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Git + Python

Automate Git from Python — diffs, hooks, release tags, and repo housekeeping.

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How to Mock Git Pre-commit Hooks (black and ruff) in Python

Mock subprocess to test black and ruff pre-commit commands without actually running them, verifying exit codes.

git pre-commit mocking
Python 
import sys
import subprocess
from unittest.mock import patch

def run_hook(command: list[str]) -> int:
    with patch("subprocess.run") as mock_run:
        mock_run.return_value.returncode = 0
        mock_run.return_value.stdout = f"Mocked: {' '.join(command)}"
        result = subprocess.run(command, capture_output…
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