Improve build DSL

buildSrc/src/main/kotlin/artifacts.kt

@@ -6,6 +6,8 @@ import org.gradle.api.tasks.*
 import org.gradle.kotlin.dsl.*
 import org.gradle.api.artifacts.Configuration
 import org.gradle.api.artifacts.ConfigurationContainer
+import org.gradle.api.artifacts.Dependency
+import org.gradle.api.file.DuplicatesStrategy
 import org.gradle.api.plugins.JavaPluginConvention
 import org.gradle.api.tasks.javadoc.Javadoc
 import org.gradle.jvm.tasks.Jar
@@ -30,12 +32,23 @@ fun<T> Project.runtimeJarArtifactBy(task: Task, artifactRef: T, body: Configurab
     addArtifact("runtimeJar", task, artifactRef, body)
 }
 
-fun<T: Jar> Project.runtimeJar(task: T, body: T.() -> Unit = {}): T =
-        task.apply {
-            setupPublicJar()
-            body()
-            project.runtimeJarArtifactBy(this, this)
-        }
+fun Project.buildVersion(): Dependency {
+    val cfg = configurations.create("build-version")
+    return dependencies.add(cfg.name, dependencies.project(":prepare:build.version", configuration = "buildVersion"))
+}
+
+fun<T: Jar> Project.runtimeJar(task: T, body: T.() -> Unit = {}): T {
+    val buildVersionCfg = configurations.create("buildVersion")
+    dependencies.add(buildVersionCfg.name, dependencies.project(":prepare:build.version", configuration = "buildVersion"))
+    extra["runtimeJarTask"] = task
+    return task.apply {
+        setupPublicJar()
+        from(buildVersionCfg) { into("META-INF") }
+        duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+        body()
+        project.runtimeJarArtifactBy(this, this)
+    }
+}
 
 fun Project.runtimeJar(taskName: String = "jar", body: Jar.() -> Unit = {}): Jar = runtimeJar(getOrCreateTask(taskName, body))
 
@@ -88,10 +101,8 @@ fun Project.ideaPlugin(subdir: String = "lib", body: Copy.() -> Unit) {
     }
 }
 
-fun Project.ideaPlugin() = ideaPlugin {
-    tasks.findByName("jar")?.let {
-        from(it)
-    }
+fun Project.ideaPlugin(subdir: String = "lib") = ideaPlugin(subdir) {
+    fromRuntimeJarIfExists(this)
 }
 
 
@@ -104,8 +115,17 @@ fun Project.dist(body: Copy.() -> Unit) {
 }
 
 fun Project.dist() = dist {
-    tasks.findByName("jar")?.let {
-        from(it)
+    fromRuntimeJarIfExists(this)
+}
+
+private fun<T: AbstractCopyTask> Project.fromRuntimeJarIfExists(task: T) {
+    if (extra.has("runtimeJarTask")) {
+        task.from(extra["runtimeJarTask"] as Task)
+    }
+    else {
+        tasks.findByName("jar")?.let {
+            task.from(it)
+        }
     }
 }
 
@@ -133,6 +153,3 @@ fun<T> Project.addArtifact(configuration: Configuration, task: Task, artifactRef
 
 fun<T> Project.addArtifact(configurationName: String, task: Task, artifactRef: T, body: ConfigurablePublishArtifact.() -> Unit = {}) =
         addArtifact(configurations.getOrCreate(configurationName), task, artifactRef, body)
-
-inline fun<reified T: Task> Project.getOrCreateTask(taskName: String, body: T.() -> Unit): T =
-        (tasks.findByName(taskName)?.let { it as T } ?: task<T>(taskName)).apply{ body() }

buildSrc/src/main/kotlin/dependencies.kt

@@ -1,4 +1,3 @@
-
 @file:Suppress("unused") // usages in build scripts are not tracked properly
 
 import org.gradle.api.*
@@ -17,11 +16,6 @@ val bootstrapKotlinVersion: String = System.getProperty("bootstrap.kotlin.versio
 fun PluginDependenciesSpec.kotlin(module: String, version: String? = null): PluginDependencySpec =
         id("org.jetbrains.kotlin.$module") version (version ?: bootstrapKotlinVersion)
 
-fun Project.buildVersion(): Dependency {
-    val cfg = configurations.create("build-version")
-    return dependencies.add(cfg.name, dependencies.project(":prepare:build.version", configuration = "default"))
-}
-
 fun Project.commonDep(coord: String): String {
     val parts = coord.split(':')
     return when (parts.size) {
@@ -58,6 +52,8 @@ fun DependencyHandler.projectDepIntransitive(name: String): Dependency =
         project(name, configuration = "default").apply { isTransitive = false }
 
 fun DependencyHandler.projectTests(name: String): Dependency = project(name, configuration = "tests-jar").apply { isTransitive = false }
+fun DependencyHandler.projectRuntimeJar(name: String): Dependency = project(name, configuration = "runtimeJar")
+fun DependencyHandler.projectArchives(name: String): Dependency = project(name, configuration = "archives")
 
 val protobufLiteProject = ":custom-dependencies:protobuf-lite"
 fun DependencyHandler.protobufLite(): ProjectDependency =
@@ -68,7 +64,6 @@ fun DependencyHandler.protobufFull(): ProjectDependency =
         project(protobufLiteProject, configuration = "relocated").apply { isTransitive = false }
 val protobufFullTask = "$protobufLiteProject:prepare-relocated-protobuf"
 
-
 private fun File.matchMaybeVersionedArtifact(baseName: String) = name.matches(baseName.toMaybeVersionedJarRegex())
 
 private val wildcardsRe = """[^*?]+|(\*)|(\?)""".toRegex()
@@ -89,5 +84,3 @@ private fun String.toMaybeVersionedJarRegex(): Regex {
     return Regex(if (hasJarExtension) escaped else "$escaped(-\\d.*)?\\.jar") // TODO: consider more precise version part of the regex
 }
 
-val propertiesX =
-        java.util.Properties().apply { load(java.io.FileInputStream("gradle.properties")) }

buildSrc/src/main/kotlin/sourceSets.kt

@@ -99,7 +99,7 @@ fun SourceSet.none() {
     resources.srcDirs()
 }
 
-fun SourceSet.default() {
+fun SourceSet.projectDefault() {
     when (name) {
         "main" -> {
             java.srcDirs("src")

buildSrc/src/main/kotlin/tasks.kt

@@ -0,0 +1,19 @@
+@file:Suppress("unused") // usages in build scripts are not tracked properly
+
+import org.gradle.api.*
+import org.gradle.kotlin.dsl.*
+import org.gradle.api.tasks.testing.Test
+
+fun Project.projectTest(body: Test.() -> Unit = {}): Test = getOrCreateTask("test") {
+    jvmArgs("-ea", "-XX:+HeapDumpOnOutOfMemoryError", "-Xmx1200m", "-XX:+UseCodeCacheFlushing", "-XX:ReservedCodeCacheSize=128m", "-Djna.nosys=true")
+    maxHeapSize = "1200m"
+    systemProperty("idea.is.unit.test", "true")
+    environment("NO_FS_ROOTS_ACCESS_CHECK", "true")
+    environment("KOTLIN_HOME", rootProject.extra["distKotlinHomeDir"])
+    systemProperty("jps.kotlin.home", rootProject.extra["distKotlinHomeDir"])
+    ignoreFailures = System.getenv("kotlin_build_ignore_test_failures")?.let { it == "yes" } ?: false
+    body()
+}
+
+inline fun<reified T: Task> Project.getOrCreateTask(taskName: String, body: T.() -> Unit): T =
+        (tasks.findByName(taskName)?.let { it as T } ?: task<T>(taskName)).apply{ body() }