Fix Coursier classpath order

project/Dependencies.scala

@@ -76,7 +76,7 @@ object Dependencies {
   def addSbtZincCompile = addSbtModule(sbtZincPath, "zincCompile", zincCompile)
   def addSbtZincCompileCore = addSbtModule(sbtZincPath, "zincCompileCore", zincCompileCore)
 
-  val lmCoursierShaded = "io.get-coursier" %% "lm-coursier-shaded" % "2.0.0-RC6"
+  val lmCoursierShaded = "io.get-coursier" %% "lm-coursier-shaded" % "2.0.0-RC6-1"
 
   def sjsonNew(n: String) = Def.setting("com.eed3si9n" %% n % contrabandSjsonNewVersion.value)
   val sjsonNewScalaJson = sjsonNew("sjson-new-scalajson")

sbt/src/sbt-test/dependency-management/cp-order/build.sbt

@@ -0,0 +1,5 @@
+scalaVersion := "2.13.1"
+csrConfiguration := csrConfiguration.value.withCache(target.value / "coursier-cache")
+
+libraryDependencies += "com.typesafe.play" %% "play-test" % "2.8.0-RC1" % Test // worked around in 2.8.0
+libraryDependencies += "org.scalatest"     %% "scalatest" % "3.0.8"     % Test

sbt/src/sbt-test/dependency-management/cp-order/src/test/scala/t/UnitSpec.scala

@@ -0,0 +1,20 @@
+package t
+
+import com.typesafe.config.ConfigFactory
+import org.scalatest.{ MustMatchers, WordSpec }
+
+class UnitSpec extends WordSpec with MustMatchers {
+  def conf = ConfigFactory.defaultReference()
+
+  "Config" should {
+    "return Akka HTTP server provider" in {
+      val serverProvider = conf.getString("play.server.provider")
+      serverProvider mustBe "play.core.server.AkkaHttpServerProvider"
+    }
+
+    "be able to load Netty settings" in {
+      val nettyTransport = conf.getString("play.server.netty.transport")
+      nettyTransport mustBe "jdk"
+    }
+  }
+}

sbt/src/sbt-test/dependency-management/cp-order/test

@@ -0,0 +1,5 @@
+# https://github.com/coursier/coursier/issues/1466
+# aka https://github.com/sbt/sbt/issues/5282
+> test
+> set csrConfiguration ~= (_.withClasspathOrder(false))
+-> test