[Gradle] Explicitly forbid an interop-binding self-dependency in CocoaPods plugin

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

@@ -1334,6 +1334,21 @@ class CocoaPodsIT : BaseGradleIT() {
         }
     }
 
+    @Test
+    fun `configuration fails when pod depends on itself`() = with(getProjectByName("native-cocoapods-dependant-pods")) {
+        gradleBuildScript().appendToCocoapodsBlock("""
+            pod("Foo") { useInteropBindingFrom("Foo") }
+        """.trimIndent())
+
+        build(
+            ":help",
+            "-Pkotlin.native.cocoapods.generate.wrapper=true",
+        ) {
+            assertFailed()
+            assertContains("Pod 'Foo' has an interop-binding dependency on itself")
+        }
+    }
+
     // test configuration phase
 
     private class CustomHooks {

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

@@ -378,6 +378,10 @@ open class KotlinCocoapodsPlugin : Plugin<Project> {
         interop: DefaultCInteropSettings,
         dependencyName: String,
     ) {
+        if (pod.name == dependencyName) {
+            error("Pod '${pod.name}' has an interop-binding dependency on itself")
+        }
+
         val dependencyPod = cocoapodsExtension.pods.findByName(dependencyName)
             ?: error("Couldn't find declaration of pod '$dependencyName' (interop-binding dependency of pod '${pod.name}')")