Git/SVN interop (preserving histories for both repositories)

I'm developing a software module for an application, owned by a customer with SVN-based development process. Up to now, I have been used my own Git repository in doing so.

Now, the module is mature enough to become part of the clients SVN tree. I did some git-svn based work in the past, but never with two initially independent repositories (the git part was always a clone taken from SVN).

Is it possible to 'inject' a standalone git repos开发者_C百科itory into a Subversion repository and let also his history become part of the SVN's repo? After that 'normal' work with git-svn on top of SVN should follow.

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I would suggest the following:

1. git svn clone the Subversion repository

2. Add your existing git repository as a remote (let's call it mod) in the git-svn repo

3. Fetch your module work into the git-svn repo and checkout into a new branch:

   git fetch mod && git checkout mod/master -b mod-svn

4. Rebase that branch against the latest from subversion with git svn rebase. At this point you should have a linear history with everything from Subversion followed by all your module work.

5. git svn dcommit to save your module work into Subversion