Maven JRuby Rails example pom

<?xml version="1.0"?>
<project>
  <parent>
    <artifactId>rails-ui</artifactId>
    <groupId>com.example</groupId>
    <version>1.0-SNAPSHOT</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example</groupId>
  <artifactId>rails-ui-webapp</artifactId>
  <packaging>war</packaging>
  <name>Example Rails Webapp</name>
  <version>${project.parent.version}</version>
  <url>http://maven.apache.org</url>
  <build>
    <finalName>rails-ui-webapp</finalName>
    <plugins>
      <plugin>
        <!-- Use ANT to do all of the stuff that maven can't do. -->
        <artifactId>maven-antrun-plugin</artifactId>
        <executions>                  
          <execution>
            <phase>compile</phase>
            <configuration>
              <tasks xmlns:artifact="urn:maven-artifact-ant">
                <!-- 
                    Execute warble to create a basic war which includes the required gems and rails part. 
                    This requires jruby -S gem install warble to have been run, jruby and warble on the PATH, etc.
                -->
                <exec executable="warble" dir="${project.build.directory}/../src/main/rails" />
                <!-- Explode the warbler war into the directory structure that the maven-war-plugin will use -->
                <unjar src="${project.build.directory}/../src/main/rails/rails.war"
                    dest="${project.build.directory}/${project.build.finalName}" />
              </tasks>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
  <dependencies>
    <dependency>
      <groupId>org.jruby.rack</groupId>
      <artifactId>jruby-rack</artifactId>
    </dependency>
    <dependency>
      <groupId>org.jruby</groupId>
      <artifactId>jruby-complete</artifactId>
    </dependency>
  </dependencies>
</project>