Adding blank outputFileNameMapping entry to the dependencySet to avoid unpacking into ${artifactId} subdirectories, and binding the assembly:single goal to the package phase to automatically make/attach the -dep artifact.

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@477314 13f79535-47bb-0310-9956-ffa450edef68

maven-embedder/pom.xml

@@ -33,6 +33,15 @@
         <configuration>
           <descriptor>src/main/assembly/dep.xml</descriptor>
         </configuration>
+        <executions>
+          <execution>
+            <id>make-assembly</id>
+            <phase>package</phase>
+            <goals>
+              <goal>single</goal>
+            </goals>
+          </execution>
+        </executions>
       </plugin>
     </plugins>
   </build>

maven-embedder/src/main/assembly/dep.xml

@@ -15,6 +15,7 @@
   <dependencySets>
     <dependencySet>
       <outputDirectory>/</outputDirectory>
+      <outputFileNameMapping></outputFileNameMapping>
       <unpack>true</unpack>
       <scope>runtime</scope>
       <excludes>