Merge pull request #1461 from arittner/buildonwindows-cmd

Build: Fix shell script run under Windows OS

project/Cmd.scala

@@ -23,8 +23,14 @@ object Cmd {
   }
 
   def exec(cmd: Seq[String], wd: Option[File]): Result = {
+    val command =
+      sys.props.get("os.name") match {
+        case Some(name) if name.toLowerCase.startsWith("windows") =>
+          Seq("cmd", "/C") ++ cmd
+        case _ => cmd
+      }
     val capt = new Capture
-    val rc = Process(cmd, wd).!(capt.logger)
+    val rc = Process(command, wd).!(capt.logger)
     Result(rc, capt.out.get.mkString("\n"), capt.err.get.mkString("\n"))
   }