#!/usr/bin/env bash

#    Copyright 2021 Couchbase, Inc.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

PROJECT_ROOT="$( cd "$(dirname "$0"/../..)" >/dev/null 2>&1 ; pwd -P )"

echo "HOSTNAME=${HOSTNAME}"
echo "NODE_NAME=${NODE_NAME}"
echo "CONTAINER_TAG=${CONTAINER_TAG}"
echo "JENKINS_SLAVE_LABELS=${JENKINS_SLAVE_LABELS}"
echo "NODE_LABELS=${NODE_LABELS}"

CENTOS_REL=${CENTOS_REL:-8}
CENTOS_ARCH=${CENTOS_ARCH:-x86_64}
# list all available EPEL roots:
#   find /etc/mock/ -name 'epel-*.cfg'
CENTOS_ROOT="epel-${CENTOS_REL}-${CENTOS_ARCH}"
PKGBUILD_ROOT="${PROJECT_ROOT}/pkgbuild"
SOURCES_DIR="${PKGBUILD_ROOT}/sources"
RESULTS_DIR="${PKGBUILD_ROOT}/results"
SPEC_FILE="${SOURCES_DIR}/couchbase-transactions.spec"

echo "Building packages in ${CENTOS_ROOT}"
echo "Spec file: ${SPEC_FILE}"
echo "Sources: ${SOURCES_DIR}"
echo "Results: ${RESULTS_DIR}"

set -x
set -e


mkdir -p "${SOURCES_DIR}" "${RESULTS_DIR}"

# tarball absolute path written by build-tarball script
TARBALL_NAME=$(cat "${SOURCES_DIR}/tarball-name.txt")
TARBALL_DIR=$(basename "${TARBALL_NAME}" .tar.gz)
# inject build number into release, and copy spec file to build area
BUILD_NUMBER=${BUILD_NUMBER:-1}
sed -e "s/\(Release: .*\)%/\1.${BUILD_NUMBER}%/;s/Source: .*/Source: ${TARBALL_NAME}/;s/\(^%autosetup -p1\)/\1 -n ${TARBALL_DIR}/" \
  < "${PROJECT_ROOT}/scripts/jenkins/pkg/rpm/couchbase-transactions.spec" \
  > "${SPEC_FILE}"

mock --buildsrpm \
     --old-chroot \
     --root "${CENTOS_ROOT}" \
     --sources "${SOURCES_DIR}" \
     --resultdir "${RESULTS_DIR}" \
     --spec "${SPEC_FILE}"

SRPM_PATH=$(find "${RESULTS_DIR}" -name "couchbase-transactions-*.src.rpm" | head -1)
cp "${SRPM_PATH}" "${SOURCES_DIR}/"
basename "${SRPM_PATH}" > "${SOURCES_DIR}/srpm-name.txt"
