clean_merged_branches.py

#!/usr/bin/python

import subprocess

EXCLUDE = ["patrick-video-player-integration"]
GET_MERGED_BRANCHES = ["git", "branch", "--merged"]
DELETE_BRANCH = ["git", "branch", "--delete"]
PRUNE_ORIGIN = ["git", "remote", "prune", "origin"]

def runSubProc(proc):
    return subprocess.Popen(proc, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()

def removeCurrentBranch(branches):
    return filter(lambda b: not b.startswith('*') and len(b) != 0, branches)

def trimBranches(branches):
    return map(lambda b: b.strip(), branches)

def removeExcludes(branches):
    return filter(lambda b: b not in EXCLUDE, branches)

def deleteBranch(branch):
    return runSubProc(sum([DELETE_BRANCH, [branch]], []))

out, err = runSubProc(GET_MERGED_BRANCHES)

print '\n'.join([deleteBranch(b)[0] for b in (removeExcludes(trimBranches(removeCurrentBranch(out.split('\n')))))])
    
print runSubProc(PRUNE_ORIGIN)[0]