#!/bin/bash
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set -e
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PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
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APP_NAME=$(basename "${PRJ_PATH}")
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PRJ_APP=${PRJ_PATH}
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VERSION=1.0
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ARCH=armhf
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do_export() {
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OUTPUT_DEB="${APP_NAME}.deb"
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BUILD_DIR="${APP_NAME}"
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BINARY_PATH="${PRJ_APP}/${APP_NAME}"
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CONF_PATH="${PRJ_APP}/etc/${APP_NAME}.conf"
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SERVICE_PATH="${PRJ_APP}/etc/${APP_NAME}.service"
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DEBIAN_DIR="${BUILD_DIR}/DEBIAN"
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}
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# Clean all build artifacts
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do_clean() {
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rm -rf ${BUILD_DIR} ${OUTPUT_DEB}
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}
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do_fetch() {
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# Validate required input files
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if [ ! -f ${BINARY_PATH} ]; then
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echo "ERROR: Binary not found at ${BINARY_PATH}" >&2
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exit 1
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fi
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if [ ! -f ${CONF_PATH} ]; then
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echo "ERROR: Config file not found at ${CONF_PATH}" >&2
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exit 1
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fi
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if [ ! -f ${SERVICE_PATH} ]; then
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echo "ERROR: Service file not found at ${SERVICE_PATH}" >&2
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exit 1
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fi
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# ensure clean state before fetch
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do_clean
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mkdir -p ${DEBIAN_DIR}
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install -D -m 755 ${BINARY_PATH} ${BUILD_DIR}/usr/bin/${APP_NAME}
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install -D -m 644 ${CONF_PATH} ${BUILD_DIR}/etc/${APP_NAME}.conf
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install -D -m 644 ${SERVICE_PATH} ${BUILD_DIR}/lib/systemd/system/${APP_NAME}.service
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}
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do_conf() {
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cat > ${DEBIAN_DIR}/control <<EOF
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Package: ${APP_NAME}
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Version: ${VERSION}
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Section: utils
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Priority: optional
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Architecture: ${ARCH}
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Maintainer: Guowenxue <guowenxue@gmail.com>
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Description: Custom ${APP_NAME} daemon for Raspberry Pi
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This package provides the ${APP_NAME} service.
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Depends: systemd
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EOF
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cat > ${DEBIAN_DIR}/postinst <<EOF
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#!/bin/sh
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set -e
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if [ "\$1" = "configure" ]; then
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systemctl daemon-reload
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systemctl enable --now ${APP_NAME}.service
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fi
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EOF
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chmod +x ${DEBIAN_DIR}/postinst
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cat > ${DEBIAN_DIR}/prerm <<EOF
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#!/bin/sh
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set -e
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if [ "\$1" = "remove" ]; then
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systemctl stop ${APP_NAME}.service || true
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systemctl disable ${APP_NAME}.service || true
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fi
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EOF
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chmod +x ${DEBIAN_DIR}/prerm
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echo /etc/${APP_NAME}.conf > ${DEBIAN_DIR}/conffiles
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}
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do_build() {
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dpkg-deb --build ${BUILD_DIR} ${OUTPUT_DEB}
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}
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# Parse command-line options
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do_args() {
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local clean_only=0
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while getopts "c" opt; do
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case $opt in
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c)
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clean_only=1
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;;
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\?)
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echo "Usage: $0 [-c] [APP_NAME]" >&2
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exit 1
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;;
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esac
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done
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shift $((OPTIND - 1))
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if [ $# -gt 0 ]; then
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APP_NAME="$1"
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PRJ_APP=$PRJ_PATH/${APP_NAME}
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fi
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do_export
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if [ "$clean_only" = "1" ]; then
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do_clean
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exit
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fi;
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}
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main() {
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do_args "$@"
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do_fetch
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do_conf
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do_build
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}
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main "$@"
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