diff --git a/public/environment.nix b/public/environment.nix
index 8959cd6..85df43d 100644
--- a/public/environment.nix
+++ b/public/environment.nix
@@ -67,6 +67,8 @@ in
       tree1 = "tree -d -L 1";
       tree2 = "tree -d -L 2";
       tree3 = "tree -d -L 3";
+      # https://gist.github.com/amitchhajer/4461043 : Count number of code lines in git repository per user
+      #git-loc = "git ls-files | while read f; do git blame --line-porcelain "${f}" | grep '^author '; done | sort -f | uniq -ic | sort -n";
       grep = "grep --color=auto";
       vi = "vim";
     };