Filter out non-jar files in runtime classpath

WiX linker fails to find class files of inlined functions for some reason
(maybe because of '$' character in name or long paths)

Fixes #196

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/desktop/application/dsl/ConfigurationSource.kt

@@ -9,7 +9,9 @@ import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
 
 internal sealed class ConfigurationSource {
     abstract val jarTaskName: String
-    abstract val runtimeClasspath: FileCollection
+
+    abstract fun runtimeClasspath(project: Project): FileCollection
+
     fun jarTask(project: Project): TaskProvider<Jar> =
         project.tasks.named(jarTaskName, Jar::class.java)
 
@@ -17,8 +19,11 @@ internal sealed class ConfigurationSource {
         override val jarTaskName: String
             get() = sourceSet.jarTaskName
 
-        override val runtimeClasspath: FileCollection
-            get() = sourceSet.runtimeClasspath
+        override fun runtimeClasspath(project: Project): FileCollection =
+            project.objects.fileCollection().apply {
+                from(jarTask(project).flatMap { it.archiveFile })
+                from(sourceSet.runtimeClasspath.filter { it.path.endsWith(".jar") })
+            }
 
     }
 
@@ -26,10 +31,10 @@ internal sealed class ConfigurationSource {
         override val jarTaskName: String
             get() = target.artifactsTaskName
 
-        override val runtimeClasspath: FileCollection
-            get() = target.project.objects.fileCollection().apply {
-                from(jarTask(target.project).flatMap { it.archiveFile })
-                from(target.compilations.getByName("main").runtimeDependencyFiles)
+        override fun runtimeClasspath(project: Project): FileCollection =
+            project.objects.fileCollection().apply {
+                from(jarTask(project).flatMap { it.archiveFile })
+                from(target.compilations.getByName("main").runtimeDependencyFiles.filter { it.path.endsWith(".jar") })
             }
     }
 }

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/desktop/application/internal/configureApplication.kt

@@ -125,7 +125,7 @@ internal fun AbstractJPackageTask.configurePackagingTask(
 
     app._configurationSource?.let { configSource ->
         dependsOn(configSource.jarTaskName)
-        files.from(configSource.runtimeClasspath)
+        files.from(configSource.runtimeClasspath(project))
         launcherMainJar.set(app.mainJar.orElse(configSource.jarTask(project).flatMap { it.archiveFile }))
     }
 
@@ -188,7 +188,7 @@ private fun JavaExec.configureRunTask(app: Application) {
 
     app._configurationSource?.let { configSource ->
         dependsOn(configSource.jarTaskName)
-        cp.from(configSource.runtimeClasspath)
+        cp.from(configSource.runtimeClasspath(project))
     }
 
     classpath = cp
@@ -207,7 +207,7 @@ private fun Jar.configurePackageUberJarForCurrentOS(app: Application) {
 
         app._configurationSource?.let { configSource ->
             dependsOn(configSource.jarTaskName)
-            from(flattenJars(configSource.runtimeClasspath))
+            from(flattenJars(configSource.runtimeClasspath(project)))
         }
 
         app.mainClass?.let { manifest.attributes["Main-Class"] = it }

gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/DesktopApplicationTest.kt

@@ -57,7 +57,7 @@ class DesktopApplicationTest : GradlePluginTestBase() {
             OS.Windows -> "msi"
             OS.MacOS -> "dmg"
         }
-        file("build/compose/binaries/main/$ext/simple-1.0.$ext")
+        file("build/compose/binaries/main/$ext/TestPackage-1.0.$ext")
             .checkExists()
         assertEquals(TaskOutcome.SUCCESS, result.task(":package${ext.capitalize()}")?.outcome)
         assertEquals(TaskOutcome.SUCCESS, result.task(":package")?.outcome)

gradle-plugins/compose/src/test/test-projects/application/jvm/src/main/kotlin/main.kt

@@ -1 +1,18 @@
-fun main() {}
+import androidx.compose.desktop.Window
+import androidx.compose.material.Text
+import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.*
+
+fun main() = Window {
+    val scope = rememberCoroutineScope()
+    var text by remember { mutableStateOf("Hello, World!") }
+
+    MaterialTheme {
+        Button(onClick = {
+            text = "Hello, Desktop!"
+        }) {
+            Text(text)
+        }
+    }
+}

gradle-plugins/compose/src/test/test-projects/application/mpp/build.gradle

@@ -33,8 +33,29 @@ compose.desktop {
     application {
         mainClass = "MainKt"
         nativeDistributions {
-            version = "1.0"
             targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
+
+            version = "1.0"
+            packageName = "TestPackage"
+            description = "Test description"
+            copyright = "Test Copyright Holder"
+            vendor = "Test Vendor"
+
+            linux {
+                shortcut = true
+                packageName = "compose"
+                debMaintainer = "example@example.com"
+                menuGroup = "menu-group"
+            }
+            windows {
+                console = true
+                dirChooser = true
+                perUserInstall = true
+                shortcut = true
+                menu = true
+                menuGroup = "compose"
+                upgradeUuid = "2d6ff464-75be-40ad-a256-56420b9cc374"
+            }
         }
     }
 }