From: Michael J Gruber <michaeljgruber+gmane@fastmail•fm>
To: git@vger•kernel.org
Cc: normalperson@yhbt•net, asankha@wso2•com
Subject: Re: Errors importing Apache Synapse SVN using Git
Date: Mon, 14 Jul 2008 11:14:33 +0200 [thread overview]
Message-ID: <487B18F9.5090908@fastmail.fm> (raw)
In-Reply-To: <20080714081615.GB10304@hand.yhbt.net>
Eric Wong venit, vidit, dixit 14.07.2008 10:16:
> Michael J Gruber <michaeljgruber+gmane@fastmail•fm> wrote:
>> Asankha C. Perera venit, vidit, dixit 10.07.2008 14:01:
>>> Hi All
>>>
>>> I am an Apache Synapse developer, and want to import the Synapse SVN
>>> repo into Git, so that Ohloh can properly get the Synapse history
>>> (http://www.ohloh.net/topics/1326?page=1#post_6287)
>>>
>>> However, when I try the command: "git svn clone --trunk=trunk
>>> --tags=tags --branches=branches http://svn.apache.org/repos/asf/synapse"
>>> it seems to take forever, (or at least until the next network glitch),
>>> and keeps filling up a file with just plain zeros ("0") :
>>> ./.git/svn/trunk/.rev_db.13f79535-47bb-0310-9956-ffa450edef68
>
> The latest versions of git-svn should be vastly more space efficient
> with .rev_map files.
>
>> Okay, besides the zero offset, there seems to be big problem with the
>> svn repo:
>>
>> svn list -r 234478 http://svn.apache.org/repos/asf/synapse
>> branches/
>> site/
>> tags/
>> trunk/
>>
>> svn list -r 234478 http://svn.apache.org/repos/asf|grep synapse
>
> Ah, that's because it started off in the /incubator directory, not /synapse:
>
> $ svn log -v -r 234478 http://svn.apache.org/repos/asf
> ------------------------------------------------------------------------
> r234478 | dims | 2005-08-22 05:39:51 -0700 (Mon, 22 Aug 2005) | 3 lines
> Changed paths:
> A /incubator/synapse/branches
> A /incubator/synapse/site
> A /incubator/synapse/tags
> A /incubator/synapse/trunk
>
> init synapse SVN
Yes, and later on there was some more moving around to
"webservices/synapse/synapse", ".../syaps2", ".../synapse" (i.e.
renaming "synapse/synapse" to "synapse") and then to the final destination.
Some svn client command know how to follow moves, other don't. I can't
make them return results by using peg revisions, but I don't know how
git-svn handles them.
> ------------------------------------------------------------------------
>
>> Right, nothing returned.
>>
>> git-svn insists on using http://svn.apache.org/repos/asf as the base
>> URL, which is basically correct, but doesn't work for this repo.
>>
>> Even editing .git/config and .git/svn/metadata (after git svn init,
>> befire the first fetch) to change the url doesn't help. git svn still
>> uses .../asf. Is this as intended? cc'ing the git svn author.
>
> Can you try using the latest git-svn and also --no-follow-parent?
>
> --no-follow-parent won't traverse copy history so it may be faster,
> but you'll get an incomplete history.
>
> On the other hand, it looks like the asf repo is hopelessly slow
> for history retrieval.
>
> I'm pulling the asf log (svn log -v http://svn.apache.org/repos/asf >
> tmp.log) but it's taking forever... git-svn uses basically the same
> operation as 'svn log -v' and I've yet to see an SVN server take this
> long to show history.
>
> I've gotten 70,000 revisions after over one hour with the above svn log
> command. I'm going to restart this from a server with a better
> connection since I need to power off this one when I sleep.
Note that I'm not the OP, I'm just a git-svn user who got curious about
that post. I think the asf repo shows exactly those mistakes which svn
drives its users into (and which I've made also, on a much smaller
scale, of course). As far as I understand, the synapse repo there is
historical, and they need to convert to git in order to feed it into a
CMS. I don't know if OP is still interested.
Michael
prev parent reply other threads:[~2008-07-14 9:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4875F5D6.9080906@wso2.com>
2008-07-10 12:01 ` Errors importing Apache Synapse SVN using Git Asankha C. Perera
2008-07-10 12:59 ` Michael J Gruber
2008-07-10 22:02 ` Björn Steinbrink
2008-07-11 11:54 ` Michael J Gruber
2008-07-14 8:16 ` Eric Wong
2008-07-14 9:14 ` Michael J Gruber [this message]
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