--- trunk/installer-simple/bin/installer.sh.in	2014/01/07 13:20:20	2404
+++ trunk/installer-simple/bin/installer.sh.in	2014/01/07 13:27:16	2409
@@ -72,6 +72,18 @@
 #		  DIALOG BOXEN			#
 #################################################
 
+trap_exit()
+{
+	is_mounted --location "${INSTALLROOT}/dev" && umount ${INSTALLROOT}/dev
+	is_mounted --location "${INSTALLROOT}/proc" && umount ${INSTALLROOT}/proc
+	is_mounted --location "${INSTALLROOT}/sys" && umount ${INSTALLROOT}/sys
+	is_mounted --location "${INSTALLROOT}/boot" && umount ${INSTALLROOT}/boot
+	is_mounted --location "${INSTALLROOT}" && umount ${INSTALLROOT}
+
+	echo $"Installation aborted."
+	exit 1
+}
+
 dialog_die()
 {
 	ERROR="$1"
@@ -863,6 +875,9 @@
 	dialog_install_successful
 }
 
+# set some proper traps
+trap "trap_exit" SIGINT SIGQUIT
+
 dialog_main
 
 exit 0