Merge pull request #361 from simaishi/fix_stop_on_existing_build

Change how to identify running build

bin/shared_functions.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-stop_on_existing_build ()
+stop_on_existing_imagefactory_build ()
 {
   CUR_BUILD="`virsh list | sed '1,2d'`"
   if [ -n "${CUR_BUILD}" ]
@@ -9,3 +9,11 @@ stop_on_existing_build ()
     exit 1
   fi
 }
+
+stop_on_existing_build ()
+{
+  if [ "`pgrep -fa ${BUILD_DIR}\/.*/vmbuild.rb`" ]; then
+    echo "vmbuild.rb running from the current directory, cannot kick-off build"
+    exit 1
+  fi
+}