<dependency>
        <groupId>org.apache.maven.its</groupId>
        <artifactId>managed-dep</artifactId>
        <version>0.1</version>
        <type>war</type>
        <scope>runtime</scope>
        <exclusions>
          <exclusion>
            <groupId>org.apache.maven.its</groupId>
            <artifactId>excluded-managed-dep</artifactId>
          </exclusion>
        </exclusions>
      </dependency>

<project xmlns="http://maven.apache.org/POM/4.0.0">
    <groupId>org.apache.maven.ut</groupId>
    <artifactId>parent</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>pom</packaging>
    <modules>
        <module>dep</module>
        <module>consumer</module>
    </modules>

    @Test
    void testThatPluginDependencyThatHasSystemScopeIsResolved() throws Exception {
        MavenSession session = createMavenSession(getProject("project-contributing-system-scope-plugin-dep"));
        MavenProject project = session.getCurrentProject();
        Plugin plugin = project.getPlugin("org.apache.maven.its.plugins:maven-it-plugin");

        File pom = getProject("it0063");

        Properties eps = new Properties();
        eps.setProperty("jre.home", new File(pom.getParentFile(), "jdk/jre").getPath());

        MavenSession session = createMavenSession(pom, eps);
        MavenProject project = session.getCurrentProject();

Benjamin Bentmann <******@****.***> 1256588160 +0000

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>testing</groupId>
  <artifactId>plugin-level-dep</artifactId>
  <packaging>jar</packaging>
  <version>4.13.1</version>

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>2.0.2</version>

Benjamin Bentmann <******@****.***> 1256588160 +0000

     */
    void addDependency(Node node, Dependency dep, Predicate<PathType> filter, Path path, PathModularizationCache cache)
            throws IOException {
        nodes.add(node);
        if (dep == null) {
            return;
        }
        if (dependencies.put(dep, path) != null) {
            throw new IllegalStateException("Duplicated key: " + dep);
        }
        if (path == null) {
            return;

                org.eclipse.aether.graph.Dependency dep = RepositoryUtils.toDependency(artifact, exclusions);
                if (!DependencyScope.SYSTEM.is(dep.getScope())
                        && dep.getArtifact().getFile() != null) {
                    // enable re-resolution
                    org.eclipse.aether.artifact.Artifact art = dep.getArtifact();

                }

                if (modified) {
                    List<Dependency> newDeps = new ArrayList<>(dependencies.size());
                    for (Dependency dep : model.getDependencies()) {
                        Object key = getDependencyKey().apply(dep);
                        Dependency dependency = dependencies.get(key);
                        newDeps.add(dependency);
                    }