Mirroring a git repo

update-a-git-mirror.sh

git clone --bare https://github.com/project/repo.git
cd repo
git push --mirror ssh://git@bitbucket/lib/new-repo.git

#f this results in the following error, go to step 4: 
#You are attempting to update refs that are reserved for Bitbucket's pull request functionality. Bitbucket manages these refs automatically, and they may not be updated by users.
#remote: Rejected refs:
#remote:     refs/pull-requests/1/from

git push ssh://git@bitbucket/lib/new-repo.git
git push --tags ssh://git@bitbucket/lib/new-repo.git