Check for null state on system-upgrade

diff --git a/share/hydractl/system-upgrade b/share/hydractl/system-upgrade
index 2ad06e68c5527a5e955f8180d915777c659fc525..84aec305bcfb4cc5469489dc24277051c5129600 100755 (executable)
--- a/share/hydractl/system-upgrade
+++ b/share/hydractl/system-upgrade
@@ -173,7 +173,9 @@ else
     source $ENV
   fi
 
-  hydra_system_upgrade_$STAGE
+  if [ ! -z "$STAGE" ]; then
+    hydra_system_upgrade_$STAGE
+  fi
 fi
 
 # Teardown