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Re: What about cvs2svn?

From: Daniel Berlin <dberlin_at_dberlin.org>
Date: 2002-06-18 16:54:44 CEST

On Tuesday, June 18, 2002, at 10:49 AM, Ben Collins-Sussman wrote:

> Brandon Ehle <azverkan@yahoo.com> writes:
>
>> Karl Fogel wrote:
>>
>>> Josef Wolf <jw@raven.inka.de> writes:
>>>
>>>> What is the state of cvs2svn? Have anyone managed to transfer real
>>>> repositories? The readme dont say much about the
>>>> stability/reliability. I tried it today but it complained about
>>>> missing rcsparse. Where can I get this file? How do I install it? I am
>>>> not a python programmer, so please excuse if this are stupid questions
>>>>
>>>
>>> Still under development, not ready for real-world use, maybe possibly
>>> ready for testers who don't mind supplying missing code :-). I'll
>>> defer to those who work on it to give a more detailed answer.
>>>
>>>
>> What needs to be done and how do I start?
>
> The cvs2svn recipe is as follows:
>
> 1. need a way for python to read a CVS repository.
> 2. need a way for python to write to an SVN repository.
> 3. write cvs2svn.py
>
> Ingredient #1 already exists: it's called rcsparse.py. It's the
> python library that ViewCVS uses to read the RCS files in a cvs
> repository.
>
> Ingredient #2 is recently completed by gstein: he's used SWIG to
> generate python bindings for libsvn_repos and libsvn_fs. Now python
> can build svn repository transactions and do direct commits. (He has
> a sample programs for this.)

Hey now, I had a hand in this too!

>
> Step 3 is the last big hurdle. cvs2svn.py is only partly functional.
> IIRC, the script still needs to be taught to recognize and preserve
> branches and tags, which is a hard design problem. gstein can talk
> more about the state of the program, and what needs to be done.
>
It's actually not all that *hard*, just *annoying* to implement.
:)

> In theory, gstein and I are planning to devote some serious time to
> this tool, starting in about a month. But if you want to start
> playing with it earlier, go for it!
>

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Received on Tue Jun 18 16:55:33 2002

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