enablePrecompiledPluginsInBuildSrc()

        file("buildSrc/src/main/groovy/child1.gradle") << "println 'child1 applied'"
        file("buildSrc/src/main/groovy/child2.gradle") << "println 'child2 applied'"
        file("buildSrc/src/main/groovy/parent.gradle") << """
            plugins {
                id 'child1'
                id 'child2'
            }
            println 'parent applied'
        """

        scope1.exportClassLoader

        def scope2 = root.createChild("child2", null).export(c1).local(c2).lock()
        scope2.exportClassLoader

        then:
        scope1.exportClassLoader.is scope2.exportClassLoader

        when:
        def child = scope1.createChild("child", null).export(c1).local(c2).lock()
        child.exportClassLoader

    }

    def "writes file for module that is a child of another component"() {
        def writer = new StringWriter()
        def rootComponent = Stub(TestComponent)
        def rootPublication = publication(rootComponent, id)

        def child1 = DefaultModuleVersionIdentifier.newId("group", "child", "1")
        def childComponent = Stub(TestComponent)

    def "can resolve a graph with a local cycle caused by module replacement"() {
        given:
        def child1 = mavenRepo.module('org', 'child1', '1.0').publish()
        def child2 = mavenRepo.module('org', 'child2', '1.0').publish()
        mavenRepo.module('org', 'direct', '1.0').dependsOn(child1).dependsOn(child2).publish()

        buildFile << """
            repositories {
                maven {

        when:
        registry.realize("thing")

        then:
        ModelRuleExecutionException e = thrown()
        e.cause instanceof IllegalStateException
        e.cause.message == "Cannot create 'thing.child' using creation rule 'create thing.child as String' as model element 'thing' is no longer mutable."

<project>
    <groupId>gid</groupId>
    <artifactId>child-3</artifactId>
    <version>1.0</version>
    <packaging>pom</packaging>
    <modelVersion>4.0.0</modelVersion>

	r.Flush()
	return r.w.Close()
}

type child struct {
	conn    *conn
	handler http.Handler

	requests map[uint16]*request // keyed by request ID
}

func newChild(rwc io.ReadWriteCloser, handler http.Handler) *child {
	return &child{
		conn:     newConn(rwc),
		handler:  handler,
		requests: make(map[uint16]*request),
	}
}

func (c *child) serve() {
	defer c.conn.Close()
	defer c.cleanUp()

-->

<model>

  <extend>project.xml</extend>

  <parent>
    <groupId>maven</groupId>
    <artifactId>maven-project-test</artifactId>
    <version>1.0-beta-9</version>
  </parent>

  <artifactId>child-artifact</artifactId>
  <groupId>maven</groupId>
  <version>1.0-beta-9</version>

  <parent>
    <groupId>inheritance</groupId>
    <artifactId>parent</artifactId>
    <version>11-SNAPSHOT</version>
  </parent>

  <artifactId>child-artifact-id</artifactId>
  <name>Model urls inheritance test child</name>

        <configuration>
          <defaults>
            <parent>child</parent>
            <child>child</child>
          </defaults>
          <appends combine.children="append">
            <parent>child</parent>
            <child>child</child>
          </appends>
          <overrides combine.self="override">
            <parent>child</parent>
            <child>child</child>
          </overrides>
        </configuration>