dev/shell: flatten

dev/shell.nix

@@ -1,16 +1,15 @@
+{ pkgs, ... }:
 {
-  perSystem = { pkgs, ... }: {
-    devShells = {
-      default = with pkgs; mkShellNoCC {
-        packages = [
-          jq
-          python3.pkgs.deploykit
-          python3.pkgs.invoke
-          rsync
-          sops
-          ssh-to-age
-        ];
-      };
+  devShells = {
+    default = with pkgs; mkShellNoCC {
+      packages = [
+        jq
+        python3.pkgs.deploykit
+        python3.pkgs.invoke
+        rsync
+        sops
+        ssh-to-age
+      ];
     };
   };
 }

flake.nix

@@ -70,12 +70,12 @@
           inputs.hercules-ci-effects.flakeModule
           inputs.treefmt-nix.flakeModule
           ./effect.nix
-          ./dev/shell.nix
         ];
 
         hercules-ci.github-pages.branch = "master";
 
         perSystem = { config, pkgs, ... }: {
+          imports = [ ./dev/shell.nix ];
           treefmt.imports = [ ./dev/treefmt.nix ];
 
           packages.pages = pkgs.runCommand "pages"