descriptor's requiredConnectivity field.

  * If <<<(offline == true) && (requiresOnline != true)>>>, bind
    the mojo to the lifecycle.

    In this case, the client is <<offline>>, and the mojo does not require
    online status.

  * If <<<(offline == false) && (requiresOnline == true)>>>, bind
    the mojo to the lifecycle.

          <plugin>
            <inherited>true</inherited>
            <artifactId>maven-deploy-plugin</artifactId>
            <version>2.3</version>
            <configuration>
              <altDeploymentRepository>${deploy.altRepository}</altDeploymentRepository>
              <updateReleaseInfo>true</updateReleaseInfo>
            </configuration>
          </plugin>

                    <testTarget>${jdkVersion}</testTarget>
                    <compilerVersion>1.5</compilerVersion>
                    <showDeprecation>true</showDeprecation>
                    <showWarnings>true</showWarnings>
                    <debug>true</debug>
                    <fork>true</fork>
                    <compilerArgs>
                        <arg>-Xlint:unchecked</arg>
                    </compilerArgs>