Re: How can I figure out what commits relate to a given diff?

From: Jeff King <peff@peff.net>
Date: May 22, 2008, 16:04 UTC
Message-ID: <20080522160414.GA11158@sigill.intra.peff.net>
In-Reply-To: <48358F7E.6030401@harris.com>

On Thu, May 22, 2008 at 11:21:34AM -0400, Steven A. Falco wrote:

Show 9 quoted lines

> For example, one of the diffs in the patch file begins with:
> 
> diff --git a/Makefile b/Makefile
> index 9ceadaa..ad31bc6 100644
> 
> Is there a way to map a blob SHA1 to a commit?  In this example, I'd
> like to map 9ceadaa and ad31bc6 to their commits.  It seems easy to go
> the other way, seeing what is in a commit, but I've not been able to
> find a method for going "backwards" from a blob to a commit.

Miklos suggested a way of looking up trees and commits which contain blobs, but you can also look for that specific change of blobs:

  git log --pretty=format:'%h %s' --raw |
    perl -00 -ne 'print if /9ceadaa.*ad31bc6/'

-Peff