Add some functions to aid with KMP (#35)

utils-base/src/main/kotlin/com/eygraber/gradle/publishing/publishing.kt

@@ -0,0 +1,16 @@
+package com.eygraber.gradle.publishing
+
+import org.gradle.api.Action
+import org.gradle.api.Project
+import org.gradle.api.artifacts.repositories.ArtifactRepository
+import org.gradle.api.publish.PublishingExtension
+import org.gradle.api.publish.plugins.PublishingPlugin
+import org.gradle.kotlin.dsl.getByType
+
+public fun Project.configurePublishingRepositories(action: Action<ArtifactRepository>) {
+  plugins.whenPluginAdded {
+    if(this::class.java == PublishingPlugin::class.java) {
+      extensions.getByType<PublishingExtension>().repositories.configureEach(action)
+    }
+  }
+}

utils-detekt/src/main/kotlin/com/eygraber/gradle/detekt/detekt_common_test.kt

@@ -1,6 +1,6 @@
 package com.eygraber.gradle.detekt
 
-import com.eygraber.gradle.kotlin.kmpSourceSets
+import com.eygraber.gradle.kotlin.kmp.kmpSourceSets
 import org.gradle.api.Project
 import org.jetbrains.kotlin.gradle.plugin.KotlinMultiplatformPluginWrapper
 

utils-detekt/src/main/kotlin/com/eygraber/gradle/detekt/register_detekt_task.kt

@@ -1,6 +1,6 @@
 package com.eygraber.gradle.detekt
 
-import com.eygraber.gradle.kotlin.kmpSourceSets
+import com.eygraber.gradle.kotlin.kmp.kmpSourceSets
 import com.eygraber.gradle.tasks.dependsOn
 import io.gitlab.arturbosch.detekt.Detekt
 import io.gitlab.arturbosch.detekt.extensions.DetektExtension

utils-kotlin/src/main/kotlin/com/eygraber/gradle/kotlin/kmp/android.kt

@@ -0,0 +1,33 @@
+package com.eygraber.gradle.kotlin.kmp
+
+import org.gradle.api.Project
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+
+/**
+ * [Fixed in Kotlin 1.7.20](https://youtrack.jetbrains.com/issue/KT-48436)
+ */
+public fun Project.removeUnusedKmpAndroidSourceSets() {
+  afterEvaluate {
+    extensions.findByType(KotlinMultiplatformExtension::class.java)?.let { kmpExt ->
+      kmpExt.sourceSets.removeAll { sourceSet ->
+        sourceSet.name == "androidAndroidTestRelease" ||
+          sourceSet.name.startsWith("androidTestFixtures")
+      }
+    }
+  }
+}
+
+/**
+ * apply this hack for Android Studio because AGP and KGP aren't handling it correctly yet
+ *
+ * [Kotlin Slack](https://kotlinlang.slack.com/archives/C3PQML5NU/p1652777328313809)
+ *
+ * [Issue Tracker](https://issuetracker.google.com/issues/231701341)
+ */
+public fun KotlinMultiplatformExtension.androidStudioHackForCommonMain() {
+  sourceSets.configureEach {
+    if(name == "androidMain") {
+      kotlin.srcDir("src/commonMain/kotlin")
+    }
+  }
+}

utils-kotlin/src/main/kotlin/com/eygraber/gradle/kotlin/kmp/source_sets.kt

@@ -0,0 +1,173 @@
+package com.eygraber.gradle.kotlin.kmp
+
+import com.eygraber.gradle.publishing.configurePublishingRepositories
+import com.eygraber.gradle.tasks.dependsOn
+import org.gradle.api.NamedDomainObjectContainer
+import org.gradle.api.NamedDomainObjectProvider
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.named
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
+import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
+import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
+import java.util.Locale
+
+public val Project.kmpSourceSets: NamedDomainObjectContainer<KotlinSourceSet>
+  get() = extensions.getByType(KotlinMultiplatformExtension::class.java).sourceSets
+
+public fun KotlinTarget.mainAndTestSourceSets(): Pair<KotlinSourceSet, KotlinSourceSet> =
+  compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME).defaultSourceSet to
+    compilations.getByName(KotlinCompilation.TEST_COMPILATION_NAME).defaultSourceSet
+
+public fun KotlinMultiplatformExtension.createSharedSourceSet(
+  project: Project,
+  name: String
+) {
+  with(sourceSets) {
+    create("${name}Main") {
+      dependsOn(getByName("commonMain"))
+    }
+
+    create("${name}Test") {
+      dependsOn(getByName("commonTest"))
+    }
+  }
+
+  val sourceSetNameForTasks = name.capitalize(Locale.US)
+
+  project.configurePublishingRepositories {
+    val repoNameForTasks = name.capitalize(Locale.US)
+    project.tasks.register("publish${sourceSetNameForTasks}PublicationTo${repoNameForTasks}Repository")
+  }
+}
+
+public fun <T : KotlinTarget> KotlinMultiplatformExtension.createNestedSharedSourceSetForTargets(
+  project: Project,
+  name: String,
+  targets: List<T>,
+  parentSourceSetName: String,
+  createIntermediatePublishingTasks: Boolean = true,
+  configureTarget: (T) -> Unit
+) {
+  val (nestedMainSourceSet, nestedTestSourceSet) = with(sourceSets) {
+    val main = create("${name}Main") {
+      dependsOn(getByName("${parentSourceSetName}Main"))
+    }
+
+    val test = create("${name}Test") {
+      dependsOn(getByName("${parentSourceSetName}Test"))
+    }
+
+    main to test
+  }
+
+  val nameForTasks = name.capitalize(Locale.US)
+  val parentSourceSetNameForTasks = parentSourceSetName.capitalize(Locale.US)
+
+  if(createIntermediatePublishingTasks) {
+    project.configurePublishingRepositories {
+      val repoNameForTasks = name.capitalize(Locale.US)
+      val publishTask = project.tasks.register(
+        "publish${nameForTasks}PublicationTo${repoNameForTasks}Repository"
+      )
+
+      project.tasks.named(
+        "publish${parentSourceSetNameForTasks}PublicationTo${repoNameForTasks}Repository"
+      ).dependsOn(publishTask.name)
+    }
+  }
+
+  targets.forEach { target ->
+    configureTarget(target)
+
+    val targetNameForTasks = name.capitalize(Locale.US)
+
+    val (targetMainSourceSet, targetTestSourceSet) = target.mainAndTestSourceSets()
+    targetMainSourceSet.dependsOn(nestedMainSourceSet)
+    targetTestSourceSet.dependsOn(nestedTestSourceSet)
+
+    if(createIntermediatePublishingTasks) {
+      project.configurePublishingRepositories {
+        val repoNameForTasks = name.capitalize(Locale.US)
+
+        project.tasks.named(
+          "publish${nameForTasks}PublicationTo${repoNameForTasks}Repository"
+        ).dependsOn(
+          "publish${targetNameForTasks}PublicationTo${repoNameForTasks}Repository"
+        )
+      }
+    }
+  }
+}
+
+/**
+ * Provides the existing [androidMain][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.androidMain: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("androidMain")
+
+/**
+ * Provides the existing [androidTest][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.androidTest: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("androidTest")
+
+/**
+ * Provides the existing [appleMain][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.appleMain: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("appleMain")
+
+/**
+ * Provides the existing [appleTest][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.appleTest: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("appleTest")
+
+/**
+ * Provides the existing [iosMain][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.iosMain: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("iosMain")
+
+/**
+ * Provides the existing [iosTest][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.iosTest: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("iosTest")
+
+/**
+ * Provides the existing [macosMain][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.macosMain: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("macosMain")
+
+/**
+ * Provides the existing [macosTest][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.macosTest: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("macosTest")
+
+/**
+ * Provides the existing [jsMain][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.jsMain: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("jsMain")
+
+/**
+ * Provides the existing [jsTest][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.jsTest: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("jsTest")
+
+/**
+ * Provides the existing [jvmMain][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.jvmMain: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("jvmMain")
+
+/**
+ * Provides the existing [jvmTest][KotlinSourceSet] element.
+ */
+public val NamedDomainObjectContainer<KotlinSourceSet>.jvmTest: NamedDomainObjectProvider<KotlinSourceSet>
+  get() = named<KotlinSourceSet>("jvmTest")