#!/bin/bash

# Exit early if we don't want to build the image
if [[ "${BUILD_ASSETS_IMAGE}" != "true" ]]
then
    exit 0
fi

# Generate the image name based on the project this is being run in
ASSETS_IMAGE_NAME=$(echo ${CI_PROJECT_NAME} |
   awk '{
    split($1, p, "-");
    interim = sprintf("%s-assets-%s", p[1], p[2]);
    sub(/-$/, "", interim);
    print interim
  }'
)

ASSETS_IMAGE_PATH=${CI_REGISTRY}/${CI_PROJECT_PATH}/${ASSETS_IMAGE_NAME}

mkdir -p assets_container.build/public
cp -r public/assets assets_container.build/public/
cp Dockerfile.assets assets_container.build/
docker build -t ${ASSETS_IMAGE_PATH}:${CI_COMMIT_REF_SLUG} -f assets_container.build/Dockerfile.assets assets_container.build/
docker tag ${ASSETS_IMAGE_PATH}:${CI_COMMIT_REF_SLUG} ${ASSETS_IMAGE_PATH}:${CI_COMMIT_SHA}
docker login -u gitlab-ci-token -p ${CI_JOB_TOKEN} ${CI_REGISTRY}
docker push ${ASSETS_IMAGE_PATH}:${CI_COMMIT_REF_SLUG}
docker push ${ASSETS_IMAGE_PATH}:${CI_COMMIT_SHA}

# Also tag the image with GitLab version, if running on a tag pipeline, so
# other projects can simply use that instead of computing the slug.
if [ -n "$CI_COMMIT_TAG" ]; then
    docker tag ${ASSETS_IMAGE_PATH}:${CI_COMMIT_REF_SLUG} ${ASSETS_IMAGE_PATH}:${CI_COMMIT_REF_NAME}
    docker push ${ASSETS_IMAGE_PATH}:${CI_COMMIT_REF_NAME}
fi