Add necessary properties according to KT-75078

Author: ilgonmic

build.gradle.kts

@@ -9,7 +9,15 @@ group = "me.user"
 version = "1.0-SNAPSHOT"
 
 val kotlin_repo_url: String? = project.properties["kotlin_repo_url"] as String?
-val language_version: String? = project.properties["language_version"] as String?
+val kotlinLanguageVersionOverride = providers.gradleProperty("kotlin_language_version")
+    .map(org.jetbrains.kotlin.gradle.dsl.KotlinVersion::fromVersion)
+    .orNull
+val kotlinApiVersionOverride = providers.gradleProperty("kotlin_api_version")
+    .map(org.jetbrains.kotlin.gradle.dsl.KotlinVersion::fromVersion)
+    .orNull
+val kotlinAdditionalCliOptions = providers.gradleProperty("kotlin_additional_cli_options")
+    .map { it.split(" ") }
+    .orNull
 
 repositories {
     mavenCentral()
@@ -32,8 +40,37 @@ kotlin {
 
         compilations.configureEach {
             compileTaskProvider.configure {
-                language_version?.let {
-                    compilerOptions.languageVersion.set(fromVersion(it))
+                if (kotlinLanguageVersionOverride != null) {
+                    compilerOptions {
+                        languageVersion.set(kotlinLanguageVersionOverride)
+                        logger.info("[KUP] ${this@configure.path} : set LV to $kotlinLanguageVersionOverride")
+                    }
+                }
+                if (kotlinApiVersionOverride != null) {
+                    compilerOptions {
+                        apiVersion.set(kotlinApiVersionOverride)
+                        logger.info("[KUP] ${this@configure.path} : set APIV to $kotlinApiVersionOverride")
+                    }
+                }
+                if (kotlinAdditionalCliOptions != null) {
+                    compilerOptions {
+                        freeCompilerArgs.addAll(kotlinAdditionalCliOptions)
+                        logger.info(
+                            "[KUP] ${this@configure.path} : added ${
+                                kotlinAdditionalCliOptions.joinToString(
+                                    " "
+                                )
+                            }"
+                        )
+                    }
+                }
+                compilerOptions {
+                    // output reported warnings even in the presence of reported errors
+                    freeCompilerArgs.add("-Xreport-all-warnings")
+                    logger.info("[KUP] ${this@configure.path} : added -Xreport-all-warnings")
+                    // output kotlin.git-searchable names of reported diagnostics
+                    freeCompilerArgs.add("-Xrender-internal-diagnostic-names")
+                    logger.info("[KUP] ${this@configure.path} : added -Xrender-internal-diagnostic-names")
                 }
             }
         }