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#!/usr/bin/env python | |
""" | |
Makes it easy to pick a reviewer by showing who authored lines you changed | |
in a commit. You better have `git findreviewers` installed. | |
This is a Python script because every single time I try to write a shell | |
script, I regret it and have to rewrite. | |
""" | |
import re | |
import subprocess | |
import sys | |
debug = False | |
def log(s): | |
if debug: | |
print s | |
log('prepare-commit-msg debug') | |
if subprocess.call(['git', 'symbolic-ref', '-q', 'HEAD']): | |
# exit code 1 (error) means no HEAD | |
print "detached head, probably a rebase" | |
sys.exit(0) | |
if len(sys.argv) > 3: | |
log("looks like an amend: '{}'".format(sys.argv[3])) | |
sys.exit(0) | |
log('$3 is empty, so this is probably a regular commit!') | |
with open(sys.argv[1], 'r') as f: | |
message = f.read() | |
if "Differential Revision:" in message: | |
log('looks like phabricator') | |
sys.exit(0) | |
if re.search(r'(Auditor|Reviewer)s?:\s*\w', message, re.IGNORECASE): | |
log('reviewer already specified') | |
sys.exit(0) | |
with open(sys.argv[1], 'a') as f: | |
f.write("# Reviewers:\n") | |
authors = subprocess.check_output(['git', 'findreviewers']) | |
for a in (a for a in authors.split('\n') if a): | |
f.write("# ") | |
f.write(a) | |
f.write("\n") |
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