// Compute goal coordinates
                String groupId, artifactId, version, goal;
                String[] p = mojo.getGoal().trim().split(":");
                if (p.length == 3) {
                    // <groupId>:<artifactId>:<goal>
                    groupId = p[0];
                    artifactId = p[1];
                    version = null;
                    goal = p[2];

<project>
  <parent>
    <artifactId>p0</artifactId>
    <groupId>maven</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven</groupId>
  <artifactId>p1</artifactId>
  <packaging>jar</packaging>
  <name>p1</name>
  <version>1.0</version>
  <scm>
    <url>scm-url</url>
  </scm>

<project>
  <parent>
    <artifactId>p1</artifactId>
    <groupId>maven.t01</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t01</groupId>
  <artifactId>p2</artifactId>
  <packaging>pom</packaging>
  <name>p2</name>
  <version>1.0</version>
  <organization>
    <name>p2-org</name>
  </organization>

    }

    /**
     * Returns the artifact filter for the standard core artifacts.
     *
     * @see org.apache.maven.ArtifactFilterManager#getCoreArtifactFilter()
     */
    @Override
    public ArtifactFilter getCoreArtifactFilter() {
        return new ExclusionSetFilter(getCoreArtifactExcludes());
    }

    @Override
    public void excludeArtifact(String artifactId) {
        getExcludedArtifacts().add(artifactId);

  <groupId>org.apache.maven.its.mng3586</groupId>
  <artifactId>test2</artifactId>
  <version>1.0</version>

  <name>Maven Integration Test :: MNG-3586</name>
  <description>
    Test that plugin dependencies with scope system are part of the plugin class realm.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin</artifactId>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven</groupId>
  <artifactId>p0</artifactId>
  <packaging>pom</packaging>
  <name>p0</name>
  <version>1.0</version>
  <organization>
    <name>Codehaus</name>
  </organization>

  <dependencyManagement>

    <dependencies>

      <dependency>
        <groupId>maven</groupId>
        <artifactId>p1</artifactId>
        <version>1.0</version>
        <scope>test</scope>

    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <properties>
        <codehaus.groupId>org.codehaus.mojo</codehaus.groupId>
    </properties>

    <build>

  <groupId>maven-test</groupId>
  <artifactId>t04-a</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <repositories>
    <repository>
      <id>central</id>
      <name>Fake Maven Central Repository</name>
      <url>file://dummy</url>
    </repository>
  </repositories>
  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t04-b</artifactId>
      <version>2.0</version>

    private Plugin findPlugin(Model model, String groupId, String artifactId) {
        if (Objects.requireNonNull(groupId, "groupId cannot be null").isEmpty()) {
            throw new IllegalArgumentException("groupId cannot be empty");
        }
        if (Objects.requireNonNull(artifactId, "artifactId cannot be null").isEmpty()) {
            throw new IllegalArgumentException("artifactId cannot be empty");
        }

  <groupId>maven-test</groupId>
  <artifactId>t09-a</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <repositories>
    <repository>
      <id>central</id>
      <name>Fake Maven Central Repository</name>
      <url>file://dummy</url>
    </repository>
  </repositories>

  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t09-b</artifactId>
      <version>1.0</version>