change: do not override JAVA_HOME and JAVA_OPTS in datamover.conf, but only...

change: do not override JAVA_HOME and JAVA_OPTS in datamover.conf, but only set values when they are not yet set

SVN: 2073

datamover/dist/etc/datamover.conf

@@ -5,9 +5,9 @@
 #
 # Home directory of the JRE that should be used
 #
-#JAVA_HOME=/usr/java/latest
+#JAVA_HOME=${JAVA_HOME:=/usr/java/latest}
 
 #
 # Options to the JRE
 #
-JAVA_OPTS=-server
+JAVA_OPTS=${JAVA_OPTS:=-server}