add docs. remove unnecesary new lines

Author: brkyvz

bin/spark-class

@@ -147,8 +147,6 @@ else
   CLASSPATH="$classpath_output"
 fi
 
-
-
 if [[ "$1" =~ org.apache.spark.tools.* ]]; then
   if test -z "$SPARK_TOOLS_JAR"; then
     echo "Failed to find Spark Tools Jar in $FWDIR/tools/target/scala-$SPARK_SCALA_VERSION/" 1>&2

bin/spark-submit

@@ -40,10 +40,6 @@ while (($#)); do
     export SPARK_SUBMIT_OPTS=$2
   elif [ "$1" = "--master" ]; then
     export MASTER=$2
-  elif [ "$1" = "--maven" ]; then
-      export SPARK_SUBMIT_MAVEN_COORDINATES=$2
-  elif [ "$1" = "--maven_repos" ]; then
-        export SPARK_SUBMIT_MAVEN_REPOS=$2
   fi
   shift
 done

core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala

@@ -455,6 +455,13 @@ object SparkSubmit {
     if (merged == "") null else merged
   }
 
+  /**
+   * Resolves any dependencies that were supplied through maven coordinates
+   * @param coordinates Comma-delimited string of maven coordinates
+   * @param remoteRepos Comma-delimited string of remote repositories other than maven central
+   * @return The comma-delimited path to the jars of the given maven artifacts including their
+   *         transitive dependencies
+   */
   private def resolveMavenCoordinates(coordinates: String, remoteRepos: String): String = {
     if (coordinates == null || coordinates.trim.isEmpty) {
       ""

core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala

@@ -227,6 +227,7 @@ private[spark] class SparkSubmitArguments(args: Seq[String], env: Map[String, St
     |  childArgs               [${childArgs.mkString(" ")}]
     |  jars                    $jars
     |  maven                   $maven
+    |  maven_repos             $maven_repos
     |  verbose                 $verbose
     |
     |Spark properties used, including those specified through

core/src/main/scala/org/apache/spark/util/Utils.scala

@@ -1873,6 +1873,12 @@ private[spark] object Utils extends Logging {
   }
 }
 
+/**
+ * Represents a Maven Coordinate
+ * @param groupId the groupId of the coordinate
+ * @param artifactId the artifactId of the coordinate
+ * @param version the version of the coordinate
+ */
 private[spark] case class MavenCoordinate(groupId: String, artifactId: String, version: String)
 
 /**