Merge pull request #125 from alexarchambault/topic/scala-2.12

Enable 2.12 build

.travis.yml

@@ -1,6 +1,7 @@
 language: scala
 scala:
 - 2.11.8
+- 2.12.1
 jdk:
 - oraclejdk8
 script: project/run-travis ${TRAVIS_SCALA_VERSION} ${TRAVIS_PULL_REQUEST} ${TRAVIS_BRANCH}

build.sbt

@@ -50,7 +50,7 @@ lazy val `scala-cli` = project.in(file("cli"))
   .settings(
     crossVersion := CrossVersion.full,
     libraryDependencies ++= Seq(
-      "com.github.alexarchambault" %% "case-app" % "1.1.2",
+      "com.github.alexarchambault" %% "case-app" % "1.1.3",
       "ch.qos.logback" % "logback-classic" % "1.1.7"
     ),
     libraryDependencies ++= {
@@ -69,6 +69,7 @@ lazy val `spark-stubs-1` = project
       "org.apache.spark" %% "spark-sql" % "1.3.1" % "provided"
     )
   )
+  .settings(disableScalaVersion("2.12"))
 
 lazy val `spark-stubs-2` = project
   .in(file("spark/stubs-2.x"))
@@ -78,6 +79,7 @@ lazy val `spark-stubs-2` = project
       "org.apache.spark" %% "spark-sql" % "2.0.0" % "provided"
     )
   )
+  .settings(disableScalaVersion("2.12"))
 
 lazy val spark = project
   .in(file("spark/core"))
@@ -90,6 +92,7 @@ lazy val spark = project
       "io.get-coursier" %% "coursier-cli" % "1.0.0-M14-9"
     )
   )
+  .settings(disableScalaVersion("2.12"))
   .settings(jupyterScalaBuildInfoSettingsIn("jupyter.spark.internals"))
 
 val ammoniteTestsDependency = "org.jupyter-scala" % "ammonite" % ammoniumVersion cross CrossVersion.full
@@ -120,6 +123,7 @@ lazy val flink = project
       "org.ow2.asm" % "asm-all" % "5.0.4" // don't know why we have to manually pull this one
     )
   )
+  .settings(disableScalaVersion("2.12"))
 
 lazy val `flink-yarn` = project
   .dependsOn(flink, `scala-api` % "provided")
@@ -130,6 +134,7 @@ lazy val `flink-yarn` = project
       "org.apache.flink" %% "flink-yarn" % flinkVersion
     )
   )
+  .settings(disableScalaVersion("2.12"))
 
 lazy val scio = project
   .dependsOn(`scala-api` % "provided")
@@ -148,6 +153,7 @@ lazy val scio = project
       )
     }
   )
+  .settings(disableScalaVersion("2.12"))
 
 
 lazy val `jupyter-scala` = project
@@ -231,6 +237,39 @@ lazy val noPublishSettings = Seq(
   publishArtifact := false
 )
 
+def disableScalaVersion(sbv: String*) = Seq(
+  baseDirectory := {
+    if (sbv.contains(scalaBinaryVersion.value))
+      baseDirectory.value / "dummy"
+    else
+      baseDirectory.value
+  },
+  libraryDependencies := {
+    if (sbv.contains(scalaBinaryVersion.value))
+      Nil
+    else
+      libraryDependencies.value
+  },
+  publish := {
+    if (sbv.contains(scalaBinaryVersion.value))
+      ()
+    else
+      publish.value
+  },
+  publishLocal := {
+    if (sbv.contains(scalaBinaryVersion.value))
+      ()
+    else
+      publishLocal.value
+  },
+  publishArtifact := {
+    if (sbv.contains(scalaBinaryVersion.value))
+      false
+    else
+      publishArtifact.value
+  }
+)
+
 def jupyterScalaBuildInfoSettingsIn(packageName: String) = buildInfoSettings ++ Seq(
   sourceGenerators in Compile += buildInfo.taskValue,
   buildInfoKeys := Seq[BuildInfoKey](

project/run-tests

@@ -4,10 +4,14 @@ set -ev
 # On Travis, this leaves more memory to the forked JVM where tests are run
 export SBT_OPTS="-J-Xmx512m -J-Xms512m"
 
+SCALA_VERSION=${TRAVIS_SCALA_VERSION:-2.11.8}
+
 function testOnly() {
-  sbt ++${TRAVIS_SCALA_VERSION:-2.11.8} "testOnly $@"
+  sbt ++$SCALA_VERSION "testOnly $@"
 }
 
-testOnly jupyter.Spark16Tests
-testOnly jupyter.Spark20Tests
+if grep -q '$2\.12\.' <(echo "$SCALA_VERSION"); then
+  testOnly jupyter.Spark16Tests
+  testOnly jupyter.Spark20Tests
+fi