Cleanup old branches in local git repo

git_cleanup.sh

#! /bin/bash

# Switch back to master
git checkout master

# Delete all local branches besides master
for branch in `git branch | grep -v 'master'`
do
    git branch -D $branch
done

# Delete all remote tracking branches besides origin/master
for branch in `git branch --remotes | grep -v 'origin/master'`
do
    git branch --remotes -D $branch
done

# Now re-fetch all the remote tracking branches that still exist
git pull