#!/bin/bash
# Copyright 2022 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

set -euo pipefail

CCACHE_VERSION="$1"

ARCH="$(uname -m)"
case "${CCACHE_VERSION}:${ARCH}" in
    4.11.2:x86_64)
        CCACHE_SHA256="c97655c75e1e7137d9bc9a9c854220fcbe14f1d7224c64a18c43c70195567ccb"
        ;;
    *)
        echo "Unsupported ccache version/architecture: ${CCACHE_VERSION}/${ARCH}" >&2
        exit 1
        ;;
esac

CCACHE_ARCHIVE="ccache-${CCACHE_VERSION}-linux-${ARCH}.tar.xz"
curl --silent --fail --show-error --location \
    "https://github.com/ccache/ccache/releases/download/v${CCACHE_VERSION}/${CCACHE_ARCHIVE}" \
    --output "${CCACHE_ARCHIVE}"

printf '%s  %s\n' "${CCACHE_SHA256}" "${CCACHE_ARCHIVE}" | sha256sum --check --strict

tar xf "${CCACHE_ARCHIVE}"
cp ccache-${CCACHE_VERSION}-linux-${ARCH}/ccache /usr/local/bin