Update publish-plugin to published signed plugin artifacts (#295)

Closes #115

Author: fzhinkin

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ kotlinx-binaryCompatibilityValidator = "0.16.2"
 kotlinx-teamInfra = "0.4.0-dev-85"
 squareup-kotlinpoet = "1.3.0"
 jmh = "1.37"
-gradle-pluginPublish = "0.21.0"
+gradle-pluginPublish = "1.3.1"
 
 # Note: This version can be overridden by passing `-Pmin_supported_gradle_version=<version>`
 minSupportedGradle = "7.4"

plugin/build.gradle.kts

@@ -52,19 +52,17 @@ repositories {
     }
 }
 
-pluginBundle {
+gradlePlugin {
     website = "https://github.com/Kotlin/kotlinx-benchmark"
     vcsUrl = "https://github.com/Kotlin/kotlinx-benchmark.git"
-    tags = listOf("benchmarking", "multiplatform", "kotlin")
-}
 
-gradlePlugin {
     plugins {
         register("benchmarkPlugin") {
             id = "org.jetbrains.kotlinx.benchmark"
             implementationClass = "kotlinx.benchmark.gradle.BenchmarksPlugin"
             displayName = "Gradle plugin for benchmarking"
             description = "Toolkit for running benchmarks for multiplatform Kotlin code."
+            tags.set(listOf("benchmarking", "multiplatform", "kotlin"))
         }
     }
 }
@@ -182,6 +180,19 @@ if (project.findProperty("publication_repository") == "space") {
     }
 }
 
+// Both kotlinx.team.infra and Gradle publish plugins register their own javadocJar artifacts.
+// We remove one of them here to avoid the collision leading to a build failure.
+tasks.withType<AbstractPublishToMaven>().configureEach {
+    doFirst {
+        this as AbstractPublishToMaven
+        val artifactsSet = publication.artifacts
+        val javadocJars = artifactsSet.filter { it.classifier == "javadoc" }.toList()
+        javadocJars.drop(1).forEach {
+            artifactsSet.remove(it)
+        }
+    }
+}
+
 apiValidation {
     nonPublicMarkers += listOf("kotlinx.benchmark.gradle.internal.KotlinxBenchmarkPluginInternalApi")
 }