Re: Status of the svn remote helper project (Nov, 2010)

From: Ramkumar Ramachandra <artagnon@gmail.com>
Date: Nov 7, 2010, 12:50 UTC
Message-ID: <20101107125054.GB16474@kytes>
In-Reply-To: <20101107112129.GA30042@burratino>

Hi,

Jonathan Nieder writes:

Show 11 quoted lines

> The svn remote helper project still has a long way to go.  In the
> meantime, the svn-fe plumbing and Tomas's scripted prototype are
> usable.
> 
> Here are some topics that might be roughly in their final form.  If
> you would like to build on one of them, please let me know so I can
> refrain from rewriting that piece of history.
> 
> A merge of these branches is available as
> 
> 	git://repo.or.cz/git/jrn.git vcs-svn-pu

Thanks for doing this! Now we have an up-to-date index that tracks all our work :)

A note to the others: If we merge too early, we will be forced to either stick with bad decisions we made prematurely, or revert them. Therefore, we have decided to develop this on the side, while reporting progress on the list.

> * jn/svndiff0 (2010-11-06) 24 commits

Yeah, this requires some rigorous testing with real-world deltas. I'll probably get some EC2 instaces to churn on it after my $EXAMS are over.

> * db/fast-import-cat-blob (2010-11-07) 3 commits
> As David says: "it has some significant consequences".

rr/remote-helper already uses this, but there might be a better way to do it- we should wait and see.

> * db/svn-fe-dumpfile3 (2010-11-07) 6 commits

You earlier said that it might be possible to justify merging this now provided we supply a wrapper script to make it easy to invoke.

> * rr/svnfe-tests-no-perl (2010-11-07) 1 commit

Ok.

> * jn/wrappers-no-libz (2010-11-06) 7 commits
> * xx/wrappers-no-libz-svndiff0 (2010-11-07) 2 commits

These two are fairly independent of the rest of the series, no? Maybe get these merged separately?

> * db/branch-mapper: $gmane/158375

I've have some mapper ideas from the discussion thread following sb/svn-fe-example. I'll finish it after $EXAMS.

> * tc/remote-helper-usability: $gmane/157860

It has some good ideas that I'm re-using in rr/remote-helper.

> * rr/remote-helper: http://github.com/artagnon/git

First, it's the wrong approach: I've hardcoded FD 3 into run-command to mean backflow. This ugly inelegant design must be thrown away. Second, it's very messy, and half the commits aren't even used.

Anyway, I hope it gets the idea across- there's some functionality I intend reuse from tc/remote-helper-usability. Also, the "fetch" command works so long as fetching from revision 0 is requested. So the immediate priority is to get svn-fe to support incremental imports.

> * sb/svn-fe-example: $gmane/159054

The discussion thread following this has some good observations/ ideas.

-- Ram