finally, can compile small channel with overlay

flake.lock

@@ -107,9 +107,7 @@
     },
     "home-manager": {
       "inputs": {
-        "nixpkgs": [
+        "nixpkgs": "nixpkgs"
-          "nixpkgs"
-        ]
       },
       "locked": {
         "lastModified": 1731604581,
@@ -163,7 +161,7 @@
         "hyprlang": "hyprlang",
         "hyprutils": "hyprutils",
         "hyprwayland-scanner": "hyprwayland-scanner",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "pre-commit-hooks": "pre-commit-hooks",
         "systems": "systems",
         "xdph": "xdph"
@@ -289,7 +287,7 @@
     "nix-gaming": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "umu": "umu"
       },
       "locked": {
@@ -309,9 +307,7 @@
     "nixos-cosmic": {
       "inputs": {
         "flake-compat": "flake-compat_2",
-        "nixpkgs": [
+        "nixpkgs": "nixpkgs_4",
-          "nixpkgs"
-        ],
         "nixpkgs-stable": "nixpkgs-stable_2",
         "rust-overlay": "rust-overlay"
       },
@@ -331,11 +327,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1731139594,
+        "lastModified": 1731319897,
-        "narHash": "sha256-IigrKK3vYRpUu+HEjPL/phrfh7Ox881er1UEsZvw9Q4=",
+        "narHash": "sha256-PbABj4tnbWFMfBp6OcUK5iGy1QY+/Z96ZcLpooIbuEI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "76612b17c0ce71689921ca12d9ffdc9c23ce40b2",
+        "rev": "dc460ec76cbff0e66e269457d7b728432263166c",
         "type": "github"
       },
       "original": {
@@ -373,6 +369,22 @@
         "url": "https://github.com/NixOS/nixpkgs/archive/cc2f28000298e1269cea6612cd06ec9979dd5d7f.tar.gz"
       }
     },
+    "nixpkgs-small": {
+      "locked": {
+        "lastModified": 1731569569,
+        "narHash": "sha256-yUjNI34R68uLg95nHzINg8ulpL77p4kOqUsCkMm1F28=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "7f2d3d2febedabd8f5c9761373c99b9dcfa917e1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1730741070,
@@ -422,6 +434,22 @@
       }
     },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1731139594,
+        "narHash": "sha256-IigrKK3vYRpUu+HEjPL/phrfh7Ox881er1UEsZvw9Q4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "76612b17c0ce71689921ca12d9ffdc9c23ce40b2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1730958623,
         "narHash": "sha256-JwQZIGSYnRNOgDDoIgqKITrPVil+RMWHsZH1eE1VGN0=",
@@ -437,7 +465,23 @@
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1731319897,
+        "narHash": "sha256-PbABj4tnbWFMfBp6OcUK5iGy1QY+/Z96ZcLpooIbuEI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dc460ec76cbff0e66e269457d7b728432263166c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1731319897,
         "narHash": "sha256-PbABj4tnbWFMfBp6OcUK5iGy1QY+/Z96ZcLpooIbuEI=",
@@ -453,7 +497,23 @@
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_6": {
+      "locked": {
+        "lastModified": 1731531548,
+        "narHash": "sha256-sz8/v17enkYmfpgeeuyzniGJU0QQBfmAjlemAUYhfy8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "24f0d4acd634792badd6470134c387a3b039dace",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_7": {
       "locked": {
         "lastModified": 1727348695,
         "narHash": "sha256-J+PeFKSDV+pHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI=",
@@ -499,8 +559,9 @@
         "hyprland": "hyprland",
         "nix-gaming": "nix-gaming",
         "nixos-cosmic": "nixos-cosmic",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_5",
         "nixpkgs-chrome": "nixpkgs-chrome",
+        "nixpkgs-small": "nixpkgs-small",
         "sops-nix": "sops-nix",
         "ucodenix": "ucodenix",
         "zen-browser": "zen-browser"
@@ -529,9 +590,7 @@
     },
     "sops-nix": {
       "inputs": {
-        "nixpkgs": [
+        "nixpkgs": "nixpkgs_6",
-          "nixpkgs"
-        ],
         "nixpkgs-stable": "nixpkgs-stable_3"
       },
       "locked": {
@@ -646,7 +705,7 @@
     },
     "zen-browser": {
       "inputs": {
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_7"
       },
       "locked": {
         "lastModified": 1727721329,

flake.nix

@@ -2,30 +2,21 @@
   description = "JawZ NixOS flake setup";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixpkgs-small.url = "github:nixos/nixpkgs?ref=nixos-unstable-small";
     nixpkgs-chrome.url = "github:nixos/nixpkgs?rev=05bbf675397d5366259409139039af8077d695ce";
     ucodenix.url = "github:e-tho/ucodenix";
     nix-gaming.url = "github:fufexan/nix-gaming";
     hyprland.url = "github:hyprwm/Hyprland";
     zen-browser.url = "github:MarceColl/zen-browser-flake";
-    home-manager = {
+    home-manager.url = "github:nix-community/home-manager/master";
-      url = "github:nix-community/home-manager/master";
+    sops-nix.url = "github:Mic92/sops-nix";
-      inputs.nixpkgs.follows = "nixpkgs";
+    nixos-cosmic.url = "github:lilyinstarlight/nixos-cosmic";
-    };
-    sops-nix = {
-      url = "github:Mic92/sops-nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    nixos-cosmic = {
-      url = "github:lilyinstarlight/nixos-cosmic";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
   };
 
   outputs =
     { self, ... }@inputs:
     let
       inherit (self) outputs;
-      lib = inputs.nixpkgs.lib // inputs.home-manager.lib;
       system = "x86_64-linux";
       makePkgs =
         repo:
@@ -33,27 +24,34 @@
           inherit system;
           config.allowUnfree = true;
         };
-      pkgs = makePkgs inputs.nixpkgs;
+      createConfig =
-      pkgs-chrome = makePkgs inputs.nixpkgs-chrome;
+        name:
-      overlayFile = import ./overlay.nix { inherit pkgs pkgs-chrome; };
+        let
-      createConfig = name: {
+          useGUI = name == "workstation";
-        inherit system;
+          nixpkgsSelect = if useGUI then inputs.nixpkgs else inputs.nixpkgs-small;
-        specialArgs = {
+          pkgs = makePkgs nixpkgsSelect;
-          inherit inputs outputs;
+          pkgs-chrome = makePkgs inputs.nixpkgs-chrome;
+          overlayFile = import ./overlay.nix { inherit pkgs pkgs-chrome; };
+          lib = nixpkgsSelect.lib // inputs.home-manager.lib;
+        in
+        lib.nixosSystem {
+          inherit system;
+          specialArgs = {
+            inherit inputs outputs;
+          };
+          modules = [
+            { nixpkgs.overlays = [ overlayFile ]; }
+            ./hosts/${name}/configuration.nix
+            inputs.sops-nix.nixosModules.sops
+            inputs.nixos-cosmic.nixosModules.default
+          ];
         };
-        modules = [
-          { nixpkgs.overlays = [ overlayFile ]; }
-          ./hosts/${name}/configuration.nix
-          inputs.sops-nix.nixosModules.sops
-          inputs.nixos-cosmic.nixosModules.default
-        ];
-      };
     in
     {
       nixosConfigurations = {
-        workstation = lib.nixosSystem (createConfig "workstation");
+        workstation = createConfig "workstation";
-        miniserver = lib.nixosSystem (createConfig "miniserver");
+        miniserver = createConfig "miniserver";
-        server = lib.nixosSystem (createConfig "server");
+        server = createConfig "server";
       };
     };
 }

modules/apps/gaming.nix

@@ -28,7 +28,7 @@
             lutris # games launcher & emulator hub
             cartridges # games launcher
             gamemode # optimizes linux to have better gaming performance
-            heroic # install epic games
+            # heroic # install epic games
             protonup-qt # update proton-ge
             ns-usbloader # load games into my switch
             # minecraft # minecraft official launcher