#!/bin/bash

readSetting() { # $1=filename $2=name $3=defaultvalue
	local -r LINE=$(grep "^${2}=" "${1}")
	local -r VALUE=${LINE/${2}=/}
	if [ "${VALUE}" != "" ]; then
		echo "${VALUE}"
	else
		echo "${3}"
	fi
}
writeSetting() { #$1=filename $2=valuename $3=value
	local -r LINE=$(grep "^${2}=" "${1}")
	if [ "${LINE}" != "" ]; then
		sed -i "s/^${2}=.*/${2}=${3}/" "${1}"
	else
		echo "${2}=${3}" >> "${1}"
	fi
}

showHelp() {
	echo "buildrelease version"
	local -r PKGBUILD=${BASEDIR}/_dist/arch/PKGBUILD
	local CURVERSION="0"
	CURVERSION=$(readSetting "${PKGBUILD}" "pkgver" "0")
	echo ""
	echo "Current version : ${CURVERSION}"
}

buildRelease() {
	local -r PKGBUILD=${BASEDIR}/_dist/arch/PKGBUILD
	writeSetting "${PKGBUILD}" "pkgver" "${VERSION}"
	writeSetting "${PKGBUILD}" "pkgrel" "1"
	local -r GITBRANCH=$(git rev-parse --abbrev-ref HEAD)
	git commit -a -m "New release ${VERSION}"
	git push
	git checkout main
	git pull
	git merge "${GITBRANCH}"
	git push
	git tag -a "${VERSION}" -m "Version ${VERSION}"
	git push --tags
	git checkout "${GITBRANCH}"
}

BASEDIR="$(pwd "${BASH_SOURCE[0]}")"

if [ "${1}" == "" ]; then
	showHelp
	exit 1
fi

VERSION="${1}"
buildRelease