nb-repository-plugin/src/it/folder/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project 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/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>nb-repository-plugin-it-root</artifactId>
        <version>1.0-SNAPSHOT</version>
        <relativePath>../pom.xml</relativePath>
    </parent>
    <artifactId>nb-repository-plugin-it-single-module</artifactId>
    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>nb-repository-plugin</artifactId>
                <executions>
                    <execution>
                        <phase>install</phase>
                        <goals>
                            <goal>download</goal>
                        </goals>
                        <configuration>
                            <nexusIndexDirectory>${project.build.directory}/indextest</nexusIndexDirectory>
                            <repositoryUrl>http://repo1.maven.org/maven2</repositoryUrl>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>