Porteus

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  #!/bin/bash
## A simple wrapper for slapt-get to build Porteus module.
## by babam and ncmprhnsbl  forum.porteus.org
## set module stripping options in /etc/slapt-get/slapt-modrc


getmod_help () {
	green  "\n   $(basename $0): A simple wrapper for slapt-get to build Porteus module."
	yellow "             All operations must be run as root user."
	printf "\n   $(basename $0) [-c] [-u] [-d|-m|-M|-n|-N PACKAGE_NAME] [-l PATTERN] [-s PATTERN]\n\nOptions:\n  -c: Purge cached packages\n  -d: Download only\n  -m: Download and build module (ZSTD compression)\n  -M: Download and build module (XZ compression)\n  -n: Download and build module without dependencies (ZSTD compression)\n  -N: Download and build module without dependencies (XZ compression)\n  -l: List installed packages\n  -s: Search package\n  -u: Update database\n  -h: This usage\n\n"

	echo "   To change the temporary directory (default is /tmp), pass the TMP variable."
	echo "   $ TMP=/path/to/directory slapt-mod -m packagename"
	echo
	echo "   Temporary directory is for storing downloaded packages, installing and converting them to modules."
	echo
	echo "   See /etc/slapt-get/slapt-modrc to set preferences for stripping and language of created modules."
	echo
}

# Must be root:
swtch_rt () {
if [ `whoami` != "root" ]; then
	red "Please enter root's password"
	su -c "sh $0 $*"
	yellow "For ease of use, su to root user first."
	exit
fi
}

getmod_ln () {
cd /var/lib/pkgtools/packages

if [ -e binutils-min-* ]; then
	if [ ! -e binutils-[0-9]* &>/dev/null ]; then
		NAME=$(ls binutils-min-* | cut -d- -f3-)
		ln -s binutils-min-* binutils-$NAME
	fi
fi

if [ -e boost-stripped-* ]; then
	if [ ! -e boost-[0-9]* &>/dev/null ]; then
		NAME=$(ls boost-stripped-* | cut -d- -f3-)
		ln -s boost-stripped-* boost-$NAME
	fi
fi

if [ -e gtk3-classic-* ]; then
	if [ ! -e gtk+3-* ]; then
		NAME=$(ls gtk3-classic-* | cut -d- -f3-)
		ln -s gtk3-classic-* gtk+3-$NAME
	fi
fi

if [ -e llvm-stripped-* ]; then
	if [ ! -e llvm-[0-9]* &>/dev/null ]; then
		NAME=$(ls llvm-stripped-* | cut -d- -f3-)
		ln -s llvm-stripped-* llvm-$NAME
	fi
fi

if [ -e mozjs78-lib-* ]; then
	if [ ! -e mozjs78-[0-9]* &>/dev/null ]; then
		NAME=$(ls mozjs78-lib-* | cut -d- -f3-)
		ln -s mozjs78-lib-* mozjs78-$NAME
	fi
fi

if [ -e pango-1.48.11-x86_64-1 ]; then
	if [ ! -e pango-1.48.11-x86_64-1 ]; then
		mv pango-1.48.11-x86_64-1 pango-1.48.11-x86_64-1
	fi
fi
}

getmod_ls () {
if [ "$PKG" = "" ]; then
	ls -1 /var/lib/pkgtools/packages
else
	ls /var/lib/pkgtools/packages | grep --color -iE "$PKG"
fi
}

getmod_update () {
	slapt-get --update
}

getmod_purge () {
	echo
	read -p "====> Remove all cached packages?  Yes (Y/y), No (N/n): " ANSWER
	case "$ANSWER" in

		[Yy]|[Yy][Ee][Ss])
		echo -e "\n====> Removing '$WORKDIR'"
		rm -rf $WORKDIR
		green "\nDone.\n" ;;

		[Nn]|[Nn][Oo])
		echo -e "\nAbort.\n" ;;

		*)
		echo -e "\n====> '$ANSWER' is not supported.\n" ;;

	esac
}

getmod_search () {
	slapt-get --available | grep -i $PKG | awk '{print $1,"",substr($0,index($0,$4))}'
}

getmod_mkmod () {
	source /etc/slapt-get/slapt-modrc
	PKGNAM=$(find $WORKINGDIR -name "$PKG*.t?z" -exec basename {} \; | grep -E "^$PKG-[^-]*-[^-]*-[^-]*$" | rev | cut -d. -f2- | rev)
	[ "$PKGNAM" ] || exit

	if [ "$NODEP" = "-n" -o "$NODEP" = "-N" ]; then
		find $WORKINGDIR -name "*.t?z" | grep -f $WORKINGDIR/nodep | xargs -n1 installpkg --root $ROOTDIR
		[ $? != 0 ] && { rm -rf $ROOTDIR ; exit ; }
	else
		find $WORKINGDIR -name "*.t?z" | xargs -n1 installpkg --root $ROOTDIR
		[ $? != 0 ] && { rm -rf $ROOTDIR ; exit ; }
	fi

	sed -i "/^Name\[/d" $ROOTDIR/usr/share/applications/*.desktop 2>/dev/null
	sed -i "/^Comment\[/d" $ROOTDIR/usr/share/applications/*.desktop 2>/dev/null
	sed -i "/^GenericName/d" $ROOTDIR/usr/share/applications/*.desktop 2>/dev/null
	sed -i "/^Keywords\[/d" $ROOTDIR/usr/share/applications/*.desktop 2>/dev/null

	find $ROOTDIR -name "*.cache" -type f -delete
	find $ROOTDIR -name "gschemas.compiled" -type f -delete
	find $ROOTDIR -name "*.pyc" -type f -delete
	find $ROOTDIR -name "*.pyo" -type f -delete

	if [ $docs = 0 ]; then
		[ -d $ROOTDIR/usr/doc ] && rm -rf $ROOTDIR/usr/doc
		[ -d $ROOTDIR/usr/info ] && rm -rf $ROOTDIR/usr/info
		[ -d $ROOTDIR/usr/share/gtk-doc ] && rm -rf $ROOTDIR/usr/share/gtk-doc
		[ -d $ROOTDIR/usr/share/help ] && rm -rf $ROOTDIR/usr/share/help
	fi
	if [ $man = 0 ]; then
		[ -d $ROOTDIR/usr/man ] && rm -rf $ROOTDIR/usr/man
	fi
	if [ $headers = 0 ]; then
		[ -d $ROOTDIR/usr/include ] && rm -rf $ROOTDIR/usr/include
	fi
	if [ $locale = 0 ]; then
		[ -d $ROOTDIR/usr/share/locale ] && ( cd $ROOTDIR/usr/share/locale && rm -rf `ls | grep -vw -e en -e en_US` )
	else
		[ -d $ROOTDIR/usr/share/locale ] && ( cd $ROOTDIR/usr/share/locale && rm -rf `ls | grep -vw -e $locale` )
	fi
	[ -d $ROOTDIR/usr/src ] && rm -rf $ROOTDIR/usr/src

	rmdir --ignore-fail-on-non-empty $ROOTDIR/usr/share/locale 2>/dev/null

	if [ "$COMP" = "-m" -o "$COMP" = "-n" ]; then
		mksquashfs $ROOTDIR $TMP/$PKGNAM.xzm -b 256K -comp zstd -Xcompression-level 22 -noappend
	else
		mksquashfs $ROOTDIR $TMP/$PKGNAM.xzm -b 256K -comp xz -Xbcj x86 -noappend
	fi
	if [ $? = 0 ]; then
		chown guest. $TMP/$PKGNAM.xzm
		green "\n====> '$TMP/$PKGNAM.xzm' was created successfully.\n"
	fi

	rm -rf $ROOTDIR
}

getmod_download () {
	mkdir -m 777 -p $TMP
	mkdir -m 777 -p $WORKDIR
	mkdir -m 777 -p $WORKINGDIR
	sed -re "s,^(WORKINGDIR=).*,\1$WORKINGDIR,g" /etc/slapt-get/slapt-getrc > $WORKINGDIR/slapt-getrc

	for i in `find /var/slapt-get -maxdepth 1 -type f` ; do
		ln -s $i $WORKINGDIR 2>/dev/null
	done

	slapt-get --config $WORKINGDIR/slapt-getrc --download-only --prompt --install $PKG $@
}

getmod_nodep () {
	mkdir -m 777 -p $TMP
	mkdir -m 777 -p $WORKDIR
	mkdir -m 777 -p $WORKINGDIR
	rm -f $WORKINGDIR/nodep

	for i in $PKG $@ ; do
		echo "/$i-" >> $WORKINGDIR/nodep
	done

	awk '!x[$0]++' $WORKINGDIR/nodep > $WORKINGDIR/nodep.temp
	mv $WORKINGDIR/nodep.temp $WORKINGDIR/nodep

	sed -re "s,^(WORKINGDIR=).*,\1$WORKINGDIR,g" /etc/slapt-get/slapt-getrc > $WORKINGDIR/slapt-getrc

	for i in `find /var/slapt-get -maxdepth 1 -type f` ; do
		ln -s $i $WORKINGDIR 2>/dev/null
	done

	slapt-get --config $WORKINGDIR/slapt-getrc --no-dep --download-only --prompt --install $PKG $@
}

PKG=$2
COMP=$1
NODEP=$1
TMP=${TMP:-/tmp}
ROOTDIR=$TMP/$PKG.$$
WORKDIR=$TMP/GETMOD
WORKINGDIR=$WORKDIR/$PKG

case "$1" in

	-u)
		swtch_rt $1
	getmod_ln
	getmod_update ;;

	-c)
	swtch_rt $1
	getmod_purge ;;

	-d)
	[ "$2" ] || { yellow "You're missing a package to download!!" && $0 && exit ; }
	swtch_rt $1 $2
	getmod_download ${@:3} ;;

	-l)
	swtch_rt $1
	getmod_ls ;;

	-m|-M)
	[ "$2" ] || { yellow "You're missing a package for your module!!" && $0 && exit ; }
	swtch_rt $1 $2
	getmod_download ${@:3}
	[ $? != 0 ] && exit
	getmod_mkmod ;;

	-n|-N)
	[ "$2" ] || { yellow "You're missing a package to download!!" && $0 && exit ; }
	swtch_rt $1 $2
	getmod_nodep ${@:3}
	[ $? != 0 ] && exit
	getmod_mkmod ;;

	-s)
	[ "$2" ] || { yellow "You're missing a package name to search for!!" && $0 && exit ; }
	swtch_rt $1 $2
	getmod_search ;;

	''|*|-h|--help)
	getmod_help ;;