add shell command to fix nix when it gets in a tizz; add nix-index so fish no longer throws a wobbly when you call a commaand that doesnt exist; remove shell format since bash ide can now use it; add packages for gamescope to steam

flake.nix

@@ -8,6 +8,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    nix-index-database = {
+      url = "github:nix-community/nix-index-database";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     nixos-hardware.url = "github:NixOS/nixos-hardware/master?shallow=1";
     disko = {
       url = "github:nix-community/disko?shallow=1";
@@ -26,7 +31,7 @@
     };
   };
 
-  outputs = { self, nixpkgs, nixos-hardware, home-manager, system-manager, nix-system-graphics, ... }@inputs:
+  outputs = { self, nixpkgs, nixos-hardware, home-manager, system-manager, nix-system-graphics, nix-index-database, ... }@inputs:
     let
       system = "x86_64-linux";
       pkgs = import nixpkgs {
@@ -51,7 +56,10 @@
       packages.${system}.homeConfigurations.deck = home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
         extraSpecialArgs = { inherit inputs; };
-        modules = [ ./devices/deck/home.nix ];
+        modules = [
+          nix-index-database.hmModules.nix-index
+          ./devices/deck/home.nix
+        ];
       };
       systemConfigs.deck = system-manager.lib.makeSystemConfig {
         modules = [