diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..3c2cc10
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,4 @@
+;;; Directory Local Variables            -*- no-byte-compile: t -*-
+;;; For more information see (info "(emacs) Directory Variables")
+
+((nil . ((compile-command . "nix build"))))
diff --git a/.gitignore b/.gitignore
index adc8952..d1b54d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,6 +160,7 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
 /.envrc
 /.direnv/
 /result