src/main/resources/META-INF/maven/archetype-metadata.xml

<archetype-descriptor xmlns="http://maven.apache.org/plugins/maven-archetype-plugin/archetype-descriptor/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/plugins/maven-archetype-plugin/archetype-descriptor/1.0.0 http://maven.apache.org/xsd/archetype-descriptor-1.0.0.xsd"
  name="quickstart" partial="false"
>

  <fileSets>

    <fileSet filtered="true" packaged="true" encoding="UTF-8">
      <directory>src/main/java</directory>
      <includes>
          <include>**/*.java</include>
      </includes>
    </fileSet>
    <fileSet filtered="true" packaged="true" encoding="UTF-8">
      <directory>src/main/resources</directory>
      <includes>
          <include>**/*</include>
      </includes>
      <!--
      <excludes>
        <exclude>**/*.java</exclude>
      </excludes>
      //-->
    </fileSet>

    <fileSet filtered="true" packaged="true" encoding="UTF-8">
      <directory>src/test/java</directory>
      <includes>
          <include>**/*.java</include>
      </includes>
    </fileSet>
    <fileSet filtered="true" packaged="true" encoding="UTF-8">
      <directory>src/test/resources</directory>
      <includes>
          <include>**/*</include>
      </includes>
      <!--
      <excludes>
        <exclude>**/*.java</exclude>
      </excludes>
      //-->
    </fileSet>

    <fileSet filtered="true" packaged="false" encoding="UTF-8">
      <directory></directory>
      <includes>
          <include>*/*.txt</include>
          <include>BUILD</include>
          <include>LICENSE</include>
          <include>NOTICE</include>
          <include>README</include>
          <include>RELEASE-NOTES</include>
      </includes>
    </fileSet>

  </fileSets>

</archetype-descriptor>