Add Apache Spark version to --version text

adam-cli/src/main/java-templates/org/bdgenomics/adam/cli/About.java

@@ -26,6 +26,7 @@ public final class About {
     private static final String COMMIT = "${git.commit.id}";
     private static final String HADOOP_VERSION = "${hadoop.version}";
     private static final String SCALA_VERSION = "${scala.version}";
+    private static final String SPARK_VERSION = "${spark.version}";
     private static final String VERSION = "${project.version}";
 
     /**
@@ -56,36 +57,45 @@ public String commit() {
     }
 
     /**
-     * Return the Hadoop version.
+     * Return the Hadoop compile scope dependency version.
      *
-     * @return the Hadoop version
+     * @return the Hadoop compile scope dependency version
      */
     public String hadoopVersion() {
         return HADOOP_VERSION;
     }
 
     /**
-     * Return the Scala version.
+     * Return the Scala compile scope dependency version.
      *
-     * @return the Scala version
+     * @return the Scala compile scope dependency version
      */
     public String scalaVersion() {
         return SCALA_VERSION;
     }
 
     /**
-     * Return the version.
+     * Return the Apache Spark compile scope dependency version.
      *
-     * @return the version
+     * @return the Apache Spark compile scope dependency version
+     */
+    public String sparkVersion() {
+        return SPARK_VERSION;
+    }
+
+    /**
+     * Return the ADAM version.
+     *
+     * @return the ADAM version
      */
     public String version() {
         return VERSION;
     }
 
     /**
-     * Return true if the version is a snapshot.
+     * Return true if the ADAM version is a snapshot.
      *
-     * @return true if the version is a snapshot
+     * @return true if the ADAM version is a snapshot
      */
     public boolean isSnapshot() {
         return VERSION.contains("SNAPSHOT");

adam-cli/src/main/scala/org/bdgenomics/adam/cli/ADAMMain.scala

@@ -90,7 +90,8 @@ class ADAMMain @Inject() (commandGroups: List[CommandGroup]) extends Logging {
     if (about.isSnapshot) {
       println("Commit: %s Build: %s".format(about.commit, about.buildTimestamp))
     }
-    println("Built for: Scala %s and Hadoop %s".format(about.scalaVersion, about.hadoopVersion))
+    println("Built for: Apache Spark %s, Scala %s, and Hadoop %s"
+      .format(about.sparkVersion, about.scalaVersion, about.hadoopVersion))
   }
 
   private def printCommands() {

adam-cli/src/test/scala/org/bdgenomics/adam/cli/AboutSuite.scala

@@ -28,6 +28,7 @@ class AboutSuite extends FunSuite {
     assert(about.commit !== "${git.commit.id}")
     assert(about.hadoopVersion !== "${hadoop.version}")
     assert(about.scalaVersion !== "${scala.version}")
+    assert(about.sparkVersion !== "${spark.version}")
     assert(about.version !== "${version}")
   }
 
@@ -37,6 +38,7 @@ class AboutSuite extends FunSuite {
     assert(about.commit.nonEmpty)
     assert(about.hadoopVersion.nonEmpty)
     assert(about.scalaVersion.nonEmpty)
+    assert(about.sparkVersion.nonEmpty)
     assert(about.version.nonEmpty)
   }
 }