add special handling for the /mnt/home desktop icon under PUPMODE 6

woof-code/rootfs-skeleton/usr/local/pup_event/frontend_rox_funcs

@@ -10,6 +10,7 @@ echo "$BPS" | grep -q 'ROX-Filer -p' && {
 	ROX_DESKTOP=yes
 }
 
+. /etc/rc.d/PUPSTATE
 . /etc/rc.d/functions_x #fx_* functions
 
 #130807 L18L
@@ -94,8 +95,14 @@ rox_icon_mounted_func() {
 	[ "$2" = "floppy" ] && DRVICON="floppy_mntd48.png"
 	[ "$2" = "optical" ] && DRVICON="optical_mntd48.png"
 	#MP: support luks-encrypted partitions
-	MOUNTPOINT=$(mount | grep -E "^/dev/${1} |^/dev/mapper/lukspartition_${1} " | cut -f 3 -d ' ')
+	MOUNTPOINT=$(mount | grep -m1 -E "^/dev/${1} |^/dev/mapper/lukspartition_${1} " | cut -f 3 -d ' ')
+	MOUNTEDBOOT=0
 	if [ "`echo "$MOUNTPOINT" | grep -v '/initrd/' | grep -v '^/$'`" = "" ] ; then
+		MOUNTEDBOOT=1
+	elif [ $PUPMODE -eq 6 -a "$MOUNTPOINT" = "`readlink /mnt/home`" ]; then
+		MOUNTEDBOOT=1
+	fi
+	if [ $MOUNTEDBOOT -eq 1 ]; then
 		#only partitions mntd on /initrd/* then must be mntd at boot. cannot unmount.
 		#also, full hd install has partition mntd on '/'.
 		DRVICON="drive_mntd_boot48.png" #default.
@@ -653,7 +660,13 @@ rox_desktop_icon_clicked() {
 			DRVX=$(fx_get_drvname $ONEDRVNAME)
 			probedisk $DRVX | grep -q 'usbdrv' && chk_swap $ONEDRVNAME $DRVX
 			[ "$MNTPT" = "" ] && exit #precaution.
+			CANUNMOUNT=1
 			if [ "$MNTPT" = "/" -o "`echo "$MNTPT" | grep '/initrd/'`" != "" ];then
+				CANUNMOUNT=0
+			elif [ $PUPMODE -eq 6 -a "$MNTPT" = "`readlink /mnt/home`" ];then
+				CANUNMOUNT=0
+			fi
+			if [ $CANUNMOUNT -eq 0 ]; then
 				/usr/lib/gtkdialog/box_ok "$(gettext 'Puppy drive manager')" error  "$(eval_gettext "/dev/\${ONEDRVNAME} mounted on \${MNTPT}
 is in use by Puppy. You cannot unmount it.")"
 				exit