Re: request: add git grep -o option

[Joe Perches <joe@perches.com>]

On Wed, 2019-10-30 at 16:17 -0400, Jeff King wrote:
> On Wed, Oct 30, 2019 at 12:58:59PM -0700, Joe Perches wrote:
> 
> > Instead of duplicating a grep pattern with grep -oh after
> > git grep like
> > this:
> > 
> > $ git grep -P '(?:[a-z0-9_]+_)?for_each(?:_[a-z0-9_]+)?' -- '*.[ch]' | \
> >   grep -P -oh '(?:[a-z0-9_]+_)?for_each(?:_[a-z0-9_]+)?'
> > 
> > it could be useful to have git grep have the same '-o' option 
> > as gnu grep.
> 
> Doesn't it already?
> 
>   $ git grep -P -oh '(?:[a-z0-9_]+_)?for_each(?:_[a-z0-9_]+)?'
>   for_each
>   for_each
>   for_each_abbrev
>   for_each_builtin
>   for_each_string_list_item
>   for_each_ut
>   [etc...]
> 
> It was new in Git v2.19.

OK, nice.  I never actually tried it and I have 2.24.
My docs need updating as that option is not mentioned.