Alejandra formatting

flake.nix

@@ -11,8 +11,7 @@
     treefmt-nix.url = "github:numtide/treefmt-nix";
   };
 
-  outputs =
-    inputs@{ flake-parts, ... }:
+  outputs = inputs @ {flake-parts, ...}:
     flake-parts.lib.mkFlake {inherit inputs;} {
       imports = [
         # To import a flake module
@@ -35,27 +34,27 @@
         # agnostic ones like nixosModule and system-enumerating ones, although
         # those are more easily expressed in perSystem.
       };
-      perSystem =
-        {
+      perSystem = {
         config,
         self',
         inputs',
         pkgs,
         system,
         ...
-        }:
-        {
+      }: {
         # Per-system attributes can be defined here. The self' and inputs'
         # module parameters provide easy access to attributes of the same
         # system.
 
         # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
-          packages.default = pkgs.hello;
-          
+        # packages.default = pkgs.hello;
+        packages.default = config.packages.osds-site;
 
         devshells.default = {
           packages = with pkgs; [
             cowsay
+
+            alejandra
           ];
         };
 
@@ -84,9 +83,8 @@
 
         treefmt = {
           programs = {
+            alejandra.enable = true;
             mdformat.enable = true;
-              nixfmt.enable = true;
-              nixfmt.package = pkgs.nixfmt-rfc-style;
             prettier.enable = true;
             prettier.excludes = ["*.md"];
             stylish-haskell.enable = true;