From: J. Bruce Fields <bfields@fieldses.org>
Date: Sat, 27 Jan 2007 04:42:46 GMT
Subject: Re: finding earliest tags descended from a given commit
Message-ID: <20070127044246.GC14205@fieldses.org>
In-Reply-To: <Pine.LNX.4.64.0701262022230.25027@woody.linux-foundation.org>

On Fri, Jan 26, 2007 at 08:34:15PM -0800, Linus Torvalds wrote:
> On Fri, 26 Jan 2007, J. Bruce Fields wrote:
> >
> > Just curious: every now and then somebody will ask me what kernel
> > version they need to upgrade to to get some given fix.  I can find the
> > commit with the given fix easily enough.  How do I then find the
> > earliest tagged version containing that fix?
> 
> You can name any revision based on the set of tags you have with:
> 
> 	git name-rev --tags <sha1-of-commit>
> 
> which will try to find the "simplest" way to name something by following 
> one of your tags.

That's interesting, I hadn't noticed name-rev before you and Shawn
mentioned it.

It only finds one name, though. When I tried it just now on my
repository what it found was a tag I'd created for an experimental
version, which probably wouldn't be what I wanted.  (Though it might be,
in some situations.)

--b.