Produce a shadow'd jar for the performance benchmarks

Author: rspieldenner

build.gradle

@@ -13,7 +13,7 @@ buildscript {
         jcenter()
     }
 
-    apply from: file('gradle/buildscript.gradle'), to: buildscript 
+    apply from: file('gradle/buildscript.gradle'), to: buildscript
 }
 
 allprojects {
@@ -27,6 +27,7 @@ allprojects {
 
 subprojects {
     apply plugin: 'java'
+    apply plugin: 'shadow'
     group = "com.netflix.rxjava"
 
     // make 'examples' use the same classpath
@@ -55,12 +56,19 @@ subprojects {
 		dependsOn(perfClasses)
     }
 
+    task perfJar(type: Jar, dependsOn: perfClasses) {
+        from sourceSets.perf.output + sourceSets.main.output
+    }
+
     dependencies {
         perfCompile 'org.openjdk.jmh:jmh-core:0.5.3'
         perfCompile 'org.openjdk.jmh:jmh-generator-annprocess:0.5.3'
-
         //perfCompile project
     }
+
+    artifacts {
+        perfRuntime perfJar
+    }
 
     eclipse {  
         classpath {
@@ -120,7 +128,17 @@ subprojects {
 	 		args '.*OperatorSerializePerf.*' // for running only a specific test
 		}
 	}
-	
+
+    shadow {
+        classifier = "benchmarks"
+        includeDependenciesFor = ["runtime", "perfRuntime"]
+
+        transformer(com.github.jengelman.gradle.plugins.shadow.transformers.ManifestResourceTransformer) {
+            mainClass = "org.openjdk.jmh.Main"
+        }
+    }
+
+    shadowJar.dependsOn perfJar
 }
 
 project(':rxjava-core') {

gradle/buildscript.gradle

@@ -2,10 +2,16 @@
 repositories {
     // Repo in addition to maven central
     repositories { maven { url 'http://dl.bintray.com/content/netflixoss/external-gradle-plugins/' } } // For gradle-release
+    maven {
+        //FIXME: waiting for https://github.com/johnrengelman/shadow/pull/38 to merge
+        name 'Shadow'
+        url 'http://dl.bintray.com/content/gvsmirnov/gradle-plugins'
+    }
 }
 dependencies {
     classpath 'nl.javadude.gradle.plugins:license-gradle-plugin:0.6.1'
     classpath 'com.mapvine:gradle-cobertura-plugin:0.1'
     classpath 'gradle-release:gradle-release:1.1.5'
     classpath 'org.ajoberstar:gradle-git:0.5.0'
+    classpath 'com.github.jengelman.gradle.plugins:shadow:0.8.1'
 }