#!/bin/bash
# vim: ai:ts=8:sw=8:noet
set -EeufCo pipefail
export SHELLOPTS # propagate set to children by default
IFS=$'\t\n'

# check required commands are in place
command -v docker >/dev/null 2>&1 || { echo 'please install docker-client'; exit 1; }

# shellcheck disable=SC2001
REGISTRY=$(echo "${GITHUB_SERVER_URL}" | sed -e 's|^[^/]*//||')
TAG="${GITHUB_RUN_ID}"
IMAGE_NAME="${REGISTRY}/${GITHUB_REPOSITORY,,}:${TAG}"

function cleanup() {
    docker stop "$(docker ps -aq --filter "ancestor=${IMAGE_NAME}")" >/dev/null 2>&1 || true
    docker rm "$(docker ps -aq --filter "ancestor=${IMAGE_NAME}")" >/dev/null 2>&1 || true
    docker buildx rm builder >/dev/null 2>&1 || true
}
trap cleanup EXIT

>&2 echo "Logging to ${REGISTRY}"
mkdir -p ~/.docker
auth=$(printf '%s:%s' "$GITEA_REGISTRY_USER" "$GITEA_REGISTRY_TOKEN" | base64 -w0)
cat > ~/.docker/config.json <<EOF
{"auths":{"${REGISTRY}":{"auth":"${auth}"}}}
EOF

cat > /tmp/buildkitd.toml <<EOF
[registry."${REGISTRY}"]
  http = true
EOF

docker buildx create --name builder \
       --use --bootstrap \
       --config /tmp/buildkitd.toml
docker buildx build \
       --platform linux/amd64,linux/arm64 \
       --tag "${IMAGE_NAME}" \
       --build-arg VERSION="${LT_VERSION}" \
       --push \
       .