Skip time consuming VM syncing during installation, cleanup.

roles/lmn_vm/files/rebase-vm.sh

@@ -9,7 +9,7 @@ This script takes as input the name of the VM to rebase one level down
     -n   new name of the rebased image
 EOF
 }
- 
+
 while getopts ':n:' OPTION; do
   case "$OPTION" in
     n)
@@ -21,10 +21,10 @@ while getopts ':n:' OPTION; do
       ;;
   esac
 done
- 
+
 shift "$((OPTIND -1))"
 
-# if less or more than one arguments supplied, display usage 
+# if less or more than one arguments supplied, display usage
 if [[  $# -ne 1 ]]; then
     show_help
     exit 1
@@ -51,7 +51,7 @@ NUMBASES=$(qemu-img info --backing-chain "${VM_NAME}.qcow2" | grep -c image)
 NEWBASE=$(qemu-img info --backing-chain "${VM_NAME}.qcow2" | grep image | head  -n 3 | tail -n 1 | cut -d' ' -f2)
 CURRENTBASE=$(qemu-img info --backing-chain "${VM_NAME}.qcow2" | grep image | head  -n 2 | tail -n 1 | cut -d' ' -f2)
 
-if [[ ! "${NUMBASES}" -ge 3 ]]; then 
+if [[ ! "${NUMBASES}" -ge 3 ]]; then
     echo "Image must have at least 2 backing-files"
     exit 1
 fi
@@ -64,7 +64,7 @@ fi
 
 # rebasing disk image
 qemu-img rebase -f qcow2 -b "${NEWBASE}" -F qcow2 "${VM_NAME}.qcow2"
-if [[ -v NEWNAME ]]; then 
+if [[ -v NEWNAME ]]; then
     # copy and adapt machine definition file
     CURRENTNAME="${CURRENTBASE/.qcow2/}"
     cp "xml/${CURRENTNAME}.xml" "xml/${NEWNAME}.xml"