Sync git fork repo

sync-fork-git.sh

# add remove
git remote add upstream https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git
git remote -v

# checkout master and delete other branches
git checkout master
git branch | grep -v master | xargs git branch -D

# sync master
git fetch upstream
git checkout master
git rebase upstream/master
git push
git push --tags

# sync other branches
for brname in `git branch -r | grep upstream | grep -v master | grep -v HEAD | sed -e 's/.*\///g'`; do git branch --track $brname  upstream/$brname ; done
git push --all origin
git push --tags origin

# delete all local branches except master
git branch | grep -v master | xargs git branch -D

# delete remote branch
git push origin --delete origin/v2