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runtime: Allow overriding ruby host with g:ruby_host_prog

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This allows users who have per-project Ruby versions (e.g. with `rvm`)
to pin to a particular gem installation.

For example: `let g:ruby_host_prog = 'rvm system do neovim-ruby-host'`
This commit is contained in:
Alex Genco 2017-06-03 17:19:49 -07:00
parent 826210a465
commit f400c6f05f
1 changed files with 8 additions and 4 deletions
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12
runtime/autoload/provider/ruby.vim
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@ -16,7 +16,11 @@ function! s:job_opts.on_stderr(chan_id, data, event)
endfunction
function! provider#ruby#Detect() abort
return exepath('neovim-ruby-host')
if exists("g:ruby_host_prog")
return g:ruby_host_prog
else
return exepath('neovim-ruby-host')
end
endfunction
function! provider#ruby#Prog()
@ -24,15 +28,15 @@ function! provider#ruby#Prog()
endfunction
function! provider#ruby#Require(host) abort
let args = [provider#ruby#Prog()]
let prog = provider#ruby#Prog()
let ruby_plugins = remote#host#PluginsForHost(a:host.name)
for plugin in ruby_plugins
call add(args, plugin.path)
let prog .= " " . shellescape(plugin.path)
endfor
try
let channel_id = jobstart(args, s:job_opts)
let channel_id = jobstart(prog, s:job_opts)
if rpcrequest(channel_id, 'poll') ==# 'ok'
return channel_id
endif