build-pkg

#!/usr/bin/env bash
# SPDX-License-Identifier: MIT
#
# Copyright (c) 2023 Ericsson AB
#
# 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 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.

set -e

function usage() {
	echo "usage: build-pkg [bz2|deb|gz|rpm|xz]" 1>&2
	exit 1
}

function cleanup() {
	rm -rf "${d:?}"
}

if [[ $* == *--help* ]] || [ $# -gt 1 ]; then
	usage
elif [ ! -s "debian/control" ]; then
	echo "error: cd to DMCE base dir" 1>&2
	exit 1
fi

version=$(grep ^Version debian/control | cut -d' ' -f2)
gitdir=${PWD}

trap cleanup EXIT

# tree structure
d=$(mktemp -d)
e=${PWD}
cd "${d}" || exit
mkdir -p dmce-"${version}"/DEBIAN \
	dmce-"${version}"/usr/bin \
	dmce-"${version}"/usr/share/dmce

# deb files
cp -a \
	"${gitdir}"/debian/* \
	dmce-"${version}"/DEBIAN

# bin
cp -a \
	"${gitdir}"/bin/dmce \
	"${gitdir}"/bin/dmce-diff \
	"${gitdir}"/bin/dmce-launcher \
	"${gitdir}"/bin/dmce-set-profile \
	"${gitdir}"/bin/dmce-setup \
	"${gitdir}"/bin/dmce-stats \
	"${gitdir}"/bin/dmce-summary* \
	"${gitdir}"/bin/dmce-trace \
	"${gitdir}"/bin/dmce-trace-tgui \
	"${gitdir}"/bin/dmce-trace-viewer \
	dmce-"${version}"/usr/bin/

# share
cp -a \
	"${gitdir}"/filters/constructs.exclude \
	"${gitdir}"/filters/dmce.exclude \
	"${gitdir}"/filters/dmce.include \
	"${gitdir}"/filters/dmce.pos.exclude \
	"${gitdir}"/filters/dmce.pos.include \
	"${gitdir}"/filters/dmce.var.exclude \
	"${gitdir}"/filters/dmce.var.include \
	"${gitdir}"/filters/recognizedexpressions.py \
	"${gitdir}"/hooks/dmce-post-hook* \
	"${gitdir}"/probe-examples/dmce-probe* \
	"${gitdir}"/probe-examples/dmce-prolog* \
	"${gitdir}"/share/cmdlookuphook.sh \
	"${gitdir}"/share/dmce-completion.bash \
	"${gitdir}"/share/dmce-copy-headers \
	"${gitdir}"/share/generate-compile-commands.py \
	"${gitdir}"/share/generate-probefile.py \
	dmce-"${version}"/usr/share/dmce/

# version
echo "${version}" > dmce-"${version}"/usr/share/dmce/version

# build package
if [ $# -eq 1 ]; then
	o="$1"
else
	o="auto"
	if command -v dpkg-deb > /dev/null; then
		o="deb"
	fi
fi

if [ "$o" = "rpm" ]; then
	if ! command -v alien > /dev/null; then
		echo "error: command 'alien' not found" 1>&2
		exit 1
	fi
	o="gz"
fi

if [ "$o" = "deb" ]; then
	if ! command -v dpkg-deb > /dev/null; then
		echo "error: command 'dpkg-deb' not found" 1>&2
		exit 1
	elif ! command -v fakeroot > /dev/null; then
		echo "error: command 'fakeroot' not found" 1>&2
		exit 1
	fi
	fakeroot \
		dpkg-deb \
		--build dmce-"${version}" \
		"${gitdir}"/dmce-"${version}".deb \
		> /dev/null
	echo "${gitdir}"/dmce-"${version}".deb
	exit 0
elif [ "$o" = "auto" ]; then
	if command -v xz > /dev/null; then
		opt="J"
		ext="xz"
	elif command -v bzip2 > /dev/null; then
		opt="j"
		ext="bz2"
	elif command -v gzip > /dev/null; then
		opt="z"
		ext="gz"
	else
		echo "error: no compression tools (xz, bzip2 nor gzip) found" 1>&2
		exit 1
	fi
else
	ext="$o"
	case "$o" in
		xz)
			opt="J";;
		bz2)
			opt="j";;
		gz)
			opt="z";;
		*)
			usage
			;;
	esac
fi

rm -rf dmce-"${version}"/DEBIAN
tar \
	--owner=0 \
	--group=0 \
	-C dmce-"${version}" \
	-c \
	-${opt:?} \
	-f "${gitdir}"/dmce-"${version}".tar.${ext} \
	.
if [ "$1" != "rpm" ]; then
	echo "${gitdir}"/dmce-"${version}".tar.${ext}
else
	cd "${e:?}" || exit 1
	if [ -d "${gitdir}"/dmce-"${version}" ]; then
		rm -rf "${gitdir}"/dmce-"${version}"
	fi
	fakeroot \
		alien \
		--to-rpm \
		--keep-version \
		--target="$(uname -m)" \
		"${gitdir}"/dmce-"${version}".tar.${ext} > /dev/null
	rm "${gitdir}"/dmce-"${version}".tar.${ext}
	find \
		"${e:?}" \
		-maxdepth 1 \
		-type f \
		-name '*.rpm' \
		-exec readlink -f {} \;
fi