def userHome = temporaryFolder.getTestDirectory().getCanonicalPath()
    def mavenHome = temporaryFolder.createDir(".m2")

    def "supplies no installations for non-existing directory"(boolean useProperty) {
        assert mavenHome.delete()

        given:
        def supplier = useProperty ? createSupplier(mavenHome.getCanonicalPath(), null) : createSupplier(null, userHome)

        when:

        boolean gradleMetadata;
        boolean mavenPom;
        boolean artifact;
        boolean ignoreGradleMetadataRedirection;

        void setDefaults() {
            mavenPom();
            ignoreGradleMetadataRedirection = false;
        }

        void reset() {
            gradleMetadata = false;
            mavenPom = false;
            artifact = false;

                ARTIFACT_URLS: [],
                AUTHENTICATED: false,
                AUTHENTICATION_SCHEMES: [],
                URL: getMavenHttpRepo().uri.toString(),
                METADATA_SOURCES: ['mavenPom']
            ]
        }
    }

    def "repositories used in plugins blocks are exposed via build operation"() {
        setup:

        then: "a test fixtures jar is published"
        file("build/repo/com/acme/root/1.3/root-1.3-test-fixtures.jar").exists()

        and: "appears as optional dependency in Maven POM"
        MavenPom pom = new MavenPom(file("build/repo/com/acme/root/1.3/root-1.3.pom"))
        pom.scope("runtime") {
            assertOptionalDependencies(
                    "org.apache.commons:commons-lang3:3.9"
            )
        }

 * </p><p>
 * To customize the metadata published in the generated POM, set properties, e.g. {@link MavenPom#getDescription()}, on the POM returned via the {@link #getPom()}
 * method or directly by an action (or closure) passed into {@link #pom(org.gradle.api.Action)}.
 * As a last resort, it is possible to modify the generated POM using the {@link MavenPom#withXml(org.gradle.api.Action)} method.
 * </p>

                    url "${emptyRepo.uri}"
                    metadataSources {
                        mavenPom()
                        artifact()
                    }
                }
                maven {
                    url "${mavenHttpRepo.uri}"
                    metadataSources {
                        mavenPom()
                        artifact()
                    }
                }
            }

        def platformGMM = mavenHttpRepo.module("org", "other-platform", "1.0")
            .asGradlePlatform()
            .dependencyConstraint(foo)
            .publish()
        def mavenBom = mavenHttpRepo.module("org", "bom-platform", "1.0")
            .hasType("pom")
            .dependencyConstraint(foo)
            .publish()

import org.gradle.integtests.fixtures.WellBehavedPluginTest
import org.gradle.integtests.fixtures.archives.TestReproducibleArchives
import org.gradle.test.fixtures.archive.TarTestFixture
import org.gradle.test.fixtures.maven.MavenPom

@TestReproducibleArchives
class DistributionPluginIntegrationTest extends WellBehavedPluginTest {
    @Override
    String getMainTask() {
        return "distZip"
    }

    def setup() {

        repository.metadataSources(new Action<MavenArtifactRepository.MetadataSources>() {
            @Override
            void execute(MavenArtifactRepository.MetadataSources metadataSources) {
                metadataSources.mavenPom()
                metadataSources.artifact()
                metadataSources.gradleMetadata()
                metadataSources.ignoreGradleMetadataRedirection()
            }
        })

        when:

        Path mavenSystemHome = properties.containsKey("maven.home")
                ? Paths.get(properties.get("maven.home"))
                : properties.containsKey("env.MAVEN_HOME") ? Paths.get(properties.get("env.MAVEN_HOME")) : null;

        DefaultRepositorySystemSession rsession = new DefaultRepositorySystemSession(h -> false);
        rsession.setSystemProperties(properties);