Merging a part of SVN repository to another repository with history

Asked 7/4, 2011 at 10:21 Answered 7/4, 2011 at 10:40

Solved svn svnadmin svndump svndumpfilter

I have to svn repositories , lets say A and B. I want to add some of the directories of the B into A along with history.Is it possible to do that. To make more clear, following is the scenario.

    repo A                                repo B
       \branches                          \branches 
             \sub-branch1                      \sub-branch B1
              \sub-branch2                      \sub-branch B2 
       \trunk                             \trunk

What i would like to do is, add sub-branch2 in the branches of repo A. How could do it?

thanks in advance

Racialism answered 7/4, 2011 at 10:21 Comment(0)

Get the dump of sub-branch2 of repoB:

  svnadmin dump /location/of/repoB | svndumpfilter include subbranch2 > my.dump

Merge the dump into branches of repoA:

  svnadmin load /location/of/repoA --parent-dir branches < my.dump

Rudelson answered 7/4, 2011 at 10:40 Comment(4)

I tried it but got disastor, may be i did some wrong.My previous history are all lost. Does the parent-dir specifies to top level directory only. My real architecture of the repository is 1 more level deep than i mentioned there in one question.Can you suggest me if i can revert the process? – Racialism 7/4, 2011 at 11:2

What do you mean by revert? Just delete the directory you don't need from repoA- no change has been made to repoB. The load process must have shown some messages which will help you understand what went wrong. – Rudelson 7/4, 2011 at 11:14

empty revision for padding. is the error i got and the the directory is also not added in the specified directory.Can you please tell me what is the reason for it? – Racialism 7/4, 2011 at 11:57

You can try to remove the empty revisions that are padded with this command: svnadmin dump /location/of/repoB | svndumpfilter --drop-empty-revs --renumber-revs include subbranch2 > my.dump – Rudelson 7/4, 2011 at 12:5

Yes, this is possible. You need to use svnadmin dump and svnadmin load.
For more info, look here: http://blogs.nuxeo.com/dev/2006/04/dump-load-svn-repositories-using-svnadmin-svndumpfilter.html

Tambourine answered 7/4, 2011 at 10:24 Comment(3)

I read the article .It is very helpful.But i have an doubt , how to direct the location of dumped file. I think svnadmin load < p will reside the dumped file into the root location.How can I manupulate the location so that i can keep in the desired location?> – Racialism 7/4, 2011 at 10:42

read my reply for the answer. you can specify a parent directory in svnadmin load command. – Rudelson 7/4, 2011 at 10:44

Use the --parent-dir option to the load command. See jjossarin's answer for an example. – Tambourine 7/4, 2011 at 10:44

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