steam: patch current system version instead of nixpkgs fork

flake.nix

@@ -66,16 +66,26 @@
     nixos-conf-editor.url = "github:vlinkz/nixos-conf-editor";
     nix-software-center.url = "github:vlinkz/nix-software-center";
   };
-  outputs = inputs@{ nixpkgs, home-manager, nur, ... }:
+  outputs = inputs:
     let
-      inherit (import ./user/variables.nix) desktop;
-      system = "x86_64-linux";
-      pkgs = import nixpkgs {
+      nixpkgsConfig = {
         inherit system;
         config = { allowUnfree = true; };
         overlays = old_overlays.all;
       };
-      lib = nixpkgs.lib;
+
+      bootstrapPkgs = import inputs.nixpkgs nixpkgsConfig;
+      nixpkgs = bootstrapPkgs.applyPatches {
+        name = "patched-nixpkgs";
+        src = inputs.nixpkgs;
+        patches = lib.mapAttrsToList (k: v: ./patches/nixpkgs/${k})
+          (builtins.readDir ./patches/nixpkgs);
+      };
+
+      inherit (import ./user/variables.nix) desktop;
+      system = "x86_64-linux";
+      pkgs = import nixpkgs nixpkgsConfig;
+      lib = inputs.nixpkgs.lib;
 
       packages = import ./pkgs { inherit pkgs inputs; };
 
@@ -92,7 +102,7 @@
         inputs.hyprland.nixosModules.default
         inputs.dzgui-nix.nixosModules.default
         { programs.hyprland.enable = (desktop == "hyprland"); }
-        home-manager.nixosModules.home-manager
+        inputs.home-manager.nixosModules.home-manager
         {
           home-manager.useGlobalPkgs = true;
           home-manager.useUserPackages = true;
@@ -150,7 +160,7 @@
         };
       };
 
-      homeConfigurations.lelgenio = home-manager.lib.homeManagerConfiguration {
+      homeConfigurations.lelgenio = inputs.home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
 
         extraSpecialArgs = {

patches/nixpkgs/fix-steam-generation-after-generation-switch.patch

@@ -0,0 +1,27 @@
+From ac4d51306af54a088e29e2e5efcfac5dfe87d95c Mon Sep 17 00:00:00 2001
+From: lelgenio <lelgenio@disroot.org>
+Date: Fri, 4 Aug 2023 01:25:04 -0300
+Subject: [PATCH] HACK: fix steam after generation switch
+
+---
+ pkgs/build-support/build-fhsenv-bubblewrap/default.nix | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/pkgs/build-support/build-fhsenv-bubblewrap/default.nix b/pkgs/build-support/build-fhsenv-bubblewrap/default.nix
+index 3500e5e9216f..4d7ac0aa7618 100644
+--- a/pkgs/build-support/build-fhsenv-bubblewrap/default.nix
++++ b/pkgs/build-support/build-fhsenv-bubblewrap/default.nix
+@@ -152,6 +152,10 @@ let
+       fi
+       if [[ -L $i ]]; then
+         symlinks+=(--symlink "$(${coreutils}/bin/readlink "$i")" "$i")
++      elif [[ -f $i && -r $i ]]; then
++        SNAPSHOT=$(mktemp --dry-run)
++        cp "$i" "$SNAPSHOT"
++        ro_mounts+=(--ro-bind-try "$SNAPSHOT" "$i")
+       else
+         ro_mounts+=(--ro-bind-try "$i" "$i")
+       fi
+-- 
+2.42.0
+