Importing Git repository to a SVN repository

Create Subversion-aware Git clone

Naturally, your official source tree lives on some Git-capable server, which we denote by $GIT_REPO. The create a folder and clone your destination SVN location in Git. After that we fetch the original source from our Git repository:

$ git svn clone --username you https://your-project.yourhost.com/svn/trunk
$ cd trunk
$ git fetch $GIT_REPO

The Subversion repository must be nonempty. A new Google Code project contains one revision by default, but if you reset it, you should also create a first revision.

Create a temporary branch for the fetched repository, and tag its head:

$ git branch tmp $(cut -b-40 .git/FETCH_HEAD)
$ git tag -a -m "Last fetch" last tmp

Apply initial commit

Unfortunately, Git treats the initial commit specially, and in particular, cannot rebase it. Work around this as follows:

$ INIT_COMMIT=$(git log tmp --pretty=format:%H | tail -1)
$ git checkout $INIT_COMMIT .
$ git commit -C $INIT_COMMIT

Rebase and submit

Apply all the other commits to the temporary branch, and make it the new master branch:

$ git rebase master tmp
$ git branch -M tmp master

Lastly, commit the changes to Google Code:

$ git svn dcommit

To more faithfully represent deleted subdirectories and copies of unmodified files, run dcommit with the options \--rmdir and \--find-copies-harder. Be aware the latter option can be expensive.

More information

The importing guide is taken from the GoogleCode plattform, see here for more informations:

http://code.google.com/p/support/wiki/ImportingFromGit