generate_config.py

import argparse
import os
import sys

import requests
import yaml


def fetch_repos(org: str, token: str | None) -> list[dict]:
    headers = {"Accept": "application/vnd.github+json"}
    if token:
        headers["Authorization"] = f"Bearer {token}"

    repos = []
    page = 1
    while True:
        r = requests.get(
            f"https://api.github.com/orgs/{org}/repos",
            headers=headers,
            params={"type": "public", "per_page": 100, "page": page},
        )
        r.raise_for_status()
        batch = r.json()
        if not batch:
            break
        repos.extend(batch)
        page += 1

    return [r for r in repos if not r["archived"]]


def main():
    parser = argparse.ArgumentParser(
        description="Generate a git-sync config.yaml from a GitHub org's public repos."
    )
    parser.add_argument("source_org", help="GitHub org name (e.g. gbdev)")
    parser.add_argument(
        "destination_org",
        help="Destination org URL prefix (e.g. https://codeberg.org/gbdev)",
    )
    args = parser.parse_args()

    token = os.environ.get("GITHUB_TOKEN")
    if not token:
        print("Warning: GITHUB_TOKEN not set, using unauthenticated requests (lower rate limit)", file=sys.stderr)

    repos = fetch_repos(args.source_org, token)

    config = {
        "repositories": [
            {
                "source": repo["clone_url"],
                "destination": f"{args.destination_org.rstrip('/')}/{repo['name']}",
            }
            for repo in repos
        ]
    }

    print(yaml.dump(config, default_flow_style=False, sort_keys=False), end="")


if __name__ == "__main__":
    main()