Awesome. Could you drop the text below into a file somewhere, for
future archeologists?
On Sat, Nov 14, 2009 at 22:08, C. Michael Pilato <cmpilato_at_collab.net> wrote:
> Karl Fogel wrote:
>> Blair Zajac <blair_at_orcaware.com> writes:
>>> I think that's what Michael did.
>>>
>>> https://issues.apache.org/jira/browse/INFRA-2321?focusedCommentId=12776647&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12776647
>>
>> Fascinating. So he did. The history's a bit wonky around the time of
>> the switchover. For example, this was r2:
>>
>> http://svn.collab.net/viewvc/svn-complete?view=revision&revision=3657
>>
>> But http://svn.collab.net/viewvc/svn-complete?view=revision&revision=3656
>> is not quite the same as r1. No matter; it's still cool :-).
>
> The CVS repository had some trailing revisions which occurred after the
> switchover. Most of them were commits to www/ (which we manually mirrored
> based on our subversion commits to trunk/www/). A couple of them were
> things like system-wide automated tweaks to www/robots.txt made by CollabNet
> folk. Also, we had real tags and branches in our CVS repos that we didn't
> bring with us into Subversion. So what I did was this:
>
> 1. Converted all the CVS history to Subversion (into repos 'svn-from-cvs')
>
> 2. Dumped all the revisions from 'svn-from-cvs' up to the switchover time
> (r1:3654) -- *not* the extra/duplicate revs mentioned above -- and loaded
> them into a new repos, 'svn-complete'.
>
> 3. Committed the deletion of all our tags and branches, leaving the
> directories themselves, from 'svn-complete'.
>
> 4. Since r1 in the 'svn' repos was a massive import, that would have
> clashed mightily being loaded atop already-existing files and directories in
> 'svn-complete'. So I checked out svn-complete/trunk_at_HEAD, then exported
> svn/trunk_at_r1 atop it. The local mods were the small delta between what we
> got outta CVS on August 31, 2001, and what we put into Subversion. They
> were mostly the result of $Date$ keyword formatting differences. I
> committed those local mods, which now brought 'svn-complete' in sync with
> 'svn_at_r1' *except* that 'svn-complete' still had empty tags and branches
> directories (whereas we didn't create those in the 'svn' repository until
> later when we needed them).
>
> 5. Dumped -r2:531 of 'svn', loading into 'svn-complete'.
>
> 6. Made r532 from 'svn' a no-op in 'svn-complete', since that was the
> revision in which we created the tags/ directory.[1]
>
> 5. Dumped -r533:1236 of 'svn', loading into 'svn-complete'.
>
> 7. Made r1237 from 'svn' a no-op in 'svn-complete', since that was the
> revision in which we created the branches/ directory.[2]
>
> 8. And then dumped the rest of 'svn', loading into 'svn-complete'.
>
> I'm actually pretty happy with the stitchwork.
>
> -- C-Mike
>
> [1] http://svn.collab.net/viewvc/svn-complete?view=revision&revision=4187
> [2] http://svn.collab.net/viewvc/svn-complete?view=revision&revision=4892
>
> --
> C. Michael Pilato <cmpilato_at_collab.net>
> CollabNet <> www.collab.net <> Distributed Development On Demand
>
> ------------------------------------------------------
> http://subversion.tigris.org/ds/viewMessage.do?dsForumId=462&dsMessageId=2418059
------------------------------------------------------
http://subversion.tigris.org/ds/viewMessage.do?dsForumId=462&dsMessageId=2418068
Received on 2009-11-15 06:14:03 CET