protobuf-generator-maven-plugin.xml

<pluginRepositories>
    <pluginRepository>
        <releases>
            <enabled>true</enabled>
        </releases>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
        <id>hualalapluginreleases</id>
        <name>Hualala Plugin Releases Repository</name>
        <url>http://repo.hualala.com/nexus/content/repositories/releases/</url>
    </pluginRepository>
    <pluginRepository>
        <releases>
            <enabled>false</enabled>
        </releases>
        <snapshots>
            <enabled>true</enabled>
            <updatePolicy>always</updatePolicy>
        </snapshots>
        <id>hualalapluginsnapshots</id>
        <name>Hualala Plugin Snapshots Repository</name>
        <url>http://repo.hualala.com/nexus/content/repositories/snapshots/</url>
    </pluginRepository>
</pluginRepositories>

<build>
    <plugins>
        <plugin>
            <groupId>com.dld.hll</groupId>
            <artifactId>protobuf-generator-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>