Re[2]: How to set up completion for git aliases?

["Benjamin R. Haskell" <zsh@benizi.com>]

On Thu, 1 Nov 2012, Vadim Zeitlin wrote:

> On Sat, 07 Jul 2012 01:02:43 +0200 Frank Terbeck <ft@bewatermyfriend.org> wrote:
>
> FT> Vadim Zeitlin wrote:
> FT> >  I have a simple git alias "lg = log --oneline" and I'd like zsh to 
> FT> > complete it in the same way as it already completes "git log".
> ...
> FT> You don't need to do anything, unless you're on a quite old version of 
> FT> zsh. The _git completion has support for that out of the box.
>
> Hello,
>
> I'd like to return to this thread because I think that this (very 
> useful) feature doesn't play well with the method of setting up custom 
> completion for git subcommands described in the standard 
> Completion/Unix/_git: the comment in the beginning of this file says 
> that you should be able to simply defined your own _git-foo completion 
> function to handle completion of "git foo". Unfortunately this doesn't 
> seem to work or, actually, it does work as long as "foo" is really an 
> external command and not an alias. But if I have "foo" defined as an 
> alias in my ~/.gitconfig, then it seems that the alias completion 
> takes over and it tries to complete the "!sh -c ..." alias expansion 
> which, unsurprisingly, doesn't work really well.
>
> Is there some way to tell git completion to use _git-foo if it's 
> defined even if foo is an alias? I tried to find it but unfortunately 
> _git file is just too much for me...
>
> Of course, there is always the solution of actually using an external 
> command instead of an alias but having an alias is often more 
> convenient for simple one-liners so it would be nice if it could be 
> made to work.

I recently posted a patch to make this work:

zsh-workers 30737
http://www.zsh.org/mla/workers/2012/msg00643.html

For the example mentioned (git alias "lg = log --oneline"), if the 
function _git-lg exists, the patch will let it be used for completion.

-- 
Best,
Ben