IOUtils - exception raised if relative path cannot be computed (no source root matches), this means there are some configuration problems and failing fast is better solution than generating inproper file paths (causing IOExceptions later).

Author: gslowikowski

scalac-scoverage-plugin/src/main/scala/scoverage/IOUtils.scala

@@ -94,7 +94,7 @@ object IOUtils {
     )
     sourceRoot match {
       case Some(path: String) => src.replace(path, "")
-      case _ => src
+      case _ => throw new RuntimeException(s"No source root found for '$src'"); //TODO Change exception class
     }
   }