Get Git Status Info in Python

import subprocess
import json
from pathlib import Path


def get_git_status(repo_path="."):
    """Return basic git info about a repository as a dict."""
    try:
        branch = subprocess.check_output(
            ["git", "branch", "--show-current"],
            cwd=repo_path,
            stderr=subprocess.DEVNULL,
            text=True,
        ).strip()

        status = subprocess.check_output(
            ["git", "status", "--porcelain"],
            cwd=repo_path,
            stderr=subprocess.DEVNULL,
            text=True,
        )

        commits = subprocess.check_output(
            ["git", "rev-list", "--count", "HEAD"],
            cwd=repo_path,
            stderr=subprocess.DEVNULL,
            text=True,
        ).strip()

        return {
            "branch": branch or "(detached)",
            "tracked_changes": len([line for line in status.splitlines() if line]),
            "total_commits": int(commits),
            "is_clean": not status.strip(),
        }
    except subprocess.CalledProcessError:
        return {"error": "Not a git repository"}


if __name__ == "__main__":
    repo_path = Path(__file__).parent if "__file__" in globals() else "."
    result = get_git_status(repo_path)
    print(f"Git info for {repo_path}:")
    print(json.dumps(result, indent=2))