From: Jeff King <peff@peff.net>
Date: Wed, 30 Oct 2019 20:17:57 GMT
Subject: Re: request: add git grep -o option
Message-ID: <20191030201757.GA29013@sigill.intra.peff.net>
In-Reply-To: <277ee7531df8dfd3249f189b9b298a5d187ec479.camel@perches.com>

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.

-Peff