It is a well-known fact that Lines of Code (LoC) is a very inaccurate metric for a software developer. It doesn't demonstrate anything and can't be used to measure the progress of a programmer or a number of efforts the programmer puts into the source code. However, there is another metric called Hits-of-Code (or Code Churn), which is calculated differently and perfectly indicates how much time or efforts the repository required to be created. There is a command line tool of mine, which can help you calculate HoC in your repo. There is also a hosted web service, to do the same.

The video is here: https://youtu.be/hTs_R0dFoFM