System Initiative

#!/usr/bin/env python3
"""
Executes a Buck2 BXL script.
"""
# The original inspiration for this implementation comes from the Buck2 issue
# tracker, thanks to: https://github.com/facebook/buck2/issues/86
import argparse
import os
import sys


def main() -> int:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument(
        "script",
        help="BXL Script",
    )
    parser.add_argument(
        "args",
        help="Additional script CLI arguments",
        nargs=argparse.REMAINDER,
    )
    args = parser.parse_args()

    script = args.script
    cmd = ["buck2", "bxl", f"bxl//top.bxl:{script}", "--"] + args.args
    os.execvp(cmd[0], cmd)


if __name__ == "__main__":
    sys.exit(main())