Merge branch 'debug' into 'master'

##########################################################################################################################

# Set content type

CONTENT_TYPE="Content-Type: application/vnd.docker.distribution.manifest.v2+json"

# Check if env vars were set

test -z "${CI_SERVER_HOST}" && should_die "CI_SERVER_HOST is missing"

test -z "${CI_REGISTRY}" && should_die "CI_REGISTRY is missing"

test -z "${CI_PROJECT_PATH}" && should_die "CI_PROJECT_PATH is missing"

test -z "${CI_COMMIT_SHA}" && should_die "CI_COMMIT_SHA is missing"

##########################################################################################################################

test -n "${SHOULD_DIE}" && die "Incomplete config!"

##########################################################################################################################

# DEBUG

test -z "${RETAG_DEBUG}" || set -x

# Define default custom image name

test -z "${CUSTOM_IMAGENAME}" && test -z "${CI_COMMIT_TAG}" && CUSTOM_IMAGENAME="${CI_COMMIT_REF_SLUG}"

test -z "${CUSTOM_IMAGENAME}" && IMAGE_PATH="${CI_PROJECT_PATH}" || IMAGE_PATH="${CI_PROJECT_PATH}/${CUSTOM_IMAGENAME}"

# Define default image old tag

test -z "${REGISTRY_TAG_OLD}" && test -z "${CI_COMMIT_TAG}" && REGISTRY_TAG_OLD="${CI_COMMIT_SHA}" || REGISTRY_TAG_OLD="${CI_COMMIT_TAG}"

test -z "${REGISTRY_TAG_OLD}" && ( test -z "${CI_COMMIT_TAG}" && REGISTRY_TAG_OLD="${CI_COMMIT_SHA}" || REGISTRY_TAG_OLD="${CI_COMMIT_TAG}" )

# Define default image new tag

test -z "${REGISTRY_TAG_NEW}" && REGISTRY_TAG_NEW=latest

##########################################################################################################################

test -n "${SHOULD_DIE}" && die "Incomplete config!"

##########################################################################################################################

# Set content type

CONTENT_TYPE="Content-Type: application/vnd.docker.distribution.manifest.v2+json"

# Set manifest root url

MANIFEST_URL=${REGISTRY_SCHEMA:-https}://${CI_REGISTRY}/v2/${IMAGE_PATH}/manifests

##########################################################################################################################

TEMPFILE=$(mktemp)

##########################################################################################################################

# DEBUG

test -z "${RETAG_DEBUG}" || echo "Old image: ${CI_REGISTRY}/${IMAGE_PATH}:${REGISTRY_TAG_OLD}"

echo "Image: ${CI_REGISTRY}/${IMAGE_PATH}"

echo "Old tag: ${REGISTRY_TAG_OLD}"

# Fetch JWT token

TOKEN=$(curl -s \

    -d scope="repository:${IMAGE_PATH}:push,pull,delete" \

    | jq -r '.token')

test -n "${TOKEN}" || die "Couldn't get token"

test -z "${RETAG_DEBUG}" || echo "Token: [${TOKEN}]"

BEARER="Authorization:Bearer $TOKEN"

# Set manifest root url

MANIFEST_URL=${REGISTRY_SCHEMA:-https}://${CI_REGISTRY}/v2/${IMAGE_PATH}/manifests

# Fetch image manifest

MANIFEST=$(curl -s \

    -H "${BEARER}" \

    -H "${CONTENT_TYPE}" \

    -G ${MANIFEST_URL}/${REGISTRY_TAG_OLD})

test -n "${MANIFEST}" || die "Couldn't get manifest"

test -z "${RETAG_DEBUG}" || echo "Manifest: [${MANIFEST}]"

# Push image manifest

RESPONCE=$(curl -s \

    -X PUT \

    -d "$MANIFEST")

test -z "${RESPONCE}" || die "Couldn't get responce"

test -z "${RETAG_DEBUG}" || echo "Responce: [${RESPONCE}]"

echo "Image tag: ${CI_REGISTRY}/${IMAGE_PATH}:${REGISTRY_TAG_NEW}"

echo "New tag: ${REGISTRY_TAG_NEW}"

##########################################################################################################################

rm -f "${TEMPFILE}"