dom0/dispvm: by default use prerun script from inside of VM (#620)

dom0/qvm-core/qubes.py

@@ -1634,12 +1634,6 @@ class QubesTemplateVm(QubesVm):
             raise IOError ("Error while copying {0} to {1}".\
                            format(self.clean_img, self.volatile_img))
 
-        if verbose:
-            print >> sys.stderr, "--> Copying the template's DispVM prerun script..."
-        retcode = subprocess.call (["cp", src_vm.dir_path + '/dispvm-prerun.sh', self.dir_path + '/dispvm-prerun.sh'])
-        if retcode != 0:
-            raise IOError ("Error while copying DispVM prerun script")
-
         # Create root-cow.img
         self.commit_changes(verbose=verbose)
 

dom0/restore/qubes_prepare_saved_domain.sh

@@ -1,11 +1,15 @@
 #!/bin/bash
 get_encoded_script()
 {
-	if ! [ -f "$1" ] ; then
+    if [ "$1" == "vm-default" ]; then
+        SCRIPT_CMD="echo /usr/lib/qubes/dispvm-prerun.sh"
+    elif ! [ -f "$1" ] ; then
 		echo $1 is not a file ?
 		exit 1
+    else
+        SCRIPT_CMD="cat $1"
 	fi	
-	ENCODED_SCRIPT=`cat "$1" | perl -e 'use MIME::Base64 qw(encode_base64); local($/) = undef;print encode_base64(<STDIN>)'|tr -d "\n"`
+	ENCODED_SCRIPT=`$SCRIPT_CMD | perl -e 'use MIME::Base64 qw(encode_base64); local($/) = undef;print encode_base64(<STDIN>)'|tr -d "\n"`
 }
 
 if [ $# != 2 -a $# != 3 ] ; then

dom0/restore/qvm-create-default-dvm

@@ -21,13 +21,9 @@ if [ "$TEMPLATENAME" = --default-template ] ; then
 fi
 
 if [ "X""$2" = "X""--default-script" ] ; then
-	SCRIPTNAME="/var/lib/qubes/vm-templates/$TEMPLATENAME"/dispvm-prerun.sh
-	if ! [ -f $SCRIPTNAME ] ; then
-		echo $SCRIPTNAME does not exist
-		exit 1
-	fi
+	SCRIPTNAME="vm-default"
 else
-		SCRIPTNAME=$2
+	SCRIPTNAME=$2
 fi
 
 if ! [ -d "/var/lib/qubes/vm-templates/$TEMPLATENAME" ] ; then