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RE: Merge problem after changing directory tree structure

From: Derek Mahar <DMahar_at_penson.ca>
Date: 2004-03-30 21:07:03 CEST

By the way, would you please explain to me or refer me to an explanation
of the difference between the "-r x:y URL" and "URL@x URL@y" revision
addressing syntax? I'd like to understand better why

svn merge $REPOS/project/a/branches/branch1@2 \

merges correctly, but

svn merge -r2:HEAD $REPOS/project/b/branches/branch1

does not.


-----Original Message-----
From: Ben Collins-Sussman [mailto:sussman@collab.net]
Sent: March 30, 2004 1:22 PM
To: Derek Mahar
Cc: users@subversion.tigris.org
Subject: RE: Merge problem after changing directory tree structure

On Tue, 2004-03-30 at 12:10, Derek Mahar wrote:
> Given the following, how do I merge directory 'new' on branch1 into a
> working copy of $REPOS/project/b/trunk? Notice that *after* I created

> branch1, I renamed ancestor directory 'a' to 'b'.
> svnadmin create /home/svn/test REPOS=https://localhost/subversion/test
> mkdir project
> mkdir -p project/a/trunk
> mkdir -p project/a/branches
> svn import -m 1 $REPOS
> svn copy -m 2 $REPOS/project/a/trunk $REPOS/project/a/branches/branch1
> svn mkdir -m 3 $REPOS/project/a/branches/branch1/new
> svn rename -m 4 $REPOS/project/a $REPOS/project/b
> svn co $REPOS/project/b/trunk work
> cd work
> svn merge -r 3:HEAD $REPOS/project/b/branches/branch1
> Output:
> svn: REPORT request failed on '/subversion/test/!svn/vcc/default'

I assume you want the merge to (a) create the 'new' directory, and (b)
merge every change that has ever happened in that directory, right?

svn merge $REPOS/project/a/branches/branch1@2 \

In other words, you're asking the server to compare two directories: a
snapshot of 'branch1' when it was first created (or at least the way it
looked just before you added the new directory to it), and a snapshot of
the same directory as it looks in HEAD.

Like 'svn diff', 'svn merge' doesn't know how automatically follow copy
history. This is issue #1093, one of our high-priority bugs. In a
perfect world, you'd be able to run

   svn [diff|merge] -r2:HEAD $REPOS/project/b/branches/branch1

...and diff/merge would just automatically "know" that the branch1
directory was at a different location in r2.
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Received on Tue Mar 30 21:08:07 2004

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