#!/usr/bin/env bash

ABSDIR="$( dirname "$(readlink -f -- "$0")" )"
source ${ABSDIR}/../functions.sh
source ${ABSDIR}/vars.sh

ensure_pwd_is_scriptdir
ensure_not_root

buildfolder=/tmp/synapse-$$

if ! podman image exists localhost/matrixdotorg/synapse:${synapse_version}; then
    mkdir ${buildfolder} &&
    curl -sSfL -- "https://github.com/matrix-org/synapse/archive/refs/tags/${synapse_version}.tar.gz" | \tar xz --strip-components 1 -C ${buildfolder}/ && {
	podman run -d --name buildkitd --privileged docker.io/moby/buildkit:latest &&
	curl -sSLf https://github.com/moby/buildkit/releases/download/v0.9.3/buildkit-v0.9.3.linux-amd64.tar.gz | \
	    tar xz -C ~/ bin/buildctl &&
        ~/bin/buildctl --addr=podman-container://buildkitd build \
		       --frontend dockerfile.v0 \
		       --local context=${buildfolder}/ \
		       --local dockerfile=${buildfolder}/docker/ \
		       --output type=oci,name="fixme:synapse_${synapse_version}" | \
                       podman load &&
        podman image tag localhost/synapse_${synapse_version}:latest ${synapse_image}:${synapse_version}
        podman image rm localhost/synapse_${synapse_version}:latest
	podman rm --force buildkitd &&
	podman rmi docker.io/moby/buildkit:latest &&
	rm -f ~/bin/buildctl
    }
    rm -rf ${buildfolder}
fi