Switch to snowfall flake configuration

modules/hardware/audio/default.nix

@@ -0,0 +1,76 @@
+{ options, config, pkgs, lib, ... }:
+
+with lib;
+#with lib.internal;
+let cfg = config.custom.hardware.audio;
+in
+{
+  options.custom.hardware.audio = with types; {
+    enable = mkBoolOpt false "Whether or not to enable audio support.";
+    alsa-monitor = mkOpt attrs { } "Alsa configuration.";
+    nodes = mkOpt (listOf attrs) [ ]
+      "Audio nodes to pass to Pipewire as `context.objects`.";
+    modules = mkOpt (listOf attrs) [ ]
+      "Audio modules to pass to Pipewire as `context.modules`.";
+    extra-packages = mkOpt (listOf package) [
+      pkgs.qjackctl
+      pkgs.easyeffects
+    ] "Additional packages to install.";
+  };
+
+  config = mkIf cfg.enable {
+    security.rtkit.enable = true;
+
+    services.pipewire = {
+      enable = true;
+      alsa = {
+        enable = true;
+        support32Bit = true;
+      };
+      pulse.enable = true;
+      jack.enable = true;
+
+      wireplumber.enable = false;
+
+      media-session.enable = true;
+      media-session.config.alsa-monitor =
+        mkAliasDefinitions options.custom.hardware.audio.alsa-monitor;
+
+      config.pipewire = {
+        "context.objects" = cfg.nodes ++ [ ];
+        "context.modules" = [
+          {
+            name = "libpipewire-module-rtkit";
+            args = { };
+            flags = [ "ifexists" "nofail" ];
+          }
+          { name = "libpipewire-module-protocol-native"; }
+          { name = "libpipewire-module-profiler"; }
+          { name = "libpipewire-module-metadata"; }
+          { name = "libpipewire-module-spa-device-factory"; }
+          { name = "libpipewire-module-spa-node-factory"; }
+          { name = "libpipewire-module-client-node"; }
+          { name = "libpipewire-module-client-device"; }
+          {
+            name = "libpipewire-module-portal";
+            flags = [ "ifexists" "nofail" ];
+          }
+          {
+            name = "libpipewire-module-access";
+            args = { };
+          }
+          { name = "libpipewire-module-adapter"; }
+          { name = "libpipewire-module-link-factory"; }
+          { name = "libpipewire-module-session-manager"; }
+        ] ++ cfg.modules;
+      };
+    };
+
+    hardware.pulseaudio.enable = mkForce false;
+
+    environment.systemPackages = with pkgs; [
+      pulsemixer
+      pavucontrol
+    ] ++ cfg.extra-packages;
+  };
+}

modules/hardware/printing/default.nix

@@ -0,0 +1,39 @@
+{ options, config, pkgs, lib, ... }:
+
+with lib;
+#with lib.internal;
+let cfg = config.custom.hardware.printing;
+in
+{
+  options.custom.hardware.printing = with types; {
+    enable = mkBoolOpt false "Whether or not to enable printing and scaning";
+    printers = mkOpt (listOf package) [ ] "Custom printing backend packages to install.";
+  };
+
+  config = mkIf cfg.enable {
+
+    services.printing = {
+      enable = true;
+      webInterface = true;
+      drivers = with pkgs; [
+        hplipWithPlugin
+      ] ++ cfg.printers;
+    };
+
+    hardware = {
+      sane = {
+        enable = true;
+        extraBackends = with pkgs; [
+          sane-airscan
+          hplipWithPlugin
+        ] ++ cfg.printers;
+      };
+    };
+
+    services.avahi = {
+      enable = true;
+      nssmdns = true;
+      openFirewall = true;
+    };
+  };
+}