git-branchls

git-branchls

#!/usr/bin/env python

# Lists all the local branches, short sha, and how many days ago the last
# commit on the tip of that branch was.
#
# This makes it easier to identify and clean up branches that have landed.


import subprocess
import sys
import datetime


GITCMD = '/usr/bin/git'


def get_details(ref):
    last_commit = subprocess.check_output(
        [GITCMD, 'show', '--format=%h::%at', ref])
    last_commit = last_commit.splitlines()[0].split('::')
    datestamp = datetime.datetime.fromtimestamp(int(last_commit[1]))
    age = datetime.datetime.now() - datestamp
    return (ref, last_commit[0], age, datestamp)


def main(argv):
    output = []
    branches = subprocess.check_output([GITCMD, 'branch'])
    for mem in branches.splitlines():
        mem = mem.lstrip('*').strip()
        output.append(get_details(mem))

    output.sort(key=lambda mem: -mem[2])

    for mem in output:
        print '%-30s %-8s %s (%s)' % mem


if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))