rename git branch

git-rename.sh

#! /bin/sh
#
# under aliases, add `rename = !~/path/to/git-rename/.sh`
# then to rename the current branch use `git rename <new branch name>`
#

old_branch=$(git rev-parse --abbrev-ref HEAD);
new_branch="$@"

git branch -m $old_branch $new_branch        # Rename branch locally
git push origin :$old_branch                 # Delete the old branch
git push --set-upstream origin $new_branch   # Push the new branch, set local branch to track the new remote