allow to continue despite potentially broken build root

diff --git a/init_buildsystem b/init_buildsystem
index 6ee650b..2aa6352 100755 (executable)
--- a/init_buildsystem
+++ b/init_buildsystem
@@ -255,14 +255,15 @@ if test -e $BUILD_IS_RUNNING ; then
     umount -n $BUILD_ROOT/mnt 2> /dev/null
     echo "Your build system is broken!! Shall I execute"
     echo
-    echo "    rm -rf $BUILD_ROOT"
+    echo "    rm -rf -- $BUILD_ROOT"
     echo
-    echo -n "[y/N] "
+    echo -n "[y/N/c] "
     read ANSWER
-    test "$ANSWER" != y && {
-      exit
-    }
-    clean_build_root
+    case "$ANSWER" in
+       c|C) rm -f $BUILD_IS_RUNNING ;;
+       y|Y) clean_build_root ;;
+       *) cleanup_and_exit 1 ;;
+    esac
 fi
 
 #