Maven configuration for running compass compile

pom.xml

<plugin>
    <groupId>de.saumya.mojo</groupId>
    <artifactId>gem-maven-plugin</artifactId>
    <version>0.28.6</version>
    <extensions>true</extensions>
    <executions>
        <execution>
            <goals>
                <goal>exec</goal>
            </goals>
            <phase>compile</phase>
        </execution>
    </executions>
    <configuration>
        <execArgs>${project.build.directory}/rubygems/bin/compass compile -c compass_config.rb -s compressed</execArgs>
    </configuration>
</plugin>