Executing the jrubyStorm task should also execute its assemble task

Fixes #14

src/main/groovy/com/github/jrubygradle/storm/JRubyStorm.groovy

@@ -3,6 +3,7 @@ package com.github.jrubygradle.storm
 import com.github.jrubygradle.JRubyPlugin
 
 import org.gradle.api.DefaultTask
+import org.gradle.api.Incubating
 import org.gradle.api.Task
 import org.gradle.api.artifacts.Configuration
 import org.gradle.api.file.CopySpec
@@ -29,6 +30,12 @@ class JRubyStorm extends DefaultTask {
     /** Configuration which has all of our dependencies */
     protected Configuration configuration
 
+    /** Grab the {@code org.gradle.api.tasks.bundling.AbstractArchiveTask} that this depends on to build the jar */
+    @Incubating
+    Task getAssembleTask() {
+        return assembleTask
+    }
+
     /** Path (absolute or relative) to the Ruby file containing the topology */
     @Input
     String topology
@@ -81,6 +88,7 @@ class JRubyStorm extends DefaultTask {
         this.group JRubyPlugin.TASK_GROUP_NAME
         this.runTask = JRubyStormInternal.createRunTask(this.project, this)
         this.assembleTask = JRubyStormInternal.createAssembleTask(this.project, this)
+        this.dependsOn assembleTask
 
         project.afterEvaluate { this.updateDependencies() }
     }

src/test/groovy/com/github/jrubygradle/storm/JRubyStormSpec.groovy

@@ -61,6 +61,14 @@ class JRubyStormSpec extends Specification {
         runTask.topology == 'spock.rb'
     }
 
+    def "JRubyStorm task should depend on its assembleTask"() {
+        given:
+        Task task = project.task('spock', type: JRubyStorm)
+
+        expect:
+        task.dependsOn.find { it == task.assembleTask }
+    }
+
     def "getStormVersion() should return the storm.defaultStormVersion by default"() {
         given:
         JRubyStorm task = project.task('spock', type: JRubyStorm)