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Date:   Sat, 13 May 2017 11:35:26 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
cc:     Rob Landley <rob@...dley.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Oleg Nesterov <oleg@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Is there an recommended way to refer to bitkeepr commits?

On Fri, 12 May 2017, Eric W. Biederman wrote:
> Which leaves me perplexed.  The hashes from tglx's current tree:
> https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git
> on kernel.org and the hashes in your full history tree differ.
> Given that they are in theory the same tree this distrubs me.
> 
> Case in point in the commit connected to:
> "[PATCH] linux-2.5.66-signal-cleanup.patch"
> in tglx's tree is:       da334d91ff7001d234863fc7692de1ff90bed57a

That's the proper sha1 for my tree. I jsut verified it against the original
tree which I still have in my archive.

> *scratches my head*
> 
> Something appears to have changed somewhere.

Correct. That full history git rewrote the commits in my bitkeeper import.

history.git:

  commit 7a2deb32924142696b8174cdf9b38cd72a11fc96
  Author: Linus Torvalds <torvalds@...lon.transmeta.com>
  Date:   Mon Feb 4 17:40:40 2002 -0800

    Import changeset

full-history:

  commit 26245c315da55330cb25dbfdd80be62db41dedb2
  Author: linus1 <torvalds@...lon.transmeta.com>
  Date:   Thu Jan 4 12:00:00 2001 -0600

    Import changeset

and as a consequence all other commits have different shas as well.

Sigh....

Thanks,

	tglx

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