Install dev dependencies of this flake through direnv

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -0,0 +1 @@
+/.direnv

flake.nix

@@ -88,6 +88,19 @@
     in
     {
       formatter.${system} = pkgs.nixfmt-rfc-style;
+
+      devShells.${system}.default = pkgs.mkShell {
+        packages = with pkgs; [
+          stylua
+          shfmt
+          nixfmt-rfc-style
+
+          sops
+          age
+
+          wireguard-tools
+        ];
+      };
     }
     // hosts;
 }

system/default.nix

@@ -20,8 +20,6 @@
     file
     lsof
     usbutils # lsusb
-    age
-    sops
   ];
 
   services.smartd.enable = true;

user/modules/applications/editor/nvim/plugins/format.nix

@@ -1,10 +1,10 @@
 { pkgs, ... }:
 {
   programs.neovim = {
-    # TODO: move this to flake.nix mkShell
-    #       each project should add their own
+    # This shouldn't be necessary,
+    # since every project should install it's own formatters in its flake.
+    # I leave it here just in case.
     extraPackages = with pkgs; [
-      stylua
     ];
 
     plugins = [
@@ -25,6 +25,7 @@
             		python = { "ruff" },
             		rust = { "rustfmt", lsp_format = "fallback" },
             		javascript = { "prettierd", "prettier", stop_after_first = true },
+            		sh = { "shfmt" },
             	},
 
             	formatters = { injected = { options = { ignore_errors = false } } },