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RE: Unable to merge

From: Jonathan Ashley <jonathan.ashley_at_praxis-his.com>
Date: Mon, 4 Feb 2008 15:23:09 +0000

> Subject: Unable to merge
>
> Hi,
> i am trying to merge changes from the trunk into my branch.
> So, in the the dialog, i select the trunk directory in the
> From field and select HEAD revision.
> In the To field i select my branch and also the HEAD revision.
> Now, when i click Diff, i see exactly what i expected. It
> lists 4 files that are different.
>
> But neither Merge nor Dry run do anything.
> No files are changed, but the dialog title says it's finished.

That's exactly what you'd usually expect.

The merge command is badly named - it should have been called
'diff-and-apply'. It takes the set of changes needed to turn
the FROM into the TO, and applies that set of changes to the
target working copy.

For your use case, you probably want FROM to be the trunk at
the revision that you split the branch off at, and TO to be the
trunk at revision HEAD. Apply it to a working copy of the
branch. Then, you are applying the changes that have been made
on the trunk since the branch was taken to the branch itself.

If you want to subsequently merge the branch back to the trunk,
you'll need FROM to be the trunk at revision HEAD, TO to be the
branch at revision HEAD, applying to a working copy of the trunk.

It takes a bit of getting used to admittedly, but once it clicks,
it's quite intuitive.

regards,

--
Jon Ashley
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Received on 2008-02-04 16:23:20 CET

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