Merge pull request #4936 from eatkins/2.12.9-revert

2.12.9 revert
2019-08-08 13:36:32 -07:00 · 2019-08-08 13:36:32 -07:00 · 68a966178a
parent 294a1c181e d86afb5745
commit 68a966178a
83 changed files with 88 additions and 89 deletions
--- a/main/src/main/scala/sbt/PluginCross.scala
+++ b/main/src/main/scala/sbt/PluginCross.scala
@ -96,7 +96,7 @@ private[sbt] object PluginCross {
    VersionNumber(sv) match {
      case VersionNumber(Seq(0, 12, _*), _, _) => "2.9.2"
      case VersionNumber(Seq(0, 13, _*), _, _) => "2.10.7"
-      case VersionNumber(Seq(1, 0, _*), _, _)  => "2.12.9"
+      case VersionNumber(Seq(1, 0, _*), _, _)  => "2.12.8"
      case _                                   => sys.error(s"Unsupported sbt binary version: $sv")
    }
 }
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@ -4,7 +4,7 @@ import sbt.contraband.ContrabandPlugin.autoImport._

 object Dependencies {
  // WARNING: Please Scala update versions in PluginCross.scala too
-  val scala212 = "2.12.9"
+  val scala212 = "2.12.8"
  lazy val checkPluginCross = settingKey[Unit]("Make sure scalaVersion match up")
  val baseScalaVersion = scala212
  def nightlyVersion: Option[String] = sys.props.get("sbt.build.version")
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@ -1,4 +1,4 @@
-scalaVersion := "2.12.9"
+scalaVersion := "2.12.8"
 scalacOptions ++= Seq("-feature", "-language:postfixOps")

 addSbtPlugin("org.scala-sbt"     % "sbt-houserules"  % "0.3.9")
--- a/sbt/src/sbt-test/actions/cross-multi-parser/build.sbt
+++ b/sbt/src/sbt-test/actions/cross-multi-parser/build.sbt
@ -1 +1 @@
-crossScalaVersions := Seq[String]("2.11.12", "2.12.9")
+crossScalaVersions := Seq[String]("2.11.12", "2.12.8")
--- a/sbt/src/sbt-test/actions/cross-multi-parser/test
+++ b/sbt/src/sbt-test/actions/cross-multi-parser/test
@ -1,5 +1,5 @@
 > ++2.11.12; compile

-> ++ 2.12.9  ; compile;
+> ++ 2.12.8  ; compile;

-> ++ 2.12.9  ; compile
+> ++ 2.12.8  ; compile
--- a/sbt/src/sbt-test/actions/cross-multiproject/build.sbt
+++ b/sbt/src/sbt-test/actions/cross-multiproject/build.sbt
@ -1,4 +1,4 @@
-lazy val scala212 = "2.12.9"
+lazy val scala212 = "2.12.8"
 lazy val scala213 = "2.13.0-M5"

 ThisBuild / crossScalaVersions := Seq(scala212, scala213)
--- a/sbt/src/sbt-test/actions/cross-multiproject/test
+++ b/sbt/src/sbt-test/actions/cross-multiproject/test
@ -13,7 +13,7 @@ $ exists lib/target/scala-2.13.0-M5

 # test safe switching
 > clean
-> ++ 2.12.9 -v compile
+> ++ 2.12.8 -v compile
 $ exists lib/target/scala-2.12
 -$ exists lib/target/scala-2.13.0-M5
 $ exists sbt-foo/target/scala-2.12
@ -29,7 +29,7 @@ $ exists sbt-foo/target/scala-2.12

 # Test ++ leaves crossScalaVersions unchanged
 > clean
-> ++2.12.9
+> ++2.12.8
 > +extrasProj/compile
 $ exists extras/target/scala-2.13.0-M5
 $ exists extras/target/scala-2.12
--- a/sbt/src/sbt-test/actions/cross-strict-aggregation/build.sbt
+++ b/sbt/src/sbt-test/actions/cross-strict-aggregation/build.sbt
@ -1,4 +1,4 @@
-lazy val scala212 = "2.12.9"
+lazy val scala212 = "2.12.8"
 lazy val scala213 = "2.13.0-M5"

 ThisBuild / scalaVersion := scala212
--- a/sbt/src/sbt-test/actions/doc-file-options/build.sbt
+++ b/sbt/src/sbt-test/actions/doc-file-options/build.sbt
@ -2,7 +2,7 @@ val newContents = "bbbbbbbbb"

 val rootContentFile = "root.txt"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/actions/external-doc/build.sbt
+++ b/sbt/src/sbt-test/actions/external-doc/build.sbt
@ -24,7 +24,7 @@ val bResolver = Def.setting {

 val apiBaseSetting = apiURL := Some(apiBase(name.value))
 def apiBase(projectName: String) = url(s"http://example.org/${projectName}")
-def scalaLibraryBase(v: String) = url(s"https://www.scala-lang.org/api/$v/")
+def scalaLibraryBase(v: String) = url(s"http://www.scala-lang.org/api/$v/")
 def addDep(projectName: String) =
 	libraryDependencies += organization.value %% projectName % version.value

--- a/sbt/src/sbt-test/actions/generator/build.sbt
+++ b/sbt/src/sbt-test/actions/generator/build.sbt
@ -1,6 +1,6 @@
 val buildInfo = taskKey[Seq[File]]("generates the build info")

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/actions/multi-command/build.sbt
+++ b/sbt/src/sbt-test/actions/multi-command/build.sbt
@ -19,4 +19,4 @@ val dynamicTask = taskKey[Unit]("dynamic input task")

 dynamicTask := { println("not yet et") }

-crossScalaVersions := "2.11.12" :: "2.12.9" :: Nil
+crossScalaVersions := "2.11.12" :: "2.12.8" :: Nil
--- a/sbt/src/sbt-test/actions/multi-command/test
+++ b/sbt/src/sbt-test/actions/multi-command/test
@ -37,4 +37,4 @@

 > ++ 2.11.12 compile; setStringValue bar; checkStringValue bar

-> ++2.12.9 compile; setStringValue foo; checkStringValue foo
+> ++2.12.8 compile; setStringValue foo; checkStringValue foo
--- a/sbt/src/sbt-test/classloader-cache/akka-actor-system/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/akka-actor-system/build.sbt
@ -2,7 +2,7 @@ ThisBuild / turbo := true

 val akkaTest = (project in file(".")).settings(
  name := "akka-test",
-  scalaVersion := "2.12.9",
+  scalaVersion := "2.12.8",
  libraryDependencies ++= Seq(
    "com.typesafe.akka" %% "akka-actor" % "2.5.16",
    "com.lihaoyi" %% "utest" % "0.6.6" % "test"
--- a/sbt/src/sbt-test/classloader-cache/jni/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/jni/build.sbt
@ -13,7 +13,7 @@ def wrap(task: InputKey[Unit]): Def.Initialize[Task[Unit]] =
 ThisBuild / turbo := true

 val root = (project in file(".")).settings(
-  scalaVersion := "2.12.9",
+  scalaVersion := "2.12.8",
  javacOptions ++= Seq("-source", "1.8", "-target", "1.8", "-h",
  sourceDirectory.value.toPath.resolve("main/native/include").toString),
  libraryDependencies += "com.lihaoyi" %% "utest" % "0.6.6" % "test",
--- a/sbt/src/sbt-test/classloader-cache/library-mismatch/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/library-mismatch/build.sbt
@ -2,7 +2,7 @@ ThisBuild / turbo := true

 val snapshot = (project in file(".")).settings(
  name := "mismatched-libraries",
-  scalaVersion := "2.12.9",
+  scalaVersion := "2.12.8",
  libraryDependencies ++= Seq("com.lihaoyi" %% "utest" % "0.6.6" % "test"),
  testFrameworks := Seq(TestFramework("utest.runner.Framework")),
  resolvers += "Local Maven" at file("libraries/ivy").toURI.toURL.toString,
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar.md5
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar.md5
@ -1 +1 @@
-a8097b962cbbb571790a66eacd6aad63
+9bab3dca3e061fdbbff2419ef0eee90d
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar.sha1
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar.sha1
@ -1 +1 @@
-fe2367a00aca8d74b84c162970f9d3459b0c26a7
+11081018ca6824226893b153fe439d3a94e23286
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar.md5
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar.md5
@ -1 +1 @@
-5f1dd4f0a53a9f13f87a590dac9cdb96
+afba811024a110dc47734c6d9ec0eb5b
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar.sha1
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar.sha1
@ -1 +1 @@
-f77a76d6cb8c9f0850b315e2239d62d8891f86c2
+e4e1b37d77060a77ab20c508df90cdae6125f3bc
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar.md5
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar.md5
@ -1 +1 @@
-a47aa278478d014cbbc716e271a47eda
+6de1cfe8548a007ac08763ab5f051e08
--- a/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar.sha1
+++ b/sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar.sha1
@ -1 +1 @@
-df349758a22fc5fc291e902239dbcd6b2d0b9c69
+f25267dfe760e734ea4f8a00b8dc6ace477589d6
--- a/sbt/src/sbt-test/classloader-cache/runtime-layers/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/runtime-layers/build.sbt
@ -1,6 +1,6 @@
 val layeringStrategyTest = (project in file(".")).settings(
  name := "layering-strategy-test",
-  scalaVersion := "2.12.9",
+  scalaVersion := "2.12.8",
  organization := "sbt",
  libraryDependencies += "com.typesafe.akka" %% "akka-actor" % "2.5.16",
 )
--- a/sbt/src/sbt-test/classloader-cache/snapshot/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/snapshot/build.sbt
@ -9,7 +9,7 @@ ThisBuild / useCoursier := false

 val snapshot = (project in file(".")).settings(
  name := "akka-test",
-  scalaVersion := "2.12.9",
+  scalaVersion := "2.12.8",
  libraryDependencies ++= Seq(
    "com.lihaoyi" %% "utest" % "0.6.6" % "test"
  ),
--- a/sbt/src/sbt-test/classloader-cache/snapshot/libraries/library-1/ivy/sbt/foo-lib_2.12/0.1.0-SNAPSHOT/foo-lib_2.12-0.1.0-SNAPSHOT.pom
+++ b/sbt/src/sbt-test/classloader-cache/snapshot/libraries/library-1/ivy/sbt/foo-lib_2.12/0.1.0-SNAPSHOT/foo-lib_2.12-0.1.0-SNAPSHOT.pom
@ -14,7 +14,7 @@
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-library</artifactId>
-            <version>2.12.9</version>
+            <version>2.12.8</version>
        </dependency>
    </dependencies>
 </project>
--- a/sbt/src/sbt-test/classloader-cache/snapshot/libraries/library-2/ivy/sbt/foo-lib_2.12/0.1.0-SNAPSHOT/foo-lib_2.12-0.1.0-SNAPSHOT.pom
+++ b/sbt/src/sbt-test/classloader-cache/snapshot/libraries/library-2/ivy/sbt/foo-lib_2.12/0.1.0-SNAPSHOT/foo-lib_2.12-0.1.0-SNAPSHOT.pom
@ -14,7 +14,7 @@
        <dependency>
            <groupId>org.scala-lang</groupId>
            <artifactId>scala-library</artifactId>
-            <version>2.12.9</version>
+            <version>2.12.8</version>
        </dependency>
    </dependencies>
 </project>
--- a/sbt/src/sbt-test/classloader-cache/spark/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/spark/build.sbt
@ -2,6 +2,6 @@ name := "Simple Project"

 version := "1.0"

-scalaVersion := "2.12.9"
+scalaVersion := "2.12.8"

 libraryDependencies += "org.apache.spark" %% "spark-sql" % "2.4.3"
--- a/sbt/src/sbt-test/classloader-cache/utest/build.sbt
+++ b/sbt/src/sbt-test/classloader-cache/utest/build.sbt
@ -2,7 +2,7 @@ ThisBuild / turbo := true

 val utestTest = (project in file(".")).settings(
  name := "utest-test",
-  scalaVersion := "2.12.9",
+  scalaVersion := "2.12.8",
  libraryDependencies ++= Seq(
    "com.lihaoyi" %% "utest" % "0.6.6" % "test"
  ),
--- a/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
+++ b/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file(".")).
  settings(
--- a/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/build.sbt
+++ b/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/build.sbt
@ -1,4 +1,4 @@
-lazy val scala212 = "2.12.9"
+lazy val scala212 = "2.12.8"
 lazy val scala213 = "2.13.0-M5"
 ThisBuild / scalaVersion := scala212

--- a/sbt/src/sbt-test/dependency-management/cache-classifiers/multi.sbt
+++ b/sbt/src/sbt-test/dependency-management/cache-classifiers/multi.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 // TTL of Coursier is 24h
 ThisBuild / useCoursier := false
--- a/sbt/src/sbt-test/dependency-management/cached-resolution-interproj/multi.sbt
+++ b/sbt/src/sbt-test/dependency-management/cached-resolution-interproj/multi.sbt
@ -3,7 +3,7 @@ lazy val check = taskKey[Unit]("Runs the check")
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
 val junit = "junit" % "junit" % "4.11"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 def commonSettings: Seq[Def.Setting[_]] =
  Seq(
--- a/sbt/src/sbt-test/dependency-management/compiler-bridge-binary/build.sbt
+++ b/sbt/src/sbt-test/dependency-management/compiler-bridge-binary/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val check = taskKey[Unit]("")

--- a/sbt/src/sbt-test/dependency-management/global-plugins/build.sbt
+++ b/sbt/src/sbt-test/dependency-management/global-plugins/build.sbt
@ -1 +1 @@
-scalaVersion := "2.12.9"
+scalaVersion := "2.12.8"
--- a/sbt/src/sbt-test/dependency-management/snapshot-local/build.sbt
+++ b/sbt/src/sbt-test/dependency-management/snapshot-local/build.sbt
@ -1,5 +1,5 @@
 ThisBuild / organization := "com.example"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 def customIvyPaths: Seq[Def.Setting[_]] = Seq(
  ivyPaths := IvyPaths((baseDirectory in ThisBuild).value, Some((baseDirectory in ThisBuild).value / "ivy-cache"))
--- a/sbt/src/sbt-test/dependency-management/snapshot-resolution/build.sbt
+++ b/sbt/src/sbt-test/dependency-management/snapshot-resolution/build.sbt
@ -1,5 +1,5 @@
 ThisBuild / organization := "com.example"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 // TTL is 24h so we can't detect the change
 ThisBuild / useCoursier := false
--- a/sbt/src/sbt-test/dependency-management/sources/build.sbt
+++ b/sbt/src/sbt-test/dependency-management/sources/build.sbt
@ -1,5 +1,5 @@
 // ThisBuild / useCoursier := false
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
@ -13,15 +13,14 @@ def checkSources(report: UpdateReport): Unit = {
  val srcs = getSources(report).map(_.getName)
  if(srcs.isEmpty)
    sys.error(s"No sources retrieved\n\n$report")
-  else if (srcs.size != 9 || !srcs.exists(_ == "akka-actor_2.12-2.5.22-sources.jar")) {
-    // scala-library-2.12.9-sources.jar
-    // scala-java8-compat_2.12-0.8.0-sources.jar
+  else if (srcs.size != 8 || !srcs.exists(_ == "akka-actor_2.12-2.5.22-sources.jar")) {
+    // scala-library-2.12.8-sources.jar
    // config-1.3.3-sources.jar
    // akka-actor_2.12-2.5.22-sources.jar
    // scala-java8-compat_2.12-0.8.0-sources.jar
    // scala-xml_2.12-1.0.6-sources.jar
-    // scala-compiler-2.12.9-sources.jar
-    // scala-reflect-2.12.9-sources.jar
+    // scala-compiler-2.12.8-sources.jar
+    // scala-reflect-2.12.8-sources.jar
    // jline-2.14.6-sources.jar
    sys.error("Incorrect sources retrieved:\n\t" + srcs.mkString("\n\t"))
  } else ()
--- a/sbt/src/sbt-test/plugins/hydra/build.sbt
+++ b/sbt/src/sbt-test/plugins/hydra/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val check = taskKey[Unit]("")

--- a/sbt/src/sbt-test/plugins/sbt-native-packager/build.sbt
+++ b/sbt/src/sbt-test/plugins/sbt-native-packager/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 name := "hello"
 enablePlugins(JavaAppPackaging)
--- a/sbt/src/sbt-test/project/aggregate/projA/build.sbt
+++ b/sbt/src/sbt-test/project/aggregate/projA/build.sbt
@ -1,3 +1,3 @@
 name := "projA"

-scalaVersion := "2.12.9"
+scalaVersion := "2.12.8"
--- a/sbt/src/sbt-test/project/cross-plugins-defaults/build.sbt
+++ b/sbt/src/sbt-test/project/cross-plugins-defaults/build.sbt
@ -1,7 +1,7 @@
 val baseSbt = "1."

-val buildCrossList = List("2.10.7", "2.11.12", "2.12.9")
-scalaVersion in ThisBuild := "2.12.9"
+val buildCrossList = List("2.10.7", "2.11.12", "2.12.8")
+scalaVersion in ThisBuild := "2.12.8"
 crossScalaVersions in ThisBuild := buildCrossList

 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.7.0")
--- a/sbt/src/sbt-test/project/flatten/build.sbt
+++ b/sbt/src/sbt-test/project/flatten/build.sbt
@ -1,6 +1,6 @@
 val unpackage = TaskKey[Unit]("unpackage")

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/project/internal-tracking/build.sbt
+++ b/sbt/src/sbt-test/project/internal-tracking/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 ThisBuild / trackInternalDependencies := TrackLevel.NoTracking

 lazy val root = (project in file("."))
--- a/sbt/src/sbt-test/run/fork-loader/build.sbt
+++ b/sbt/src/sbt-test/run/fork-loader/build.sbt
@ -1,6 +1,6 @@
 val scalcheck = "org.scalacheck" %% "scalacheck" % "1.14.0"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/source-dependencies/binary/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/binary/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val dep = project

--- a/sbt/src/sbt-test/source-dependencies/cross-source/test
+++ b/sbt/src/sbt-test/source-dependencies/cross-source/test
@ -1,3 +1,3 @@
 # A.scala needs B.scala, it would be in source list
-> ++2.12.9!
+> ++2.12.8!
 > compile
--- a/sbt/src/sbt-test/source-dependencies/macro-annotation/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/macro-annotation/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 val paradiseVersion = "2.1.1"
 val commonSettings = Seq(
--- a/sbt/src/sbt-test/source-dependencies/macro-arg-dep-nested/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/macro-arg-dep-nested/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 val defaultSettings = Seq(
  libraryDependencies += scalaVersion("org.scala-lang" % "scala-reflect" % _ ).value
--- a/sbt/src/sbt-test/source-dependencies/macro-arg-dep-stackoverflow/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/macro-arg-dep-stackoverflow/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 val defaultSettings = Seq(
  libraryDependencies += scalaVersion("org.scala-lang" % "scala-reflect" % _ ).value
--- a/sbt/src/sbt-test/source-dependencies/macro-arg-dep/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/macro-arg-dep/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 val defaultSettings = Seq(
  libraryDependencies += scalaVersion("org.scala-lang" % "scala-reflect" % _ ).value
--- a/sbt/src/sbt-test/source-dependencies/macro/build.sbt
+++ b/sbt/src/sbt-test/source-dependencies/macro/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 val defaultSettings = Seq(
  libraryDependencies += scalaVersion("org.scala-lang" % "scala-reflect" % _ ).value
--- a/sbt/src/sbt-test/tests/arguments/build.sbt
+++ b/sbt/src/sbt-test/tests/arguments/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/do-not-discover/build.sbt
+++ b/sbt/src/sbt-test/tests/do-not-discover/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/done/build.sbt
+++ b/sbt/src/sbt-test/tests/done/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/fork-async/build.sbt
+++ b/sbt/src/sbt-test/tests/fork-async/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/fork-parallel/build.sbt
+++ b/sbt/src/sbt-test/tests/fork-parallel/build.sbt
@ -1,7 +1,7 @@
 import Tests._
 import Defaults._

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 val check = taskKey[Unit]("Check that tests are executed in parallel")

 lazy val root = (project in file("."))
--- a/sbt/src/sbt-test/tests/fork-test-group-parallel/build.sbt
+++ b/sbt/src/sbt-test/tests/fork-test-group-parallel/build.sbt
@ -1,5 +1,5 @@
 val specs = "org.specs2" %% "specs2-core" % "4.3.4"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 Global / concurrentRestrictions := Seq(Tags.limitAll(4))
 libraryDependencies += specs % Test
--- a/sbt/src/sbt-test/tests/fork-uncaught2/build.sbt
+++ b/sbt/src/sbt-test/tests/fork-uncaught2/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 libraryDependencies += "org.scala-sbt" % "test-interface" % "1.0"

--- a/sbt/src/sbt-test/tests/fork/build.sbt
+++ b/sbt/src/sbt-test/tests/fork/build.sbt
@ -11,7 +11,7 @@ val scalaxml = "org.scala-lang.modules" %% "scala-xml" % "1.1.1"
 def groupId(idx: Int) = "group_" + (idx + 1)
 def groupPrefix(idx: Int) = groupId(idx) + "_file_"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 ThisBuild / organization := "org.example"

 lazy val root = (project in file("."))
--- a/sbt/src/sbt-test/tests/fork2/build.sbt
+++ b/sbt/src/sbt-test/tests/fork2/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 fork := true
 libraryDependencies += scalatest % Test
--- a/sbt/src/sbt-test/tests/it/build.sbt
+++ b/sbt/src/sbt-test/tests/it/build.sbt
@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 val specs = "org.specs2" %% "specs2-core" % "4.3.4"

--- a/sbt/src/sbt-test/tests/junit-xml-report/build.sbt
+++ b/sbt/src/sbt-test/tests/junit-xml-report/build.sbt
@ -14,7 +14,7 @@ val nestedSuitesReportFile = "target/test-reports/my.scalatest.MyNestedSuites.xm
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
 val junitinterface = "com.novocode" % "junit-interface" % "0.11"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file(".")).
  settings(
--- a/sbt/src/sbt-test/tests/nested-inproc-par/build.sbt
+++ b/sbt/src/sbt-test/tests/nested-inproc-par/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/nested-inproc-seq/build.sbt
+++ b/sbt/src/sbt-test/tests/nested-inproc-seq/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/nested-subproc/build.sbt
+++ b/sbt/src/sbt-test/tests/nested-subproc/build.sbt
@ -1,7 +1,7 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
 val scalaxml = "org.scala-lang.modules" %% "scala-xml" % "1.1.1"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/nested-tests/build.sbt
+++ b/sbt/src/sbt-test/tests/nested-tests/build.sbt
@ -1,6 +1,6 @@
 val scalcheck = "org.scalacheck" %% "scalacheck" % "1.14.0"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 ThisBuild / version := "0.0.1" 
 ThisBuild / organization := "org.catastrophe"

--- a/sbt/src/sbt-test/tests/one-class-multi-framework/build.sbt
+++ b/sbt/src/sbt-test/tests/one-class-multi-framework/build.sbt
@ -1,5 +1,5 @@
 val specsJunit = "org.specs2" %% "specs2-junit" % "4.3.4"
 val junitinterface = "com.novocode" % "junit-interface" % "0.11"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 libraryDependencies += junitinterface % Test
 libraryDependencies += specsJunit % Test
--- a/sbt/src/sbt-test/tests/order/build.sbt
+++ b/sbt/src/sbt-test/tests/order/build.sbt
@ -1,5 +1,5 @@
 val scalcheck = "org.scalacheck" %% "scalacheck" % "1.14.0"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 Test / parallelExecution := false
 libraryDependencies += scalcheck % Test
--- a/sbt/src/sbt-test/tests/resources/build.sbt
+++ b/sbt/src/sbt-test/tests/resources/build.sbt
@ -1,3 +1,3 @@
 val specs = "org.specs2" %% "specs2-core" % "4.3.4"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 libraryDependencies += specs % Test
--- a/sbt/src/sbt-test/tests/scala-instance-classloader/build.sbt
+++ b/sbt/src/sbt-test/tests/scala-instance-classloader/build.sbt
@ -3,7 +3,7 @@ import sbt.internal.inc.ScalaInstance
 lazy val OtherScala = config("other-scala").hide
 lazy val junitinterface = "com.novocode" % "junit-interface" % "0.11"
 lazy val akkaActor = "com.typesafe.akka" %% "akka-actor" % "2.5.17"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .configs(OtherScala)
@ -18,7 +18,7 @@ lazy val root = (project in file("."))
      val rawJars = (managedClasspath in OtherScala).value.map(_.data)
      val scalaHome = (target.value / "scala-home")
      def removeVersion(name: String): String =
-        name.replaceAll("\\-2.12.9", "")
+        name.replaceAll("\\-2.12.8", "")
      for(jar <- rawJars) {
        val tjar = scalaHome / s"lib/${removeVersion(jar.getName)}"
        IO.copyFile(jar, tjar)
--- a/sbt/src/sbt-test/tests/serial/build.sbt
+++ b/sbt/src/sbt-test/tests/serial/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 ThisBuild / organization := "com.example"
 ThisBuild / version      := "0.0.1-SNAPSHOT"

--- a/sbt/src/sbt-test/tests/setup-cleanup/base.sbt
+++ b/sbt/src/sbt-test/tests/setup-cleanup/base.sbt
@ -1,3 +1,3 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 libraryDependencies += scalatest
--- a/sbt/src/sbt-test/tests/single-runner/build.sbt
+++ b/sbt/src/sbt-test/tests/single-runner/build.sbt
@ -1,4 +1,4 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 libraryDependencies += scalatest
 Test / testOptions += Tests.Argument("-C", "custom.CustomReporter")
--- a/sbt/src/sbt-test/tests/specs-run/build.sbt
+++ b/sbt/src/sbt-test/tests/specs-run/build.sbt
@ -1,4 +1,4 @@
 val specs = "org.specs2" %% "specs2-core" % "4.3.4"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 libraryDependencies += specs % Test
--- a/sbt/src/sbt-test/tests/t543/build.sbt
+++ b/sbt/src/sbt-test/tests/t543/build.sbt
@ -7,7 +7,7 @@ val check = TaskKey[Unit]("check", "Check correct error has been returned.")
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
 val scalaxml = "org.scala-lang.modules" %% "scala-xml" % "1.1.1"

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file(".")).
  settings(
--- a/sbt/src/sbt-test/tests/task/build.sbt
+++ b/sbt/src/sbt-test/tests/task/build.sbt
@ -1,4 +1,4 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"
 libraryDependencies += scalatest
 Test / testOptions += Tests.Argument("-C", "custom.CustomReporter")
--- a/sbt/src/sbt-test/tests/test-exclude/build.sbt
+++ b/sbt/src/sbt-test/tests/test-exclude/build.sbt
@ -1,5 +1,5 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/tests/test-quick/build.sbt
+++ b/sbt/src/sbt-test/tests/test-quick/build.sbt
@ -1,6 +1,6 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.0.5"
 val scalaxml = "org.scala-lang.modules" %% "scala-xml" % "1.1.1"
-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(
--- a/sbt/src/sbt-test/watch/commands/build.sbt
+++ b/sbt/src/sbt-test/watch/commands/build.sbt
@ -53,4 +53,4 @@ expectFailure / watchOnFileInputEvent := { (_, e) =>
 }


-crossScalaVersions := Seq("2.11.12", "2.12.9")
+crossScalaVersions := Seq("2.11.12", "2.12.8")
--- a/sbt/src/server-test/handshake/build.sbt
+++ b/sbt/src/server-test/handshake/build.sbt
@ -1,6 +1,6 @@
 import sbt.internal.server.{ ServerHandler, ServerIntent }

-ThisBuild / scalaVersion := "2.12.9"
+ThisBuild / scalaVersion := "2.12.8"

 lazy val root = (project in file("."))
  .settings(