Scalariform settings cause a change to the source from what’s in the repository

[akauppi]

I haven't used Scalariform before, but it seems like meaningful assumption that sbt compile would not change the sources, from what's in the repo. Now it does.

1. git clone
2. sbt compile

$ git diff
diff --git a/src/main/scala/sample/stream/GroupLogFile.scala b/src/main/scala/sample/stream/GroupLogFile.scala
index d886c44..dcc7477 100644
--- a/src/main/scala/sample/stream/GroupLogFile.scala
+++ b/src/main/scala/sample/stream/GroupLogFile.scala
@@ -30,8 +30,8 @@ object GroupLogFile {
       via(Framing.delimiter(ByteString(System.lineSeparator), maximumFrameLength = 512, allowTruncation = true)).
       map(_.utf8String).
       map {
-        case line@LoglevelPattern(level) => (level, line)
-        case line@other => ("OTHER", line)
+        case line @ LoglevelPattern(level) => (level, line)
+        case line @ other                  => ("OTHER", line)
       }.
       // group them by log level
       groupBy(5, _._1).