Upgrade to sbt 1.2.3, properly report problems to sbt

.drone.yml

@@ -23,23 +23,23 @@ pipeline:
   # We run tests in parallel. Tests run in a copy of the working directory to avoid conflict
   test:
     group: test
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     commands:
       - cp -R . /tmp/1/ && cd /tmp/1/
       - ./project/scripts/sbt ";compile ;test"
       - ./project/scripts/cmdTests
 
   test_bootstrapped:
     group: test
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     commands:
       - cp -R . /tmp/2/ && cd /tmp/2/
       - ./project/scripts/sbt ";dotty-bootstrapped/compile ;dotty-bootstrapped/test"
       - ./project/scripts/bootstrapCmdTests
 
   test_sbt:
     group: test
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     commands:
       - cp -R . /tmp/4/ && cd /tmp/4/
       - ./project/scripts/sbt sbt-dotty/scripted
@@ -49,7 +49,7 @@ pipeline:
 
   # DOCUMENTATION:
   documentation:
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     commands:
       - ./project/scripts/genDocs
     secrets: [ bot_pass ]
@@ -61,7 +61,7 @@ pipeline:
   # PUBLISHING:
   # Publishing expect NIGHTLYBUILD or RELEASEBUILD to be set. See dottyVersion in Build.scala
   publish_nightly:
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     environment:
       - NIGHTLYBUILD=yes
     commands:
@@ -72,7 +72,7 @@ pipeline:
       environment: nightly
 
   publish_release:
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     environment:
       - RELEASEBUILD=yes
     commands:
@@ -96,7 +96,7 @@ pipeline:
       event: tag
 
   publish_sbt_release:
-    image: lampepfl/dotty:2018-08-31
+    image: lampepfl/dotty:2018-09-14-2
     environment:
       - RELEASEBUILD=yes
     commands:

project/Build.scala

@@ -10,6 +10,7 @@ import complete.DefaultParsers._
 import pl.project13.scala.sbt.JmhPlugin
 import pl.project13.scala.sbt.JmhPlugin.JmhKeys.Jmh
 import sbt.Package.ManifestAttributes
+import sbt.plugins.SbtPlugin
 import sbt.ScriptedPlugin.autoImport._
 import xerial.sbt.pack.PackPlugin
 import xerial.sbt.pack.PackPlugin.autoImport._
@@ -356,7 +357,6 @@ object Build {
   lazy val `dotty-bootstrapped` = project.asDottyRoot(Bootstrapped)
 
   lazy val `dotty-interfaces` = project.in(file("interfaces")).
-    disablePlugins(ScriptedPlugin).
     settings(commonScala2Settings). // Java-only project, so this is fine
     settings(
       // Do not append Scala versions to the generated artifacts
@@ -530,7 +530,7 @@ object Build {
         // FIXME: Not needed, but should be on the compiler CP
         ("org.scala-lang.modules" %% "scala-xml" % "1.1.0").withDottyCompat(scalaVersion.value),
         "org.scala-lang" % "scala-library" % scalacVersion % "test",
-        Dependencies.compilerInterface(sbtVersion.value),
+        Dependencies.`compiler-interface`,
         "org.jline" % "jline-reader" % "3.9.0",   // used by the REPL
         "org.jline" % "jline-terminal" % "3.9.0",
         "org.jline" % "jline-terminal-jna" % "3.9.0" // needed for Windows
@@ -799,8 +799,8 @@ object Build {
     description := "sbt compiler bridge for Dotty",
     resolvers += Resolver.typesafeIvyRepo("releases"), // For org.scala-sbt:api
     libraryDependencies ++= Seq(
-      Dependencies.compilerInterface(sbtVersion.value) % Provided,
-      (Dependencies.zincApiinfo(sbtVersion.value) % Test).withDottyCompat(scalaVersion.value)
+      Dependencies.`compiler-interface` % Provided,
+      (Dependencies.`zinc-api-info` % Test).withDottyCompat(scalaVersion.value)
     ),
     // The sources should be published with crossPaths := false since they
     // need to be compiled by the project using the bridge.
@@ -893,7 +893,7 @@ object Build {
       buildInfoPackage in Test := "dotty.tools.languageserver.util.server",
       BuildInfoPlugin.buildInfoScopedSettings(Test),
       BuildInfoPlugin.buildInfoDefaultSettings
-    ).disablePlugins(ScriptedPlugin)
+    )
 
   lazy val `dotty-bench` = project.in(file("bench")).asDottyBench(NonBootstrapped)
   lazy val `dotty-bench-bootstrapped` = project.in(file("bench")).asDottyBench(Bootstrapped)
@@ -928,6 +928,7 @@ object Build {
   // sbt plugin to use Dotty in your own build, see
   // https://github.com/lampepfl/dotty-example-project for usage.
   lazy val `sbt-dotty` = project.in(file("sbt-dotty")).
+    enablePlugins(SbtPlugin).
     settings(commonSettings).
     settings(
       version := {
@@ -938,11 +939,10 @@ object Build {
       // Keep in sync with inject-sbt-dotty.sbt
       libraryDependencies ++= Seq(
         Dependencies.`jackson-databind`,
-        Dependencies.compilerInterface(sbtVersion.value)
+        Dependencies.`compiler-interface`
       ),
       unmanagedSourceDirectories in Compile +=
         baseDirectory.value / "../language-server/src/dotty/tools/languageserver/config",
-      sbtPlugin := true,
       sbtTestDirectory := baseDirectory.value / "sbt-test",
       scriptedLaunchOpts ++= Seq(
         "-Dplugin.version=" + version.value,
@@ -1253,7 +1253,6 @@ object Build {
 
     // FIXME: we do not aggregate `bin` because its tests delete jars, thus breaking other tests
     def asDottyRoot(implicit mode: Mode): Project = project.withCommonSettings.
-      disablePlugins(ScriptedPlugin).
       aggregate(`dotty-interfaces`, dottyLibrary, dottyCompiler, dottyDoc, dottySbtBridgeReference).
       bootstrappedAggregate(`scala-library`, `scala-compiler`, `scala-reflect`, scalap, `dotty-language-server`).
       dependsOn(dottyCompiler).
@@ -1263,38 +1262,32 @@ object Build {
       )
 
     def asDottyCompiler(implicit mode: Mode): Project = project.withCommonSettings.
-      disablePlugins(ScriptedPlugin).
       dependsOn(`dotty-interfaces`).
       dependsOn(dottyLibrary).
       settings(dottyCompilerSettings)
 
     def asDottyLibrary(implicit mode: Mode): Project = project.withCommonSettings.
-      disablePlugins(ScriptedPlugin).
       settings(dottyLibrarySettings).
       bootstrappedSettings(
         // Needed so that the library sources are visible when `dotty.tools.dotc.core.Definitions#init` is called.
         scalacOptions in Compile ++= Seq("-sourcepath", (scalaSource in Compile).value.getAbsolutePath)
       )
 
     def asDottyDoc(implicit mode: Mode): Project = project.withCommonSettings.
-      disablePlugins(ScriptedPlugin).
       dependsOn(dottyCompiler, dottyCompiler % "test->test").
       settings(dottyDocSettings)
 
     def asDottySbtBridge(implicit mode: Mode): Project = project.withCommonSettings.
-      disablePlugins(ScriptedPlugin).
       dependsOn(dottyCompiler % Provided).
       dependsOn(dottyDoc % Provided).
       settings(dottySbtBridgeSettings)
 
     def asDottyBench(implicit mode: Mode): Project = project.withCommonSettings.
-      disablePlugins(ScriptedPlugin).
       dependsOn(dottyCompiler).
       settings(commonBenchmarkSettings).
       enablePlugins(JmhPlugin)
 
     def asDist(implicit mode: Mode): Project = project.
-      disablePlugins(ScriptedPlugin).
       enablePlugins(PackPlugin).
       withCommonSettings.
       dependsOn(`dotty-interfaces`, dottyCompiler, dottyLibrary, dottyDoc).

project/Dependencies.scala

@@ -10,6 +10,7 @@ object Dependencies {
   val `jackson-dataformat-yaml` =
     "com.fasterxml.jackson.dataformat" % "jackson-dataformat-yaml" % jacksonVersion
 
-  def compilerInterface(sbtVersion: String) = "org.scala-sbt" % "compiler-interface" % sbtVersion
-  def zincApiinfo(sbtVersion: String) = "org.scala-sbt" %% "zinc-apiinfo" % sbtVersion
+  private val zincVersion = "1.2.2"
+  val `compiler-interface` = "org.scala-sbt" % "compiler-interface" % zincVersion
+  val `zinc-api-info` = "org.scala-sbt" %% "zinc-apiinfo" % zincVersion
 }

project/build.properties

@@ -1 +1 @@
-sbt.version=1.1.6
+sbt.version=1.2.3

project/inject-sbt-dotty.sbt

@@ -7,7 +7,7 @@ unmanagedSourceDirectories in Compile += baseDirectory.value / "../sbt-dotty/src
 // Keep in sync with `sbt-dotty` config in Build.scala
 libraryDependencies ++= Seq(
   Dependencies.`jackson-databind`,
-  Dependencies.compilerInterface(sbtVersion.value)
+  Dependencies.`compiler-interface`
 )
 unmanagedSourceDirectories in Compile +=
   baseDirectory.value / "../language-server/src/dotty/tools/languageserver/config"

sbt-bridge/src/xsbt/DelegatingReporter.scala

@@ -29,7 +29,7 @@ final class DelegatingReporter(delegate: xsbti.Reporter) extends Reporter
       }
 
     val position =
-      if (false && cont.pos.exists) { // Disabled because it duplicates the information printed by Dotty
+      if (cont.pos.exists) {
         val pos = cont.pos
         val src = pos.source
         new Position {
@@ -46,13 +46,14 @@ final class DelegatingReporter(delegate: xsbti.Reporter) extends Reporter
       } else
         noPosition
 
-    val sb = new StringBuilder()
-    sb.append(messageAndPos(cont.contained(), cont.pos, diagnosticLevel(cont)))
-    if (ctx.shouldExplain(cont) && cont.contained().explanation.nonEmpty) {
-      sb.append(explanation(cont.contained()))
+    val message = cont.contained()
+    val rendered = new StringBuilder()
+    rendered.append(messageAndPos(message, cont.pos, diagnosticLevel(cont)))
+    if (ctx.shouldExplain(cont) && message.explanation.nonEmpty) {
+      rendered.append(explanation(message))
     }
 
-    delegate.log(Problem(position, sb.toString(), severity))
+    delegate.log(Problem(position, message.msg, severity, rendered.toString))
   }
 
   private[this] def maybe[T](opt: Option[T]): Optional[T] = opt match {

sbt-bridge/src/xsbt/Problem.scala

@@ -1,12 +1,12 @@
 package xsbt
 
+import java.util.Optional
 import xsbti.{Position, Severity}
 
 final case class Problem(override val position: Position,
                          override val message: String,
-                         override val severity: Severity) extends xsbti.Problem {
+                         override val severity: Severity,
+                         rendered0: String) extends xsbti.Problem {
   override val category = ""
-  override def toString = s"[$severity] $position: $message"
-
+  override val rendered = Optional.of(rendered0)
 }
-