Allows you to rebase all branches onto master at once

git-rebase-all.py

# Get all branches from a GitHub repo
# and rebase them on top of master

import subprocess


def get_branches():
    branches = []
    p = subprocess.Popen(['git', 'branch', '-r'], stdout=subprocess.PIPE)
    for line in p.stdout:
        line = line.decode('utf-8')
        if 'origin/master' in line:
            continue
        branches.append(line.split()[0].split('/')[1])
    return branches


def rebase(branch):
    print('Rebasing branch: {}'.format(branch))
    subprocess.call(['git', 'checkout', branch])
    subprocess.call(['git', 'rebase', 'master'])


def main():
    branches = get_branches()
    for branch in branches:
        rebase(branch)


if __name__ == '__main__':
    main()