Fall back to Python installer if Ruby is broken

Close #460. Also remove unnecessary `return 0` statements.
This commit is contained in:
Junegunn Choi 2016-04-01 00:00:02 +09:00
parent 76e9076ef4
commit 158fd28bc4

View file

@ -337,7 +337,12 @@ function! s:err(msg)
echohl ErrorMsg
echom '[vim-plug] '.a:msg
echohl None
return 0
endfunction
function! s:warn(cmd, msg)
echohl WarningMsg
execute a:cmd 'a:msg'
echohl None
endfunction
function! s:esc(path)
@ -825,6 +830,16 @@ 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 = 1')
if get(g:, 'plug_ruby', 0)
unlet g:plug_ruby
return 1
endif
redraw!
return s:warn('echom', 'Warning: Ruby interface is broken')
endfunction
function! s:update_impl(pull, force, args) abort
let args = copy(a:args)
let threads = (len(args) > 0 && args[-1] =~ '^[1-9][0-9]*$') ?
@ -835,10 +850,7 @@ function! s:update_impl(pull, force, args) abort
\ filter(managed, 'index(args, v:key) >= 0')
if empty(todo)
echohl WarningMsg
echo 'No plugin to '. (a:pull ? 'update' : 'install') . '.'
echohl None
return
return s:warn('echo', 'No plugin to '. (a:pull ? 'update' : 'install'))
endif
if !s:is_win && s:git_version_requirement(2, 3)
@ -860,13 +872,11 @@ function! s:update_impl(pull, force, args) abort
endif
if has('nvim') && !exists('*jobwait') && threads > 1
echohl WarningMsg
echomsg 'vim-plug: update Neovim for parallel installer'
echohl None
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'))
let ruby = has('ruby') && !s:nvim && (v:version >= 703 || v:version == 702 && has('patch374')) && !(s:is_win && has('gui_running')) && s:check_ruby()
let s:update = {
\ 'start': reltime(),
@ -1089,7 +1099,6 @@ function! s:logpos(name)
return i
endif
endfor
return 0
endfunction
function! s:log(bullet, name, lines)
@ -2027,7 +2036,6 @@ function! s:is_preview_window_open()
wincmd p
return 1
endif
return 0
endfunction
function! s:find_name(lnum)