Upgrade scalameta and cross-build to 2.12

.drone.yml

@@ -3,7 +3,12 @@ build:
   environment:
     - COURSIER_CACHE=/drone/cache/coursier
   commands:
-    - ./bin/testAll.sh
+    - export SBT_OPTS="-Xmx24G -XX:MaxPermSize=4G -Xss4M"
+    - sbt ++$SCALA_VERSION clean test scripted
+matrix:
+  SCALA_VERSION:
+    - 2.11.8
+    - 2.12.1
 cache:
   mount:
     - /drone/cache

build.sbt

@@ -3,6 +3,8 @@ import sbt.ScriptedPlugin._
 organization in ThisBuild := "ch.epfl.scala"
 version in ThisBuild := scalafix.Versions.nightly
 
+lazy val crossVersions = Seq("2.11.8", "2.12.1")
+
 lazy val buildSettings = Seq(
   assemblyJarName in assembly := "scalafix.jar",
   // See core/src/main/scala/ch/epfl/scala/Versions.scala
@@ -95,8 +97,9 @@ lazy val root = project
   .dependsOn(core)
 
 lazy val core = project
-  .settings(allSettings)
   .settings(
+    allSettings,
+    crossScalaVersions := crossVersions,
     moduleName := "scalafix-core",
     addCompilerPlugin(
       "org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full),
@@ -114,6 +117,7 @@ lazy val `scalafix-nsc` = project
   .settings(
     allSettings,
     scalaVersion := "2.11.8",
+    crossScalaVersions := crossVersions,
     libraryDependencies ++= Seq(
       "org.scala-lang" % "scala-compiler" % scalaVersion.value,
       "org.scalameta"  %% "scalameta"     % Build.metaV % "provided",

project/Build.scala

@@ -1,4 +1,4 @@
 object Build {
-  val metaV = "1.3.0"
+  val metaV = "1.4.0"
   val testV = "3.0.0"
 }

project/plugins.sbt

@@ -1,10 +1,10 @@
-addSbtPlugin("com.eed3si9n"     % "sbt-assembly"        % "0.14.3")
-addSbtPlugin("com.lihaoyi"      % "scalatex-sbt-plugin" % "0.3.5")
-addSbtPlugin("io.get-coursier"  % "sbt-coursier"        % "1.0.0-M15")
-addSbtPlugin("org.brianmckenna" % "sbt-wartremover"     % "0.14")
-addSbtPlugin("org.xerial.sbt"   % "sbt-pack"            % "0.8.0")
-addSbtPlugin("com.jsuereth"     % "sbt-pgp"             % "1.0.0")
-addSbtPlugin("org.xerial.sbt"   % "sbt-sonatype"        % "1.1")
+addSbtPlugin("com.eed3si9n"    % "sbt-assembly"        % "0.14.3")
+addSbtPlugin("com.lihaoyi"     % "scalatex-sbt-plugin" % "0.3.5")
+addSbtPlugin("io.get-coursier" % "sbt-coursier"        % "1.0.0-M15")
+addSbtPlugin("org.wartremover" % "sbt-wartremover"     % "1.2.1")
+addSbtPlugin("org.xerial.sbt"  % "sbt-pack"            % "0.8.0")
+addSbtPlugin("com.jsuereth"    % "sbt-pgp"             % "1.0.0")
+addSbtPlugin("org.xerial.sbt"  % "sbt-sonatype"        % "1.1")
 
 // TODO(olafur) re-enable scoverage.
 // scoverage is disabled because it messes up with scalafix-nsc