Introduce jps-compatible-base plugin to create necessary configurations

To avoid generating static accessors (via kotlinDslAccessorsSnapshot),
we need to create all necessary configurations during 'plugins'
block evaluation.

buildSrc/build.gradle.kts

@@ -33,6 +33,10 @@ plugins {
 
 gradlePlugin {
     (plugins) {
+        "jps-compatible-base" {
+            id = "jps-compatible-base"
+            implementationClass = "org.jetbrains.kotlin.pill.JpsCompatibleBasePlugin"
+        }
         "jps-compatible" {
             id = "jps-compatible"
             implementationClass = "org.jetbrains.kotlin.pill.JpsCompatiblePlugin"

buildSrc/src/main/kotlin/dependencies.kt

@@ -107,10 +107,6 @@ object EmbeddedComponents {
     val CONFIGURATION_NAME = "embeddedComponents"
 }
 
-fun Project.containsEmbeddedComponents() {
-    configurations.create(EmbeddedComponents.CONFIGURATION_NAME)
-}
-
 fun AbstractCopyTask.fromEmbeddedComponents() {
     val embeddedComponents = project.configurations.getByName(EmbeddedComponents.CONFIGURATION_NAME)
     if (this is ShadowJar) {

buildSrc/src/main/kotlin/pill/plugin.kt

@@ -10,6 +10,12 @@ import shadow.org.jdom2.output.Format
 import shadow.org.jdom2.output.XMLOutputter
 import java.io.File
 
+class JpsCompatibleBasePlugin : Plugin<Project> {
+    override fun apply(project: Project) {
+        project.configurations.create(EmbeddedComponents.CONFIGURATION_NAME)
+    }
+}
+
 class JpsCompatiblePlugin : Plugin<Project> {
     companion object {
         private const val JPS_LIBRARY_PATH = "jpsLibraryPath"
@@ -64,6 +70,7 @@ class JpsCompatiblePlugin : Plugin<Project> {
     }
 
     override fun apply(project: Project) {
+        project.plugins.apply(JpsCompatibleBasePlugin::class.java)
         // 'jpsTest' does not require the 'tests-jar' artifact
         project.configurations.create("jpsTest")