Re: job_start the make command

On Wed, Dec 14, 2016 at 9:42 PM, Bram Moolenaar <Bram@moolenaar.net> wrote:
>
> Nivamail wrote:
>
>> Le mardi 13 décembre 2016 23:19:00 UTC+1, Bryan Richter a écrit :
>> > On Tue, Dec 13, 2016 at 10:04:53AM -0800, Ni Va wrote:
>> > > Hi,
>> > >
>> > > I am using a useful tool rigrep to search content through dirs and
>> > > files.
>> > >
>> > > Then I have applied it to makeprg and set errorformat to display found
>> > > informations like this :
>> > >
>> > >
>> > > let &makeprg = expand("$VIM").'\vim80\rg.exe -n ' . l:args
>> > > let &errorformat = '%f:%l:%m'
>> > > make
>> > > copen
>> > >
>> > > It works perfectly and found items are well displayed with copen. Now
>> > > I would like to job_start the command make and retrieve same display
>> > > in the copened list.
>> > >
>> > > How can I do that ?
>> > > Thanks by advance
>> >
>> > There are two bits of advice I have.
>> >
>> > First, vim is very familiar with tools for searching through dirs and
>> > files. The most well-known is called grep (perhaps you also know it).
>> > vim has a command specifically for doing these searches: ":grep". You
>> > can control it with 'grepprg' just like you can control ":make" with
>> > 'makeprg'. I suggest you get comfortable using those ones!
>> >
>> > (I also use ripgrep. Here are the relevant configurations for me on
>> > Linux):
>> >
>> > set grepprg=rg\ --vimgrep
>> > set grepformat=%f:%l:%c:%m
>> >
>> > Second, you can use the AsyncRun plugin in order to run 'grepprg'
>> > asynchronously. The syntax is a bit cumbersome, but it looks like:
>> >
>> > :AsyncRun -program=grep SEARCH_TERMS
>> >
>> > That will run 'grepprg' in the background and populate the errorlist
>> > as you desire.
>> >
>> > https://github.com/skywind3000/asyncrun.vim
>> >
>> > I hope someone has a better solution than this plugin. :) Maybe one
>> > day :grep will automatically be async?
>>
>> Thank you Bryan for advices.
>>
>> Applying that example
>> " From http://andrewvos.com/2016/09/14/writing-async-jobs-in-vim-8
>>
>> I have done this code.
>> function! BackgroundCommandClose(channel)
>> " Read the output from the command into the quickfix window
>> execute "cfile! " . g:backgroundCommandOutput
>> " Open the quickfix window
>> copen
>> unlet g:backgroundCommandOutput
>> endfunction
>>
>> fun! utils#Search(args) "{{{
>> "
>> "
>> "
>> let prgPath = expand("$vimruntime")."/rg.exe"
>> if !file_readable(prgPath)
>> echoerr "rigrep tool not found in ".$vimruntime
>> return -1
>> endif
>>
>> let l:args = empty(a:args) ? expand("<cword>") : a:args
>> let cmd = prgPath . ' -n ' . l:args
>>
>>
>> " Async func
>> let g:backgroundCommandOutput = tempname()
>> let j = job_start(cmd, {'close_cb': 'BackgroundCommandClose', 'out_io': 'file', 'out_name': g:backgroundCommandOutput})
>> endfu
>> command! -bang -nargs=* -complete=file Search call utils#Search(<q-args>)
>>
>>
>> It works very well in background and copen the cfile well formatted.
>>
>> Maybe you can advise me how optimizing BackgroundCommandClose func declaration in order to declare it within the utilsSearch func.
>>
>> But thank for your advices.
>
> This looks like a good start for a very useful plugin. One that I would
> like to include in Vim.
>
> What I would prefer is something that works just like :make, but in the
> background. It would have the same arguments as :make and use the
> 'makeprg' option. Only that the quickfix list is set much later.
> Could call it :MakeBackground.
>
> My wishlist:
> - When using it again before the previous job is finished, prompt the
> user if he wants to abort the already running job. I quite often run
> :make and than realize I forgot one change.
> - Open the quickfix window when the --copen argument is given.
> - Give a non-intrusive message when the work is done.
>
> Anyone who would be willing to make this work and maintain it?

In that case the dispatch.vim plugin should be updated to use job control:

https://github.com/tpope/vim-dispatch

It's a mature and already widely-used plugin. It would be very much
worth including, and it's backwards-compatible to older Vims.

Justin M. Keyes

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