Re: move files between disparate repos and maintain version history

[Peter Baumann <waste.manager@gmx.de>]

On Tue, Mar 03, 2009 at 01:08:17PM -0500, David Copeland wrote:
> The patch file looks correct.  I'm wondering if this is a result of
> both repos being connected to svn?
> 
> my process was:
> 
> - format patch
> - go to other repo

> - git svn rebase

This will change the date of commits already in svn because it uses
git rebase (with all its problems, see its manpage)

> - apply patch
> - git svn dcommit
> 
> Could dcommit change the dates since, to svn, they are appear as
> commits right now?
> 
> Dave
> 
> On Tue, Mar 3, 2009 at 12:18 PM, Jeff King <peff@peff.net> wrote:
> > On Tue, Mar 03, 2009 at 11:58:42AM -0500, David Copeland wrote:
> >
> >> The first option worked, insomuch the history of diffs is preserved,
> >> but the dates are all today.
> >
> > That's odd. It works fine here. Can you confirm that the correct dates
> > in the "patches" file (i.e., the output of format-patch)? What are you
> > using to look at the patches? Note that gitk will show you both the
> > "committer" and the "author" fields. The "author" field should have the
> > original author and time of the patch, but the "committer" will be you,
> > today.
> >
> >> The second option was a little over my head; is the idea there that
> >> you are setting up a branch that has ONLY the files I care about (with
> >> all their history), and then I pull from the other repo as if they are
> >> related?  That seems like it might preserve the dates...
> >
> > Yes, that is exactly what is happening in the second example.
> >
> > -Peff