To run the TimeMachine plugin during the initialize phase of Maven add the following profile to your pom.xml.
<project>
...
<profiles>
<profile>
<id>Mac OS X TimeMachine build directory exclusion</id>
<activation>
<os>
<family>mac</family>
<name>mac os x</name>
</os>
</activation>
<build>
<plugins>
<plugin>
<groupId>ch.syabru.maven.plugins</groupId>
<artifactId>maven-timemachine-plugin</artifactId>
<version>1.0.0</version>
<executions>
<execution>
<goals>
<goal>exclude</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
...
</project>