Prefix CFY-XXX to commit messages

commit-msg

#!/bin/python

import re
import subprocess
import sys

CURRENT_BRANCH_CMD = 'git symbolic-ref --short HEAD'
JIRA_ISSUE_REGEX = '(CFY-\d+)-.*?'

output_message_path = sys.argv[1]
branch_name = subprocess.check_output(
    CURRENT_BRANCH_CMD.split(' ')).decode('utf-8')

match = re.match(JIRA_ISSUE_REGEX, branch_name)
if match:
    jira_issue = match.group(1)
    with open(output_message_path) as f:
        current_message = f.read()
    if not current_message.startswith(jira_issue):
        with open(output_message_path, 'w') as f:
            f.write('{0} {1}'.format(jira_issue, current_message))