diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 000000000000..a53c8aa6db54
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,8 @@
+;;; Directory Local Variables
+;;; For more information see (info "(emacs) Directory Variables")
+
+((nil
+  (bug-reference-bug-regexp . "\\(\\(?:[Ii]ssue \\|[Ff]ixe[ds] \\|[Rr]esolve[ds]? \\|[Cc]lose[ds]? \\|[Pp]\\(?:ull [Rr]equest\\|[Rr]\\) \\|(\\)#\\([0-9]+\\))?\\)")
+  (bug-reference-url-format . "https://github.com/NixOS/nixpkgs/issues/%s"))
+ (nix-mode
+  (tab-width . 2)))