#!/usr/bin/env python3

import subprocess
import sys
import time

def x(cmd):
    return subprocess.check_output(cmd, shell=True)

uncommitted = x('git status --porcelain=v1 -- .')
dirty = len(uncommitted) > 0

if dirty:
    commithash = x('git --no-pager log -n 1 --pretty=tformat:"%h" -- .').strip()
    timestamp = int(time.time())
else:
    (commithash, timestamp) = x('git --no-pager log -n 1 --pretty=tformat:"%h %ct" -- .').strip().split()
    timestamp = int(timestamp)

commithash = commithash.decode('utf-8')
timestamp = time.strftime("%Y%m%d%H%M%S", time.gmtime(timestamp))
print(f'_git{timestamp}')