.Swift Application Plugin variant-dependent task graph
image::swift-application-variant-task-graph.png[]

`compile__Variant__Swift` (e.g. `compileDebugSwift` and `compileReleaseSwift`)  - link:{groovyDslPath}/org.gradle.language.swift.tasks.SwiftCompile.html[SwiftCompile]::
Depends on: All tasks that contribute source files to the compilation
::
Compiles Swift source files using the selected compiler.

        sharedLibrary("build/lib/main/debug/${lib.moduleName}").assertExists()

        when:
        succeeds "assembleRelease"

        then:
        result.assertTasksExecuted(":compileReleaseSwift", ":linkRelease", ":extractSymbolsRelease", ":stripSymbolsRelease", ":assembleRelease")
        file("build/modules/main/release/${lib.moduleName}.swiftmodule").assertIsFile()

            .withScheme('Greeter')
            .withConfiguration(DefaultXcodeProject.BUILD_RELEASE)
            .succeeds()

        then:
        resultReleaseGreeter.assertTasksExecuted(':compileReleaseSwift', ':linkRelease', ':stripSymbolsRelease', ':_xcode___Greeter_Release')
    }

    @ToBeFixedForConfigurationCache
    @Ignore('The project contains no build configurations - it may have been damaged')

include::sample[dir="snippets/swift/basic/groovy",files="build.gradle[tags=apply-swift-plugin]"]
====

By applying either of the Swift plugins, you get a whole host of features:

 * `compileDebugSwift` and `compileReleaseSwift` tasks that compiles the Swift source files under _src/main/swift_ for the well-known debug and release build types, respectively.

                compileTask.get().compilerArgs.add('-DWITH_FEATURE')
            }
         """

        expect:
        succeeds "assembleRelease"
        result.assertTasksExecuted(":compileReleaseSwift", ":linkRelease", ":extractSymbolsRelease", ":stripSymbolsRelease", ":installRelease", ":assembleRelease")

        releaseBinary.assertExists()
        releaseBinary.exec().out == app.withFeatureEnabled().expectedOutput