feat: a lot of stuff

hosts/IROH/default.nix

@@ -20,6 +20,9 @@
     devenv.enable = true;
     virtualisation.enable = true;
     games.enable = true;
+    ratbag.enable = true;
+
+    ai.enable = true;
 
   };
 

hosts/T430/default.nix

@@ -21,6 +21,9 @@
     devenv.enable = true;
     virtualisation.enable = true;
     games.enable = true;
+    ratbag.enable = true;
+
+    ai.enable = false;
 
   };
 

hosts/W530/default.nix

@@ -20,6 +20,9 @@
     devenv.enable = true;
     virtualisation.enable = true;
     games.enable = true;
+    ratbag.enable = true;
+
+    ai.enable = false;
 
   };
 

modules/audio.nix

@@ -1,4 +1,4 @@
-{ config, lib, ... }: lib.mkIf config.bchmnn.audio.enable {
+{ pkgs, config, lib, ... }: lib.mkIf config.bchmnn.audio.enable {
   # Enable pipewire - audio
   services.pipewire = {
     enable = true;
@@ -7,5 +7,12 @@
     alsa.support32Bit = true;
     jack.enable = true;
     pulse.enable = true;
+    wireplumber.enable = true;
   };
+
+  environment.systemPackages = with pkgs; [
+    alsa-utils
+    pulseaudio
+  ];
+
 }

modules/default.nix

@@ -50,6 +50,14 @@
       enable = mkEnableOption "games";
     };
 
+    ai = {
+      enable = mkEnableOption "ai";
+    };
+
+    ratbag = {
+      enable = mkEnableOption "ratbag";
+    };
+
   };
 
   imports = [
@@ -69,19 +77,21 @@
     ./nix-ld.nix
     ./nix.nix
     ./nvidia.nix
+    ./ollama.nix
     ./opengl.nix
     ./openssh.nix
     ./openvpn.nix
     ./power.nix
     ./packages.nix
     ./printing.nix
+    ./ratbag.nix
     ./rr.nix
     ./security.nix
     ./shell.nix
     ./steam.nix
     ./syncthing.nix
+    ./tts.nix
     ./udisks2.nix
-    ./unfree.nix
     ./virtualisation.nix
     ./xdg-portal.nix
   ];

modules/keyd.nix

@@ -34,7 +34,12 @@ in
   services.keyd = {
     enable = true;
     keyboards.default = {
-      ids = [ "*" "-04fe:0020" ];
+      ids = [
+        "*"
+        "-04fe:0020" # HHKB
+        "-046d:102a" # Logitech G700s
+        "-046d:c07c" # Logitech G700s Rechargeable Gaming Mouse
+      ];
       settings = {
         main = {
           leftalt = "layer(meta)";

modules/nix.nix

@@ -8,19 +8,25 @@
     };
   };
 
-  nixpkgs.overlays = [
+  nixpkgs = {
-    (self: super: {
+    overlays = [
-      bun-baseline = (super.callPackage ../overlays/bun-baseline.nix { });
+      (self: super: {
-      mfcl3750cdwlpr = (super.callPackage ../overlays/mfcl3750cdw.nix { }).driver;
+        bun-baseline = (super.callPackage ../overlays/bun-baseline.nix { });
-      mfcl3750cdwcupswrapper = (super.callPackage ../overlays/mfcl3750cdw.nix { }).cupswrapper;
+        mfcl3750cdwlpr = (super.callPackage ../overlays/mfcl3750cdw.nix { }).driver;
-    })
+        mfcl3750cdwcupswrapper = (super.callPackage ../overlays/mfcl3750cdw.nix { }).cupswrapper;
-  ];
+        pppdf = (super.python3Packages.callPackage ../overlays/pppdf { });
-
+      })
-  # allow EOL version electron for obsidian
+    ];
-  # TODO: remove
+    config = {
-  nixpkgs.config.permittedInsecurePackages = [
+      allowUnfree = true;
-    "electron-25.9.0"
+      allowUnfreePredicate = (_: true);
-  ];
+      # allow EOL version electron for obsidian
+      # TODO: remove
+      permittedInsecurePackages = [
+        "electron-25.9.0"
+      ];
+    };
+  };
 
   system.stateVersion = "23.05";
 }

modules/ollama.nix

@@ -0,0 +1,6 @@
+{ lib, config, ... }: lib.mkIf config.bchmnn.ai.enable {
+  services.ollama = {
+    enable = true;
+    acceleration = if config.bchmnn.nvidia.enable then "cuda" else null;
+  };
+}

modules/packages.nix

@@ -2,6 +2,7 @@
   environment.systemPackages = with pkgs; with config.bchmnn; [
     pciutils # a collection of programs for inspecting and manipulating configuration of pci devices
     usbutils # tools for working with usb devices, such as lsusb
+    lshw # provide detailed information on the hardware configuration of the machine
     git # distributed version control system
     gnumake # a tool to control the generation of non-source files from sources
     mercurial # a fast, lightweight scm system for very large distributed projects

modules/ratbag.nix

@@ -0,0 +1,3 @@
+{
+  services.ratbagd.enable = true;
+}

modules/rr.nix

@@ -6,7 +6,6 @@
 
   virtualisation = {
     oci-containers = {
-      backend = "podman";
       containers = {
         flare-solvarr = {
           image = "ghcr.io/flaresolverr/flaresolverr:latest";

modules/tts.nix

@@ -0,0 +1,17 @@
+{ lib, config, ... }: lib.mkIf config.bchmnn.ai.enable {
+
+  virtualisation = {
+    oci-containers = {
+      containers = {
+        coqui-ai-tts = {
+          image = "ghcr.io/coqui-ai/tts:latest";
+          autoStart = true;
+          ports = ["127.0.0.1:5002:5002"];
+          entrypoint = "/bin/bash";
+          cmd = [];
+        };
+      };
+    };
+  };
+
+}

modules/unfree.nix

@@ -1,3 +0,0 @@
-{ ... }: {
-  nixpkgs.config.allowUnfree = true;
-}

modules/virtualisation.nix

@@ -10,11 +10,20 @@
       # required for containers under podman-compose to be able to talk to each other.
       defaultNetwork.settings.dns_enabled = true;
     };
+    oci-containers = {
+      backend = "podman";
+    };
+    containers = {
+      enable = true;
+      cdi.dynamic.nvidia.enable = config.bchmnn.nvidia.enable;
+    };
   };
+
   programs = {
     dconf.enable = true;
     virt-manager.enable = true;
   };
+
   environment.systemPackages = with pkgs; [ virtiofsd ];
 
 }

overlays/pppdf/default.nix

@@ -0,0 +1,26 @@
+{ pkgs, lib, buildPythonApplication, python3Packages }:
+buildPythonApplication {
+  pname = "pppdf";
+  version = "1.0.0";
+  src = ./pppdf.py;
+
+  nativeBuildInputs = [
+    pkgs.wrapGAppsHook
+    pkgs.gobject-introspection
+  ];
+
+  propagatedBuildInputs = with python3Packages; [ pkgs.gtk3 pygobject3 notify2 pikepdf ];
+
+  dontUnpack = true;
+  format = "other";
+
+  installPhase = ''
+    install -D $src $out/bin/pppdf
+  '';
+
+  meta = with lib; {
+    description = "PDF Postprocessor";
+    license = licenses.mit;
+  };
+
+}

overlays/pppdf/pppdf.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python
+
+import sys
+import math
+import os
+
+try:
+    import notify2
+except:
+    print('Missing library: notify2')
+    exit(1)
+
+notify2.init('pppdf')
+# notify2.Notification('pppdf', f'Working dir: {os.getcwd()}').show()
+
+try:
+    import pikepdf
+except:
+    notify2.Notification('pppdf', 'Missing library: pikepdf').show()
+    print('Missing library: pikepdf')
+    exit(1)
+
+try:
+    import gi
+    gi.require_version("Gtk", "3.0")
+    from gi.repository import Gtk
+except:
+    notify2.Notification('pppdf', 'Missing library: gi').show()
+    print('Missing library: gi')
+    exit(1)
+
+if len(sys.argv) != 5:
+    notify2.Notification('pppdf', 'Error: invalid arguments.').show()
+    print('Error: invalid arguments.')
+    print(f'Usage: {sys.argv[0]} <mime> <keep_original=true|false> <file> <mode=zip|rzip>')
+    exit(1)
+
+mime = sys.argv[1]
+keep = sys.argv[2]
+source = sys.argv[3]
+mode = sys.argv[4]
+
+if mime != 'application/pdf':
+    notify2.Notification('pppdf', 'Error: Only support for pdf.').show()
+    print('Error: Only support for pdf.')
+    exit(1)
+
+
+def pppdf_zip():
+    try:
+        with pikepdf.open(source) as pdf:
+
+            target = pikepdf.Pdf.new()
+
+            n = len(pdf.pages)
+            if mode == "zip":
+                pattern = [i // 2 if i % 2 == 0 else math.ceil(n / 2) + i // 2 for i in range(n)]
+            else:
+                pattern = [i // 2 if i % 2 == 0 else n - (i // 2) - 1 for i in range(n)]
+            print(pattern)
+            for i in pattern:
+                target.pages.append(pdf.pages[i])
+
+            if keep != "false":
+                pdf.save(source + ".orig")
+            target.save(source)
+            notify2.Notification('pppdf', f'Success: {source}').show()
+    except Exception as error:
+        notify2.Notification('pppdf', f'Error: {error}').show()
+
+
+
+class Dialog(Gtk.Window):
+    def __init__(self):
+        Gtk.Window.__init__(self, title="pppdf")
+
+        self.set_border_width(6)
+        label = Gtk.Label(label=f"Do you want to zip {source}?")
+
+        btn_cancel = Gtk.Button(label="Cancel")
+        btn_ok = Gtk.Button(label="Ok")
+        btn_cancel.connect("clicked", self.on_btn_cancel_clicked)
+        btn_ok.connect("clicked", self.on_btn_ok_clicked)
+
+        buttons = Gtk.Box(spacing=6)
+        buttons.pack_start(btn_cancel, True, True, 0)
+        buttons.pack_start(btn_ok, True, True, 0)
+
+        vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
+
+        vbox.pack_start(label, True, True, 0)
+        vbox.pack_start(buttons, True, True, 0)
+
+        self.add(vbox)
+
+    def on_btn_cancel_clicked(self, widget):
+        Gtk.main_quit()
+
+    def on_btn_ok_clicked(self, widget):
+        pppdf_zip()
+        Gtk.main_quit()
+
+win = Dialog()
+win.connect("destroy", Gtk.main_quit)
+win.show_all()
+Gtk.main()
+

users/gandalf/modules/audio.nix

@@ -0,0 +1,21 @@
+{
+  xdg.configFile."wireplumber/wireplumber.conf.d/51-scarlett-samplerate.conf" = {
+    text = ''
+      monitor.alsa.rules = [
+        {
+          matches = [
+            {
+              node.nick = "Scarlett 2i2 USB"
+            }
+          ]
+          actions = {
+            update-props = {
+              audio.rate = 44100
+              api.acp.probe-rate = 44100
+            }
+          }
+        }
+      ]
+    '';
+  };
+}

users/gandalf/modules/default.nix

@@ -1,5 +1,6 @@
 {
   imports = [
+    ./audio.nix
     ./dconf.nix
     ./fzf.nix
     ./gui

users/gandalf/modules/gui/programs/default.nix

@@ -25,6 +25,7 @@
 
     gnome.nautilus # the file manager for gnome
     gnome.simple-scan # simple scanning utility
+    pppdf
     feh # a light-weight image viewer
     vlc # cross-platform media player and streaming server
     zathura # a highly customizable and functional pdf viewer
@@ -41,9 +42,14 @@
 
   ] ++ lib.optionals nixosConfig.bchmnn.printing.enable [
     system-config-printer # graphical user interface for cups administration
+
   ] ++ lib.optionals nixosConfig.bchmnn.games.enable [
     openjdk17 # the open-source java development kit
     prismlauncher # a free, open source launcher for minecraft
+
+  ] ++ lib.optionals nixosConfig.bchmnn.ratbag.enable [
+    piper # gtk frontend for ratbagd mouse config daemon
+
   ];
 
 }