at System.String.Substring(Int32 startIndex, Int32 length)
  at SourceGit.Commands.Branches.OnReadline(String line)
  at SourceGit.Commands.Command.<>c__DisplayClass21_0.<Exec>b__0(Object o, DataReceivedEventArgs e)
  at System.Diagnostics.Process.OutputReadNotifyUser(String data)
  at System.Diagnostics.AsyncStreamReader.FlushMessageQueue(Boolean rethrowInNewThread)
--- End of stack trace from previous location ---
  at System.Diagnostics.AsyncStreamReader.<>c.<FlushMessageQueue>b__18_0(Object edi)
  at System.Threading.QueueUserWorkItemCallback.<>c.<.cctor>b__6_0(QueueUserWorkItemCallback quwi)
  at System.Threading.ExecutionContext.RunForThreadPoolUnsafe[TState](ExecutionContext executionContext, Action`1 callback, TState& state)
  at System.Threading.QueueUserWorkItemCallback.Execute()
  at System.Threading.ThreadPoolWorkQueue.Dispatch()
  at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()