.travis-settings.xml

<settings xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
                      http://maven.apache.org/xsd/settings-1.0.0.xsd">

  <profiles>

    <!--
    Repository group which contains Zanata snapshots and releases (before they sync to Central).
    Includes Zanata api, client, common, parent, but not server.
    See https://docs.sonatype.org/display/Repository/Sonatype+OSS+Maven+Repository+Usage+Guide#SonatypeOSSMavenRepositoryUsageGuide-4.MavenRepositories
    -->
    <profile>
      <id>oss-public</id>
      <activation>
        <property>
          <name>!oss.public.off</name>
        </property>
      </activation>
      <repositories>
        <repository>
          <id>oss-public</id>
          <name>oss-public</name>
          <url>https://oss.sonatype.org/content/groups/public/</url>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <id>oss-public</id>
          <name>oss-public</name>
          <url>https://oss.sonatype.org/content/groups/public/</url>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
    </profile>

  </profiles>
</settings>