Function _git_rev_parse_head

plugins/security-guidance/hooks/gitutil.py:32–43

Return the current HEAD SHA, or None if not a git repo / no commits.

(cwd)

def _git_rev_parse_head(cwd):
    """Return the current HEAD SHA, or None if not a git repo / no commits."""
    try:
        result = subprocess.run(
            [*GIT_CMD, "rev-parse", "HEAD"],
            cwd=cwd, capture_output=True, text=True, timeout=5
        )
        if result.returncode == 0 and result.stdout.strip():
            return result.stdout.strip()
        return None
    except (subprocess.TimeoutExpired, FileNotFoundError, OSError):
        return None