going on, everything but sbt-plugins looks working

.travis.yml

@@ -18,6 +18,7 @@ script: sbt -Dfile.encoding=UTF8 -J-XX:ReservedCodeCacheSize=256M
   whitesourceCheckPolicies
   test
   scriptedIvy
+  scriptedCoursier
   packagedArtifacts # ensure that all artifacts for publish package without failure
 
 env:

coursier/src/main/scala/sbt/librarymanagement/coursier/CoursierDependencyResolution.scala

@@ -17,10 +17,10 @@ case class CoursierModuleDescriptor(
 
 case class CoursierModuleSettings() extends ModuleSettings
 
-private[sbt] class CoursierDependencyResolution(resolvers: Seq[Resolver])
+private[sbt] class CoursierDependencyResolution(resolvers: Vector[Resolver])
     extends DependencyResolutionInterface {
 
-  private[coursier] val reorderedResolvers = Resolvers.reorder(resolvers)
+  private[coursier] val reorderedResolvers = Resolvers.reorder(resolvers.toSeq)
 
   /**
    * Builds a ModuleDescriptor that describes a subproject with dependencies.
@@ -38,6 +38,21 @@ private[sbt] class CoursierDependencyResolution(resolvers: Seq[Resolver])
     )
   }
 
+  val ivyHome = sys.props.getOrElse(
+    "ivy.home",
+    new File(sys.props("user.home")).toURI.getPath + ".ivy2"
+  )
+
+  val sbtIvyHome = sys.props.getOrElse(
+    "sbt.ivy.home",
+    ivyHome
+  )
+
+  val ivyProperties = Map(
+    "ivy.home" -> ivyHome,
+    "sbt.ivy.home" -> sbtIvyHome
+  ) ++ sys.props
+
   /**
    * Resolves the given module's dependencies performing a retrieval.
    *
@@ -61,7 +76,7 @@ private[sbt] class CoursierDependencyResolution(resolvers: Seq[Resolver])
     val dependencies = module.directDependencies.map(toCoursierDependency).toSet
     val start = Resolution(dependencies)
     val authentication = None // TODO: get correct value
-    val ivyConfiguration = Map("ivy.home" -> "~/.ivy2/") // TODO: get correct value
+    val ivyConfiguration = ivyProperties // TODO: is it enough?
     val repositories =
       reorderedResolvers.flatMap(r => FromSbt.repository(r, ivyConfiguration, log, authentication)) ++ Seq(
         Cache.ivy2Local,
@@ -239,6 +254,6 @@ private[sbt] class CoursierDependencyResolution(resolvers: Seq[Resolver])
 }
 
 object CoursierDependencyResolution {
-  def apply(resolvers: Seq[Resolver]) =
+  def apply(resolvers: Vector[Resolver]) =
     DependencyResolution(new CoursierDependencyResolution(resolvers))
 }

coursier/src/main/scala/sbt/librarymanagement/coursier/Resolvers.scala

@@ -47,4 +47,5 @@ object Resolvers {
 
     reordered
   }
+
 }

project/SbtScriptedIT.scala

@@ -85,15 +85,17 @@ object SbtScriptedIT extends AutoPlugin {
     scriptedTests := {
       val targetDir = target.value / "sbt"
 
-      cloneSbt(targetDir, scriptedTestSbtRepo.value, scriptedTestSbtRef.value)
+      if (!targetDir.exists) {
+        cloneSbt(targetDir, scriptedTestSbtRepo.value, scriptedTestSbtRef.value)
 
-      publishLocalSbt(
+        publishLocalSbt(
-        targetDir,
+          targetDir,
-        version.value,
+          version.value,
-        organization.value,
+          organization.value,
-        s"librarymanagement-${scriptedTestLMImpl.value}",
+          s"librarymanagement-${scriptedTestLMImpl.value}",
-        scriptedSbtVersion.value
+          scriptedSbtVersion.value
-      )
+        )
+      }
 
       setScriptedTestsSbtVersion(
         sbtTestDirectory.value / thisProject.value.id,

scripted-test/src/sbt-test/lmScriptedTest/sbt-plugins/Main.scala

@@ -0,0 +1,6 @@
+
+object Main {
+
+  println("hello, world!")
+
+}

scripted-test/src/sbt-test/lmScriptedTest/sbt-plugins/build.sbt

@@ -0,0 +1,29 @@
+
+{
+  def writePluginsSbt(str: String) = {
+    val pluginsSbt = file(".") / "project" / "plugins.sbt"
+  if (!pluginsSbt.exists)
+    IO.write(
+      pluginsSbt,
+      s"""$str
+          |addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.8")
+          |""".stripMargin
+    )
+  }
+  sys.props.get("dependency.resolution") match {
+    case Some("ivy") =>
+      writePluginsSbt("""dependencyResolution := sbt.librarymanagement.ivy.IvyDependencyResolution(ivyConfiguration.value)""")
+      addCommandAlias(
+        "setDependencyResolution",
+        """set dependencyResolution := sbt.librarymanagement.ivy.IvyDependencyResolution(ivyConfiguration.value)"""
+      )
+    case Some("coursier") =>
+      writePluginsSbt("""dependencyResolution := sbt.librarymanagement.coursier.CoursierDependencyResolution(Resolver.combineDefaultResolvers(resolvers.value.toVector))""")
+      addCommandAlias(
+        "setDependencyResolution",
+        """set dependencyResolution := sbt.librarymanagement.coursier.CoursierDependencyResolution(Resolver.combineDefaultResolvers(resolvers.value.toVector))"""
+      )
+    case _ => sys.error("""|The system property 'dependency.resolution' is not defined.
+                          |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)
+  }
+}

scripted-test/src/sbt-test/lmScriptedTest/sbt-plugins/project/plugins.sbt

@@ -0,0 +1,2 @@
+dependencyResolution := sbt.librarymanagement.coursier.CoursierDependencyResolution(Resolver.combineDefaultResolvers(resolvers.value.toVector))
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.8")

scripted-test/src/sbt-test/lmScriptedTest/sbt-plugins/test

@@ -0,0 +1,6 @@
+> reload
+> sbtVersion
+> setDependencyResolution
+> clean
+> compile
+> assembly

scripted-test/src/sbt-test/lmScriptedTest/simple/build.sbt

@@ -1,14 +1,19 @@
 
 sys.props.get("dependency.resolution") match {
   case Some("ivy") =>
-    dependencyResolution := sbt.librarymanagement.ivy.IvyDependencyResolution(ivyConfiguration.value)
+    addCommandAlias(
+      "setDependencyResolution",
+      """set dependencyResolution := sbt.librarymanagement.ivy.IvyDependencyResolution(ivyConfiguration.value)"""
+    )
   case Some("coursier") =>
-    dependencyResolution := sbt.librarymanagement.coursier.CoursierDependencyResolution(resolvers.value)
+    addCommandAlias(
+      "setDependencyResolution",
+      """set dependencyResolution := sbt.librarymanagement.coursier.CoursierDependencyResolution(Resolver.combineDefaultResolvers(resolvers.value.toVector))"""
+    )
   case _ => sys.error("""|The system property 'dependency.resolution' is not defined.
                          |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)
 }
 
 libraryDependencies ++= Seq(
-  "com.typesafe" % "config" % "1.3.2",
+  "com.typesafe" % "config" % "1.3.3"
-  // "org.scala-lang" % "scala-compiler" % "2.12.7" % Compile
 )

scripted-test/src/sbt-test/lmScriptedTest/simple/test

@@ -1,3 +1,4 @@
 > sbtVersion
+> setDependencyResolution
 > clean
 > compile

scripted-test/src/sbt-test/lmScriptedTest/with-trasnsitive/Main.scala

@@ -0,0 +1,14 @@
+
+object Main {
+
+  import akka.actor._
+
+  val system = ActorSystem()
+
+  system.terminate()
+
+  import com.typesafe.config.ConfigFactory
+
+  val x = ConfigFactory.load()
+
+}

scripted-test/src/sbt-test/lmScriptedTest/with-trasnsitive/build.sbt

@@ -0,0 +1,19 @@
+
+sys.props.get("dependency.resolution") match {
+  case Some("ivy") =>
+    addCommandAlias(
+      "setDependencyResolution",
+      """set dependencyResolution := sbt.librarymanagement.ivy.IvyDependencyResolution(ivyConfiguration.value)"""
+    )
+  case Some("coursier") =>
+    addCommandAlias(
+      "setDependencyResolution",
+      """set dependencyResolution := sbt.librarymanagement.coursier.CoursierDependencyResolution(Resolver.combineDefaultResolvers(resolvers.value.toVector))"""
+    )
+  case _ => sys.error("""|The system property 'dependency.resolution' is not defined.
+                         |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)
+}
+
+libraryDependencies ++= Seq(
+  "com.typesafe.akka" %% "akka-actor" % "2.5.17"
+)

scripted-test/src/sbt-test/lmScriptedTest/with-trasnsitive/test

@@ -0,0 +1,4 @@
+> sbtVersion
+> setDependencyResolution
+> clean
+> compile