# TODO implement sha256sum attribute + checksum verification

def _fetch_file_impl(ctx):
    out_file = ctx.actions.declare_file(ctx.attr.filename)
    ctx.actions.run_shell(
        outputs = [out_file],
        command = "curl -Lso \"$1\" \"$2\"",
        arguments = [out_file.path, ctx.attr.url],
        execution_requirements = {
            "requires-network": "1",
        },
        progress_message = "Downloading plugin %s" % ctx.attr.filename,
    )
    return [DefaultInfo(files = depset([out_file]))]

fetch_file = rule(
    implementation = _fetch_file_impl,
    attrs = {
        "url": attr.string(mandatory = True),
        "filename": attr.string(mandatory = True),
    },
)