Removed unused resources directory hopefully,

And aslo added an IconHelper autoplugin which
will generate Mac OS X valid ICNS images.

launchers/build.sbt

@@ -1,6 +1,7 @@
 import sbt._
 import Keys._
 
+scalaVersion in Global := "2.11.11"
 
 resolvers ++= Seq(
   DefaultMavenRepository,
@@ -40,6 +41,7 @@ lazy val macosx = (project in file("macosx"))
 lazy val root = (project in file("."))
   .aggregate(browserbundle, macosx)
 
+scalacOptions in Compile := Seq("-deprecated")
 
 fork := true
 

launchers/macosx/build.sbt

@@ -17,6 +17,10 @@ lazy val i2pBuildDir = new File("./../build")
 lazy val warsForCopy = i2pBuildDir.list.filter { f => f.endsWith(".war") }
 lazy val jarsForCopy = i2pBuildDir.list.filter { f => f.endsWith(".jar") }
 
+convertToICNSTask := {
+  println("TODO")
+}
+
 buildAppBundleTask := {
   println(s"Building Mac OS X bundle for I2P version ${i2pVersion}.")
   bundleBuildPath.mkdir()

launchers/project/IconHelper.scala

@@ -0,0 +1,52 @@
+package root
+
+import sbt._, Keys._
+import java.io.File
+
+/**
+  *
+  * This is an autoplugin for sbt which makes it possible to
+  * create an correctly made icns file for usage as app icon.
+  *
+  * The task "convertToICNSTask" should become available for us to define
+  * because of this class.
+  *
+  * sips is only a command on Mac OS X afaik so this would probably need to be
+  * built on a mac.
+  *
+  * @since 0.9.35
+  */
+object IconHelper extends AutoPlugin {
+
+  def convertToICNS(inF: File, outF: File) {
+    if (inF.ext == "icns") {
+      IO.copyFile(inF, outF, preserveLastModified = true)
+    } else {
+      import sys.process._
+      val lines       = Seq("sips", "-g", "pixelHeight", "-g", "pixelWidth", inF.getPath).lines
+      val PixelWidth  = "\\s+pixelWidth: (\\d+)".r
+      val PixelHeight = "\\s+pixelHeight: (\\d+)".r
+      val srcWidth    = lines.collect { case PixelWidth (s) => s.toInt } .head
+      val srcHeight   = lines.collect { case PixelHeight(s) => s.toInt } .head
+      val supported   = IndexedSeq(16, 32, 48, 128, 256, 512)
+      val srcSize     = math.min(512, math.max(srcWidth, srcHeight))
+      val tgtSize     = supported(supported.indexWhere(_ >= srcSize))
+      val args0       = Seq(inF.getPath, "--out", outF.getPath)
+      val args1       = if (tgtSize != srcWidth || tgtSize != srcHeight) {
+        Seq("-z", tgtSize.toString, tgtSize.toString)
+      } else {
+        Seq.empty
+      }
+      val args        = Seq("sips", "-s", "format", "icns") ++ args1 ++ args0
+      args.!!
+    }
+  }
+
+  object autoImport {
+    val convertToICNSTask = taskKey[Unit]("Converts an image to Mac OS X's ICNS icon format")
+  }
+
+  import autoImport._
+
+}
+