#!/bin/sh
set -ef
cd "$(dirname "$0")/.."

IMAGE_VERSION="${IMAGE_VERSION:-bookworm-v0.0.1}"
JAVA_VERSION_MAJOR="${JAVA_VERSION_MAJOR:-17}"

set -a
BUILDAH_FORMAT="${BUILDAH_FORMAT:-docker}"
BUILDAH_ISOLATION="${BUILDAH_ISOLATION:-chroot}"
BUILDAH_NETWORK="${BUILDAH_NETWORK:-host}"
set +a

img="docker.io/rockdrilla/graalvm-debian:jre-${JAVA_VERSION_MAJOR}"
img_fq="${img}-${IMAGE_VERSION}"

GRAALVM_BASE_URI="https://download.oracle.com/graalvm/${JAVA_VERSION_MAJOR}/latest"
GRAALVM_BASE_FILE="graalvm-jdk-${JAVA_VERSION_MAJOR}_linux-x64_bin.tar.gz"
GRAALVM_URI="${GRAALVM_BASE_URI}/${GRAALVM_BASE_FILE}"

mkdir -p artifact-cache
[ -s "artifact-cache/${GRAALVM_BASE_FILE}" ] || {
	echo 'build JDK first' >&2
	exit 1
}

w=$(mktemp -d) ; : "${w:?}"

tar -C "$w" --strip-components=1 -xf "artifact-cache/${GRAALVM_BASE_FILE}"
grep -E '^(GRAALVM_VERSION|JAVA_VERSION|JAVA_RUNTIME_VERSION|JAVA_VERSION_DATE)=' < "$w/release" > "$w/relenv"

GRAALVM_VERSION=$( . "$w/relenv" ; echo "${GRAALVM_VERSION:?}")
JAVA_VERSION=$( . "$w/relenv" ; echo "${JAVA_VERSION:?}")
JAVA_RUNTIME_VERSION=$( . "$w/relenv" ; echo "${JAVA_RUNTIME_VERSION:?}")
JAVA_VERSION_DATE=$( . "$w/relenv" ; echo "${JAVA_VERSION_DATE:?}")

rm -rf "$w" ; unset w

buildah bud \
  -f ./Dockerfile.jre \
  -t "${img_fq}" \
  --pull=missing --no-cache \
  --build-arg "IMAGE_VERSION=${IMAGE_VERSION}" \
  --build-arg "JAVA_VERSION_MAJOR=${JAVA_VERSION_MAJOR}" \
  --env "GRAALVM_VERSION=${GRAALVM_VERSION}" \
  --env "JAVA_VERSION=${JAVA_VERSION}" \
  --env "JAVA_RUNTIME_VERSION=${JAVA_RUNTIME_VERSION}" \
  --env "JAVA_VERSION_DATE=${JAVA_VERSION_DATE}" \


podman tag "${img_fq}" "${img}"