2025 01 30

Author: randomizedcoder

laptops/t/Makefile

@@ -16,9 +16,11 @@ else
 endif
 
 rebuild:
-	sudo nix flake update;
 	sudo nixos-rebuild switch --flake .
 
+update:
+	sudo nix flake update;
+
 rebuild_old:
 	# sudo cp ./flake.nix /etc/nixos/
 	# sudo cp ./flake.lock /etc/nixos/
@@ -35,7 +37,7 @@ rebuild_old:
 	#sudo nix-channel --update;
 	sudo nixos-rebuild switch --flake .
 
-update:
+update_oldm.:
 	sudo nix-channel --update
 	sudo nixos-rebuild switch
 	#nix-shell -p vim

laptops/t/configuration.nix

@@ -137,6 +137,11 @@
       # https://discourse.nixos.org/t/nvidia-open-breaks-hardware-acceleration/58770/2
       nvidia-vaapi-driver
       vaapiVdpau
+      libvdpau
+      libvdpau-va-gl
+      vdpauinfo
+      libva
+      libva-utils
     ];
   };
 
@@ -305,10 +310,11 @@
     __GLX_VENDOR_LIBRARY_NAME = "nvidia";
     NVD_BACKEND = "direct";
     EGL_PLATFORM = "wayland";
+    # prevents cursor disappear when using Nvidia drivers
     WLR_NO_HARDWARE_CURSORS = "1";
 
-    #MOZ_ENABLE_WAYLAND = "1";
-    #XDG_SESSION_TYPE = "wayland";
+    MOZ_ENABLE_WAYLAND = "1";
+    XDG_SESSION_TYPE = "wayland";
     NIXOS_OZONE_WL = "1";
   };
 
@@ -377,20 +383,20 @@
      enableSSHSupport = true;
   };
 
-  # https://wiki.hyprland.org/Nix/Hyprland-on-NixOS/
-  programs.hyprland = {
-    enable = true;
-    # set the flake package
-    package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland;
-    # make sure to also set the portal package, so that they are in sync
-    portalPackage = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.xdg-desktop-portal-hyprland;
-  };
+  # # https://wiki.hyprland.org/Nix/Hyprland-on-NixOS/
+  # programs.hyprland = {
+  #   enable = true;
+  #   # set the flake package
+  #   package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland;
+  #   # make sure to also set the portal package, so that they are in sync
+  #   portalPackage = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.xdg-desktop-portal-hyprland;
+  # };
 
-  programs.chromium.enable = true;
-  # programs.chromium.package = pkgs.google-chrome;
-  # https://nixos.wiki/wiki/Chromium#Enabling_native_Wayland_support
-  nixpkgs.config.chromium.commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
-  #programs.chromium.commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
+  # programs.chromium.enable = true;
+  # # programs.chromium.package = pkgs.google-chrome;
+  # # https://nixos.wiki/wiki/Chromium#Enabling_native_Wayland_support
+  # nixpkgs.config.chromium.commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
+  # #programs.chromium.commandLineArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
 
 #dD
   # programs.firefox.enable = true;

laptops/t/flake.lock

@@ -1,8 +1,18 @@
 {
   description = "t Flake";
 
+  # https://nix.dev/manual/nix/2.24/command-ref/new-cli/nix3-flake.html#flake-inputs
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+    # https://docs.github.com/en/rest/branches/branches?apiVersion=2022-11-28#get-a-branch
+    #nixpkgs.url = "github:nixos/nixpkgs/commit/c541a73ec2bc3574f78cdcfaf5230882b55c79a5.tar.gz";
+    #nixpkgs.url = "github:randomizedcoder/nixpkgs/commit/8f146535307f0168d758fe6fee6f52663cb11695";
+    nixpkgs-unstable.url = "github:randomizedcoder/nixpkgs/8f146535307f0168d758fe6fee6f52663cb11695";#ipert2_2.2.1
+    # https://github.com/NixOS/nix/issues/12022
+    #nix flake lock --override-input nixpkgs /home/eelco/Dev/nixpkgs
+    #nix flake lock --override-input nixpkgs "/home/das/Downloads/nixpkgs
+    #nixpkgs.url = "/home/das/Downloads/nixpkgs";
+    #nixpkgs = "../../../Downloads/nixpkgs/";
     # https://nixos-and-flakes.thiscute.world/nixos-with-flakes/start-using-home-manager
     home-manager = {
       url = "github:nix-community/home-manager/release-24.11";
@@ -20,30 +30,36 @@
     };
   };
 
-  outputs = inputs@{ nixpkgs, home-manager, hyprland, ... }:
+  #outputs = inputs@{ nixpkgs, home-manager, hyprland, ... }:
+  outputs = { self, nixpkgs, nixpkgs-unstable, home-manager, hyprland, ... }:
     let
       system = "x86_64-linux";
       pkgs = import nixpkgs {
         inherit system;
         config = { allowUnfree = true; };
       };
+      # https://nixos.wiki/wiki/Flakes#Importing_packages_from_multiple_channels
+      overlay-unstable = final: prev: {
+        unstable = nixpkgs-unstable.legacyPackages.${prev.system};
+      };
       lib = nixpkgs.lib;
     in {
     nixosConfigurations = {
-      t = lib.nixosSystem {
+      t = lib.nixosSystem rec {
         #system ="x86_64-linux";
         inherit system;
-        specialArgs = { inherit inputs; };
+        specialArgs = { inherit hyprland; };
         modules = [
+          ({ config, pkgs, ... }: { nixpkgs.overlays = [ overlay-unstable ]; })
           ./configuration.nix
+          hyprland.nixosModules.default
           home-manager.nixosModules.home-manager
           {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
             home-manager.users.das = import ./home.nix;
-
-            # Optionally, use home-manager.extraSpecialArgs to pass
-            # arguments to home.nix
+            home-manager.extraSpecialArgs = specialArgs;
+            # see also: https://github.com/HeinzDev/Hyprland-dotfiles/blob/main/flake.nix
           }
         ];
       };

laptops/t/flake.nix

@@ -1,12 +1,25 @@
-{ config, pkgs, ... }:
+{
+  hyprland,
+  config,
+  pkgs,
+  ...
+}:
+#{ config, pkgs, ... }:
 #{ config, inputs, pkgs, ... }:
 
 # sudo cp ./nixos/modules/* /etc/nixos/
 # sudo nixos-rebuild switch
 
 {
-  home.username = "das";
-  home.homeDirectory = "/home/das";
+  imports = [
+    hyprland.homeManagerModules.default
+    # other imports to go here
+  ];
+
+  home = {
+    username = "das";
+    homeDirectory = "/home/das";
+  };
 
   # https://nix-community.github.io/home-manager/index.xhtml#ch-installation
   #home-manager.users.das = { pkgs, ... }: {
@@ -81,7 +94,7 @@
     vlan
     tcpdump
     wireshark
-    #iperf2
+    unstable.iperf2
     netperf
     flent
     bpftools
@@ -200,7 +213,14 @@
     firefox
     # https://nixos.wiki/wiki/Chromium
     chromium
-    google-chrome
+    #google-chrome
+    # https://discourse.nixos.org/t/google-chrome-not-working-after-recent-nixos-rebuild/43746
+    (google-chrome.override {
+      commandLineArgs = [
+        "--enable-features=UseOzonePlatform"
+        "--ozone-platform=wayland"
+      ];
+    })
     # https://nixos.wiki/wiki/Slack
     slack
     #
@@ -360,6 +380,9 @@
     ];
   };
 
+  # another example with dark colors:
+  # https://github.com/HeinzDev/Hyprland-dotfiles/blob/main/home/home.nix#L70
+  #
   # https://heywoodlh.io/nixos-gnome-settings-and-keyboard-shortcuts
   dconf.settings = {
     "org/gnome/desktop/wm/preferences" = {