Code review feedback

Author: pwendell

bin/spark-class

@@ -138,12 +138,12 @@ if [ -e "$TOOLS_DIR"/target/spark-tools*[0-9Tg].jar ]; then
 fi
 
 # Compute classpath using external script
-CLASSPATH_OUTPUT=$($FWDIR/bin/compute-classpath.sh)
+classpath_output=$($FWDIR/bin/compute-classpath.sh)
 if [[ "$?" != "0" ]]; then
-  echo "$CLASSPATH_OUTPUT"
+  echo "$classpath_output"
   exit 1
 else
-  CLASSPATH=$CLASSPATH_OUTPUT
+  CLASSPATH=$classpath_output
 fi
 
 if [[ "$1" =~ org.apache.spark.tools.* ]]; then

make-distribution.sh

@@ -58,8 +58,8 @@ fi
 JAVA_CMD=$JAVA_HOME/bin/java
 JAVA_VERSION=$($JAVA_CMD -version 2>&1)
 if ! [[ "$JAVA_VERSION" =~ "1.6" ]]; then
-  echo "Error: Java version was not 1.6. Spark must be compiled with JDK 1.6 "
-  echo "(see SPARK-1703). Output from 'java -version' was:"
+  echo "Error: JAVA_HOME must point to a JDK 6 installation (see SPARK-1703)."
+  echo "Output from 'java -version' was:"
   echo "$JAVA_VERSION"
   exit -1
 fi