Add scalafix plugin with example project and tests

2 files changed, 40 insertions, 0 deletions

diff --git a/plugins/scalafix/Scalafix.scala b/plugins/scalafix/Scalafix.scala
new file mode 100644
index 0000000..cf808d7
--- /dev/null
+++ b/plugins/scalafix/Scalafix.scala
@@ -0,0 +1,28 @@
+package cbt
+
+import cbt._
+import java.nio.file.Files._
+import java.nio.file._
+import java.io.File
+
+trait Scalafix extends BaseBuild {
+  def scalafixVersion = "0.3.1"
+
+  override def scalacOptions = super.scalacOptions ++
+   Scalafix.scalacOptions(projectDirectory.toPath,
+    Resolver( mavenCentral, sonatypeReleases ).bindOne(
+        ScalaDependency( "ch.epfl.scala", "scalafix-nsc", scalafixVersion )
+    ).jar)
+}
+
+object Scalafix {
+  def scalacOptions( rootPath: Path, nscJar: File ) =
+    Seq(
+      "-Xplugin:" ++ nscJar.string,
+      "-Yrangepos"
+    ) ++ configOption(rootPath)
+
+  def configOption( rootPath: Path ) =
+    Some( rootPath.resolve(".scalafix.conf").toAbsolutePath )
+      .filter(isRegularFile(_)).map("-P:scalafix:" ++ _.toString).toSeq
+}
diff --git a/plugins/scalafix/build/build.scala b/plugins/scalafix/build/build.scala
new file mode 100644
index 0000000..b25b54d
--- /dev/null
+++ b/plugins/scalafix/build/build.scala
@@ -0,0 +1,12 @@
+package scalafix_build
+
+import cbt._
+
+class Build(val context: Context) extends Plugin {
+  override def dependencies = (
+    super.dependencies ++
+    Resolver( mavenCentral, sonatypeReleases ).bind(
+      ScalaDependency( "ch.epfl.scala", "scalafix-nsc",  "0.3.1" )
+    )
+  )
+}