Git fetch all branches and move to another remove repository

git-fetch-all-and-migrate.sh

# git clone 
git clone git@xxx1

# fetch all remove branches name
for remote in `git branch -r`; do git branch --track ${remote#origin/} $remote; done

# add the new remove repository
git remote add new-origin git@xxx2

# push all sources and tags
git push --all new-origin
git push --tags new-origin