spkg/spkg

#!/bin/sh
source="https://git.hippoz.xyz/duck/repo/raw/branch/master"
tmpdir="/tmp"
setup() {
	prefix=$1
	cp ./spkg "${prefix}"/usr/bin/spkg
	chmod +x "${perfix}"/usr/bin/spkg
	mkdir "${prefix}"/etc/
	mv os-release "${prefix}"/etc/
}
removepkg() {
	pkgname=$1
	prefix=$2
	cd /usr/src/"${pkgname}" || exit 2
	make uninstall
	sed "s/${pkgname} $(${pkgname} --version)//" "${prefix}"/var/cache/spkg.cache
}
instpkg() {
	pkgname=$1
	prefix=$2
	mkdir -p "${tmpdir}"/spkg/work/"${1}"-work/
	cd "${tmpdir}"/spkg/work/"${1}"-work/ || exit 2
	mkdir -p "${prefix}"/usr/src/"${pkgname}"
	wget "${prefix}"/usr/src/"${pkgname}" "${source}"/"${pkgname}"/Makefile	
	cd "${prefix}"/usr/src/"${pkgname}" || exit 2
	export PREFIX="${prefix}"
	export PKGNAME="${pkgname}"
	make prepare
	make
	make install
	sed a\ "${pkgname} $(${pkgname} --version)" "${prefix}"/var/cache/spkg.cache > "${prefix}"/var/cache/spkg.cache
}
update() {
	pkgname=$1
	prefix=$2
	version1=$(grep "${pkgname}" /var/cache/spkg.cache)
	version2=$(wget "${source}"/spkg.cache /tmp/spkg/web.spkg.cache && grep "${pkgname}" /tmp/spkg/web.spkg.cache )
	if [ "$version1" = "${version2}" ]; then
		echo 'Up to date.'
	else
		instpkg "${pkgname}" "${prefix}"
	fi
}
dbquery() {
	pkgname=$1
	wget "${source}"/spkg.cache /tmp/spkg/web.spkg.cache
	grep "${pkgname}" /tmp/spkg/web.spkg.cache
	rm /tmp/spkg/cache || mkdir 2>/dev/null /tmp/spkg
}
dblocal() {
	pkgname=$1
	grep "${pkgname}" /var/cache/spkg.cache
}
dblist() {
	cat /var/cache/spkg.cache
}
usage() {
	echo 'sPKG via WGET, to cache, just type in sudo spkg cache save.
			to install, just type in sudo spkg install.
			to update, just type in sudo spkg update.
			to setup (IMPORTANT!!!), just type in sudo spkg setup'
}
version() {
	echo "spkg 21.06.30.1b"
}
case "${1}" in
	setup)
		case "${2}" in
			--root-dir) setup "${3}" ;;
			*) setup "/" ;;
		esac ;;
	remove) 
		case "${2}" in
			--root-dir) removepkg "${3}" "${4}" ;;
			*) removepkg "${3}" "/" ;;
		esac ;;
	install)
		case "${2}" in
			--root-dir) instpkg "${4}" "${3}" ;;
	    	*)  instpkg "${3}" "/" ;;
		esac ;;
    cache)
		case "${2}" in
			clean)
				rm -rf /usr/src/* ;;
			rm)
				rm -rf /usr/src/"${3}" ;;
			save)
				case ${3} in
					to) cp -rv /usr/src/* "${4}"/ ;;
				esac ;;
			database)
				case "${3}" in
					lookup)
						case "${4}" in
							local)
								dblocal "${5}" ;;
							query)
								dbquery "${5}" ;;
						esac;; 
				esac ;;
		esac ;;
	list)
		dblist ;;
	update)
		update "${2}" ;;
    --help)
		usage ;;
    --version)
		version ;;
esac