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- """Git utilities, adopted from mypy's git utilities (https://github.com/python/mypy/blob/master/mypy/git.py)."""
- from __future__ import annotations
- import os
- import subprocess
- def is_git_repo(dir: str) -> bool:
- """Is the given directory version-controlled with git?"""
- return os.path.exists(os.path.join(dir, '.git'))
- def have_git() -> bool:
- """Can we run the git executable?"""
- try:
- subprocess.check_output(['git', '--help'])
- return True
- except subprocess.CalledProcessError:
- return False
- except OSError:
- return False
- def git_revision(dir: str) -> str:
- """Get the SHA-1 of the HEAD of a git repository."""
- return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'], cwd=dir).decode('utf-8').strip()
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