Retrieve git rev, short and tag

git_helper.py

import subprocess
from typing import Optional
 
 
def get_git_revision_hash() -> str:
    return subprocess.check_output(['git', 'rev-parse', 'HEAD']).decode('ascii').strip()
 
def get_git_revision_short_hash() -> str:
    return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode('ascii').strip()
 
def get_git_tag() -> Optional[str]:
    res = subprocess.check_output(['git', 'describe', '--tags']).decode('ascii').strip()
    if res is None: return None
    if len(res) == 0: return res
    if '-' in res: return res.split('-')[0]
    return res