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From Nico Kadel-Garcia <nka...@gmail.com>
Subject Re: Migrating ClearCase data to Subversion
Date Sat, 16 Nov 2013 15:50:42 GMT
I've wound up doing a stack of source control migrations to SVN. I may
be in a minority, but in general, *don't*. Do a flat export of the
last timestamped copy, and add them to a Subversion tag in one step.
Lock the tag, and then set a new trunk from that tag. This allows a
number of very useful features:

    * Discard old material, especially with passwords or bulky binary
images, before putting it in Subversion. Subversion does not support
clearing out sensitive or inappropriately recorded data.
   * Update the layout first to Subversion's trunk, tags, and branches
to create your new workflow.
   * Set the "svn:eol" and "svn:keywords" consistently at "add" time.

You can then keep the old ClearCase server around, in read-only mode,
if anyone feels a burning need for the old logs. But for most
projects, preserving that amount of logs in the Subversion repository
itself turns into a lot of engineering time better spent elsewhere.

Note that this is *my* favored approach: others consider the old logs
and layouts and individual merges to be vital and may have better
suggests for keeping it.


On Fri, Nov 15, 2013 at 5:47 PM, Olivier Antoine
<oliviera201304@gmail.com> wrote:
> Hi,
>
> I could not find a tool or an automated way to migrate ClearCase vobs to SVN
> repositories. I guess there is not any perfect tool to do this.
>
> I don't think I can use timestamp to build revisions, like for migration cvs
> to svn.
>
> On the other hand, the real need is to migrate main to trunk, to migrate the
> other branches, probably just for the interesting file/directory versions -
> the labelelled ones. I have to migrate the ClearCase labels to SVN tags.
> I guess it is not possible to migrate the merge history.
>
> Could you help, please ?
>
> Olivier
>

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