Merge pull request #541 from junegunn/vim8

Asynchronous +job installer on Vim 8
This commit is contained in:
Junegunn Choi 2016-10-19 08:10:20 +09:00 committed by GitHub
commit f4427b97f1
4 changed files with 111 additions and 59 deletions

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@ -20,6 +20,7 @@ matrix:
- 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"

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@ -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

157
plug.vim
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@ -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 = {
@ -948,8 +949,9 @@ 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
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(),
@ -959,7 +961,7 @@ 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
\ }
@ -973,7 +975,7 @@ 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
@ -1014,7 +1016,7 @@ function! s:update_impl(pull, force, args) abort
endtry
else
call s:update_vim()
while s:nvim && has('vim_starting')
while use_job && has('vim_starting')
sleep 100m
if s:update.fin
break
@ -1035,7 +1037,7 @@ 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
@ -1091,12 +1093,16 @@ 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
@ -1104,59 +1110,88 @@ 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, 'v:val =~ "[^\r\n]"'), '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
@ -1171,7 +1206,9 @@ 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)
@ -1190,23 +1227,31 @@ 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
silent 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
@ -1220,7 +1265,7 @@ 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
@ -1245,10 +1290,10 @@ 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,

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@ -14,9 +14,15 @@ Execute (Initialize test environment):
" Temporarily patch plug.vim
call system('cp "$PLUG_SRC" "$PLUG_TMP"')
call writefile(extend(readfile($PLUG_TMP),
let patch =
\ ['function! ResetPlug()', 'let s:loaded = {}', 'endfunction',
\ 'function! CompareURI(a, b)', 'return s:compare_git_uri(a:a, a:b)', 'endfunction']), $PLUG_TMP)
\ '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