valere: config volume, default to lowpower

flake.nix

@@ -280,7 +280,7 @@
         specialArgs = mkSpecialArgs system;
 
         modules = linuxOfflineGuiModules [
-          ./nixos/hosts/valere.nix
+          ./nixos/hosts/valere
           ./nixos/configs/steam.nix
           ./nixos/configs/vmware.nix
           ./nixos/configs/power-saving.nix

nixos/configs/ccache.nix

@@ -0,0 +1,38 @@
+#
+# Support for using Ccache.
+#
+{ config, ... }:
+{
+  programs.ccache.enable = true;
+  nix.settings.extra-sandbox-paths = [ config.programs.ccache.cacheDir ];
+
+  nixpkgs.overlays = [
+  (self: super: {
+    ccacheWrapper = super.ccacheWrapper.override {
+      extraConfig = ''
+        export CCACHE_COMPRESS=1
+        export CCACHE_DIR="${config.programs.ccache.cacheDir}"
+        export CCACHE_UMASK=007
+        if [ ! -d "$CCACHE_DIR" ]; then
+          echo "====="
+          echo "Directory '$CCACHE_DIR' does not exist"
+          echo "Please create it with:"
+          echo "  sudo mkdir -m0770 '$CCACHE_DIR'"
+          echo "  sudo chown root:nixbld '$CCACHE_DIR'"
+          echo "====="
+          exit 1
+        fi
+        if [ ! -w "$CCACHE_DIR" ]; then
+          echo "====="
+          echo "Directory '$CCACHE_DIR' is not accessible for user $(whoami)"
+          echo "Please verify its access permissions"
+          echo "====="
+          exit 1
+        fi
+      '';
+    };
+  })
+
+  # Use this for kernel packages.
+];
+}

nixos/configs/dotfiles/git.hm.nix

@@ -1,4 +1,7 @@
 { deprekages, pkgs, ... }:
+let
+	difft = "${pkgs.difftastic}/bin/difft";
+in
 {
 
   #
@@ -11,13 +14,22 @@
     # Note: we no longer set a name, here, forcing us to choose our e-mail and username
     # on a per-project basis.
 
-    # Proide the difftastic command.
-    difftastic.enable = true;
-
     extraConfig = {
       # Use main as our branch names.
       init.defaultBranch = "main";
 
+      #
+      # Use difftastic.
+      #
+      alias = {
+        dlog = "-c diff.external=${difft} log --ext-diff";
+        dshow = "-c diff.external=${difft} show --ext-diff";
+        ddiff = "-c diff.external=${difft} diff";
+        dl = "-c diff.external=${difft} log -p --ext-diff";
+        ds = "-c diff.external=${difft} show --ext-diff";
+        dd = "-c diff.external=${difft} diff";
+      };
+
       #
       # Use mergiraf.
       #

nixos/configs/gui/niri.nix

@@ -228,6 +228,7 @@ in
               "XF86Launch6".action = sh "wpctl set-volume -l 1 @DEFAULT_AUDIO_SINK@ 0.1-";
               "XF86Tools".action = sh "wpctl set-volume -l 1 @DEFAULT_AUDIO_SINK@ 0.1+";
               "XF86AudioMute".action = sh "wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle";
+              "XF86AudioMicMute".action = sh "wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle";
 
               "XF86MonBrightnessDown".action = sh "brightnessctl set 10%-";
               "XF86MonBrightnessUp".action = sh "brightnessctl set 10%+";

nixos/configs/nix.nix

@@ -32,7 +32,8 @@
             system = "x86_64-linux";
             protocol = "ssh";
 
-            hostName = "trailblazer.kate.tailnet.polytheon.org";
+            #hostName = "trailblazer.kate.tailnet.polytheon.org";
+            hostName = "100.64.0.12";
 
             sshUser = "deprekated";
             sshKey = "/home/deprekated/.ssh/id_ed25519";

nixos/hosts/valere/00-support-dell-smbios.patch

@@ -0,0 +1,21 @@
+---
+v2:
+ - Commit message reflects Alienware devices may not necessarily support
+   the SMBIOS interface
+ - Commit message now has "Tested on"
+---
+ drivers/platform/x86/dell/dell-smbios-base.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c
+index 73e41eb69..01c72b91a 100644
+--- a/drivers/platform/x86/dell/dell-smbios-base.c
++++ b/drivers/platform/x86/dell/dell-smbios-base.c
+@@ -576,6 +576,7 @@ static int __init dell_smbios_init(void)
+ 	int ret, wmi, smm;
+
+ 	if (!dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL) &&
++	    !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Alienware", NULL) &&
+ 	    !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com", NULL)) {
+ 		pr_err("Unable to run on non-Dell system\n");
+ 		return -ENODEV;

nixos/hosts/valere/default.nix

@@ -53,7 +53,8 @@
   services.xserver.videoDrivers = ["nvidia"];
 
 	# Set up the NVIDIA half of the GPU setup.
-  system.nixos.tags = ["NVIDIA" "Intel"];
+	# These are used only in the "enabled" configuration.
+  system.nixos.tags = ["Intel"];
   hardware.nvidia = {
     modesetting.enable = true;
 
@@ -74,18 +75,15 @@
 
   };
 
-	# Provide a way to disable the NVIDIA GPU entirely,
+	# Disable the NVIDIA GPU unless we explicitly request it.
-	# for points when traveling where we don't want to burn power.
-  specialisation.lowpower.configuration = {
-		system.nixos.tags = lib.mkForce ["Intel"];
-
-		# Disable the NVIDIA GPU.
 	hardware.nvidiaOptimus.disable = true;
 
-		# These don't actually do anything, but they make introspecting
+	# Provide a configuration that uses the full GPU power of the system.
-		# the configuration a bit nicer.
+  specialisation.optimus.configuration = {
-		hardware.nvidia.modesetting.enable = lib.mkForce false;
+		system.nixos.tags = lib.mkForce ["NVIDIA"];
-		hardware.nvidia.prime.sync.enable = lib.mkForce false;
+
+		# Don't disable optimus on this config.
+  	hardware.nvidiaOptimus.disable = lib.mkForce false;
   };
 
 	# Provide memtest86, since that's nice.
@@ -117,6 +115,17 @@
   ];
   boot.extraModulePackages = [ config.boot.kernelPackages.acpi_call ];
 
+  # Support the Dell Privacy Driver.
+  boot.kernelPatches = [ {
+		name = "enable-dell-privacy";
+		patch = ./00-support-dell-smbios.patch;
+
+		extraStructuredConfig = with lib.kernel; {
+				DELL_WMI_PRIVACY = yes;
+		};
+
+   } ];
+
   # Support thunderbolt.
   services.hardware.bolt.enable = true;