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From: Eric Raymond <esr@thyrsus•com>
To: Gabriel Filion <lelutin@gmail•com>
Cc: Thomas Rast <trast@student•ethz.ch>, git@vger•kernel.org
Subject: Re: Three issues from a Subversion-to-git migration
Date: Mon, 29 Mar 2010 14:01:58 -0400	[thread overview]
Message-ID: <20100329180158.GB12922@thyrsus.com> (raw)
In-Reply-To: <4BB0CDEC.8000708@gmail.com>

Gabriel Filion <lelutin@gmail•com>:
> > 1. Turn unmodified tag directories into git tags
> > 2. Turn odified tags into branches.
> > 3. Recognize when a formerly unmodified tag has been modified, remove
> >    the git tag, and turn it into a branch.
> 
> The 3rd point seems a bit weird to me.. users don't expect tags to
> disappear magically. Especially if it's done during a fetch while working.

A reasonable objection.
 
> Here's how I would change the scenario:
> 
> 1. For each creation of a sub-directory in SVN's tag directory, create a
> git tag on the revision that was referenced by the directory copy in SVN.
> 2. If (and only if) there are later modifications in the tag directory,
> create a branch starting from that tag.
> 
> This way, the tag would be there but a branch would hold modifications
> based on code at this point, if there is any.

That would work for me.
 
> The problem with my scenario, though is that it doesn't take care of tag
> creation + modification in the same commit (yuukkkk, but it's possible
> that it exists somewhere). If it could be possible to verify if
> modifications were made during the tag creation, then we could make the
> case hit both points.

Doesn't seem like that should be difficult.

> The other big "thing" is that it expects a certain correct separation
> into different directories (e.g. trunk/ tags/ branches/ ), which SVN
> doesn't enforce.

Are you suggesting that branch directory copies should be handled with
the same rule? I think I could live with that.
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>

      reply	other threads:[~2010-03-29 18:02 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-26 12:09 Three issues from a Subversion-to-git migration Eric Raymond
2010-03-29  9:00 ` Thomas Rast
2010-03-29  9:10   ` Eric Raymond
2010-03-29  9:32     ` Thomas Rast
2010-03-29 10:26       ` Eric Raymond
2010-03-29 15:57     ` Gabriel Filion
2010-03-29 18:01       ` Eric Raymond [this message]

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