#!/usr/bin/env python3
# Copyright 2025 The Dawn & Tint Authors
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import argparse
import os
import subprocess
import sys

SCRIPT_DIR = os.path.dirname(__file__)
CMD_DIR = os.path.join(SCRIPT_DIR, 'src', 'cmd')
DAWN_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))

sys.path.insert(0, DAWN_ROOT)

from tools.python import cipd_deps


def _get_available_tools() -> list[str]:
    return os.listdir(CMD_DIR)


def main() -> int:
    parser = argparse.ArgumentParser(
        description='Builds and runs the specified Go tool in //tools/src/cmd',
        add_help=False)
    parser.add_argument(
        'tool_name',
        help='The name of the tool under //tools/src/cmd to run',
        choices=_get_available_tools())
    args, unknown_args = parser.parse_known_args()

    go_binary = os.path.join(DAWN_ROOT, 'tools', 'golang',
                             cipd_deps.get_cipd_platform(), 'bin', 'go')
    if sys.platform == 'win32':
        go_binary += '.exe'

    cmd = [
        go_binary,
        'run',
        os.path.join(CMD_DIR, args.tool_name),
    ]
    cmd.extend(unknown_args)

    proc = subprocess.run(cmd, check=False, cwd=DAWN_ROOT)
    return proc.returncode


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