Provide kotlin bootstrap source options

build.gradle.kts

@@ -6,14 +6,16 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile
 
 buildscript {
+    extra["defaultSnapshotVersion"] = "1.1-SNAPSHOT"
+
+    kotlinBootstrapFrom(BootstrapOption.BintrayDev("1.1.50-dev-1451"))
+
     val repos = listOfNotNull(
-            property("bootstrap.kotlin.repo") as String,
+            bootstrapKotlinRepo,
-            "https://repo.gradle.org/gradle/repo",
+            "https://jcenter.bintray.com/",
             "https://plugins.gradle.org/m2",
             "http://repository.jetbrains.com/utils/")
 
-    extra["bootstrapKotlinVersion"] = bootstrapKotlinVersion
-
     extra["repos"] = repos
 
     extra["versions.shadow"] = "2.0.1"
@@ -46,7 +48,7 @@ val configuredJdks: List<JdkId> =
             }
         }
 
-val defaultSnapshotVersion = "1.1-SNAPSHOT"
+val defaultSnapshotVersion: String by extra
 val buildNumber by extra(findProperty("build.number")?.toString() ?: defaultSnapshotVersion)
 val kotlinVersion by extra(findProperty("deployVersion")?.toString() ?: buildNumber)
 

buildSrc/src/main/kotlin/Bootstrap.kt

@@ -0,0 +1,78 @@
+@file:Suppress("unused") // usages in build scripts are not tracked properly
+
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.*
+
+
+var Project.bootstrapKotlinVersion: String
+    get() = this.property("bootstrapKotlinVersion") as String
+    private set(value) { this.extra["bootstrapKotlinVersion"] = value }
+var Project.bootstrapKotlinRepo: String?
+    get() = this.property("bootstrapKotlinRepo") as String?
+    private set(value) { this.extra["bootstrapKotlinRepo"] = value }
+
+fun Project.kotlinBootstrapFrom(defaultSource: BootstrapOption) {
+    val bootstrapVersion = project.findProperty("bootstrap.kotlin.version") as String?
+    val bootstrapRepo = project.findProperty("bootstrap.kotlin.repo") as String?
+    val bootstrapTeamCityVersion = project.findProperty("bootstrap.teamcity.kotlin.version") as String?
+
+    val bootstrapSource = when {
+        project.hasProperty("bootstrap.local") -> BootstrapOption.Local(project.findProperty("bootstrap.local.version") as String?, project.findProperty("bootstrap.local.path") as String?)
+        bootstrapTeamCityVersion != null -> BootstrapOption.TeamCity(bootstrapTeamCityVersion, onlySuccessBootstrap = false)
+        bootstrapVersion != null -> BootstrapOption.Custom(kotlinVersion = bootstrapVersion, repo = bootstrapRepo)
+        else -> defaultSource
+    }
+
+    bootstrapSource.applyToProject(project)
+    project.logger.lifecycle("Using kotlin bootstrap version $bootstrapKotlinVersion from repo $bootstrapKotlinRepo")
+}
+
+sealed class BootstrapOption {
+    abstract fun applyToProject(project: Project)
+
+    /** Manual repository and version specification.
+     *
+     *  If [repo] is not specified the default buildscript and project repositories are used
+     */
+    open class Custom(val kotlinVersion: String, val repo: String?) : BootstrapOption() {
+        override fun applyToProject(project: Project) {
+            project.bootstrapKotlinVersion = kotlinVersion
+            project.bootstrapKotlinRepo = repo
+        }
+    }
+
+    /** Get bootstrap from kotlin-dev bintray repo, where bootstraps are published */
+    class BintrayDev(kotlinVersion: String) : Custom(kotlinVersion, "https://dl.bintray.com/kotlin/kotlin-dev")
+
+    /** Get bootstrap from teamcity maven artifacts of the specified build configuration
+     *
+     * [kotlinVersion] build number and the version of maven artifacts
+     * [projectExtId] extId of a teamcity build configuration, by default "Kotlin_dev_Compiler",
+     * [onlySuccessBootstrap] allow artifacts only from success builds of the default branch tagged with 'bootstrap' tag
+     */
+    class TeamCity(val kotlinVersion: String, val projectExtId: String? = null, val onlySuccessBootstrap: Boolean = true) : BootstrapOption() {
+        override fun applyToProject(project: Project) {
+            val query = if (onlySuccessBootstrap) "status:SUCCESS,tag:bootstrap,pinned:true" else "branch:default:any"
+            project.bootstrapKotlinRepo = "https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:${projectExtId ?: "Kotlin_dev_Compiler"}),number:$kotlinVersion,$query/artifacts/content/maven/"
+            project.bootstrapKotlinVersion = kotlinVersion
+        }
+    }
+
+    /**
+     * Use previously published local artifacts from the build/repo maven repository
+     *
+     * [kotlinVersion] version of artifacts, by default the snapshot version of project is used
+     * [localPath] the path to local repository, if specified it is resolved with respect or project dir
+     */
+    class Local(val kotlinVersion: String? = null, val localPath: String? = null) : BootstrapOption() {
+        override fun applyToProject(project: Project) {
+            val repoPath = if (localPath != null)
+                project.projectDir.resolve(localPath).canonicalFile
+            else
+                project.buildDir.resolve("repo")
+
+            project.bootstrapKotlinRepo = repoPath.toURI().toString()
+            project.bootstrapKotlinVersion = kotlinVersion ?: project.property("defaultSnapshotVersion") as String
+        }
+    }
+}

buildSrc/src/main/kotlin/dependencies.kt

@@ -8,9 +8,7 @@ import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.plugins.JavaPluginConvention
 import org.gradle.kotlin.dsl.*
 import java.io.File
-import java.util.*
 
-val Project.bootstrapKotlinVersion: String get() = this.property("bootstrap.kotlin.version") as String
 
 fun Project.commonDep(coord: String): String {
     val parts = coord.split(':')

gradle.properties

@@ -3,6 +3,6 @@ org.gradle.parallel=false
 org.gradle.configureondemand=false
 org.gradle.jvmargs=-Xmx1000m -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled
 
-bootstrap.kotlin.repo=https://dl.bintray.com/kotlin/kotlin-dev
+#bootstrap.kotlin.repo=https://dl.bintray.com/kotlin/kotlin-dev
-bootstrap.kotlin.version=1.1.50-dev-1451
+#bootstrap.kotlin.version=1.1.50-dev-1451
 #signingRequired=true