Re: git-cvsimport fuzzy commit log matching?

[Pierre Habouzit <madcoder@debian.org>]

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On Tue, Dec 23, 2008 at 11:03:02AM +0000, Christoph Hellwig wrote:
> I'm currently trying to get clean git imports of the XFS userspace
> repositories.  These are funky in the way they were initially kept in
> ptools, and SGI-internal SCM that was built ontop of RCS which changeset
> added ontop.  So we know that commits actually were done in atomic
> changesets.  But ptools has the "nice" feature of allowing both per-file
> and per-changeset commits.   Due to the per-file commits git-cvsimport
> often misdetects a single changeset as multiple individual changes, ala:
> 
> 
> commit 0d47d43b5878c6e7d7b516a793a82f0076d22089
> Author: Barry Naujok <bnaujok@sgi.com>
> Date:   Mon Jul 16 15:52:53 2007 +0000
> 
>     Perform parallel processing based on AG stride/concat unit
>     Merge of master-melb:xfs-cmds:29143a by kenmcd.
> 
>       Queue up AGs per thread based on ag stride
> 
> commit 1fa4685db126fd3071e008a6d18f9d51209ab305
> Author: Barry Naujok <bnaujok@sgi.com>
> Date:   Mon Jul 16 15:52:53 2007 +0000
> 
>     Perform parallel processing based on AG stride/concat unit
>     Merge of master-melb:xfs-cmds:29143a by kenmcd.
> 
>       Handle ag stride command line option and setup threads as required
> 
> commit a73288784e77c2411687f6778adb4c0b0f9dcdff
> Author: Barry Naujok <bnaujok@sgi.com>
> Date:   Mon Jul 16 15:52:53 2007 +0000
> 
>     Perform parallel processing based on AG stride/concat unit
>     Merge of master-melb:xfs-cmds:29143a by kenmcd.
> 
>       Execute bits changed from x-- to ---
>       Queue up AGs per thread based on ag stride
> 
> and so on.
> 
> Any idea how to tell git-cvsimport that if we have exactly the same
> timestamp, and maybe the same author it really is the same changeset and
> we want to merge the commit message?

Why not using a fancy git-filterbranch script to squash them together
instead ? It's probably less work than to try to modify your cvs
importer to work the exact way you want.

-- 
·O·  Pierre Habouzit
··O                                                madcoder@debian.org
OOO                                                http://www.madism.org

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