build-rpm

#!/bin/bash
#
# Build RPM
#
# Copyright (c) 2024 Jun Futagawa (jfut)
#
# This software is released under the 2-Clause BSD License.
# https://opensource.org/license/bsd-2-clause

set -euo pipefail

export LC_ALL=C

BUILD_PACKAGES="autoconf automake libtool gcc make procps-ng rpm-build rpmdevtools"
MAX_RETRY="10"

if [[ $# -lt 2 ]]; then
    echo $0 RPMBUILD_DIR SPEC_FILE_NAME [REPOSITORY] [MODULE_VERSION]
    exit 1
fi

RPMBUILD_DIR="${1}"
SPEC_FILE_NAME="${2}"
REPOSITORY="${3:-}"
MODULE_VERSION="${4:-}"

pushd "${RPMBUILD_DIR}"

# RPM macros
RPM_MACROS=/usr/lib/rpm/macros.d/macros.dist
if [[ -f /etc/rpm/macros.dist ]]; then
    # el8
    RPM_MACROS=/etc/rpm/macros.dist
fi
RPM_DIST=.$(egrep -o "^%el[0-9]*" "${RPM_MACROS}" | tr -d '%')
echo "RPM_DIST: ${RPM_DIST} (${RPM_MACROS})"

# Install nginx and setup spec file
echo
echo "Installing nginx"
if [[ -z "${REPOSITORY}" ]]; then
    # Non-modular package version
    dnf -y install nginx
else
    # Modular package version
    if [[ -z "${MODULE_VERSION}" ]]; then
        echo "Error: MODULE_VERSION is required for el8 or later"
        exit 1
    fi

    # EPEL 8 Modularity was going away on February 15, 2023
    if [[ "${REPOSITORY}" = "epel-modular" ]]; then
        dnf -y install epel-release
        dnf config-manager --enable epel-modular
        dnf clean all
    fi

    dnf -y module reset nginx
    echo "Installing nginx:${MODULE_VERSION} on ${REPOSITORY}"
    dnf -y module install nginx:${MODULE_VERSION}/common
fi
# 2:1.20.1-20.el9.alma.1 -> 2
NGINX_EPOCH_VERSION=$(dnf info -q nginx | grep ^Epoch |  awk '{ print $3 }')
sed -e "s/@NGINX_EPOCH_VERSION@/${NGINX_EPOCH_VERSION}/g" "SPECS/${SPEC_FILE_NAME}.in" > "SPECS/${SPEC_FILE_NAME}.tmp"
# 2:1.20.1-20.el9.alma.1 -> 1.20.0
NGINX_VERSION=$(dnf info -q nginx | grep ^Version |  awk '{ print $3 }')
sed -e "s/@NGINX_VERSION@/${NGINX_VERSION}/g" "SPECS/${SPEC_FILE_NAME}.tmp" > "SPECS/${SPEC_FILE_NAME}"
rm -f "SPECS/${SPEC_FILE_NAME}.tmp"

# Install dependencies
echo
echo "Installing build tools and dependencies: ${BUILD_PACKAGES} dnf-plugins-core"
RETRY=0
until dnf -y install ${BUILD_PACKAGES} dnf-plugins-core || [[ "${RETRY}" -eq "${MAX_RETRY}" ]];
do
    echo
    sleep $((RETRY++))
    echo "Retry: dnf -y install ${BUILD_PACKAGES} (retry: ${RETRY})"
done
until dnf -y builddep "SPECS/${SPEC_FILE_NAME}" || [[ "${RETRY}" -eq "${MAX_RETRY}" ]];
do
    sleep $((RETRY++))
    echo
    echo "Retry: dnf -y builddep \"SPECS/${SPEC_FILE_NAME}\" (retry: ${RETRY})"
done

# Build RPM files
if [[ ! -d SOURCES ]]; then
    mkdir SOURCES
fi

if [[ "${RPM_DIST}" = ".el9" ]]; then
    # el9 or later
    spectool -g -a "SPECS/${SPEC_FILE_NAME}" -C SOURCES/
else
    # el8
    spectool -g -A "SPECS/${SPEC_FILE_NAME}" -C SOURCES/
fi

echo "Building RPM files:"
if [[ ! -z "${REPOSITORY}" ]]; then
    if [[ "${REPOSITORY}" = "epel-modular" ]]; then
        RPM_DIST=$(echo "${RPM_DIST}" | sed -r "s/^\.(.*)/.module_\1.epel.${MODULE_VERSION}/")
    else
        RPM_DIST=$(echo "${RPM_DIST}" | sed -r "s/^\.(.*)/.module_\1.${MODULE_VERSION}/")
    fi
fi
echo rpmbuild \
    --define \"%_topdir ${RPMBUILD_DIR}\" \
    --define \"%dist ${RPM_DIST}\" \
    -ba \"SPECS/${SPEC_FILE_NAME}\"
rpmbuild \
    --define "%_topdir ${RPMBUILD_DIR}" \
    --define "%dist ${RPM_DIST}" \
    -ba "SPECS/${SPEC_FILE_NAME}"

echo "Change permissions to delete conflicting files when releasing via GitHub Actions:"
chmod 777 "${RPMBUILD_DIR}/SRPMS"
find "${RPMBUILD_DIR}/SRPMS" -name "*.rpm" -print0 | xargs -r -0 chmod 666
echo "ls -al \"${RPMBUILD_DIR}/\""
ls -al "${RPMBUILD_DIR}/"
echo "ls -al \"${RPMBUILD_DIR}/SRPMS\""
ls -al "${RPMBUILD_DIR}/SRPMS"

popd