DEPENDS=$(cat_file_merge "ROOTFS" | sort -u)

build() {
	# generate pseudo file listing for squashfs
	pkg install -l -R "$REPODIR" -r "$TCDIR/$TARGET" \
		    -F sqfs $DEPENDS | sort -u > "$PKGDEPLOYDIR/pseudo"

	# setup root home directory
	cp -r "$TCDIR/$TARGET/etc/skel" "$TCDIR/$TARGET/usr/root"

	echo "usr/root m 700 0 0" >> "$PKGDEPLOYDIR/pseudo"

	find "$TCDIR/$TARGET/usr/root" \
	     -exec stat {} --printf="%n m %a 0 0\\n" \; | \
	     sed 's#^$TCDIR/$TARGET/##g' | tail -n +2 >> "$PKGDEPLOYDIR/pseudo"

	# move configuration to preserve directory
	mkdir -pv "$TCDIR/$TARGET/cfg/preserve"
	mkdir -pv "$TCDIR/$TARGET/cfg/overlay"

	echo <<_EOF >> "$PKGDEPLOYDIR/pseudo"
cfg m 755 0 0
cfg/preserve m 755 0 0
cfg/preserve/etc m 755 0 0
cfg/preserve/usr m 755 0 0
cfg/preserve/var_lib m 755 0 0
cfg/overlay m 755 0 0
_EOF

	mv "$TCDIR/$TARGET/etc" "$TCDIR/$TARGET/cfg/preserve/etc"
	mv "$TCDIR/$TARGET/usr" "$TCDIR/$TARGET/cfg/preserve/usr"
	mv "$TCDIR/$TARGET/var/lib" "$TCDIR/$TARGET/cfg/preserve/var_lib"
	rm -rf "$TCDIR/$TARGET/var"

	mkdir -p $TCDIR/$TARGET/{etc,var,usr}

	sed -i 's#etc/#cfg/preserve/etc/#g' "$PKGDEPLOYDIR/pseudo"
	sed -i 's#var/lib/#cfg/preserve/var_lib/#g' "$PKGDEPLOYDIR/pseudo"
	sed -i 's#usr/#cfg/preserve/usr/#g' "$PKGDEPLOYDIR/pseudo"

	# don't add stuff for the boot partition to the squashfs image
	mv $TCDIR/$TARGET/boot/* "$PKGDEPLOYDIR"

	grep -v "^boot/" "$PKGDEPLOYDIR/pseudo" > "$PKGDEPLOYDIR/pseudo.temp"
	mv "$PKGDEPLOYDIR/pseudo.temp" "$PKGDEPLOYDIR/pseudo"
	echo "boot m 750 0 0" >> "$PKGDEPLOYDIR/pseudo"
}

deploy() {
	mksquashfs "$TCDIR/$TARGET" "$PKGDEPLOYDIR/rootfs.img" -comp xz \
		-no-progress -no-xattrs -pf "$PKGDEPLOYDIR/pseudo"

	rm "$PKGDEPLOYDIR/pseudo"
	cp $SCRIPTDIR/pkg/$PKGNAME/*.{files,desc} "$PKGDEPLOYDIR"
}

check_update() {
	return
}