major refactor: begin work to switch to GNOME and preservation

flake.nix

@@ -1,6 +1,12 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
+    preservation.url = "github:nix-community/preservation";
+
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
 
     sops-nix = {
       url = "github:Mic92/sops-nix";
@@ -12,47 +18,18 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    cheatengine = {
-      url = "github:Hy4ri/cheatengine-flake";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
-    scopebuddy = {
-      url = "github:HikariKnight/ScopeBuddy";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
-    nixpkgs-xr = {
-      url = "github:nix-community/nixpkgs-xr";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     lazyvim = {
       url = "github:pfassina/lazyvim-nix/v16.0.0";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    affinity-nix = {
-      url = "github:Meo98/affinity-nix-fork";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
-    nix-flatpak = {
-      url = "github:gmodena/nix-flatpak/?ref=latest";
-    };
-
-    appimage-manager = {
-      url = "github:kem-a/AppManager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     pi = {
       url = "github:earendil-works/pi/stable";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
     home-manager = {
-      url = "github:nix-community/home-manager";
+      url = "github:nix-community/home-manager/release-26.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
@@ -60,26 +37,17 @@
       url = "github:nix-darwin/nix-darwin";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-
-    affinity-thumbnailer-kde = {
-      url = "path:./packages/affinity-thumbnailer-kde";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs =
     inputs@{
       self,
       nixpkgs,
-      nixpkgs-xr,
       nix-darwin,
-      nix-flatpak,
+      preservation,
+      disko,
       home-manager,
-      affinity-nix,
       sops-nix,
-      affinity-thumbnailer-kde,
-      cheatengine,
-      xivlauncher-rb,
       ...
     }:
     let
@@ -102,16 +70,6 @@
 
       forAllSystems = nixpkgs.lib.genAttrs systems;
 
-      packagesFor =
-        system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-        in
-        nixpkgs.lib.optionalAttrs pkgs.stdenv.hostPlatform.isLinux {
-          heidisql = pkgs.callPackage ./packages/heidisql/package.nix { };
-          aseprite-thumbnailer-kde = pkgs.callPackage ./packages/aseprite-thumbnailer-kde/package.nix { };
-        };
-
       formatterFor =
         system:
         let
@@ -141,8 +99,6 @@
         };
     in
     {
-      packages = forAllSystems packagesFor;
-
       formatter = forAllSystems formatterFor;
       nixosConfigurations = {
         nero = nixpkgs.lib.nixosSystem {
@@ -150,16 +106,17 @@
 
           modules = [
             home-manager.nixosModules.home-manager
+            sops-nix.nixosModules.sops
+            disko.nixosModules.disko
+            preservation.nixosModules.default
+
             home-manager-configuration
             trusted-users-configuration
 
-            nixpkgs-xr.nixosModules.nixpkgs-xr
-            nix-flatpak.nixosModules.nix-flatpak
-            affinity-thumbnailer-kde.nixosModules.default
-            sops-nix.nixosModules.sops
-
             ./hosts/nero/hardware.nix
             ./hosts/nero/configuration.nix
+            ./hosts/nero/disko.nix
+            ./hosts/nero/preservation.nix
           ];
         };
 
@@ -186,8 +143,6 @@
             home-manager-configuration
             trusted-users-configuration
 
-            nix-flatpak.nixosModules.nix-flatpak
-            affinity-thumbnailer-kde.nixosModules.default
             sops-nix.nixosModules.sops
 
             ./hosts/pdw-frankiel/hardware.nix