Quick hack to make publishSigned work again with sbt 1.0.2

Ideally, the scripted tests should still be run with sbt 1.0.1 too, to
ensure there are no regression with it, but the current setup doesn't
make that easy.

project/Settings.scala

@@ -206,7 +206,7 @@ object Settings {
       sbtVersion := {
         scalaBinaryVersion.value match {
           case "2.10" => "0.13.8"
-          case "2.12" => "1.0.1"
+          case "2.12" => "1.0.2"
           case _ => sbtVersion.value
         }
       },

sbt-coursier/src/main/scala-2.10/coursier/SbtCompatibility.scala

@@ -137,7 +137,7 @@ object SbtCompatibility {
     def dependencies = module.modules
   }
 
-  def needsIvyXmlLocal = sbt.Keys.deliverLocalConfiguration
-  def needsIvyXml = sbt.Keys.deliverConfiguration
+  def needsIvyXmlLocal = List(sbt.Keys.deliverLocalConfiguration)
+  def needsIvyXml = List(sbt.Keys.deliverConfiguration)
 
 }

sbt-coursier/src/main/scala-2.12/coursier/SbtCompatibility.scala

@@ -16,7 +16,28 @@ object SbtCompatibility {
 
   type IvySbt = sbt.internal.librarymanagement.IvySbt
 
-  def needsIvyXmlLocal = sbt.Keys.publishLocalConfiguration
-  def needsIvyXml = sbt.Keys.publishConfiguration
+  lazy val needsIvyXmlLocal = Seq(sbt.Keys.publishLocalConfiguration) ++ {
+    try {
+      val cls = sbt.Keys.getClass
+      val m = cls.getMethod("makeIvyXmlLocalConfiguration")
+      val task = m.invoke(sbt.Keys).asInstanceOf[sbt.TaskKey[sbt.PublishConfiguration]]
+      List(task)
+    } catch {
+      case _: Throwable => // FIXME Too wide
+        Nil
+    }
+  }
+
+  lazy val needsIvyXml = Seq(sbt.Keys.publishConfiguration) ++ {
+    try {
+      val cls = sbt.Keys.getClass
+      val m = cls.getMethod("makeIvyXmlConfiguration")
+      val task = m.invoke(sbt.Keys).asInstanceOf[sbt.TaskKey[sbt.PublishConfiguration]]
+      List(task)
+    } catch {
+      case _: Throwable => // FIXME Too wide
+        Nil
+    }
+  }
 
 }

sbt-coursier/src/main/scala/coursier/CoursierPlugin.scala

@@ -196,8 +196,6 @@ object CoursierPlugin extends AutoPlugin {
       withClassifiers = true,
       sbtClassifiers = true
     ).value,
-    makeIvyXmlBefore(needsIvyXmlLocal, shadedConfigOpt),
-    makeIvyXmlBefore(needsIvyXml, shadedConfigOpt),
     update := Tasks.updateTask(
       shadedConfigOpt,
       withClassifiers = false
@@ -280,7 +278,8 @@ object CoursierPlugin extends AutoPlugin {
     // Tests artifacts from Maven repositories are given this type.
     // Adding it here so that these work straightaway.
     classpathTypes += "test-jar"
-  )
+  ) ++
+    (needsIvyXml ++ needsIvyXmlLocal).map(makeIvyXmlBefore(_, shadedConfigOpt))
 
   override lazy val buildSettings = super.buildSettings ++ Seq(
     coursierParallelDownloads := 6,