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user9474
Asked: 2010-04-09 13:36:17 +0800 CST

How to migrate part of an SVN repository?

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How do you migrate a part of an SVN repository into a new repository?

To migrate the contents of a complete SVN repository into a new repository, one has to dump the old repository first:

svnadmin dump /path/to/repository > repository-name.dmp

and then load it into the new one using svnadmin load.

But I'm not sure how to just migrate a part. Do I still have to dump the whole thing? Do I grep for the part that I want?

To just dump myproject, I tried this, but it didn't work:

svnadmin dump /path/to/repository/myproject

Any ideas?

migration svn

2 Answers

  1. If you want to pull over part of the repository, a particular subdirectory. You'll first need to dump the entire repository, run svndumpfilter to include that directory, and finally load things into a clean repository.

    Lets say you want to move directory Calc, you would do:

    svnadmin dump repos > dumpfile
cat dumpfile | svndumpfilter include Calc > dumpfile-Calc

    Then to load the Calc directory back properly you would do:

    svnadmin create newrepos
svnadmin load Calc < dumpfile-Calc

    This is taken and slightly modified from the docs: http://svnbook.red-bean.com/en/1.0/ch05s03.html

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  2. When I wanted to do this, I simply did an svnadmin dump and an svnadmin load, the same as you did, then I deleted everything else out of the repo.

    The repo was only 3gb in size, so it wasn't such a huge deal, and for security it's not so good as you can obviously undo the deletes by rolling back, but it achieved the same thing, because I couldn't find a way to do it, with keeping the revision history.

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