Prepare commit message for merge

prepare-commit-msg

#!/usr/bin/env python3

import sys
import fileinput
import re

if sys.argv[2] == "merge":
    with fileinput.input(sys.argv[1], inplace=True) as f:
        for line in f:
            if line.startswith("Merge branch"):
                print("Merge")
                print()
                for b in re.findall("'(.+?)'", line):
                    print(f"* {b}")