given:
        file("repo/a-1.4.jar").createFile()
        file("repo/b.jar").createFile()
        file("repo/c.jar").createFile()

        and:
        buildFile << """
repositories { flatDir { dir 'repo' } }
configurations { compile }
dependencies {
    compile 'group:a:1.4'
    compile 'group:b:2.0'
    compile 'group:c:'
}

task check {
    def files = configurations.compile
    doLast {

    @Override
    public FlatDirectoryArtifactRepository flatDir(Action<? super FlatDirectoryArtifactRepository> action) {
        return addRepository(repositoryFactory.createFlatDirRepository(), FLAT_DIR_DEFAULT_NAME, action);
    }

    @Override
    @SuppressWarnings("rawtypes")
    public FlatDirectoryArtifactRepository flatDir(Closure configureClosure) {
        return flatDir(ConfigureUtil.configureUsing(configureClosure));
    }

                "public class DepClass { }"
        );
        builder.buildJar(testFile("repo/test-1.3.jar"));

        testFile("buildSrc/build.gradle").writelns(
                "repositories { flatDir { dirs '../repo' } }",
                "dependencies { implementation name: 'test', version: '1.3' }");
        testFile("buildSrc/src/main/java/BuildClass.java").writelns("public class BuildClass extends org.gradle.test.DepClass { }");

    @Issue("GRADLE-1621")
    def "can get Eclipse model for project with flatDir repo and external dependency without source Jar"() {
        def repoDir = projectDir.createDir("repo")
        repoDir.createFile("lib-1.0.jar")

        projectDir.file("build.gradle") << """
apply plugin: "java"

repositories {
	flatDir dirs: file("${repoDir.toURI()}")
}

dependencies {

plugins {
    java
}

// tag::file-deps[]
repositories {
    flatDir {
        name = "libs dir"
        dir(file("libs"))  // <1>
    }
}

dependencies {
    implementation(files("libs/our-custom.jar"))  // <2>
    implementation(":awesome-framework:2.0")     // <3>
    implementation(":utility-library:1.0")  // <3>
}
// end::file-deps[]

// tag::retrieve-deps[]
tasks.register<Copy>("retrieveRuntimeDependencies") {

        }
    }
}
// end::header-authenticated-maven-repo[]

// tag::flat-dir[]
// tag::flat-dir-multi[]
repositories {
    flatDir {
        dirs("lib")
    }
// end::flat-dir[]
    flatDir {
        dirs("lib1", "lib2")
    }
// tag::flat-dir[]
}
// end::flat-dir[]
// end::flat-dir-multi[]

// tag::ivy-repo[]
repositories {
    ivy {

        result.assertTaskNotExecuted(':build')

        where:
        dsl << ['groovy', 'kotlin']
    }

    @UsesSample("antMigration/fileDeps")
    def "can copy file and flatDir dependencies (#dsl)"() {
        given: "A sample Java project with file and flatDir dependencies"
        def dslDir = sample.dir.file(dsl)
        executer.inDirectory(dslDir)

        when:
        succeeds('retrieveRuntimeDependencies')

plugins {
    id 'java'
}

// tag::file-deps[]
repositories {
    flatDir {
        name = 'libs dir'
        dir file('libs')  // <1>
    }
}

dependencies {
    implementation files('libs/our-custom.jar')  // <2>
    implementation ':awesome-framework:2.0'  // <3>
    implementation ':utility-library:1.0'  // <3>
}
// end::file-deps[]

// tag::retrieve-deps[]
tasks.register('retrieveRuntimeDependencies', Copy) {

     * </table>
     *
     * <p>Examples:</p>
     * <pre class='autoTested'>
     * repositories {
     *     flatDir name: 'libs', dirs: "$projectDir/libs"
     *     flatDir dirs: ["$projectDir/libs1", "$projectDir/libs2"]
     * }
     * </pre>
     *
     * @param args The arguments used to configure the repository.
     * @return the added resolver

            </tr>
            <tr>
                <td>google</td>
            </tr>
            <tr>
                <td>mavenLocal</td>
            </tr>
            <tr>
                <td>flatDir</td>
            </tr>
            <tr>
                <td>gradlePluginPortal</td>
            </tr>
        </table>
    </section>