KT-54969 Kotlin artifacts withPodspec DSL

.idea/dictionaries/Artem_Daugel_Dauge.xml

@@ -0,0 +1,8 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="Artem.Daugel-Dauge">
+    <words>
+      <w>vendored</w>
+      <w>xcframework</w>
+    </words>
+  </dictionary>
+</component>

libraries/tools/kotlin-gradle-plugin-api/api/kotlin-gradle-plugin-api.api

@@ -143,6 +143,7 @@ public abstract interface class org/jetbrains/kotlin/gradle/dsl/KaptJavacOption
 public abstract interface class org/jetbrains/kotlin/gradle/dsl/KotlinArtifact : org/gradle/api/Named, org/gradle/api/plugins/ExtensionAware {
 	public abstract fun getArtifactName ()Ljava/lang/String;
 	public abstract fun getModules ()Ljava/util/Set;
+	public abstract fun getOutDir ()Ljava/lang/String;
 	public abstract fun getTaskName ()Ljava/lang/String;
 	public abstract fun registerAssembleTask (Lorg/gradle/api/Project;)V
 }

libraries/tools/kotlin-gradle-plugin-api/src/common/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinArtifact.kt

@@ -15,6 +15,7 @@ interface KotlinArtifact : Named, ExtensionAware {
     val artifactName: String
     val modules: Set<Any>
     val taskName: String
+    val outDir: String
     fun registerAssembleTask(project: Project)
 }
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/native/NativeLibraryDslWithCocoapodsIT.kt

@@ -0,0 +1,125 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.native
+
+import org.jetbrains.kotlin.gradle.BaseGradleIT
+import org.jetbrains.kotlin.gradle.GradleVersionRequired
+import org.jetbrains.kotlin.gradle.transformProjectWithPluginsDsl
+import org.jetbrains.kotlin.konan.target.HostManager
+import org.junit.Assume
+import org.junit.BeforeClass
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class NativeLibraryDslWithCocoapodsIT : BaseGradleIT() {
+
+    companion object {
+        @BeforeClass
+        @JvmStatic
+        fun assumeMacHost() {
+            Assume.assumeTrue(HostManager.hostIsMac)
+        }
+    }
+
+    override val defaultGradleVersion = GradleVersionRequired.FOR_MPP_SUPPORT
+
+    @Test
+    fun `check registered gradle tasks`() {
+        project {
+            build(":shared:tasks") {
+                assertSuccessful()
+                assertTasksRegistered(
+                    ":shared:generateMylibPodspec",
+                    ":shared:generateMyslibPodspec",
+                    ":shared:generateMyframePodspec",
+                    ":shared:generateMyfatframePodspec",
+                    ":shared:generateSharedPodspec",
+                    ":lib:generateGrooframePodspec",
+                )
+                assertTasksNotRegistered(
+                    ":shared:generateMyfatframewithoutpodspecPodspec",
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `generate podspec when assembling lib`() {
+        project {
+            build(":shared:assembleMylibSharedLibraryLinuxX64") {
+                assertSuccessful()
+                assertTasksExecuted(":shared:generateMylibPodspec")
+                assertFilesContentEqual("podspecs/mylib.podspec", "/shared/build/out/dynamic/mylib.podspec")
+            }
+        }
+    }
+
+    @Test
+    fun `generate podspec when assembling shared lib`() {
+        project {
+            build(":shared:assembleMyslibSharedLibraryLinuxX64") {
+                assertSuccessful()
+                assertTasksExecuted(":shared:generateMyslibPodspec")
+                assertFilesContentEqual("podspecs/myslib.podspec", "/shared/build/out/dynamic/myslib.podspec")
+            }
+        }
+    }
+
+    @Test
+    fun `generate podspec when assembling framework`() {
+        project {
+            build(":shared:assembleMyframeFrameworkIosArm64") {
+                assertSuccessful()
+                assertTasksExecuted(":shared:generateMyframePodspec")
+                assertFilesContentEqual("podspecs/myframe.podspec", "/shared/build/out/framework/myframe.podspec")
+            }
+        }
+    }
+
+    @Test
+    fun `generate podspec when assembling fat framework`() {
+        project {
+            build(":shared:assembleMyfatframeFatFramework") {
+                assertSuccessful()
+                assertTasksExecuted(":shared:generateMyfatframePodspec")
+                assertFilesContentEqual("podspecs/myfatframe.podspec", "/shared/build/out/fatframework/myfatframe.podspec")
+            }
+        }
+    }
+
+    @Test
+    fun `generate podspec when assembling xcframework`() {
+        project {
+            build(":shared:assembleSharedXCFramework") {
+                assertSuccessful()
+                assertTasksExecuted(":shared:generateSharedPodspec")
+                assertFilesContentEqual("podspecs/shared.podspec", "/shared/build/out/xcframework/shared.podspec")
+            }
+        }
+    }
+
+    @Test
+    fun `generate podspec when assembling framework from groovy`() {
+        project {
+            build(":lib:assembleGrooframeFrameworkIosArm64") {
+                assertSuccessful()
+                assertTasksExecuted(":lib:generateGrooframePodspec")
+                assertFilesContentEqual("podspecs/grooframe.podspec", "/lib/build/out/framework/grooframe.podspec")
+            }
+        }
+    }
+
+    private fun project(block: Project.() -> Unit) {
+        transformProjectWithPluginsDsl("new-kn-library-dsl-cocoapods").block()
+    }
+
+    private fun CompiledProject.assertFilesContentEqual(expected: String, actual: String) {
+        assertFileExists(expected)
+        assertFileExists(actual)
+        assertEquals(fileInWorkingDir(expected).readText(), fileInWorkingDir(actual).readText())
+    }
+
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/build.gradle.kts

@@ -0,0 +1,10 @@
+plugins {
+    kotlin("multiplatform").apply(false)
+}
+
+allprojects {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/lib/build.gradle

@@ -0,0 +1,31 @@
+plugins {
+    id 'org.jetbrains.kotlin.multiplatform'
+    id 'org.jetbrains.kotlin.native.cocoapods'
+}
+
+version '0.2'
+
+kotlin {
+    linuxX64()
+    iosX64()
+    iosArm64()
+    iosSimulatorArm64()
+}
+
+kotlinArtifacts {
+    it.native.Framework("grooframe") {
+        modes(DEBUG, RELEASE)
+        target = iosArm64
+        addModule(project(":shared"))
+
+        withPodspec {
+            attribute('license', 'Apache-2.0')
+            attribute('homepage', 'https://example.com/lib')
+            attribute('ios.deployment_target', '"10.0"')
+            attribute('swift_versions', '[\'4\', \'5\']')
+
+            rawStatement('    # This is raw statement that is appended \'as is\' to the podspec')
+            rawStatement('    spec.frameworks = \'CFNetwork\'')
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/lib/src/commonMain/kotlin/org/my/sam/Platform.kt

@@ -0,0 +1,5 @@
+package org.my.sam
+
+class Greeting {
+    fun greeting() = "Hello, lib!"
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/podspecs/grooframe.podspec

@@ -0,0 +1,13 @@
+Pod::Spec.new do |spec|
+    spec.name                     = 'grooframe'
+    spec.version                  = '0.2'
+    spec.vendored_frameworks      = 'grooframe.framework'
+
+    spec.license                  = 'Apache-2.0'
+    spec.homepage                 = 'https://example.com/lib'
+    spec.ios.deployment_target    = "10.0"
+    spec.swift_versions           = ['4', '5']
+
+    # This is raw statement that is appended 'as is' to the podspec
+    spec.frameworks = 'CFNetwork'
+end

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/podspecs/myfatframe.podspec

@@ -0,0 +1,6 @@
+Pod::Spec.new do |spec|
+    spec.version                  = '0.1'
+    spec.vendored_frameworks      = 'myfatframe.framework'
+
+    spec.name                     = 'custom-podspec-name'
+end

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/podspecs/myframe.podspec

@@ -0,0 +1,7 @@
+Pod::Spec.new do |spec|
+    spec.name                     = 'myframe'
+    spec.version                  = '0.1'
+    spec.vendored_frameworks      = 'myframe.framework'
+
+    spec.prefix_header_file       = false
+end

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/podspecs/mylib.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |spec|
+    spec.name                     = 'mylib'
+    spec.version                  = '0.1'
+    spec.vendored_library         = 'mylib.dylib'
+
+    spec.description              = <<-DESC
+                                      Computes the meaning of life.
+                                      Features:
+                                      1. Is self aware
+                                      ...
+                                      42. Likes candies
+                                    DESC
+    spec.static_framework         = true
+    spec.requires_arc             = 'true'
+    spec.authors                  = 'Tony O\'Connor'
+end

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/podspecs/myslib.podspec

@@ -0,0 +1,5 @@
+Pod::Spec.new do |spec|
+    spec.name                     = 'myslib'
+    spec.version                  = '0.1'
+    spec.vendored_library         = 'myslib.dylib'
+end

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/podspecs/shared.podspec

@@ -0,0 +1,16 @@
+Pod::Spec.new do |spec|
+    spec.name                     = 'shared'
+    spec.vendored_frameworks      = 'shared.xcframework'
+
+    spec.version                  = '5.6.2'
+    spec.license                  = 'MIT'
+    spec.homepage                 = 'https://github.com/Alpaca/Alpaca'
+    spec.source                   = { :git => 'https://github.com/Alpaca/Alpaca.git', :tag => spec.version }
+    spec.ios.deployment_target    = '10.0'
+    spec.osx.deployment_target    = '10.12'
+    spec.watchos.deployment_target = '3.0'
+    spec.swift_versions           = ['4', '5']
+
+    # This is raw statement that is appended 'as is' to the podspec
+    spec.frameworks = 'CFNetwork'
+end

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/settings.gradle.kts

@@ -0,0 +1,2 @@
+include(":shared")
+include(":lib")

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/shared/build.gradle.kts

@@ -0,0 +1,96 @@
+import org.jetbrains.kotlin.gradle.plugin.cocoapods.withPodspec
+
+plugins {
+    kotlin("multiplatform")
+    kotlin("native.cocoapods")
+}
+
+version = "0.1"
+
+kotlin {
+    linuxX64()
+    iosX64()
+    iosArm64()
+    iosSimulatorArm64()
+}
+
+kotlinArtifacts {
+    Native.Library("mylib") {
+        target = linuxX64
+
+        withPodspec {
+            attribute(
+                "description", """                   |<<-DESC
+                |                                      Computes the meaning of life.
+                |                                      Features:
+                |                                      1. Is self aware
+                |                                      ...
+                |                                      42. Likes candies
+                |                                    DESC
+                """.trimMargin()
+            )
+
+            attribute("static_framework", "true")
+            attribute("requires_arc", "'true'")
+            attribute("authors", "Tony O'Connor")
+        }
+    }
+    Native.Library("myslib") {
+        target = linuxX64
+        isStatic = false
+        modes(DEBUG)
+        addModule(project(":lib"))
+
+        withPodspec {} // intentionally empty
+    }
+    Native.Framework("myframe") {
+        modes(DEBUG, RELEASE)
+        target = iosArm64
+        isStatic = false
+        embedBitcode = EmbedBitcodeMode.MARKER
+
+        withPodspec {
+            attribute("prefix_header_file", "false")
+        }
+    }
+    Native.Framework("myframewihtoutpodspec") {
+        modes(DEBUG, RELEASE)
+        target = iosArm64
+        isStatic = false
+        embedBitcode = EmbedBitcodeMode.MARKER
+    }
+    Native.FatFramework("myfatframe") {
+        targets(iosX64, iosSimulatorArm64)
+        embedBitcode = EmbedBitcodeMode.DISABLE
+        toolOptions {
+            suppressWarnings.set(true)
+        }
+
+        withPodspec {
+            attribute("name", "custom-podspec-name")
+        }
+    }
+    Native.XCFramework {
+        targets(iosX64, iosArm64, iosSimulatorArm64)
+        setModules(
+            project(":shared"),
+            project(":lib")
+        )
+
+        withPodspec {
+            attribute("version", "5.6.2")
+            attribute("license", "MIT")
+            attribute("homepage", "https://github.com/Alpaca/Alpaca")
+            attribute("source", "{ :git => 'https://github.com/Alpaca/Alpaca.git', :tag => spec.version }")
+
+            attribute("ios.deployment_target", "10.0")
+            attribute("osx.deployment_target", "10.12")
+            attribute("watchos.deployment_target", "3.0")
+
+            attribute("swift_versions", "['4', '5']")
+
+            rawStatement("    # This is raw statement that is appended 'as is' to the podspec")
+            rawStatement("    spec.frameworks = 'CFNetwork'")
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl-cocoapods/shared/src/commonMain/kotlin/org/sample/application/Platform.kt

@@ -0,0 +1,5 @@
+package org.sample.application
+
+class Greeting {
+    fun greeting() = "Hello, new DSL!"
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-kn-library-dsl/shared/build.gradle.kts

@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.plugin.cocoapods.withPodspec
+
 plugins {
     kotlin("multiplatform")
 }
@@ -49,4 +51,4 @@ kotlinArtifacts {
             project(":lib")
         )
     }
-}
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/cocoapods/KotlinArtifactsPodspecExtension.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.targets.native.cocoapods
+
+import org.gradle.api.*
+import org.gradle.api.plugins.ExtensionAware
+import org.jetbrains.kotlin.gradle.plugin.cocoapods.KotlinCocoapodsPlugin
+import org.jetbrains.kotlin.gradle.plugin.findExtension
+import javax.inject.Inject
+
+abstract class KotlinArtifactsPodspecExtension @Inject constructor(private val project: Project) {
+
+    private val attrs = mutableMapOf<String, String>()
+    private val statements = mutableListOf<String>()
+
+    internal val attributes: Map<String, String>
+        get() = attrs
+
+    internal val rawStatements: List<String>
+        get() = statements
+
+    fun attribute(key: String, value: String) {
+        attrs[key] = value
+    }
+
+    fun rawStatement(statement: String) {
+        statements.add(statement)
+    }
+}
+
+val ExtensionAware.kotlinArtifactsPodspecExtension: KotlinArtifactsPodspecExtension?
+    get() = findExtension(KotlinCocoapodsPlugin.ARTIFACTS_PODSPEC_EXTENSION_NAME)

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/cocoapods/KotlinCocoapodsPlugin.kt

@@ -9,11 +9,11 @@ package org.jetbrains.kotlin.gradle.plugin.cocoapods
 import org.gradle.api.DefaultTask
 import org.gradle.api.Plugin
 import org.gradle.api.Project
+import org.gradle.api.plugins.ExtensionAware
 import org.gradle.api.provider.Provider
 import org.gradle.api.tasks.TaskProvider
 import org.jetbrains.kotlin.daemon.common.trimQuotes
-import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+import org.jetbrains.kotlin.gradle.dsl.*
-import org.jetbrains.kotlin.gradle.dsl.multiplatformExtension
 import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
 import org.jetbrains.kotlin.gradle.plugin.addExtension
 import org.jetbrains.kotlin.gradle.plugin.cocoapods.CocoapodsExtension.CocoapodsDependency
@@ -25,15 +25,20 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.apple.AppleTarget
 import org.jetbrains.kotlin.gradle.plugin.mpp.apple.FrameworkCopy
 import org.jetbrains.kotlin.gradle.plugin.mpp.apple.XCFrameworkTask
 import org.jetbrains.kotlin.gradle.plugin.whenEvaluated
+import org.jetbrains.kotlin.gradle.targets.native.cocoapods.KotlinArtifactsPodspecExtension
+import org.jetbrains.kotlin.gradle.targets.native.cocoapods.kotlinArtifactsPodspecExtension
 import org.jetbrains.kotlin.gradle.targets.native.tasks.*
+import org.jetbrains.kotlin.gradle.targets.native.tasks.artifact.kotlinArtifactsExtension
 import org.jetbrains.kotlin.gradle.tasks.*
 import org.jetbrains.kotlin.gradle.utils.asValidTaskName
 import org.jetbrains.kotlin.gradle.utils.filesProvider
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
+import org.jetbrains.kotlin.gradle.utils.newInstance
 import org.jetbrains.kotlin.konan.target.Family
 import org.jetbrains.kotlin.konan.target.HostManager
 import org.jetbrains.kotlin.konan.target.KonanTarget
 import org.jetbrains.kotlin.konan.target.KonanTarget.*
+import org.jetbrains.kotlin.utils.addToStdlib.cast
 import java.io.File
 
 internal val Project.cocoapodsBuildDirs: CocoapodsBuildDirs
@@ -149,7 +154,7 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
     private fun KotlinMultiplatformExtension.targetsForPlatform(requestedPlatform: KonanTarget) =
         supportedTargets().matching { it.konanTarget == requestedPlatform }
 
-    private fun createDefaultFrameworks(kotlinExtension: KotlinMultiplatformExtension, cocoapodsExtension: CocoapodsExtension) {
+    private fun createDefaultFrameworks(kotlinExtension: KotlinMultiplatformExtension) {
         kotlinExtension.supportedTargets().all { target ->
             target.binaries.framework(POD_FRAMEWORK_PREFIX) {
                 baseName = project.name.asValidFrameworkName()
@@ -216,7 +221,7 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
         check(targets.size == 1) { "The project has more than one target for the requested platform: `${requestedPlatform.visibleName}`" }
 
         val frameworkLinkTask = targets.single().binaries.getFramework(POD_FRAMEWORK_PREFIX, requestedBuildType).linkTaskProvider
-        project.createCopyFrameworkTask(frameworkLinkTask.flatMap { it.destinationDirectory.map { it.asFile } }, frameworkLinkTask)
+        project.createCopyFrameworkTask(frameworkLinkTask.flatMap { it.destinationDirectory.map { dir -> dir.asFile } }, frameworkLinkTask)
     }
 
     private fun createSyncTask(
@@ -387,6 +392,58 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
         }
     }
 
+    private fun registerPodspecTask(
+        project: Project,
+        artifact: KotlinNativeArtifact,
+        podspecExtension: KotlinArtifactsPodspecExtension,
+        cocoapodsExtension: CocoapodsExtension,
+    ) {
+        val artifactName = artifact.artifactName
+        val assembleTask = project.tasks.named(artifact.taskName)
+        val podspecTaskName = lowerCamelCaseName("generate", artifactName, "podspec")
+
+        val artifactType = when (artifact) {
+            is KotlinNativeLibrary -> GenerateArtifactPodspecTask.ArtifactType.Library
+            is KotlinNativeFramework -> GenerateArtifactPodspecTask.ArtifactType.Framework
+            is KotlinNativeFatFramework -> GenerateArtifactPodspecTask.ArtifactType.FatFramework
+            is KotlinNativeXCFramework -> GenerateArtifactPodspecTask.ArtifactType.XCFramework
+            else -> error("Podspec can only be generated for Library, Framework, FatFramework or XCFramework")
+        }
+
+        val podspecTask = project.tasks.register(podspecTaskName, GenerateArtifactPodspecTask::class.java) { task ->
+            task.group = TASK_GROUP
+            task.description = "Generates a podspec file for '$artifactName' artifact"
+            task.specName.set(artifactName)
+            task.specVersion.set(project.version.takeIf { it != Project.DEFAULT_VERSION }.toString())
+            task.destinationDir.set(project.buildDir.resolve(artifact.outDir))
+            task.attributes.set(podspecExtension.attributes)
+            task.rawStatements.set(podspecExtension.rawStatements)
+            task.dependencies.set(cocoapodsExtension.pods)
+            task.artifactType.set(artifactType)
+        }
+
+        assembleTask.dependsOn(podspecTask)
+    }
+
+    private fun injectPodspecExtensionToArtifacts(
+        project: Project,
+        artifactsExtension: KotlinArtifactsExtension,
+        cocoapodsExtension: CocoapodsExtension,
+    ) {
+        artifactsExtension.artifactConfigs.withType(KotlinNativeArtifactConfig::class.java) { artifactConfig ->
+            val podspecExtension = project.objects.newInstance<KotlinArtifactsPodspecExtension>(project)
+            artifactConfig.addExtension(ARTIFACTS_PODSPEC_EXTENSION_NAME, podspecExtension)
+        }
+
+        artifactsExtension.artifacts.withType(KotlinNativeArtifact::class.java) { artifact ->
+            val podspecExtension = artifact.kotlinArtifactsPodspecExtension
+
+            if (podspecExtension != null) {
+                registerPodspecTask(project, artifact, podspecExtension, cocoapodsExtension)
+            }
+        }
+    }
+
     private fun registerPodInstallTask(
         project: Project,
         cocoapodsExtension: CocoapodsExtension
@@ -688,11 +745,15 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
 
         pluginManager.withPlugin("kotlin-multiplatform") {
             val kotlinExtension = project.multiplatformExtension
+            val kotlinArtifactsExtension = project.kotlinArtifactsExtension
             val cocoapodsExtension = project.objects.newInstance(CocoapodsExtension::class.java, this)
+
             kotlinExtension.addExtension(COCOAPODS_EXTENSION_NAME, cocoapodsExtension)
-            createDefaultFrameworks(kotlinExtension, cocoapodsExtension)
+
+            createDefaultFrameworks(kotlinExtension)
             registerDummyFrameworkTask(project, cocoapodsExtension)
             createSyncTask(project, kotlinExtension, cocoapodsExtension)
+            injectPodspecExtensionToArtifacts(project, kotlinArtifactsExtension, cocoapodsExtension)
             registerPodspecTask(project, cocoapodsExtension)
 
             registerPodGenTask(project, kotlinExtension, cocoapodsExtension)
@@ -726,6 +787,7 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
         const val POD_SETUP_BUILD_TASK_NAME = "podSetupBuild"
         const val POD_BUILD_TASK_NAME = "podBuild"
         const val POD_IMPORT_TASK_NAME = "podImport"
+        const val ARTIFACTS_PODSPEC_EXTENSION_NAME = "withPodspec"
 
         // We don't move these properties in PropertiesProvider because
         // they are not intended to be overridden in local.properties.
@@ -741,3 +803,16 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
         const val GENERATE_WRAPPER_PROPERTY = "kotlin.native.cocoapods.generate.wrapper"
     }
 }
+
+/**
+ * Extends a KotlinArtifact with a corresponding Podspec
+ *
+ * Only needed in *.kts build files. In Groovy you can use the same syntax but without explicit extension import
+ */
+fun KotlinNativeArtifactConfig.withPodspec(configure: KotlinArtifactsPodspecExtension.() -> Unit) {
+    val extension = cast<ExtensionAware>().kotlinArtifactsPodspecExtension
+
+    checkNotNull(extension) { "CocoaPods plugin should be applied before using `${KotlinCocoapodsPlugin.ARTIFACTS_PODSPEC_EXTENSION_NAME}` extension" }
+
+    extension.configure()
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/GenerateArtifactPodspecTask.kt

@@ -0,0 +1,171 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.targets.native.tasks
+
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.file.RegularFile
+import org.gradle.api.provider.ListProperty
+import org.gradle.api.provider.MapProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.provider.Provider
+import org.gradle.api.tasks.*
+import org.jetbrains.kotlin.gradle.plugin.cocoapods.CocoapodsExtension.CocoapodsDependency
+import org.jetbrains.kotlin.gradle.targets.native.tasks.GenerateArtifactPodspecTask.ArtifactType.*
+import org.jetbrains.kotlin.gradle.utils.appendLine
+
+abstract class GenerateArtifactPodspecTask : DefaultTask() {
+
+    enum class ArtifactType {
+        Library, Framework, FatFramework, XCFramework
+    }
+
+    @get:Input
+    abstract val specName: Property<String>
+
+    @get:Input
+    abstract val specVersion: Property<String?>
+
+    @get:OutputDirectory
+    abstract val destinationDir: DirectoryProperty
+
+    @get:Input
+    abstract val attributes: MapProperty<String, String>
+
+    @get:Input
+    abstract val rawStatements: ListProperty<String>
+
+    @get:Nested
+    abstract val dependencies: ListProperty<CocoapodsDependency>
+
+    @get:Input
+    abstract val artifactType: Property<ArtifactType>
+
+    @get:OutputFile
+    @Suppress("LeakingThis") // should be inherited only by gradle machinery
+    val outputFile: Provider<RegularFile> = specName.flatMap { specName ->
+        destinationDir.file("$specName.podspec")
+    }
+
+    @TaskAction
+    fun generate() {
+        outputFile.get().asFile.writeText(buildString {
+
+            append("Pod::Spec.new do |spec|")
+
+            appendAttributes(buildAdditionalAttrs())
+            appendAttributes(attributes.get())
+            appendDependencies()
+            appendRawStatements()
+
+            appendLine("end")
+
+        })
+    }
+
+    private fun Appendable.appendAttributes(attributes: Map<String, String>) {
+        if (attributes.isNotEmpty()) {
+            appendLine()
+        }
+
+        for ((key, value) in attributes) {
+            append("    spec.")
+            append(key)
+
+            repeat(podspecValueIndent - key.length) { append(' ') }
+            append(" = ")
+
+            append(value.wrapInSingleQuotesIfNeeded())
+
+            appendLine()
+        }
+    }
+
+    private fun Appendable.appendDependencies() {
+        if (dependencies.get().isNotEmpty()) {
+            appendLine()
+        }
+
+        for (dependency in dependencies.get()) {
+
+            append("    spec.dependency ")
+            append(dependency.name.wrapInSingleQuotes())
+
+            val version = dependency.version
+            if (version != null) {
+                append(", ")
+                append(version.wrapInSingleQuotes())
+            }
+            appendLine()
+        }
+    }
+
+    private fun Appendable.appendRawStatements() {
+        if (rawStatements.get().isNotEmpty()) {
+            appendLine()
+        }
+
+        for (statement in rawStatements.get()) {
+            appendLine(statement)
+        }
+    }
+
+    private fun buildAdditionalAttrs(): Map<String, String> {
+        val artifactTypeValue: ArtifactType = artifactType.get()
+
+        return mutableMapOf<String, String>().apply {
+            if (!attributes.get().containsKey(specNameKey)) {
+                put(specNameKey, specName.get())
+            }
+
+            if (!attributes.get().containsKey(specVersionKey)) {
+                specVersion.get()?.let { put(specVersionKey, it) }
+            }
+
+            if (vendoredKeys.none { attributes.get().containsKey(it) }) {
+                val vendoredKey = when (artifactTypeValue) {
+                    Library -> vendoredLibrary
+                    Framework, FatFramework, XCFramework -> vendoredFrameworks
+                }
+
+                val vendoredValue = specName.get() + "." + when (artifactTypeValue) {
+                    Library -> "dylib"
+                    Framework, FatFramework -> "framework"
+                    XCFramework -> "xcframework"
+                }
+
+                put(vendoredKey, vendoredValue)
+            }
+        }
+    }
+
+    private fun String.wrapInSingleQuotesIfNeeded(): String {
+        return when {
+            startsWith('{') ||
+                    startsWith('[') ||
+                    startsWith("<<-") ||
+                    startsWith('\'') ||
+                    startsWith('"') ||
+                    equals("true") ||
+                    equals("false") -> this
+
+            else -> wrapInSingleQuotes()
+        }
+    }
+
+    private fun String.wrapInSingleQuotes() = "'" + replace("'", "\\'") + "'"
+
+    companion object {
+        private const val specNameKey = "name"
+        private const val specVersionKey = "version"
+        private const val vendoredLibrary = "vendored_library"
+        private const val vendoredLibraries = "vendored_libraries"
+        private const val vendoredFrameworks = "vendored_frameworks"
+        private const val podspecValueIndent = 24
+
+        private val vendoredKeys = listOf(vendoredLibrary, vendoredLibraries, vendoredFrameworks)
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/artifact/KotlinNativeFatFramework.kt

@@ -78,6 +78,8 @@ class KotlinNativeFatFrameworkImpl(
 ) : KotlinNativeFatFramework, ExtensionAware by extensions {
     override fun getName() = lowerCamelCaseName(artifactName, "FatFramework")
     override val taskName = lowerCamelCaseName("assemble", name)
+    override val outDir
+        get() = "out/fatframework"
 
     override fun registerAssembleTask(project: Project) {
         val parentTask = project.registerTask<Task>(taskName) {
@@ -91,7 +93,7 @@ class KotlinNativeFatFrameworkImpl(
                 lowerCamelCaseName("assemble", artifactName, buildType.visibleName, "FatFramework")
             ) {
                 it.baseName = artifactName
-                it.destinationDir = project.buildDir.resolve("out/fatframework/${buildType.getName()}")
+                it.destinationDir = project.buildDir.resolve("$outDir/${buildType.getName()}")
             }
             parentTask.dependsOn(fatTask)
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/artifact/KotlinNativeFramework.kt

@@ -72,6 +72,7 @@ class KotlinNativeFrameworkImpl(
     private val kind = NativeOutputKind.FRAMEWORK
     override fun getName() = lowerCamelCaseName(artifactName, kind.taskNameClassifier, target.presetName)
     override val taskName = lowerCamelCaseName("assemble", name)
+    override val outDir = "out/${kind.visibleName}"
 
     override fun registerAssembleTask(project: Project) {
         val resultTask = project.registerTask<Task>(taskName) { task ->
@@ -105,11 +106,11 @@ internal fun KotlinNativeArtifact.registerLinkFrameworkTask(
     librariesConfigurationName: String,
     exportConfigurationName: String,
     embedBitcode: BitcodeEmbeddingMode?,
-    outDirName: String = "out",
+    outDirName: String = outDir,
     taskNameSuffix: String = ""
 ): TaskProvider<KotlinNativeLinkArtifactTask> {
     val kind = NativeOutputKind.FRAMEWORK
-    val destinationDir = project.buildDir.resolve("$outDirName/${kind.visibleName}/${target.visibleName}/${buildType.visibleName}")
+    val destinationDir = project.buildDir.resolve("$outDirName/${target.visibleName}/${buildType.visibleName}")
     val resultTask = project.registerTask<KotlinNativeLinkArtifactTask>(
         lowerCamelCaseName("assemble", name, buildType.visibleName, kind.taskNameClassifier, target.presetName, taskNameSuffix),
         listOf(target, kind.compilerOutputKind)

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/artifact/KotlinNativeLibrary.kt

@@ -67,6 +67,7 @@ class KotlinNativeLibraryImpl(
     private val kind = if (isStatic) NativeOutputKind.STATIC else NativeOutputKind.DYNAMIC
     override fun getName() = lowerCamelCaseName(artifactName, kind.taskNameClassifier, "Library", target.presetName)
     override val taskName = lowerCamelCaseName("assemble", name)
+    override val outDir = "out/${kind.visibleName}"
 
     override fun registerAssembleTask(project: Project) {
         val resultTask = project.registerTask<Task>(taskName) { task ->
@@ -84,6 +85,7 @@ class KotlinNativeLibraryImpl(
                 listOf(target, kind.compilerOutputKind)
             ) { task ->
                 task.description = "Assemble ${kind.description} '$artifactName' for a target '${target.name}'."
+                task.destinationDir.set(project.buildDir.resolve("$outDir/${target.visibleName}/${buildType.visibleName}"))
                 task.enabled = target.enabledOnCurrentHost
                 task.baseName.set(artifactName)
                 task.optimized.set(buildType.optimized)

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/artifact/KotlinNativeXCFramework.kt

@@ -78,6 +78,8 @@ class KotlinNativeXCFrameworkImpl(
 ) : KotlinNativeXCFramework, ExtensionAware by extensions {
     override fun getName() = lowerCamelCaseName(artifactName, "XCFramework")
     override val taskName = lowerCamelCaseName("assemble", name)
+    override val outDir: String
+        get() = "out/xcframework"
 
     override fun registerAssembleTask(project: Project) {
         val parentTask = project.registerTask<Task>(taskName) {
@@ -120,7 +122,7 @@ class KotlinNativeXCFrameworkImpl(
             }
             holder.task.configure {
                 it.fromFrameworkDescriptors(frameworkDescriptors)
-                it.outputDir = project.buildDir.resolve("out/xcframework")
+                it.outputDir = project.buildDir.resolve(outDir)
             }
         }
     }