Fetch Pull Rebase Workflow Script in Python

import subprocess
import sys


def run_git_command(args: list[str]) -> str:
    """Run a git command and return its stdout, or raise on failure."""
    result = subprocess.run(
        ["git", *args],
        capture_output=True,
        text=True,
        check=False,
    )
    if result.returncode != 0:
        print(f"Error: git {' '.join(args)} failed:\n{result.stderr}", file=sys.stderr)
        sys.exit(1)
    return result.stdout.strip()


def fetch_pull_rebase(remote: str = "origin", branch: str = "main") -> None:
    """Mock a fetch-and-rebase workflow using real git commands."""
    print(f"Fetching from {remote}...")
    run_git_command(["fetch", remote])

    print(f"Checking out {branch}...")
    run_git_command(["checkout", branch])

    print(f"Pulling with rebase from {remote}/{branch}...")
    run_git_command(["pull", "--rebase", remote, branch])

    print("Workflow completed successfully.")


if __name__ == "__main__":
    # Example invocation — replace with your actual remote/branch as needed
    fetch_pull_rebase("origin", "main")