def result = run('retrieve')

        then: "Everything is up to date"
        result.assertTaskSkipped(':retrieve')
        file('libs/projectA-1.0-SNAPSHOT.jar').assertHasNotChangedSince(snapshotA);
        file('libs/nonunique-1.0-SNAPSHOT.jar').assertHasNotChangedSince(snapshotNonUnique);
    }

    def "can find and cache snapshots in Maven HTTP repository with additional artifact urls"() {
        def repo1 = mavenHttpRepo("repo1")

        outputFileA.assertHasNotChangedSince(aSnapshot)
        outputFileB.assertHasNotChangedSince(bSnapshot)

        // Update input timestamp, no content changes
        when:
        inputFile.makeOlder()
        succeeds "b"

        then:
        result.assertTasksSkipped(":a", ":b")

        outputFileA.assertHasNotChangedSince(aSnapshot)

        when:
        server.resetExpectations()
        and:
        run 'retrieve'

        then:
        file('libs/projectA-1.0.jar').assertHasNotChangedSince(snapshot)
    }

    def "can resolve with GAV containing #identifier characters"() {
        def value = identifier.safeForFileName().decorate("name")

        given:

        when:
        server.resetExpectations()
        and:
        run 'retrieve'

        then:
        file('libs/projectA-1.0.jar').assertHasNotChangedSince(snapshot)
    }

    def "falls back to directory listing when maven-metadata.xml is missing and artifact metadata source is defined"() {
        given:

        targetDir.file("gradlew").assertIsFile()
        targetDir.file("settings.gradle.kts").assertIsFile()
        targetDir.file("build.gradle.kts").assertIsFile()
        targetDir.file(".gradle/gradle.properties").assertHasNotChangedSince(snapshot)
    }

    def "can create build in user home directory when user home directory has custom name"() {
        when:
        useTestDirectoryThatIsNotEmbeddedInAnotherBuild()

        Snapshot now = snapshot();
        assertEquals(String.format("contents of %s has changed", this), snapshot.hash, now.hash);
    }

    public void assertHasNotChangedSince(Snapshot snapshot) {
        Snapshot now = snapshot();
        assertEquals(String.format("last modified time of %s has changed", this), snapshot.modTime, now.modTime);