diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index eac13a1..f273149 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-/users/crumb/programs/emacs/eln-cache
-/users/crumb/programs/emacs/auto-save-list
+eln-cache
+auto-save-list
 .direnv
 result
diff --git a/flake.nix b/flake.nix
index 7ca6502..2855f72 100644
--- a/flake.nix
+++ b/flake.nix
@@ -80,6 +80,12 @@
 
       packages.x86_64-linux.live-minimal =
         self.nixosConfigurations.live-minimal.config.system.build.isoImage;
+
+      devShells.x86_64-linux.default =
+        let pkgs = import inputs.nixpkgs { system = "x86_64-linux"; };
+        in pkgs.mkShell {
+          packages = [ pkgs.nil ];
+        };
     };
 
   nixConfig = {