Starts spark-sql shell with spark-submit

bin/spark-sql

@@ -17,8 +17,59 @@
 # limitations under the License.
 #
 
+SCALA_VERSION=2.10
+
+cygwin=false
+case "`uname`" in
+    CYGWIN*) cygwin=true;;
+esac
+
+# Enter posix mode for bash
+set -o posix
+
 # Figure out where Spark is installed
 FWDIR="$(cd `dirname $0`/..; pwd)"
 
+ASSEMBLY_DIR="$FWDIR/assembly/target/scala-$SCALA_VERSION"
+
+if [ -n "$JAVA_HOME" ]; then
+  JAR_CMD="$JAVA_HOME/bin/jar"
+else
+  JAR_CMD="jar"
+fi
+
+# Use spark-assembly jar from either RELEASE or assembly directory
+if [ -f "$FWDIR/RELEASE" ]; then
+  assembly_folder="$FWDIR"/lib
+else
+  assembly_folder="$ASSEMBLY_DIR"
+fi
+
+num_jars=$(ls "$assembly_folder" | grep "spark-assembly.*hadoop.*\.jar" | wc -l)
+if [ "$num_jars" -eq "0" ]; then
+  echo "Failed to find Spark assembly in $assembly_folder"
+  echo "You need to build Spark before running this program."
+  exit 1
+fi
+if [ "$num_jars" -gt "1" ]; then
+  jars_list=$(ls "$assembly_folder" | grep "spark-assembly.*hadoop.*.jar")
+  echo "Found multiple Spark assembly jars in $assembly_folder:"
+  echo "$jars_list"
+  echo "Please remove all but one jar."
+  exit 1
+fi
+
+ASSEMBLY_JAR=$(ls "$assembly_folder"/spark-assembly*hadoop*.jar 2>/dev/null)
+
+# Verify that versions of java used to build the jars and run Spark are compatible
+jar_error_check=$("$JAR_CMD" -tf "$ASSEMBLY_JAR" nonexistent/class/path 2>&1)
+if [[ "$jar_error_check" =~ "invalid CEN header" ]]; then
+  echo "Loading Spark jar with '$JAR_CMD' failed. " 1>&2
+  echo "This is likely because Spark was compiled with Java 7 and run " 1>&2
+  echo "with Java 6. (see SPARK-1703). Please use Java 7 to run Spark " 1>&2
+  echo "or build Spark with Java 6." 1>&2
+  exit 1
+fi
+
 CLASS="org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver"
-$FWDIR/bin/spark-class $CLASS $@
+exec "$FWDIR"/bin/spark-submit --class $CLASS $@ $ASSEMBLY_JAR