Sep 25 2015
Apr 4 2015
Apr 2 2015
I haven't tested it. Essentially same issues as git subtree, looks like. Useful to know it exists.
Mar 21 2015
Just tested git subtree. It duplicates all code in the main repository. I don't think it would make things any simpler.
http://blogs.atlassian.com/2013/05/alternatives-to-git-submodule-git-subtree/ (git-subtrees are another option)
Mar 20 2015
Feb 12 2015
The only option that comes to mind is to delete the git tags that are using the old naming scheme and to archive them in another git repository.