Convert kotlin.init.gradle to .kts

Author: Takhion

build.gradle.kts

@@ -65,7 +65,7 @@ val publish by tasks.creating(GradleBuild::class) {
     outputs.dir(outputDir)
 
     doFirst {
-        // TODO remove once kotlin.init.gradle is rewritten in Kotlin
+        // TODO remove after finding a way to apply consts.gradle.kts to kotlin.init.gradle.kts
         // persist 'consts' properties since groovy files can't apply .kts scripts
         val storeableConsts = Properties()
         for ((key, value) in consts) {

consts.gradle.kts

@@ -47,7 +47,7 @@ val consts: Properties by extra(object : Properties() {
 
     val kotlinDir by superRootDir.resolve("kotlin")
     val outputDir by superRootDir.resolve("build/out")
-    val initFile by superRootDir.resolve("kotlin.init.gradle")
+    val initFile by superRootDir.resolve("kotlin.init.gradle.kts")
 
     val injectedParent by "__injected"
     val injectedDir by superRootDir.resolve(injectedParent)

kotlin.init.gradle

@@ -0,0 +1,45 @@
+import java.io.FileInputStream
+import java.util.Properties
+
+log("ENABLED")
+
+val consts = file("build/consts.xml").let { file -> Properties().apply { loadFromXML(FileInputStream(file)) } }
+
+val kotlinVersion = consts["kotlinVersion"] as String
+val injectedDir = consts["injectedDir"]!!.let(::file)
+val injectedModuleNames = consts["injectedModuleNames"].let { (it as String).split(":").toList() }
+
+val jdk6 = 16
+val jdk8 = 18
+
+gradle.settingsEvaluated {
+    val projectNames = injectedModuleNames.map { addExtraProject(injectedDir, it) }
+    gradle.rootProject {
+        extra["deployVersion"] = kotlinVersion
+        log("set root extra deployVersion=$kotlinVersion")
+
+        (jdk6..jdk8).reversed().fold(System.getenv("JAVA_HOME")) { javaHome, jdk ->
+            val jdkEnv = "JDK_$jdk"
+            val jdkHome = findProperty(jdkEnv) as? String ?: System.getenv(jdkEnv) ?: javaHome
+            extra[jdkEnv] = jdkHome
+            log("set root extra $jdkEnv=$jdkHome")
+            jdkHome
+        }
+
+        project(projectNames.first()).afterEvaluate {
+            this@rootProject.defaultTasks = defaultTasks
+            log("set default tasks on root project from project '$path': $defaultTasks")
+        }
+    }
+}
+
+fun log(message: String) = println("Settings override: $message")
+
+fun Settings.addExtraProject(parentDir: File, dirName: String): String {
+    val projectDir = parentDir.resolve(dirName)
+    val logicalPath = ":${parentDir.name}:$dirName"
+    include(logicalPath)
+    project(logicalPath).projectDir = projectDir
+    log("injected project '$logicalPath' from '$projectDir'")
+    return logicalPath
+}