Adds dev shell in flake and removes old shell.nix

flake.nix

@@ -166,5 +166,71 @@
         in
         customPackages
       );
+
+      ## SHELL ##
+
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+            overlays = [ self.overlays.default ];
+          };
+        in
+        {
+          default = pkgs.mkShell {
+            nativeBuildInputs =
+              with pkgs;
+              [
+                # Basic nix tools
+                nix
+                nixos-rebuild
+                home-manager
+                nh
+                # Git and git-crypt
+                git
+                git-crypt
+                gnupg
+                gpg-tui
+                # Shells
+                fish
+                bash
+                # Config tools
+                dconf2nix
+                # Network tools
+                curl
+                wget
+                # System tools
+                coreutils
+                findutils
+                gzip
+                zstd
+                # Text editors
+                micro
+                # microsoft-edit
+                # Diagnostics
+                inxi
+                pciutils
+                usbutils
+                lshw
+              ]
+              ++ [
+                inputs.yay.packages.${system}.default # My yay.nix tool
+              ];
+
+            NIX_CONFIG = "experimental-features = nix-command flakes";
+
+            shellHook = ''
+              clear
+              echo "Development shell initialized"
+              echo -e "Run '\033[1;34myay rebuild\033[0m' to rebuild your system"
+
+              # Set FLAKE to the current working directory
+              export FLAKE="$PWD"
+              echo -e "FLAKE environment variable is set to: \033[1;34m$FLAKE\033[0m"
+            '';
+          };
+        }
+      );
     };
 }

shell.nix

@@ -1,84 +0,0 @@
-# This is a Nix flake shell that provides a minimal environment for new install or system recovery
-{
-  pkgs ?
-    # If pkgs is not defined, instantiate nixpkgs from locked commit
-    let
-      lock = (builtins.fromJSON (builtins.readFile ./flake.lock)).nodes.nixpkgs.locked;
-      nixpkgs = fetchTarball {
-        url = "https://github.com/nixos/nixpkgs/archive/${lock.rev}.tar.gz";
-        sha256 = lock.narHash;
-      };
-      # Import overlays from the flake's overlay structure
-      overlays = [
-        (import ./overlays { inputs = { }; }).default
-      ];
-    in
-    import nixpkgs { inherit overlays; },
-  inputs ? null,
-  ...
-}:
-let
-  # Import yay directly from its flake, incase overlay or config flake fucks up
-  yay = builtins.getFlake "git+https://git.ryot.foo/toph/yay.nix.git";
-  inherit (pkgs) lib;
-in
-{
-  default = pkgs.mkShell {
-    nativeBuildInputs =
-      builtins.attrValues {
-        inherit (pkgs)
-          # Basic nix tools
-          nix
-          nixos-rebuild
-          home-manager
-          nh
-
-          # Git and git-crypt
-          git
-          git-crypt
-          gnupg
-          gpg-tui
-
-          # Shells
-          fish
-          bash
-
-          # Config tools
-          dconf2nix
-
-          # Network tools
-          curl
-          wget
-
-          # System tools
-          coreutils
-          findutils
-          gzip
-          zstd
-
-          # Text editors
-          micro
-          nano
-
-          # Diagnostics
-          inxi
-          pciutils
-          usbutils
-          lshw
-          ;
-      }
-      ++ [
-        yay.packages.${pkgs.system}.default
-      ];
-
-    # Overwrite FLAKE to current path, for yay and nh
-    FLAKE = toString ./.;
-
-    shellHook = ''
-      clear
-      echo "Minimal shell initialized with flake overlays"
-      echo -e "Run '\033[1;34myay rebuild\033[0m' to rebuild your system if needed"
-      echo -e "FLAKE environment variable is set to: \033[1;34m$FLAKE\033[0m"
-    '';
-  };
-}