maven-dependency-plugin/src/it/mrm/settings.xml

<?xml version="1.0" encoding="UTF-8"?>

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<settings>
  <mirrors>
    <mirror>
      <id>mrm-maven-plugin</id>
      <name>Mock Repository Manager</name>
      <url>@repository.proxy.url@</url>
      <mirrorOf>*,!fake-remote-repository</mirrorOf>
    </mirror>
  </mirrors>
  
  <profiles>
    <profile>
      <id>it-repo</id>
      <repositories>
        <repository>
          <id>snapshots</id>
          <url>@repository.proxy.url@</url>
          <releases>
            <enabled>true</enabled>
            <checksumPolicy>ignore</checksumPolicy>
            <updatePolicy>never</updatePolicy>
          </releases>
          <snapshots>
            <enabled>true</enabled>
            <checksumPolicy>ignore</checksumPolicy>
            <updatePolicy>always</updatePolicy>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <id>snapshots</id>
          <url>@repository.proxy.url@</url>
          <releases>
            <enabled>true</enabled>
            <checksumPolicy>ignore</checksumPolicy>
            <updatePolicy>never</updatePolicy>
          </releases>
          <snapshots>
            <enabled>true</enabled>
            <checksumPolicy>ignore</checksumPolicy>
            <updatePolicy>always</updatePolicy>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
    </profile>
  </profiles>
  
  <activeProfiles>
    <activeProfile>it-repo</activeProfile>
  </activeProfiles>
</settings>