# Copyright (c) 2023 The Regents of the University of California
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# neither the name of the copyright holders nor the names of its
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"""
Obtain a resource from gem5 resource.

Usage
-----

```sh
scons build/ALL/gem5.opt -j$(nproc)
build/ALL/gem5.opt util/obtain-resource.py <resource_id> [-p <path>] [-q]
# Example:
# `build/ALL/gem5.opt util/obtain-resource.py arm-hello64-static -p arm-hello`
# This will download the resource with id `arm-hello64-static` to the
# "arm-hello" in the CWD.
```
"""

if __name__ == "__m5_main__":
    import argparse

    from gem5.resources.resource import obtain_resource

    parser = argparse.ArgumentParser()

    parser.add_argument(
        "id",
        type=str,
        help="The resource id to download.",
    )

    parser.add_argument(
        "-p",
        "--path",
        type=str,
        required=False,
        help="The path the resource is to be downloaded to. If not specified, "
        "the resource will be downloaded to the default location in the "
        "gem5 local cache of resources",
    )

    parser.add_argument(
        "-q",
        "--quiet",
        action="store_true",
        default=False,
        help="Suppress output.",
    )

    args = parser.parse_args()

    resource = obtain_resource(
        resource_id=args.id,
        quiet=args.quiet,
        to_path=args.path,
    )

    if not args.quiet:
        print(f"Resource at: '" + str(resource.get_local_path()) + "'")

    exit(0)

print("Error: This script is meant to be run with the gem5 binary")
exit(1)