linux-kernel - Re: helping with tracking commits across repos

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Message-ID: <CAEBXXD8CZumwvOH7gLU+HQNAngHbD7eLFB48qUF_8BeYhk7fNQ@mail.gmail.com>
Date:	Mon, 15 Apr 2013 11:21:32 -0700
From:	dmg <dmg@...c.ca>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	stable@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: helping with tracking commits across repos

Hi Ben,

On 4/13/13, Ben Hutchings <ben@...adent.org.uk> wrote:
> I notice that where a commit is cherry-picked cleanly on a stable
> branch, like 6b90466cfec2a2fe027187d675d8d14217c12d82, your script finds
> the corresponding commit on the stable branch.  This is useful.
>
> But where some backporting changes are needed, such as for
> f01fc1a82c2ee68726b400fadb156bd623b5f2f1, which became
> 8ebfe28181b02766ac41d9d841801c146e6161c1 on the 3.2.y branch, the
> corresponding commit isn't found.
>
> It should be possible to find such backported commits based on a simple
> regex search over the commit message:

I took a more aggressive approach. I decided to look for 40 length
character hashes in the
comment and patch of the commit.

if the hash is in the database of commits I maintain, then I display
it. if not, it is ignored.
You can revisit the output of that commit:

http://o.cs.uvic.ca:20810/perl/cid2.pl?cid=8ebfe28181b02766ac41d9d841801c146e6161c1

This means I am able to show when a commit is referenced by another one, and
the commits that a commit references.

hopefully this solves the use-case you described.

The commit logs are being scanned as I write this. It should be done
in a couple of hours.

--dmg

---
Daniel M. German
http://turingmachine.org
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