Move things around

flake.nix

@@ -30,6 +30,11 @@
         # "aarch64-darwin"
         # "x86_64-darwin"
       ];
+      flake = {
+        # The usual flake attributes can be defined here, including system-
+        # agnostic ones like nixosModule and system-enumerating ones, although
+        # those are more easily expressed in perSystem.
+      };
       perSystem =
         {
           config,
@@ -46,19 +51,7 @@
 
           # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
           packages.default = pkgs.hello;
-
+          
-          pre-commit = {
-            settings.hooks = {
-              mdformat.enable = true;
-              nixfmt-rfc-style.enable = true;
-              prettier.enable = true;
-              prettier.excludes = [
-                ".*\.md"
-                "flake.lock"
-              ];
-              stylish-haskell.enable = true;
-            };
-          };
 
           devshells.default = {
             packages = with pkgs; [
@@ -79,6 +72,16 @@
             };
           };
 
+          pre-commit = {
+            settings.hooks = {
+              alejandra.enable = true;
+              mdformat.enable = true;
+              prettier.enable = true;
+              prettier.excludes = [ ".*\.md" "flake.lock" ];
+              stylish-haskell.enable = true;
+            };
+          };
+
           treefmt = {
             programs = {
               mdformat.enable = true;
@@ -89,13 +92,6 @@
               stylish-haskell.enable = true;
             };
           };
-
         };
-      flake = {
-        # The usual flake attributes can be defined here, including system-
-        # agnostic ones like nixosModule and system-enumerating ones, although
-        # those are more easily expressed in perSystem.
-
-      };
     };
 }