#!/bin/sh
#
# Copyright © 2019 Intel Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

TYPE=$1
DOCKERFILE=$2
NAME=$3
REF=${4:-${CI_COMMIT_REF_NAME:-latest}}

REF=$(echo $REF | tr / - )
IMAGENAME=$CI_REGISTRY/$CI_PROJECT_PATH/$NAME
DOCKERFILE_CHECKSUM=$(sha1sum $DOCKERFILE | cut -d ' ' -f1)

REFNAME=$IMAGENAME:$REF
DOCKERNAME=$IMAGENAME:dockerfile-$DOCKERFILE_CHECKSUM
COMMITNAME=$IMAGENAME:commit-$CI_COMMIT_SHA

PODMAN_BUILD="podman build --build-arg=CI_COMMIT_SHA=$CI_COMMIT_SHA --build-arg=CI_REGISTRY_IMAGE=$CI_REGISTRY_IMAGE"

if [ "$TYPE" = "base" ]; then
	# base container (building, etc) - we rebuild only if changed or forced
	skopeo inspect docker://$DOCKERNAME
	IMAGE_PRESENT=$?

	set -e
	if [ $IMAGE_PRESENT -eq 0 ] && [ ${FORCE_REBUILD:-0} -eq 0 ] ; then
		echo "Skipping, already built"
	else
		echo "Building!"
		$PODMAN_BUILD --squash -t $DOCKERNAME -f $DOCKERFILE .
		podman push --creds $CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD $DOCKERNAME
	fi

	skopeo copy --dest-creds $CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD \
               docker://$DOCKERNAME docker://$COMMITNAME
elif [ "$TYPE" = "igt" ]; then
	# container with IGT, we don't care about Dockerfile changes
	# we always rebuild
	set -e
	$PODMAN_BUILD -t $COMMITNAME -f $DOCKERFILE .
	podman push --creds $CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD $COMMITNAME
	skopeo copy --dest-creds $CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD \
               docker://$COMMITNAME docker://$REFNAME
else
	echo "unknown build type $TYPE"
	exit 1
fi
