssertEqual '    error: pathspec ''ffffffff'' did not match any file(s) known to git.', getline(6)
+  AssertEqual 0, stridx(getline(7), '- vim-emoji: HEAD is now at 9db7fcf...')
 
   let hash = system(printf('cd %s && git rev-parse HEAD', g:plugs['vim-emoji'].dir))[:-2]
   AssertEqual '9db7fcfee0d90dafdbcb7a32090c0a9085eb054a', hash
@@ -1419,10 +1475,10 @@ Execute (#371 - 'as' option):
   Assert g:plugs.yogo.dir =~# '/yogo/$'
 
   call plug#begin()
-  Plug 'junegunn/goyo.vim', {'as': 'yogo', 'dir': '/tmp/gogo'}
+  Plug 'junegunn/goyo.vim', {'as': 'yogo', 'dir': '/tmp/vim-plug-test/gogo'}
   call plug#end()
   AssertEqual ['yogo'], sort(keys(g:plugs))
-  AssertEqual '/tmp/gogo/', g:plugs.yogo.dir
+  AssertEqual '/tmp/vim-plug-test/gogo/', g:plugs.yogo.dir
 
 Execute (#427 - Tag option with wildcard (requires git 1.9.2 or above)):
   if str2nr(split(split(system('git --version'))[-1], '\.')[0]) < 2
@@ -1437,3 +1493,57 @@ Execute (#427 - Tag option with wildcard (requires git 1.9.2 or above)):
     q
     AssertEqual '2.9.7', GitTag('vim-easy-align')
   endif
+
+Execute (#530 - Comparison of compatible git URIs):
+  " .git suffix
+  Assert CompareURI('https://github.com/junegunn/vim-plug.git', 'https://github.com/junegunn/vim-plug')
+
+  " user@
+  Assert CompareURI('https://github.com/junegunn/vim-plug.git', 'https://user@github.com/junegunn/vim-plug.git')
+
+  " git::@
+  Assert CompareURI('https://github.com/junegunn/vim-plug.git', 'https://git::@github.com/junegunn/vim-plug.git')
+
+  " https and ssh
+  Assert CompareURI('https://github.com/junegunn/vim-plug.git', 'git@github.com:junegunn/vim-plug.git')
+
+  " file://
+  Assert CompareURI('file:///tmp/vim-plug', '/tmp/vim-plug')
+  Assert CompareURI('file:///tmp/vim-plug', '/tmp/vim-plug/')
+
+Execute (#530 - Comparison of incompatible git URIs):
+  " Different hostname
+  Assert !CompareURI('https://github.com/junegunn/vim-plug.git', 'https://bitbucket.com/junegunn/vim-plug.git')
+
+  " Different repository
+  Assert !CompareURI('https://github.com/junegunn/vim-plug.git', 'https://github.com/junegunn/emacs-plug.git')
+
+  " Different port
+  Assert !CompareURI('https://github.com/junegunn/vim-plug.git', 'https://github.com:12345/junegunn/vim-plug.git')
+
+Execute (#532 - Reuse plug window):
+  call plug#begin()
+  Plug 'junegunn/goyo.vim'
+  call plug#end()
+  PlugInstall
+  call system(printf('cd "%s" && git commit --allow-empty -m "dummy"', g:plugs['goyo.vim'].dir))
+
+  PlugDiff
+  AssertEqual 1, winnr()
+  AssertEqual 2, winnr('$')
+
+  " Open preview window
+  execute "normal ]]jo"
+  AssertEqual 2, winnr()
+  AssertEqual 3, winnr('$')
+
+  " Move plug window to the right
+  wincmd L
+  AssertEqual 3, winnr()
+  AssertEqual 3, winnr('$')
+
+  " Reuse plug window. Preview window is closed.
+  PlugStatus
+  AssertEqual 2, winnr()
+  AssertEqual 2, winnr('$')
+  q