flake.lock: Update

Flake lock file updates:

• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/0833dc8bbc4ffa9cf9b0cbfccf1c5ec8632fc66e' (2025-05-04)
  → 'github:NixOS/nixos-hardware/2ea3ad8a1f26a76f8a8e23fc4f7757c46ef30ee5' (2025-05-07)
• Updated input 'nixos-unstable':
    'github:NixOS/nixpkgs/979daf34c8cacebcd917d540070b52a3c2b9b16e' (2025-05-04)
  → 'github:NixOS/nixpkgs/3730d8a308f94996a9ba7c7138ede69c1b9ac4ae' (2025-05-05)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/537ee98218704e21ea465251de512ab6bbb9012e' (2025-05-03)
  → 'github:NixOS/nixpkgs/1d3aeb5a193b9ff13f63f4d9cc169fb88129f860' (2025-05-06)
• Updated input 'nur':
    'github:nix-community/NUR/d4f47d772344dc46d4f190e9faa61ce03b98f454' (2025-05-04)
  → 'github:nix-community/NUR/228d29ab7ffa3f89d0088917883b179c7bce05f2' (2025-05-08)
• Updated input 'nur/nixpkgs':
    'github:nixos/nixpkgs/979daf34c8cacebcd917d540070b52a3c2b9b16e' (2025-05-04)
  → 'github:nixos/nixpkgs/3730d8a308f94996a9ba7c7138ede69c1b9ac4ae' (2025-05-05)

common/default.nix

@@ -1,20 +1,25 @@
-{ config, pkgs, lib, ... }:
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
   inputs = config.inputInjection.flake-inputs;
   unstable = inputs.nixos-unstable;
-
 in
 {
-  imports =
-    [
+  imports = [
     ./packages.nix
     ./nitrokey.nix
+    ./nix-settings.nix
+    ./upgrade-diff.nix
+    ./guest.nix
   ];
 
   services.davfs2.enable = true;
 
-
   # exfat support
   #boot.extraModulePackages = [ config.boot.kernelPackages.exfat-nofuse ];
 
@@ -37,9 +42,8 @@ in
 
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
-  programs.bash.enableCompletion = true;
-  programs.wireshark =
-    {
+  programs.bash.completion.enable = true;
+  programs.wireshark = {
     enable = true;
     package = pkgs.wireshark;
   };
@@ -49,6 +53,11 @@ in
   programs.mtr.enable = true;
   # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
 
+  programs.ausweisapp = {
+    enable = true;
+    openFirewall = true;
+  };
+
   # List services that you want to enable:
 
   # Enable the OpenSSH daemon.
@@ -59,8 +68,18 @@ in
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
-  networking.firewall.allowedTCPPortRanges = [{ from = 1714; to = 1764; }];
-  networking.firewall.allowedUDPPortRanges = [{ from = 1714; to = 1764; }]; # for KDE connect
+  networking.firewall.allowedTCPPortRanges = [
+    {
+      from = 1714;
+      to = 1764;
+    }
+  ];
+  networking.firewall.allowedUDPPortRanges = [
+    {
+      from = 1714;
+      to = 1764;
+    }
+  ]; # for KDE connect
   # FIXME: kdeconnect module
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
@@ -104,59 +123,56 @@ in
         };
       };
     };
-};
+  };
 
   services.avahi.enable = true;
 
   # Enable CUPS to print documents.
-  services.printing =
-    {
+  services.printing = {
     enable = true;
     drivers = [ pkgs.hplip ];
   };
   # scanners
-  hardware.sane =
-    {
+  hardware.sane = {
     enable = true;
     extraBackends = [ pkgs.hplip ];
   };
 
-  # Enable sound.
-  hardware.pulseaudio = {
-    enable = true;
-    # decouple pulseaudio application and sink volumes
-    daemon.config = { flat-volumes = "no"; };
-    # C3D2 hq music
-    zeroconf.discovery.enable = true;
-    zeroconf.publish.enable = true;
-  };
-
-
   # Bluetooth
   hardware.bluetooth = {
     enable = true;
     settings.General.Disable = "Headset"; # disable headset profile
   };
-  hardware.pulseaudio = {
-    package = pkgs.pulseaudioFull;
-  };
-
 
   # FIXME: at some point, hide GUI and sound (desktop vs. server) behind an option
   # Enable the X11 windowing system.
-  services.xserver.enable = true;
-  services.xserver.layout = "de";
-  services.xserver.xkbOptions = "eurosign:e";
+  services.xserver = {
+    enable = true;
+    xkb.layout = "de";
+    xkb.options = "eurosign:e";
+  };
 
   # Enable touchpad support.
-  services.xserver.libinput.enable = true;
+  services.libinput.enable = true;
 
   # while libinput also supports graphic tablets, enable more-specific wacom driver
   services.xserver.wacom.enable = true;
 
   # Enable the KDE Desktop Environment.
-  services.xserver.displayManager.sddm.enable = true;
-  services.xserver.desktopManager.plasma5.enable = true;
+  services.displayManager.sddm = {
+    enable = true;
+    wayland.enable = true;
+  };
+  services.desktopManager.plasma6.enable = true;
+  # TODO: move out into a plasma.nix module
+  programs.kde-pim = {
+    enable = true;
+    kmail = true;
+    kontact = true;
+    merkuro = true;
+  };
+  # enable wayland for Chromium and Electron
+  environment.sessionVariables.NIXOS_OZONE_WL = "1";
 
   # dconf required for several Gnome applications
   programs.dconf.enable = true;
@@ -171,7 +187,18 @@ in
   users.users.spiollinux = {
     isNormalUser = true;
     uid = 1000;
-    extraGroups = [ "vboxusers" "wheel" "networkmanager" "scanner" "lp" "wireshark" "dialout" "cdrom" "input" "adbusers" ];
+    extraGroups = [
+      "vboxusers"
+      "wheel"
+      "networkmanager"
+      "scanner"
+      "lp"
+      "wireshark"
+      "dialout"
+      "cdrom"
+      "input"
+      "adbusers"
+    ];
     shell = pkgs.zsh;
   };
 
@@ -184,8 +211,7 @@ in
   nixpkgs.config.whitelistedLicenses = [ pkgs.lib.licenses.virtualbox-puel ];
   users.extraGroups.vboxusers.members = [ "spiollinux" ];
 
-  programs.zsh =
-    {
+  programs.zsh = {
     enable = true;
     autosuggestions.enable = true;
   };
@@ -202,23 +228,9 @@ in
   # Enable all sysrq functions (useful to recover from some issues):
   boot.kernel.sysctl."kernel.sysrq" = 1; # NixOS default: 16 (only the sync command)
 
-  nix = {
-    # expose all flake inputs through nix Path and registry
-    registry = (lib.mapAttrs (_: value: { flake = value; }) inputs) // {
-      nixpkgs.flake = inputs.nixpkgs;
-    };
-    nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;
-  # keep build-time deps around for offline-rebuilding
-    settings = {
-      # keep around all inputs necessary for offline-rebuilding the system
-      keep-outputs = true;
-      keep-derivations = true;
-      trusted-users = [ "spiollinux" ];
-      experimental-features = [ "nix-command" "flakes" "repl-flake" ];
-      # use all cores for building
-      cores = 0;
-    };
-  };
+  nix.package = pkgs.lix;
+
+  nix.settings.trusted-users = [ "spiollinux" ];
   # override tmpdir for daemon
   #systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";
 
@@ -237,7 +249,8 @@ in
   #    ];
   #  }
   #];
-  programs.ssh.knownHosts."build01.nix-community.org".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIElIQ54qAy7Dh63rBudYKdbzJHrrbrrMXLYl7Pkmk88H";
+  programs.ssh.knownHosts."build01.nix-community.org".publicKey =
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIElIQ54qAy7Dh63rBudYKdbzJHrrbrrMXLYl7Pkmk88H";
 
   # package debugging
   # programs.sysdig.enable = true;
@@ -255,5 +268,5 @@ in
   # stop NetworkManager from managing virtual interfaces
   networking.networkmanager.unmanaged = [ "interface-name:ve-*" ];
 
-
+  services.dbus.implementation = "broker";
 }

common/guest.nix

@@ -0,0 +1,65 @@
+{
+  config,
+  lib,
+  system,
+  ...
+}:
+let
+  inputs = config.inputInjection.flake-inputs;
+in
+{
+  # interesting: this causes an infinite recursion
+  #imports = [ config.inputInjection.flake-inputs.home-manager.nixosModules.home-manager ];
+
+  options.schmittlauch.guestUser.enable = lib.options.mkEnableOption "Provide a guest user account";
+
+  config = lib.mkIf config.schmittlauch.guestUser.enable {
+    users.extraUsers.gast = {
+      isNormalUser = true;
+      group = "gast";
+      hashedPassword = "$y$j9T$pPCjU8ZvVYo0aY4jtrHPj1$NxUWOP/YTcqJ1PYaP1Hy5MwTeDcNjg0k369R5rE5M48";
+    };
+    users.groups.gast = { };
+    # a basic home-manager configuration to share installed packages of other accounts
+    # reason: keeping a separate config checkout for guests and requiring them to run
+    # their own `home-manager` instance does not make sense.
+    home-manager =
+      let
+        gast = config.users.extraUsers.gast;
+      in
+      {
+        useGlobalPkgs = false; # to allow usage of home-level overlays
+        # FIXME: possibly expose home modules through flake outputs instead of brittle path traversals
+        users.gast = {
+          imports = [
+            ../home/modules/packages.nix
+          ];
+          home = {
+            username = gast.name;
+            homeDirectory = gast.home;
+            stateVersion = "24.05";
+          };
+          schmittlauch = {
+            packages = {
+              graphics = true;
+              multimedia = true;
+              nixHelpers = true;
+              devTools = true;
+              pythonTools = true;
+              games = true;
+              desktopLinux = true;
+              kde = true;
+            };
+          };
+
+        };
+        # Optionally use extraSpecialArgs
+        # to pass through arguments to home.nix
+        extraSpecialArgs = {
+          inherit inputs system;
+        };
+
+      };
+
+  };
+}

common/nitrokey.nix

@@ -1,11 +1,13 @@
-{ pkgs, lib, ...}:
+{ pkgs, lib, ... }:
 {
-hardware.nitrokey.enable = true;
-environment.systemPackages = [ pkgs.pynitrokey ];
-nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+  hardware.nitrokey.enable = true;
+  environment.systemPackages = [ pkgs.pynitrokey ];
+  nixpkgs.config.allowUnfreePredicate =
+    pkg:
+    builtins.elem (lib.getName pkg) [
       "nrfutil"
       "pc-ble-driver-py"
       "pc-ble-driver"
       "pypemicro"
-];
+    ];
 }

common/nix-settings.nix

@@ -0,0 +1,38 @@
+# needs to be kept compatible to both NixOS and nix-darwin
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  inputs = config.inputInjection.flake-inputs;
+  unstable = inputs.nixos-unstable;
+in
+{
+  nix = {
+    # expose all flake inputs through nix Path and registry
+    registry = (lib.mapAttrs (_: value: { flake = value; }) inputs) // {
+      nixpkgs.flake = inputs.nixpkgs;
+    };
+    nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;
+  };
+  nix.settings = builtins.mapAttrs (_: lib.mkDefault) {
+    # keep around all inputs necessary for offline-rebuilding the system
+    keep-outputs = true;
+    keep-derivations = true;
+    trusted-users = [ "spiollinux" ];
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+    # use all cores for building
+    cores = 0;
+  };
+  # TODO: manage access token with sops instead of manual deployment
+  # permissions: needs to be readable by the user invoking nix and root (for nix daemon)
+  nix.extraOptions = ''
+    !include /etc/nix/secrets.conf
+  '';
+}

common/packages.nix

@@ -1,8 +1,18 @@
-{ lib, pkgs, config, ... }:
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
 
 {
   # take overlays from flake
   nixpkgs.overlays = lib.attrValues config.inputInjection.flake-inputs.self.overlays;
+  nixpkgs.config.permittedInsecurePackages = [
+    # (temporarily) permit the usage of libolm
+    "olm-3.2.16"
+  ];
+
   # List packages installed in system profile.
   environment.systemPackages = with pkgs; [
     wget
@@ -43,47 +53,7 @@
     networkmanager-openconnect
     networkmanager-vpnc
     networkmanager-openvpn
-    plasma5Packages.kdeGear.akonadi-mime # for KOrganizer
-    ]
-  ++ (with plasma5Packages; with kdeGear; [
-    #akonadi
-    #akonadi-calendar
-    #akonadi-contacts
-    #akonadi-import-wizard
-    #akonadi-mime
-    #akonadi-notes
-    #akonadi-search
-    #akonadiconsole
-    #akregator
-    #kaddressbook
-    #kalarm
-    #kalarmcal
-    #kcalutils
-    #kcontacts
-    #kdav
-    #kdepim-addons
-
-    #kdepim-runtime
-    #kidentitymanagement
-    #kldap
-    #kmail
-    #kmailtransport
-    #kmbox
-    #kmime
-    #kontact
-    #kontactinterface
-    #korganizer
-    #kpimtextedit
-    #libkdepim
-    #libksieve
-    #mailcommon
-    #messagelib
-    #pimcommon
-    #pim-sieve-editor
-
     # for some Flatpak packkages
     accountsservice
-  ]);
+  ];
 }
-
-

common/pipewire.nix

@@ -0,0 +1,25 @@
+{ pkgs, ... }:
+{
+  # rtkit is optional but recommended
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    #jack.enable = true;
+
+    wireplumber.configPackages = [
+      (pkgs.writeTextDir "share/wireplumber/bluetooth.lua.d/51-bluez-config.lua" ''
+        bluez_monitor.properties = {
+            ["bluez5.enable-sbc-xq"] = true,
+            ["bluez5.enable-msbc"] = true,
+            ["bluez5.enable-hw-volume"] = true,
+            ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
+        }
+      '')
+    ];
+  };
+  environment.systemPackages = [ pkgs.easyeffects ];
+}

common/pulseaudio.nix

@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+{
+  # Enable sound.
+  hardware.pulseaudio = {
+    enable = true;
+    package = pkgs.pulseaudioFull;
+    # decouple pulseaudio application and sink volumes
+    daemon.config = {
+      flat-volumes = "no";
+    };
+    # C3D2 hq music
+    zeroconf.discovery.enable = true;
+    zeroconf.publish.enable = true;
+  };
+  services.pipewire.enable = false; # conflicts otherwise
+}

common/upgrade-diff.nix

@@ -0,0 +1,9 @@
+# MIT Jörg Thalheim - https://github.com/Mic92/dotfiles/blob/c6cad4e57016945c4816c8ec6f0a94daaa0c3203/nixos/modules/upgrade-diff.nix
+{ pkgs, ... }:
+{
+  system.activationScripts.diff = ''
+    if [[ -e /run/current-system ]]; then
+      ${pkgs.nix}/bin/nix store diff-closures /run/current-system "$systemConfig"
+    fi
+  '';
+}

darwin/configuration.nix

@@ -0,0 +1,55 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [ ../common/nix-settings.nix ];
+  nix = {
+    enable = true;
+    package = pkgs.nixVersions.nix_2_25;
+    settings = {
+      trusted-users = [
+        "os"
+        "@admin"
+      ]; # @admin for linux-builder
+      substituters = [
+        "https://s3.whq.fcio.net/hydra"
+        "https://hydra.flyingcircus.io"
+      ];
+      trusted-public-keys = [
+        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+        "flyingcircus.io-1:Rr9CwiPv8cdVf3EQu633IOTb6iJKnWbVfCC8x8gVz2o="
+      ];
+    };
+  };
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+
+  # List packages installed in system profile. To search by name, run:
+  # $ nix-env -qaP | grep wget
+  environment.systemPackages = [ pkgs.vim ];
+
+  # Use a custom configuration.nix location.
+  # $ darwin-rebuild switch -I darwin-config=$HOME/.config/nixpkgs/darwin/configuration.nix
+  # environment.darwinConfig = "$HOME/.config/nixpkgs/darwin/configuration.nix";
+
+  # Create /etc/bashrc that loads the nix-darwin environment.
+  programs.zsh.enable = true; # default shell on catalina
+
+  # system-wide SSH configuration, used by nix-daemon for remote builders
+
+  # show hidden files
+  system.defaults.NSGlobalDomain.AppleShowAllFiles = true;
+
+  # Used for backwards compatibility, please read the changelog before changing.
+  # $ darwin-rebuild changelog
+  system.stateVersion = 4;
+  nixpkgs.hostPlatform = "aarch64-darwin";
+
+  # local vm-backed linux builder as background service
+  nix.linux-builder = {
+    enable = true;
+    ephemeral = true;
+    maxJobs = 3;
+  };
+
+}

flake.lock

@@ -1,30 +1,12 @@
 {
   "nodes": {
     "crane": {
-      "inputs": {
-        "flake-compat": [
-          "lanzaboote",
-          "flake-compat"
-        ],
-        "flake-utils": [
-          "lanzaboote",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "lanzaboote",
-          "nixpkgs"
-        ],
-        "rust-overlay": [
-          "lanzaboote",
-          "rust-overlay"
-        ]
-      },
       "locked": {
-        "lastModified": 1681177078,
-        "narHash": "sha256-ZNIjBDou2GOabcpctiQykEQVkI8BDwk7TyvlWlI4myE=",
+        "lastModified": 1731098351,
+        "narHash": "sha256-HQkYvKvaLQqNa10KEFGgWHfMAbWBfFp+4cAgkut+NNE=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "0c9f468ff00576577d83f5019a66c557ede5acf6",
+        "rev": "ef80ead953c1b28316cc3f8613904edc2eb90c28",
         "type": "github"
       },
       "original": {
@@ -36,11 +18,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
         "type": "github"
       },
       "original": {
@@ -57,11 +39,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1680392223,
-        "narHash": "sha256-n3g7QFr85lDODKt250rkZj2IFS3i4/8HBU2yKHO3tqw=",
+        "lastModified": 1730504689,
+        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "dcc36e45d054d7bb554c9cdab69093debd91a0b5",
+        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
         "type": "github"
       },
       "original": {
@@ -70,21 +52,24 @@
         "type": "github"
       }
     },
-    "flake-utils": {
+    "flake-parts_2": {
       "inputs": {
-        "systems": "systems"
+        "nixpkgs-lib": [
+          "nur",
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1681202837,
-        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "lastModified": 1733312601,
+        "narHash": "sha256-4pDvzqnegAfRkPwO3wmwBhVi/Sye1mzps0zHWYnP88c=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "205b12d8b7cd4802fbcb8e8ef6a0f1408781a4f9",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
         "type": "github"
       }
     },
@@ -97,11 +82,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1660459072,
-        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
         "owner": "hercules-ci",
         "repo": "gitignore.nix",
-        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
         "type": "github"
       },
       "original": {
@@ -117,16 +102,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1706981411,
-        "narHash": "sha256-cLbLPTL1CDmETVh4p0nQtvoF+FSEjsnJTFpTxhXywhQ=",
+        "lastModified": 1746171682,
+        "narHash": "sha256-EyXUNSa+H+YvGVuQJP1nZskXAowxKYp79RNUsNdQTj4=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "652fda4ca6dafeb090943422c34ae9145787af37",
+        "rev": "50eee705bbdbac942074a8c120e8194185633675",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-23.11",
+        "ref": "release-24.11",
         "repo": "home-manager",
         "type": "github"
       }
@@ -136,50 +121,33 @@
         "crane": "crane",
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
-        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks-nix": "pre-commit-hooks-nix",
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1682802423,
-        "narHash": "sha256-Fb5TeRTdvUlo/5Yi2d+FC8a6KoRLk2h1VE0/peMhWPs=",
+        "lastModified": 1737639419,
+        "narHash": "sha256-AEEDktApTEZ5PZXNDkry2YV2k6t0dTgLPEmAZbnigXU=",
         "owner": "nix-community",
         "repo": "lanzaboote",
-        "rev": "64b903ca87d18cef2752c19c098af275c6e51d63",
+        "rev": "a65905a09e2c43ff63be8c0e86a93712361f871e",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "v0.3.0",
+        "ref": "v0.4.2",
         "repo": "lanzaboote",
         "type": "github"
       }
     },
-    "logseq-fix-nixpkgs": {
-      "locked": {
-        "lastModified": 1707316439,
-        "narHash": "sha256-3dVL8Wk7ECMiQrHVO1ys7FawMLo7iyQJyKG+aie1eaE=",
-        "owner": "schmittlauch",
-        "repo": "nixpkgs",
-        "rev": "6f1431c8e2dfdfdfe25837c2cc94857900153cab",
-        "type": "github"
-      },
-      "original": {
-        "owner": "schmittlauch",
-        "ref": "backport2311-logseq-0.10.5",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "mysecrets": {
       "flake": false,
       "locked": {
-        "lastModified": 1618507998,
-        "narHash": "sha256-i5ph7JlFh8eFEnQehQaKj2SGG7WLE0DPO8R81ERGCZ0=",
+        "lastModified": 1722419972,
+        "narHash": "sha256-7gKcSKTu7Z6sswIK4QuMHtDbpKMs09b6w7uFjJJyAIA=",
         "ref": "refs/heads/master",
-        "rev": "068a4759e72948284c3de85d20a780723278f8b8",
-        "revCount": 2,
+        "rev": "c725f810bb9a43c213fcf964f036dd0c64b6ba04",
+        "revCount": 5,
         "type": "git",
         "url": "ssh://gitea@git.orlives.de:2342/schmittlauch/home-manager_secrets.git"
       },
@@ -188,13 +156,34 @@
         "url": "ssh://gitea@git.orlives.de:2342/schmittlauch/home-manager_secrets.git"
       }
     },
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1743127615,
+        "narHash": "sha256-+sMGqywrSr50BGMLMeY789mSrzjkoxZiu61eWjYS/8o=",
+        "owner": "LnL7",
+        "repo": "nix-darwin",
+        "rev": "fc843893cecc1838a59713ee3e50e9e7edc6207c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "LnL7",
+        "ref": "nix-darwin-24.11",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1707211557,
-        "narHash": "sha256-LTKTzZ6fM5j8XWXf51IMBzDaOaJg9kYWLUZxoIhzRN8=",
+        "lastModified": 1746621361,
+        "narHash": "sha256-T9vOxEqI1j1RYugV0b9dgy0AreiZ9yBDKZJYyclF0og=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "6e5cc385fc8cf5ca6495d70243074ccdea9f64c7",
+        "rev": "2ea3ad8a1f26a76f8a8e23fc4f7757c46ef30ee5",
         "type": "github"
       },
       "original": {
@@ -206,11 +195,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1707956935,
-        "narHash": "sha256-ZL2TrjVsiFNKOYwYQozpbvQSwvtV/3Me7Zwhmdsfyu4=",
+        "lastModified": 1746461020,
+        "narHash": "sha256-7+pG1I9jvxNlmln4YgnlW4o+w0TZX24k688mibiFDUE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a4d4fe8c5002202493e87ec8dbc91335ff55552c",
+        "rev": "3730d8a308f94996a9ba7c7138ede69c1b9ac4ae",
         "type": "github"
       },
       "original": {
@@ -222,11 +211,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1682741954,
-        "narHash": "sha256-RPZxzRu8XU0YD2WeYUFYzJy5yAvWUsxkuK+zWw+6WVk=",
+        "lastModified": 1731919951,
+        "narHash": "sha256-vOM6ETpl1yu9KLi/icTmLJIPbbdJCdAVYUXZceO/Ce4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "373e9eb4c42b2fc0611d794de5ea715a35d72393",
+        "rev": "04386ac325a813047fc314d4b4d838a5b1e3c7fe",
         "type": "github"
       },
       "original": {
@@ -238,43 +227,64 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1678872516,
-        "narHash": "sha256-/E1YwtMtFAu2KUQKV/1+KFuReYPANM2Rzehk84VxVoc=",
+        "lastModified": 1730741070,
+        "narHash": "sha256-edm8WG19kWozJ/GqyYx2VjW99EdhjKwbY3ZwdlPAAlo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9b8e5abb18324c7fe9f07cb100c3cd4a29cda8b8",
+        "rev": "d063c1dd113c91ab27959ba540c0d9753409edf3",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-22.11",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1707978831,
-        "narHash": "sha256-UblFdWQ2MMZNzD9C/w8+7RjAJ2QIbebbzHUniQ/a44o=",
+        "lastModified": 1746557022,
+        "narHash": "sha256-QkNoyEf6TbaTW5UZYX0OkwIJ/ZMeKSSoOMnSDPQuol0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c68a9fc85c2cb3a313be6ff40511635544dde8da",
+        "rev": "1d3aeb5a193b9ff13f63f4d9cc169fb88129f860",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.11",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1746461020,
+        "narHash": "sha256-7+pG1I9jvxNlmln4YgnlW4o+w0TZX24k688mibiFDUE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "3730d8a308f94996a9ba7c7138ede69c1b9ac4ae",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nur": {
+      "inputs": {
+        "flake-parts": "flake-parts_2",
+        "nixpkgs": "nixpkgs_3",
+        "treefmt-nix": "treefmt-nix"
+      },
       "locked": {
-        "lastModified": 1707071465,
-        "narHash": "sha256-sp+lgTl440Ex3v8rB6hspMJhg5uuGVfO1LRba/a8kSY=",
+        "lastModified": 1746740791,
+        "narHash": "sha256-4o0Aj9BXpybfAkcxY3h9+y0AuC5TtIVztuTdVXYubrI=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "abe9eb6d605d624e121d4f84749b47f7816f1686",
+        "rev": "228d29ab7ffa3f89d0088917883b179c7bce05f2",
         "type": "github"
       },
       "original": {
@@ -289,10 +299,6 @@
           "lanzaboote",
           "flake-compat"
         ],
-        "flake-utils": [
-          "lanzaboote",
-          "flake-utils"
-        ],
         "gitignore": "gitignore",
         "nixpkgs": [
           "lanzaboote",
@@ -301,11 +307,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1681413034,
-        "narHash": "sha256-/t7OjNQcNkeWeSq/CFLYVBfm+IEnkjoSm9iKvArnUUI=",
+        "lastModified": 1731363552,
+        "narHash": "sha256-vFta1uHnD29VUY4HJOO/D6p6rxyObnf+InnSMT4jlMU=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "d3de8f69ca88fb6f8b09e5b598be5ac98d28ede5",
+        "rev": "cd1af27aa85026ac759d5d3fccf650abe7e1bbf0",
         "type": "github"
       },
       "original": {
@@ -318,32 +324,29 @@
       "inputs": {
         "home-manager": "home-manager",
         "lanzaboote": "lanzaboote",
-        "logseq-fix-nixpkgs": "logseq-fix-nixpkgs",
         "mysecrets": "mysecrets",
+        "nix-darwin": "nix-darwin",
         "nixos-hardware": "nixos-hardware",
         "nixos-unstable": "nixos-unstable",
         "nixpkgs": "nixpkgs_2",
         "nur": "nur",
+        "treefmt-nix": "treefmt-nix_2",
         "utils": "utils"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "flake-utils": [
-          "lanzaboote",
-          "flake-utils"
-        ],
         "nixpkgs": [
           "lanzaboote",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1682129965,
-        "narHash": "sha256-1KRPIorEL6pLpJR04FwAqqnt4Tzcm4MqD84yhlD+XSk=",
+        "lastModified": 1731897198,
+        "narHash": "sha256-Ou7vLETSKwmE/HRQz4cImXXJBr/k9gp4J4z/PF8LzTE=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "2c417c0460b788328220120c698630947547ee83",
+        "rev": "0be641045af6d8666c11c2c40e45ffc9667839b5",
         "type": "github"
       },
       "original": {
@@ -367,31 +370,57 @@
         "type": "github"
       }
     },
-    "systems_2": {
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nur",
+          "nixpkgs"
+        ]
+      },
       "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "lastModified": 1733222881,
+        "narHash": "sha256-JIPcz1PrpXUCbaccEnrcUS8jjEb/1vJbZz5KkobyFdM=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "49717b5af6f80172275d47a418c9719a31a78b53",
         "type": "github"
       },
       "original": {
-        "owner": "nix-systems",
-        "repo": "default",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
+    "treefmt-nix_2": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746216483,
+        "narHash": "sha256-4h3s1L/kKqt3gMDcVfN8/4v2jqHrgLIe4qok4ApH5x4=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "29ec5026372e0dec56f890e50dbe4f45930320fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
         "type": "github"
       }
     },
     "utils": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems"
       },
       "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {

flake.nix

@@ -2,19 +2,26 @@
   description = "NixOS system flake";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
-    logseq-fix-nixpkgs.url = "github:schmittlauch/nixpkgs/backport2311-logseq-0.10.5";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
     nixos-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
     home-manager = {
-      url = "github:nix-community/home-manager/release-23.11";
+      url = "github:nix-community/home-manager/release-24.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     lanzaboote = {
-      url = "github:nix-community/lanzaboote/v0.3.0";
+      url = "github:nix-community/lanzaboote/v0.4.2";
       # deliberately do _not_ follow the nixpkgs input here, because paranoia and test coverage
     };
     utils.url = "github:numtide/flake-utils";
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    nix-darwin = {
+      url = "github:LnL7/nix-darwin/nix-darwin-24.11";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
 
     nur.url = "github:nix-community/NUR";
     # TODO: possible make this a flake as well
@@ -22,20 +29,31 @@
       flake = false;
       url = "git+ssh://gitea@git.orlives.de:2342/schmittlauch/home-manager_secrets.git";
     };
-
   };
 
   outputs =
-  { self, nixpkgs, nur, lanzaboote, utils, home-manager, ... }@inputs: 
+    {
+      self,
+      nixpkgs,
+      nur,
+      lanzaboote,
+      utils,
+      home-manager,
+      treefmt-nix,
+      nix-darwin,
+      ...
+    }@inputs:
     let
       # FIXME: allow different systems
       systems = utils.lib.system;
       # necessary to make the top-level inputs available to system configuration
       # inspired by https://jade.fyi/blog/flakes-arent-real/
-    inputInjection = {pkgs, lib, ...}: {
+      inputInjection =
+        { pkgs, lib, ... }:
+        {
           options.inputInjection = lib.mkOption {
             type = with lib.types; attrsOf unspecified;
-        default = {};
+            default = { };
           };
           config.inputInjection = {
             flake-inputs = inputs;
@@ -43,27 +61,32 @@
         };
       defaultModules = system: [
         inputInjection
+
+        # for some reason, `imports`-ing the home-manager module via inputInjection
+        # from a sub-module causes infinite recursion, so importing it here instead
+        home-manager.nixosModules.home-manager
       ];
-    mkSystem = system: extraModules:
+      mkSystem =
+        system: extraModules:
         nixpkgs.lib.nixosSystem rec {
           modules = (defaultModules system) ++ extraModules;
           inherit system;
-        specialArgs = {inherit system;};
+          specialArgs = {
+            inherit system;
           };
-    mkHomeManager = confName: user: system:  # unfortunately, home-manager configs are still system-specific
-    # FIXME: this is thus still linux-x86_64 specific
+        };
+      mkHomeManager =
+        confName: user: system: # unfortunately, home-manager configs are still system-specific
         home-manager.lib.homeManagerConfiguration {
           pkgs = nixpkgs.legacyPackages.${system};
           modules = [
             {
               imports = [
-            nur.hmModules.nur
-            # TODO: $name can be utilised to conditionally load other config files
-            ./home/home.nix
+                ./home/common.nix
+                ./home/${confName}.nix
               ];
               # extends the home config
               home.username = user;
-          home.homeDirectory = "/home/${user}";
             }
           ];
           # Optionally use extraSpecialArgs
@@ -72,26 +95,104 @@
             inherit inputs system;
           };
         };
+      treefmtConf =
+        { pkgs, ... }:
+        {
+          projectRootFile = "flake.nix";
+          programs.nixfmt.enable = true;
+        };
     in
     {
       overlays.default = import ./packages;
       nixosConfigurations = {
-      thinknix = mkSystem systems.x86_64-linux [ ./hosts/thinknix inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t440s lanzaboote.nixosModules.lanzaboote ];
-      framenix = mkSystem systems.x86_64-linux [ ./hosts/framenix inputs.nixos-hardware.nixosModules.framework-13-7040-amd lanzaboote.nixosModules.lanzaboote ];
+        thinknix = mkSystem systems.x86_64-linux [
+          ./hosts/thinknix
+          inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t440s
+          lanzaboote.nixosModules.lanzaboote
+        ];
+        framenix = mkSystem systems.x86_64-linux [
+          ./hosts/framenix
+          inputs.nixos-hardware.nixosModules.framework-13-7040-amd
+          lanzaboote.nixosModules.lanzaboote
+        ];
       };
-    homeConfigurations.spiollinux = mkHomeManager "spiollinux" "spiollinux" systems.x86_64-linux;
-  } // utils.lib.eachDefaultSystem(system:
+      darwinConfigurations."OS-MacBook-Pro" = nix-darwin.lib.darwinSystem {
+        modules = [
+          ./darwin/configuration.nix
+          inputInjection
+
+        ];
+      };
+      homeConfigurations = {
+        spiollinux-desktop = mkHomeManager "desktop" "spiollinux" systems.x86_64-linux;
+        os-workmac = mkHomeManager "workmac" "os" systems.aarch64-darwin;
+      };
+      lib = {
+        inherit mkHomeManager;
+      };
+    }
+    // utils.lib.eachDefaultSystem (
+      system:
       let
         nixpkgs = import inputs.nixpkgs {
           inherit system;
           overlays = nixpkgs.lib.attrValues self.overlays;
         };
-      pkgs = inputs.nixpkgs.legacyPackages.${system};
-    in {
-      devShells.default = pkgs.mkShell {
-        buildInputs = [];
+        nixpkgs_unstable = import inputs.nixos-unstable {
+          inherit system;
+          overlays = nixpkgs.lib.attrValues self.overlays;
         };
+        pkgs = inputs.nixpkgs.legacyPackages.${system};
+        pkgs_unstable = inputs.nixos-unstable.legacyPackages.${system};
+        treefmtEval = treefmt-nix.lib.evalModule pkgs_unstable treefmtConf;
+      in
+      {
+        devShells.default = pkgs.mkShell { buildInputs = [ ]; };
+        formatter = treefmtEval.config.build.wrapper;
+        checks.formatting = treefmtEval.config.build.check self;
         # expose nixpkgs with overlay; TODO: figure out role of config
         #legacyPackages = nixpkgs;
-    });
+
+        # inspired by https://github.com/Mic92/dotfiles/blob/main/home-manager/flake-module.nix
+        # run like: `nix run .#hm -- <action>`
+        apps.hm = {
+          type = "app";
+          program = "${pkgs.writeShellScriptBin "hm" ''
+                set -x
+                export PATH=${
+                  pkgs.lib.makeBinPath [
+                    pkgs.git
+                    pkgs.coreutils
+                    pkgs.findutils
+                    pkgs.lix
+                    pkgs.jq
+                    pkgs.unixtools.hostname
+                  ]
+                }
+            declare -A profiles=(
+              ["framenix"]="spiollinux-desktop"
+              ["thinknix"]="spiollinux-desktop"
+              ["OS MacBook Pro"]="os-workmac"
+            )
+            user=$(id -un)
+            host=$(hostname)
+            if [[ -n ''${profiles["$host-$user"]} ]]; then
+              profile=''${profiles["$host-$user"]};
+            elif [[ -n ''${profiles[$host]:-} ]]; then
+              profile=''${profiles[$host]}
+            else
+                echo "No suitable profile found." >2
+                exit 2
+            fi
+            if [[ "''${1:-}" == profile ]]; then
+              echo $profile
+              exit 0
+            fi
+            ${
+              inputs.home-manager.packages.${pkgs.system}.home-manager
+            }/bin/home-manager --flake "${self}#$profile" "$@"
+          ''}/bin/hm";
+        };
+      }
+    );
 }

home/common.nix

@@ -0,0 +1,178 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  lib,
+  ...
+}:
+{
+  imports = [
+    ./modules/packages.nix
+    ./modules/vscodium.nix
+    ./modules/fonts.nix
+  ];
+  home.homeDirectory =
+    if pkgs.stdenv.isDarwin then "/Users/${config.home.username}" else "/home/${config.home.username}";
+  programs.home-manager.enable = true;
+
+  programs.bat.enable = true;
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+    enableZshIntegration = true;
+  };
+
+  programs.tmux = {
+    enable = true;
+    keyMode = "vi";
+    extraConfig =
+      # for direnv not messing up the environment
+      ''
+        set-option -g update-environment "DIRENV_DIFF DIRENV_DIR DIRENV_WATCHES"
+                  set-environment -gu DIRENV_DIFF
+                  set-environment -gu DIRENV_DIR
+                  set-environment -gu DIRENV_WATCHES
+                  set-environment -gu DIRENV_LAYOUT
+                
+                  bind-key -T copy-mode-vi 'v' send -X begin-selection
+                  bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel'';
+    terminal = "screen-256color";
+  };
+
+  programs.git = {
+    enable = true;
+    extraConfig = {
+      credential.helper = "cache";
+      push.default = "simple";
+      push.forceIfIncludes = true; # avoid accidental force overrides when remote is autofetched in background
+      init.defaultBranch = "mainline";
+      diff.tool = "vimdiff";
+      merge.tool = "vimdiff";
+      # provide `git mergetool -t nixfmt`
+      mergetool.nixfmt = {
+        cmd = "${
+          lib.getExe inputs.nixos-unstable.legacyPackages.${system}.nixfmt-rfc-style
+        } --mergetool \"$BASE\" \"$LOCAL\" \"$REMOTE\" \"$MERGED\"";
+        trustExitCode = true;
+      };
+      core.excludesfile = toString (
+        pkgs.writeText ".gitignore_global" ''
+          # Direnv stuff #
+          ################
+          .direnv
+          .envrc
+          # Editor files #
+          ################
+          *~
+          *.swp
+          *.swo
+          # macOS foo #
+          #############
+          .DS_Store
+        ''
+      );
+      core.whitespace = "-blank-at-eol,blank-at-eof,space-before-tab";
+    };
+    lfs.enable = true;
+    delta = {
+      enable = true;
+      options = {
+        line-numbers = true;
+        side-by-side = true;
+        #dark = true;
+      };
+    };
+  };
+  programs.lazygit = {
+    enable = true;
+    settings = {
+      git = {
+        autoFetch = false;
+        mainBranches = [
+          "main"
+          "master"
+          "mainline"
+        ];
+      };
+      update.method = "never";
+    };
+  };
+
+  # shell config
+  programs.zsh = {
+    enable = true;
+    syntaxHighlighting.enable = true;
+    history.ignoreSpace = true;
+    initExtra = ''
+      # Uncomment following line if you want red dots to be displayed while waiting for completion
+      COMPLETION_WAITING_DOTS="true"
+      ### Fix slowness of pastes with zsh-syntax-highlighting.zsh
+      pasteinit() {
+        OLD_SELF_INSERT=''${''${(s.:.)widgets[self-insert]}[2,3]}
+        zle -N self-insert url-quote-magic # I wonder if you'd need `.url-quote-magic`?
+      }
+
+      pastefinish() {
+        zle -N self-insert $OLD_SELF_INSERT
+      }
+      zstyle :bracketed-paste-magic paste-init pasteinit
+      zstyle :bracketed-paste-magic paste-finish pastefinish
+
+      # automatic rehash of path completion
+      zstyle ':completion:*' rehash true
+
+      eval "$(${pkgs.thefuck}/bin/thefuck --alias)"
+
+      ##  helper functions
+      nixify() {
+        if [ ! -e ./.envrc ]; then
+          echo "eval \"$(lorri direnv)\"" > .envrc
+          direnv allow
+        fi
+        if [ ! -e shell.nix ]; then
+          cat > shell.nix <<'EOF'
+      with import <nixpkgs> {};
+      mkShell {
+        buildInputs = [
+          bashInteractive
+        ];
+      }
+      EOF
+          ${"EDITOR:-vim"} default.nix
+        fi
+      }
+
+      binpath() {
+        realpath $(${pkgs.which}/bin/which $1)
+      }
+    '';
+
+    oh-my-zsh = {
+      enable = true;
+      theme = "bira";
+      plugins = [
+        "git"
+        "python"
+        "systemd"
+        "gpg-agent"
+      ];
+    };
+  };
+  home.shellAliases = {
+    ip = "ip --color";
+    ipb = "ip --color --brief";
+    ll = "ls -l";
+    wavesynth = "nix-shell -p sox --run 'play -n synth brownnoise synth pinknoise mix synth 0 0 0 15 40 80 trapezium amod 0.2 20'";
+    vim = "nvim";
+  };
+  home.sessionVariables = {
+    EDITOR = "nvim";
+  };
+
+  home.activation.reportChanges = config.lib.dag.entryAnywhere ''
+    if [[ -v oldGenPath ]]; then
+      run nix store diff-closures $oldGenPath $newGenPath
+    fi
+  '';
+}

home/desktop.nix

@@ -0,0 +1,86 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  lib,
+  ...
+}:
+{
+  imports = [ ./modules/latex.nix ];
+  home.stateVersion = "23.11";
+
+  schmittlauch = {
+    packages = {
+      graphics = true;
+      multimedia = true;
+      nixHelpers = true;
+      devTools = true;
+      pythonTools = true;
+      games = true;
+      desktopLinux = true;
+      kde = true;
+    };
+    latex.guiTools = true;
+  };
+
+  # for backwards compatibility
+  services.lorri.enable = true;
+
+  programs.git =
+    let
+      # TODO profile specific
+      contacts = import "${inputs.mysecrets}/contacts.nix" { inherit lib; };
+    in
+    {
+      includes =
+        [
+          {
+            condition = "gitdir:~/Seafile/Studium/";
+            contents = {
+              user.name = contacts.personal.name;
+              user.email = contacts.uni.email;
+            };
+          }
+          {
+            condition = "gitdir:~/src/nixpkgs/";
+            contents = {
+              user.name = "Trolli Schmittlauch";
+              user.email = contacts.nixOs.email;
+            };
+          }
+        ]
+        # set default name for several other common locations
+        ++
+          map
+            (dir: {
+              condition = "gitdir:${dir}";
+              contents = {
+                user = {
+                  inherit (contacts.schmittlauch) email name;
+                };
+              };
+            })
+            [
+              "~/src/"
+              "~/bin/"
+              "~/tmp/"
+              "~/nixconfigs/"
+            ];
+    };
+
+  services.gpg-agent = {
+    enable = true;
+    #enableSshSupport = true;
+    pinentryPackage = pkgs.pinentry-qt;
+  };
+
+  programs.ssh = {
+    enable = true;
+    # ssh host config
+    matchBlocks = (import "${inputs.mysecrets}/ssh_hosts.nix").privateHosts;
+  };
+
+  # media button control support from Bluetooth devices
+  services.mpris-proxy.enable = true;
+}

home/home.nix

@@ -1,453 +0,0 @@
-{ pkgs, inputs, config, system, ... }:
-
-with pkgs;
-let
-  unstable = inputs.nixos-unstable.legacyPackages.${system};
-
-  desktopApps = [
-    firefox
-    chromium
-    falkon
-    thunderbird
-    calibre
-    dino
-    #zotero   has open CVEs, wait for patch in Zotero7
-    keepassxc
-    ding
-    aspell
-    aspellDicts.de
-    aspellDicts.en
-    # for kate/KDE applications
-    hunspellDicts.de-de
-    hunspellDicts.en-us
-    hunspellDicts.en-gb-ise
-    seafile-client
-    alacritty
-    libreoffice-qt # fresh with KDE integration
-    backintime-common
-    anki
-    signal-desktop
-    (tor-browser-bundle-bin.override {
-      mediaSupport = true;
-      pulseaudioSupport = true;
-    })
-    pdfpc
-    quaternion
-    nheko
-    gpxsee
-    subsurface
-    yate
-    # split and merge PDFs in a GUI
-    pdfarranger
-    qbittorrent
-    #(pkgs.pidgin-with-plugins.override {
-    #    plugins = [ pkgs.pidginotr ];})
-
-    inputs.logseq-fix-nixpkgs.legacyPackages.${system}.logseq
-
-
-    # for Hibiscus banking software
-    jameica
-    #ToDo: which of these drivers is actually used?
-    geckodriver
-    chromedriver
-  ];
-
-  graphicsApps = [
-    inkscape
-    darktable
-    hugin
-    luminanceHDR
-    exiftool
-    gimp
-    xournal
-  ]
-  ++ (
-    with gimpPlugins; [
-      fourier
-      lqrPlugin
-    ]
-  );
-
-  multimediaApps = [
-    mpv
-    vlc
-    #amarok
-    clementine
-    elisa
-    yt-dlp
-    #sonic-pi
-    musescore
-    tenacity
-    #linphone
-    soundkonverter
-    config.nur.repos.fooker.studio-link
-  ];
-
-  cliApps = [
-    myVim
-    htop
-    tmux
-    httpie
-    ponysay
-    gti
-    tree
-    lsof
-    mosh
-    openssh
-    sshfs-fuse
-    cryfs
-    smbnetfs # for FUSE smb mounting
-    sshuttle
-    thefuck
-    gnupg
-    unar
-    lzop
-    p7zip
-    pwgen
-    pandoc
-    agrep
-    pdfgrep
-    torsocks
-    ncdu
-    psmisc # for killall
-    dos2unix
-    reptyr # re-bind running program to other tty
-    xclip
-    unzip
-    lnav
-    config.nur.repos.schmittlauch.lolcommits # from NUR
-  ];
-
-  nixHelpers = [
-    nixpkgs-review
-    nixpkgs-fmt
-    nix-top
-    statix
-    nix-output-monitor
-  ];
-
-  kdeTools = with plasma5Packages; with kdeGear; [
-    okular
-    gwenview
-    yakuake
-    kmail
-    kontact
-    korganizer
-    akonadi-mime #for KOrganizer
-    kaddressbook
-    kdeconnect
-    dolphin
-    spectacle
-    kate
-    kleopatra
-    qdirstat
-    ark
-    kwalletmanager
-    ktouch
-    kcharselect
-    konversation
-    okteta
-    krdc
-    skanlite
-    akonadiconsole
-    tokodon  # mastodon client
-  ]
-  ++ (
-    with kdeFrameworks; [
-      networkmanager-qt
-      kcrash
-      breeze-gtk
-    ]
-  );
-
-  devTools = [
-    curl
-    httpie
-    gdb
-    strace
-    ltrace
-    valgrind
-    zeal
-    gcc
-    shellcheck
-    mtr
-    ripgrep
-    gitui
-    lazygit
-    pre-commit
-
-    # Haskell
-    ghc
-    cabal2nix
-  ];
-
-
-  latexApps = [
-    texmaker
-    kile
-    biber
-    # customize texlive installation
-    (
-      texlive.combine {
-        inherit (texlive)
-          scheme-medium
-
-          xetex
-          luatex
-          unicode-math
-          fontspec
-          collection-binextra
-          collection-fontsrecommended
-          collection-latex
-          collection-latexextra
-          collection-latexrecommended
-          collection-langgerman
-          moderncv
-          fontawesome5
-          academicons
-          acronym
-          ccicons
-          fontawesome
-          biblatex
-          logreq
-          koma-script
-          ;
-      }
-    )
-  ];
-
-  pythonApps = with python3Packages; [
-    notebook
-    ipython
-    pip
-    numpy
-    matplotlib
-    jedi
-    flake8
-    mypy
-  ];
-
-
-  fonts = [
-    comic-neue
-    source-sans-pro
-    source-serif-pro
-    fira-code
-    ubuntu_font_family
-    twemoji-color-font
-    open-sans
-    (iosevka-bin.override {
-      variant = "curly-slab";
-    })
-    config.nur.repos.schmittlauch.vollkorn
-    # TODO: humor-sans
-  ];
-
-  games = [
-    superTuxKart
-    #hedgewars
-  ];
-
-in
-{
-
-  nixpkgs.overlays = (import ./overlays.nix);
-  nixpkgs.config = {
-    clementine.spotify = false;
-    vim =
-      { gui = "gtk3";
-      python = true;
-      multibyteSupport = true;
-    };
-  };
-
-  home.packages =
-    desktopApps
-    ++ latexApps
-    ++ pythonApps
-    ++ graphicsApps
-    ++ cliApps
-    ++ multimediaApps
-    ++ devTools
-    ++ kdeTools
-    ++ fonts
-    ++ nixHelpers
-    ++ games
-  ;
-
-  programs.home-manager.enable = true;
-  home.stateVersion = "22.11";
-
-  programs.direnv =
-    {
-      enable = true;
-      nix-direnv.enable = true;
-      enableZshIntegration = true;
-    };
-
-  #  programs.vim =
-  #    { enable = true;
-  #    };
-
-  programs.bat.enable = true;
-
-  services.gpg-agent =
-    {
-      enable = true;
-      #enableSshSupport = true;
-      pinentryFlavor = "qt";
-    };
-
-  programs.ssh =
-    {
-      enable = true;
-      # ssh host config
-      matchBlocks =
-        import "${inputs.mysecrets}/ssh_hosts.nix";
-    };
-
-  programs.tmux = {
-    enable = true;
-    keyMode = "vi";
-    extraConfig =
-      # for direnv not messing up the environment
-      ''set-option -g update-environment "DIRENV_DIFF DIRENV_DIR DIRENV_WATCHES"
-          set-environment -gu DIRENV_DIFF
-          set-environment -gu DIRENV_DIR
-          set-environment -gu DIRENV_WATCHES
-          set-environment -gu DIRENV_LAYOUT
-        
-          bind-key -T copy-mode-vi 'v' send -X begin-selection
-          bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel'';
-    terminal = "screen-256color";
-  };
-
-  systemd.user.startServices = true;
-
-  # for backwards compatibility
-  services.lorri.enable = true;
-
-  # media button control support from Bluetooth devices
-  services.mpris-proxy.enable = true;
-
-  fonts.fontconfig.enable = true;
-
-  programs.git =
-    let contacts = import "${inputs.mysecrets}/contacts.nix";
-    in
-    {
-      enable = true;
-      includes = [
-        {
-          condition = "gitdir:~/Seafile/Studium/";
-          contents = {
-            user.name = contacts.realName;
-            user.email = contacts.uniMail;
-          };
-        }
-        {
-          condition = "gitdir:~/src/nixpkgs/";
-          contents = {
-            user.name = "Trolli Schmittlauch";
-            user.email = contacts.nixosMail;
-          };
-        }
-      ]
-      # set default name for several other common locations
-      ++ map
-        (dir: {
-          condition = "gitdir:${dir}";
-          contents = {
-            user.name = "Trolli Schmittlauch";
-            user.email = contacts.mainMail;
-          };
-        }) [ "~/src/" "~/bin/" "~/tmp/" "~/nixconfigs/" ];
-      extraConfig = {
-        credential.helper = "cache";
-        push.default = "simple";
-        init.defaultBranch = "mainline";
-        diff.tool = "vimdiff";
-        merge.tool = "vimdiff";
-        core.excludesfile = toString (pkgs.writeText ".gitignore_global" ''
-          # Direnv stuff
-          .direnv
-          .envrc
-          # Editor files #
-          ################
-          *~
-          *.swp
-          *.swo
-        '');
-        core.whitespace = "-blank-at-eol,blank-at-eof,space-before-tab";
-      };
-      lfs.enable = true;
-    };
-
-    # shell config
-    programs.zsh = {
-      enable = true;
-      syntaxHighlighting.enable = true;
-      history.ignoreSpace = true;
-      initExtra = ''
-        # Uncomment following line if you want red dots to be displayed while waiting for completion
-        COMPLETION_WAITING_DOTS="true"
-        ### Fix slowness of pastes with zsh-syntax-highlighting.zsh
-        pasteinit() {
-          OLD_SELF_INSERT=''${''${(s.:.)widgets[self-insert]}[2,3]}
-          zle -N self-insert url-quote-magic # I wonder if you'd need `.url-quote-magic`?
-        }
-
-        pastefinish() {
-          zle -N self-insert $OLD_SELF_INSERT
-        }
-        zstyle :bracketed-paste-magic paste-init pasteinit
-        zstyle :bracketed-paste-magic paste-finish pastefinish
-
-        # automatic rehash of path completion
-        zstyle ':completion:*' rehash true
-
-        eval "$(${pkgs.thefuck}/bin/thefuck --alias)"
-
-        ##  helper functions
-        nixify() {
-          if [ ! -e ./.envrc ]; then
-            echo "eval \"$(lorri direnv)\"" > .envrc
-            direnv allow
-          fi
-          if [ ! -e shell.nix ]; then
-            cat > shell.nix <<'EOF'
-        with import <nixpkgs> {};
-        mkShell {
-          buildInputs = [
-            bashInteractive
-          ];
-        }
-        EOF
-            ${EDITOR:-vim} default.nix
-          fi
-        }
-
-        binpath() {
-          realpath $(${pkgs.which}/bin/which $1)
-        }
-        '';
-
-
-      oh-my-zsh = {
-        enable = true;
-        theme = "bira";
-        plugins = [ "git" "python" "systemd" "gpg-agent"];
-      };
-    };
-    home.shellAliases = {
-      ip = "ip --color";
-      ipb = "ip --color --brief";
-      ll = "ls -l";
-      wavesynth = "nix-shell -p sox --run 'play -n synth brownnoise synth pinknoise mix synth 0 0 0 15 40 80 trapezium amod 0.2 20'";
-      vim = "nvim";
-    };
-    home.sessionVariables = {
-      EDITOR = "nvim";
-    };
-}

home/modules/fonts.nix

@@ -0,0 +1,29 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  ...
+}:
+{
+  home.packages = with pkgs; [
+    comic-neue
+    source-sans-pro
+    source-code-pro
+    source-serif-pro
+    ubuntu_font_family
+    twemoji-color-font
+    open-sans
+    (iosevka-bin.override { variant = "CurlySlab"; })
+    inputs.nur.legacyPackages.${system}.repos.schmittlauch.vollkorn
+    # TODO: humor-sans
+
+    # fcio corporate design, TODO module
+    fira-code
+    fira-mono
+    # TODO fira-sans + condensed
+    # TODO museo 500
+  ];
+
+  fonts.fontconfig.enable = true;
+}

home/modules/latex.nix

@@ -0,0 +1,47 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  lib,
+  ...
+}:
+with pkgs;
+let
+  latexGuiTools = [
+    texmaker
+    kile
+    biber
+  ];
+in
+{
+  options.schmittlauch.latex.guiTools = lib.mkEnableOption "Install GUI LaTeX tools like editors";
+
+  config.home.packages = [
+    (texlive.combine {
+      inherit (texlive)
+        scheme-medium
+
+        xetex
+        luatex
+        unicode-math
+        fontspec
+        collection-binextra
+        collection-fontsrecommended
+        collection-latex
+        collection-latexextra
+        collection-latexrecommended
+        collection-langgerman
+        moderncv
+        fontawesome5
+        academicons
+        acronym
+        ccicons
+        fontawesome
+        biblatex
+        logreq
+        koma-script
+        ;
+    })
+  ] ++ lib.optionals config.schmittlauch.latex.guiTools latexGuiTools;
+}

home/modules/packages.nix

@@ -0,0 +1,273 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  ...
+}:
+
+with pkgs;
+let
+  cfg = config.schmittlauch.packages;
+  unstable = inputs.nixos-unstable.legacyPackages.${system};
+  nur = inputs.nur.legacyPackages.${system};
+
+  graphicsApps =
+    [
+      inkscape
+      darktable
+      exiftool
+      gimp
+    ]
+    ++ (with gimpPlugins; [
+      fourier
+      lqrPlugin
+    ])
+    ++ lib.optionals pkgs.stdenv.isLinux [
+      hugin
+      luminanceHDR
+      xournal
+    ];
+
+  multimediaApps =
+    [
+      mpv
+      yt-dlp
+    ]
+    ++ lib.optionals pkgs.stdenv.isLinux [
+      vlc
+      amarok
+      clementine
+      elisa
+      musescore
+      tenacity
+      soundkonverter
+      #nur.repos.fooker.studio-link
+    ];
+
+  cliApps =
+    [
+      coreutils
+      myVim
+      htop
+      tmux
+      httpie
+      ponysay
+      gti
+      tree
+      lsof
+      mosh
+      openssh
+      sshfs-fuse
+      sshuttle
+      cryfs
+      thefuck
+      gnupg
+      unar
+      lzop
+      p7zip
+      pwgen
+      pandoc
+      pdfgrep
+      # zig dependency breaks occasionally, stay on C version for now
+      ncdu_1
+      dos2unix
+      unzip
+      fswatch
+      jq
+      age
+      lnav
+      spacer
+
+      nix-output-monitor # putting this here as a plain `nix` alternative
+    ]
+    ++ lib.optionals pkgs.stdenv.isLinux [
+      xclip
+      smbnetfs # for FUSE smb mounting
+      psmisc # for killall
+      torsocks
+      agrep
+      reptyr # re-bind running program to other tty
+    ];
+
+  nixHelpers = [
+    nixpkgs-review
+    nixfmt-rfc-style
+    nix-top
+    statix
+  ];
+  devTools =
+    [
+      curl
+      httpie
+      gcc
+      shellcheck
+      mtr
+      ripgrep
+      fd
+      gitui
+      pre-commit
+      scriv
+
+      # Haskell
+      ghc
+      cabal2nix
+    ]
+    ++ lib.optionals pkgs.stdenv.isLinux [
+      gdb
+      strace
+      ltrace
+      valgrind
+      zeal
+    ];
+
+  pythonTools = with python3Packages; [
+    python3 # to shadow old macOS python
+    ipython
+    uv
+    pip
+    numpy
+    matplotlib
+    jedi
+    jedi-language-server
+    black
+    flake8
+    mypy
+  ];
+
+  games = [
+    superTuxKart
+    #hedgewars
+  ];
+
+  desktopCommon = [
+    keepassxc
+    tigervnc
+  ];
+
+  desktopLinux = [
+    firefox
+    chromium
+    falkon
+    thunderbird
+    calibre
+    dino
+    zotero
+    ding
+    aspell
+    aspellDicts.de
+    aspellDicts.en
+    # for kate/KDE applications
+    hunspellDicts.de-de
+    hunspellDicts.en-us
+    hunspellDicts.en-gb-ise
+    seafile-client
+    alacritty
+    libreoffice-qt6 # still with KDE integration
+    backintime-common
+    anki
+    signal-desktop
+    (tor-browser-bundle-bin.override {
+      mediaSupport = true;
+      pulseaudioSupport = pkgs.stdenv.isLinux;
+    })
+    pdfpc
+    quaternion
+    nheko
+    gpxsee
+    subsurface
+    yate
+    # split and merge PDFs in a GUI
+    pdfarranger
+    qbittorrent
+    #(pkgs.pidgin-with-plugins.override {
+    #    plugins = [ pkgs.pidginotr ];})
+
+    unstable.logseq
+
+    # for Hibiscus banking software
+    jameica
+    #ToDo: which of these drivers is actually used?
+    geckodriver
+    chromedriver
+  ];
+
+  kdeTools =
+    [
+      okteta
+      plasma5Packages.kdeconnect-kde
+    ]
+    ++ (with kdePackages; [
+      okular
+      gwenview
+      yakuake
+      dolphin
+      spectacle
+      kate
+      kleopatra
+      qdirstat
+      ark
+      kwalletmanager
+      #ktouch  # TODO: unbreak
+      kcharselect
+      konversation
+      krdc
+      skanlite
+      akonadiconsole
+      tokodon # mastodon client
+      networkmanager-qt
+      kcrash
+      breeze-gtk
+    ]);
+in
+{
+  options.schmittlauch.packages = {
+    graphics = lib.mkEnableOption "Enable a common set of graphics apps";
+    multimedia = lib.mkEnableOption "Enable a common set of multimedia apps";
+    cli = lib.mkOption {
+      description = "Enable a common set of CLI tools";
+      type = lib.types.bool;
+      default = true;
+    };
+    nixHelpers = lib.mkEnableOption "Enable a common set of Nix helper tools";
+    devTools = lib.mkEnableOption "Enable a common set of dev tools";
+    pythonTools = lib.mkEnableOption "Enable a common set of python tools";
+    games = lib.mkEnableOption "Enable some games";
+    desktopCommon = lib.mkOption {
+      description = "GUI desktop applications that work cross-platform and cross-desktop";
+      type = lib.types.bool;
+      default = true;
+    };
+    desktopLinux = lib.mkEnableOption "Enable a common set of desktop applications";
+    kde = lib.mkEnableOption "Enable a common set of KDE applications";
+  };
+  config = {
+    home.packages = lib.flatten (
+      (lib.optional cfg.graphics graphicsApps)
+      ++ (lib.optional cfg.multimedia multimediaApps)
+      ++ (lib.optional cfg.cli cliApps)
+      ++ (lib.optional cfg.nixHelpers nixHelpers)
+      ++ (lib.optional cfg.devTools devTools)
+      ++ (lib.optional cfg.pythonTools pythonTools)
+      ++ (lib.optional cfg.games games)
+      ++ (lib.optional cfg.desktopCommon desktopCommon)
+      ++ (lib.optional cfg.desktopLinux desktopLinux)
+      ++ (lib.optional cfg.kde kdeTools)
+    );
+
+    nixpkgs.overlays = import ../overlays.nix;
+    nixpkgs.config = {
+
+      permittedInsecurePackages = [
+        # (temporarily) permit the usage of libolm
+        "olm-3.2.16"
+      ];
+      clementine.spotify = false;
+      vim = {
+        gui = "gtk3";
+        python = true;
+        multibyteSupport = true;
+      };
+    };
+  };
+}

home/modules/vscodium.nix

@@ -0,0 +1,122 @@
+{
+  pkgs,
+  lib,
+  inputs,
+  config,
+  system,
+  ...
+}:
+{
+  programs.vscode = {
+    enable = true;
+    package = pkgs.vscodium;
+    mutableExtensionsDir = true;
+    extensions =
+      with pkgs.vscode-extensions;
+      [
+        ms-python.python
+        vscodevim.vim
+        yzhang.markdown-all-in-one
+        bungcip.better-toml
+        eamodio.gitlens
+        jnoortheen.nix-ide
+        mkhl.direnv
+        editorconfig.editorconfig
+      ]
+      ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
+        {
+          name = "Sync-Rsync";
+          publisher = "vscode-ext";
+          version = "0.36.0";
+          sha256 = "sha256-0b/OHLZfXo0NAVAVkzZSqMGDzF0uvPRoiqsZtW1iOdA";
+        }
+        # TODO: probably available in nixpkgs soonish?
+        {
+          name = "mypy-type-checker";
+          publisher = "ms-python";
+          version = "2023.3.12681020";
+          sha256 = "sha256-rhed7CQlvxksVCGc9nPU2oYQWtXcAV5TzuG63e8Y3zM=";
+        }
+        {
+          name = "black-formatter";
+          publisher = "ms-python";
+          version = "2023.5.12771008";
+          sha256 = "sha256-lJG0RRUUMhQGs2a6oBtoqt+uY1kSJ0+cbmaP07hNh2o=";
+        }
+        {
+          name = "vscode-pets";
+          publisher = "tonybaloney";
+          version = "1.25.1";
+          sha256 = "sha256-as3e2LzKBSsiGs/UGIZ06XqbLh37irDUaCzslqITEJQ=";
+        }
+      ];
+    userSettings =
+      let
+        defaultPython = pkgs.python3.withPackages (ps: [
+          ps.jedi
+          ps.jedi-language-server
+          ps.pip
+          ps.setuptools # for pkg_resources
+          ps.black
+          ps.mypy
+        ]);
+      in
+      {
+        "editor.fontLigatures" = true;
+        "editor.accessibilitySupport" = false; # prevent asking
+        "editor.cursorBlinking" = "phase";
+        "editor.stickyScroll.enabled" = true;
+        "workbench.editor.highlightModifiedTabs" = true;
+        "window.autoDetectColorScheme" = true;
+        "workbench.preferredDarkColorTheme" = "Default Dark Modern";
+        "workbench.preferredLightColorTheme" = "Default Light Modern";
+        "[nix]" = {
+          "editor.insertSpaces" = true;
+          "editor.tabSize" = 2;
+          # for now, disable automatic formatting to prevent disruption of existing code bases
+          "editor.formatOnPaste" = false;
+          "editor.formatOnSave" = false;
+          "editor.formatOnType" = false;
+        };
+        "nix.formatterPath" = lib.getExe pkgs.nixfmt-rfc-style;
+        "nix.enableLanguageServer" = true;
+        "nix.serverPath" = lib.getExe pkgs.nixd;
+        "nix.serverSettings" = { };
+        "editor.fontSize" = 13;
+        "editor.fontWeight" = "normal";
+        "git.detectSubmodulesLimit" = 30;
+        "[python]" = {
+          "breadcrumbs.showClasses" = true;
+          "breadcrumbs.showFunctions" = true;
+          "gitlens.codeLens.symbolScopes" = [ "!Module" ];
+          "editor.defaultFormatter" = "ms-python.black-formatter";
+          "editor.formatOnSave" = true;
+        };
+        "python.languageServer" = "Jedi"; # don't use proprietary pylance server
+        "python.defaultInterpreterPath" = "${defaultPython}/bin/python";
+        "black-formatter.path" = [ "${pkgs.python3Packages.black}/bin/black" ];
+        "black-formatter.importStrategy" = "fromEnvironment";
+        "mypy-type-checker.path" = [ "${pkgs.python3Packages.mypy}/bin/mypy" ];
+        "mypy-type-checker.importStrategy" = "fromEnvironment";
+        "mypy-type-checker.args" = [ "--ignore-missing-imports" ];
+        "gitlens.telemetry.enabled" = false;
+        "vim.highlightedyank.enable" = true;
+        "vim.history" = 500;
+        "vim.neovimUseConfigFile" = true;
+        "vim.enableNeovim" = true;
+        "git.suggestSmartCommit" = false;
+        "editor.rulers" = [ 79 ];
+        "vim.useSystemClipboard" = true;
+        "vim.smartRelativeLine" = true;
+        "diffEditor.ignoreTrimWhitespace" = false;
+        "files.associations" = {
+          "*.py" = "python";
+        };
+        "editor.renderWhitespace" = "all";
+        "editor.fontFamily" = "Iosevka Curly Slab, Menlo, Monaco, 'Courier New', monospace";
+        "vim.neovimPath" = lib.getExe pkgs.myVim;
+        "sync-rsync.options" = [ ];
+        "direnv.path.executable" = lib.getExe pkgs.direnv;
+      };
+  };
+}

home/overlays.nix

@@ -1,9 +1,9 @@
-
 [
-  (
-    self: super:
-      rec {
-        myVim = with super; neovim.override { configure = {
+  (self: super: rec {
+    myVim =
+      with super;
+      neovim.override {
+        configure = {
           packages.myVimPackage = with pkgs.vimPlugins; {
             # loaded on start
             start = [
@@ -25,8 +25,7 @@
             ];
           };
           customRC = builtins.readFile ./vimrc;
-        };};
-      }
-  )
-
+        };
+      };
+  })
 ]

home/scripts/reporsync.nix

@@ -0,0 +1,85 @@
+{ pkgs, lib, ... }:
+''
+  # rsync -rlptzv --progress --delete --exclude=.git --exclude=.vscode --exclude=result --exclude=channels/ /Users/os/src/fc.qemu os@hydra01:
+  # rsync -rlptzv --progress --rsh="ssh -J fcio-whq-jump" --delete --exclude=.git --exclude=.vscode --exclude=result --exclude=channels/ /Users/os/src/fc-nixos/ os@patty:fc-nixos/
+
+
+  DEFAULT_JUMPHOST="fcio-whq-jump"
+
+  _parse_rsync_args() {
+  	# reset pre-defined variables that are read and manipulated throughout this function
+  	unset JUMPHOST
+  	# arrays are bash or zsh specific
+  	RSYNC_OPTS=("-rlptzv" "--progress" "--delete" "--exclude=.git" "--exclude=.vscode" "--exclude=result" "--exclude=channels/" "--exclude=.mypy_cache")
+
+  	while getopts ':Jj:' OPT; do
+  		case $OPT in 
+  			j)
+  				if [ -n "$JUMPHOST" ]; then
+  					echo "-j and -J are conflicting arguments" >&2
+  					return 1
+  				fi
+  				JUMPHOST="$OPTARG"
+  				;;
+  			J)
+  				if [ -n "$JUMPHOST" ]; then
+  					echo "-j and -J are conflicting arguments" >&2
+  					return 1
+  				fi
+  				JUMPHOST="$DEFAULT_JUMPHOST"
+  				;;
+  			?)
+  				echo "rsyncrepo [-J] [-j <jumphost>] <directory> <hostname> [target dir name]"
+  				return 1
+  				;;
+  		esac
+  	done
+
+  	# trim CLI parameters
+  	shift "$(($OPTIND -1))"
+
+  	RR_FROM="$1"
+  	RR_TO="$2"
+    RR_TARGET="$3"
+  }
+
+  _do_rsync() {
+  	# parameter check
+  	if [ -z "$1" ] || [ -z "$2" ]; then
+  		echo "Missing arguments, required: <directory> <hostname>" >&2
+  		return 1
+  	fi
+
+  	if [ -n "$JUMPHOST" ]; then
+  		RSYNC_OPTS+=("--rsh=${lib.getExe pkgs.openssh} -J ''${JUMPHOST}")
+  	fi
+
+  	for OPTI in "''${RSYNC_OPTS[@]}"; do
+  		echo "$OPTI"
+  	done
+
+  	# If no $3 is specified, we sync /path/to/dir/ to hostname:dir
+    if [ -z "$3" ]; then
+      RR_DEST="''${2}:$(basename $(realpath "''${1}"))"
+    else
+      RR_DEST="''${2}:''${3}"
+    fi
+
+  	echo "Syncing ''${1} to ''${RR_DEST}…"
+
+  	# ensure trailing slash for src to avoid recreating directory
+  	${lib.getExe pkgs.rsync} "''${RSYNC_OPTS[@]}"  "''${1}/" "''${RR_DEST}"
+  }
+
+  rsyncrepo() {
+  	_parse_rsync_args "$@"
+  	# inherits parsed arguments through variables
+  	_do_rsync "$RR_FROM" "$RR_TO" "$RR_TARGET"
+  }
+
+  rsynchydra() {
+  	_parse_rsync_args "$@"
+    # the name of RR_TO is a bit misleading, it just describes the 2nd positional arg here
+  	_do_rsync "$RR_FROM" "hydra01" "$RR_TO"
+  }
+''

home/scripts/ssh-loop-fc.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }:
+''
+  ssh-loop () {
+      setopt shwordsplit
+      local hosts=$1
+      local cmd=$2
+
+      for x in $1; do echo $x; ${pkgs.openssh}/bin/ssh  $x.fcio.net -o StrictHostKeyChecking=no -C "$2"; done
+  }
+
+  ssh-loop-parallel () {
+      setopt shwordsplit
+      local hosts=$1
+      local cmd=$2
+
+      for x in $1; do echo $x; ${pkgs.openssh}/bin/ssh  $x.fcio.net -o StrictHostKeyChecking=no -C "$2" 2>&1 | sed -e "s/^/$x: /;" & done
+      wait
+  }
+''

home/secrets

@@ -1 +1 @@
-Subproject commit 068a4759e72948284c3de85d20a780723278f8b8
+Subproject commit c725f810bb9a43c213fcf964f036dd0c64b6ba04

home/vimrc

@@ -24,7 +24,11 @@ filetype plugin indent on
  
 syntax on
 
+" use relative numbering…
+set relativenumber
+" except for current line
 set number
+
 set mouse=a
 set mousehide
 
@@ -42,7 +46,7 @@ set history=1000
 " representing system clipboard (not X11 clipboard)
 set clipboard=unnamedplus
 
-" set expandtab
+set expandtab
 set shiftwidth=4
 set tabstop=4
 set softtabstop=4
@@ -52,7 +56,7 @@ let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
 let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
 set termguicolors
 
-"let base16colorspace=256
+let base16colorspace=256
 
 colorscheme base16-tomorrow-night
 "colorscheme Tomorrow-Night
@@ -102,6 +106,7 @@ let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
 let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
 let g:haskell_backpack = 1                " to enable highlighting of backpack keywords
 au FileType markdown setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
+au FileType pandoc setlocal tabstop=4 expandtab shiftwidth=4 softtabstop=4
 au FileType nix setlocal tabstop=2 expandtab shiftwidth=2 softtabstop=2
 set ofu=syntaxcomplete#Complete
 " nmap <C-V> "+gP

home/workmac.nix

@@ -0,0 +1,119 @@
+{
+  pkgs,
+  inputs,
+  config,
+  system,
+  lib,
+  ...
+}:
+
+with pkgs;
+let
+  unstable = inputs.nixos-unstable.legacyPackages.${system};
+in
+{
+
+  schmittlauch.packages = {
+    graphics = true;
+    multimedia = true;
+    nixHelpers = true;
+    devTools = true;
+    pythonTools = true;
+  };
+
+  home.packages = [
+    wireshark # on NixOS systems enabled via system config
+    _1password-cli
+    # also TODO: color schemes nix-darwin
+  ];
+
+  # pinning theme is necessary until iTerm 3.5, because despite the dark terminal background, bat detects light mode and adapts theme
+  programs.bat.config.theme = "Visual Studio Dark+";
+
+  programs.ssh = {
+    enable = true;
+    # defaults in bottom match block "*"
+    # TODO: common config for desktop as well
+    # multiplexer, e.g. to avoid rate limiting on jumphost usage
+    serverAliveInterval = 60;
+    controlMaster = "auto";
+    controlPersist = "4h";
+    # ssh host config
+    matchBlocks = {
+
+      # early catchall to enforce agent socket usage. **NOT** the place for fallback defaults.
+      "*" = {
+        extraOptions = {
+          IdentityAgent = "\"~/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock\"";
+          #ControlPath = "/tmp/ssh_mux_%h_%p_%r";
+        };
+      };
+
+      "hydra01" = lib.hm.dag.entryAfter [ "*" ] {
+        hostname = "hydra01.access.whq.gocept.net";
+        user = "os";
+      };
+      "fcio-whq-jump" = lib.hm.dag.entryAfter [ "*" ] {
+        hostname = "vpn-whq.services.fcio.net";
+        extraOptions.LogLevel = "Verbose";
+      };
+      "fcio-rzob-jump" = lib.hm.dag.entryAfter [ "*" ] { hostname = "vpn-rzob.services.fcio.net"; };
+    };
+  };
+
+  programs.git =
+    let
+      contacts = import "${inputs.mysecrets}/contacts.nix" { inherit lib; };
+    in
+    {
+      includes =
+        [
+          {
+            condition = "gitdir:~/src/schmittlauch/";
+            contents = {
+              user = {
+                inherit (contacts.schmittlauch) name email;
+              };
+            };
+          }
+        ]
+        # set default name for several other common locations
+        ++ map (dir: {
+          condition = "gitdir:${dir}";
+          contents = {
+            user = {
+              inherit (contacts.work) name email;
+            };
+          };
+        }) [ "~/" ];
+    };
+
+  # some extra shell scripts
+  programs.zsh.initExtra = lib.mkAfter (
+    import ./scripts/reporsync.nix { inherit pkgs lib; }
+    + import ./scripts/ssh-loop-fc.nix { inherit pkgs lib; }
+  );
+
+  launchd.agents.hydra_proxy = {
+    enable = true;
+    config = {
+      ProgramArguments = [
+        "${lib.getExe pkgs.autossh}"
+        "-M"
+        "0"
+        "-D"
+        "1080"
+        "-oServerAliveInterval=60"
+        "-oControlMaster=no"
+        "-N"
+        "vpn-whq.services.fcio.net"
+      ];
+      # TODO: consider socket activation instead
+      KeepAlive = true;
+      ThrottleInterval = 60;
+    };
+  };
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "1password-cli" ];
+
+  home.stateVersion = "22.05";
+}

hosts/framenix/default.nix

@@ -1,10 +1,17 @@
-{ config, lib, pkgs, system, ...}:
+{
+  config,
+  lib,
+  pkgs,
+  system,
+  ...
+}:
 let
   unstable = config.inputInjection.flake-inputs.nixos-unstable.legacyPackages.${system};
 in
 {
   imports = [
     ../../common
+    ../../common/pipewire.nix
 
     ./hardware-configuration.nix
     ./storage.nix
@@ -13,44 +20,31 @@ in
 
   networking.hostName = "framenix"; # Define your hostname.
 
-  # use newer linux-firmware from unstable
-  hardware.firmware = lib.mkBefore [ unstable.linux-firmware ];
-
   # override tmpdir for daemon
   systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";
 
   # try newer kernels
-  boot.kernelPackages = pkgs.linuxPackagesFor (pkgs.linux_latest.override {
-    argsOverride = rec {
-      src = pkgs.fetchurl {
-        url = "https://git.kernel.org/torvalds/t/linux-${version}.tar.gz";
-        hash = "sha256-sLypPyMhFhamhQOWDIkzZ5cVrWfoZDb3prJaESD6UU0=";
-      };
-      version = "6.8-rc4";
-      modDirVersion = "6.8.0-rc4";
-    };
-  });
-  # revert some commits that introduced the clourful graphics artefacts flickering,
-  # at least that's the current working hypothesis in https://gitlab.freedesktop.org/drm/amd/-/issues/3097
-  boot.kernelPatches = [
-    {name = "drm/buddy: Fix alloc_range() error handling code";
-    patch = pkgs.fetchpatch {
-      url = "https://cgit.freedesktop.org/drm/drm-misc/patch/?id=8746c6c9dfa31d269c65dd52ab42fde0720b7d91";
-      hash = "sha256-Ir7TDLspbYilTJr6aVVb8urIYI2N2vZwI5ayp7laaGw=";
-    };
-    }
-    ];
-  # fix freezes after s2idle suspend-resume
-  boot.blacklistedKernelModules = [ "amd-pmf" ];
+  boot.kernelPackages = pkgs.linuxPackages_latest;
 
   boot.kernelParams = [
-    # temporary workaround for white flickering graphics artefacts
-    "amdgpu.sg_display=0"
     # powersave
     "amd_pstate=active"
     "amdgpu.abmlevel=1" # adaptive backlight management
   ];
 
+  boot.initrd.systemd.enable = true;
+
+  # at boot by default, limit charging capacity to protect battery.
+  # Hopefully there's gonna be a standard interface to control this from the desktop at some point.
+  systemd.services.battery-charge-limit = {
+    wantedBy = [ "basic.target" ];
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${lib.getExe pkgs.framework-tool} --driver portio --charge-limit 85";
+      RemainAfterExit = true;
+    };
+  };
+
   boot.loader = {
     systemd-boot.enable = true;
     efi.canTouchEfiVariables = true;
@@ -86,4 +80,3 @@ in
     pkgs.framework-tool
   ];
 }
-

hosts/framenix/hardware-configuration.nix

@@ -1,18 +1,27 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
 {
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "thunderbolt" "usb_storage" "sd_mod" ];
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "thunderbolt"
+    "usb_storage"
+    "sd_mod"
+  ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
-
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
   # still possible to use this option, but it's recommended to use it in conjunction

hosts/framenix/storage.nix

@@ -1,17 +1,24 @@
-{ config, lib, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 let
-  fsOptions = [ "noatime" "ssd" "compress=zstd" ];
+  fsOptions = [
+    "noatime"
+    "ssd"
+    "compress=zstd"
+  ];
 in
 {
   boot.initrd.luks = {
     devices =
       # allow discards on all devices
-      builtins.mapAttrs (name: val: val // {allowDiscards = true;})
-      {
+      builtins.mapAttrs (name: val: val // { allowDiscards = true; }) {
         "system".device = "/dev/disk/by-uuid/1838cdc5-9b0b-4c46-9f23-9465549eeb92";
         "cryptswap".device = "/dev/disk/by-uuid/ded7d649-ab3a-42ee-ae4a-f8c4ba029e9c";
       };
-      reusePassphrases = true;
   };
 
   fileSystems = {
@@ -37,7 +44,10 @@ in
   services.fstrim.enable = true;
   services.btrfs.autoScrub = {
     enable = true;
-    fileSystems = [ "/" "/home" ];
+    fileSystems = [
+      "/"
+      "/home"
+    ];
   };
 
   boot.tmp.useTmpfs = true;

hosts/framenix/swap.nix

@@ -1,7 +1,5 @@
 {
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/24c47f3d-0d3e-4575-92a2-174b5a6b6086"; }
-    ];
+  swapDevices = [ { device = "/dev/disk/by-uuid/24c47f3d-0d3e-4575-92a2-174b5a6b6086"; } ];
 
   zramSwap = {
     enable = true;

hosts/thinknix/default.nix

@@ -1,7 +1,13 @@
-{ config, lib, pkgs, ...}:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 {
   imports = [
     ../../common
+    ../../common/pulseaudio.nix
 
     ./hardware-configuration.nix
     ./storage.nix
@@ -10,15 +16,17 @@
     ./secureboot.nix
   ];
 
-
   hardware.trackpoint = {
     enable = true;
     sensitivity = 180;
     speed = 180;
   };
 
-  networking.hostName = "thinknix";
+  boot.extraModprobeConfig = "options thinkpad_acpi fan_control=1"; # enable fan control via echo to /proc/acpi/ibm/fan
 
+  schmittlauch.guestUser.enable = true;
+
+  networking.hostName = "thinknix";
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database

hosts/thinknix/hardware-configuration.nix

@@ -1,20 +1,28 @@
-{ config, lib, pkgs, modulesPath, ... }:
-
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
 
 {
-  imports =
-    [
-      (modulesPath + "/installer/scan/not-detected.nix")
-    ];
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "ehci_pci"
+    "ahci"
+    "usb_storage"
+    "sd_mod"
+    "rtsx_pci_sdmmc"
+  ];
   boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [];
+  boot.extraModulePackages = [ ];
 
   nix.settings.max-jobs = lib.mkDefault 4;
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 
   # modesetting is always better than intel (legacy)
   services.xserver.videoDrivers = [ "modesetting" ];
-
 }

hosts/thinknix/secureboot.nix

@@ -1,11 +1,14 @@
-{ config, lib, pkgs, ...}:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 {
   boot.loader.efi.canTouchEfiVariables = true;
 
   # UEFI secure boot
-  environment.systemPackages = [
-    pkgs.sbctl
-  ];
+  environment.systemPackages = [ pkgs.sbctl ];
   # Lanzaboote currently replaces the systemd-boot module.
   # This setting is usually set to true in configuration.nix
   # generated at installation time. So we force it to false
@@ -16,5 +19,4 @@
     enable = true;
     pkiBundle = "/etc/secureboot";
   };
-
 }

hosts/thinknix/storage.nix

@@ -1,14 +1,23 @@
-{ config, lib, pkgs, ...}:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 let
-  fsOptions = [ "noatime" "ssd" "space_cache" "compress=zstd" ];
+  fsOptions = [
+    "noatime"
+    "ssd"
+    "space_cache"
+    "compress=zstd"
+  ];
 in
 {
   # encrypted partitions
   boot.initrd.luks = {
     devices =
       # allow discards on all devices
-      builtins.mapAttrs (name: val: val // {allowDiscards = true;})
-      {
+      builtins.mapAttrs (name: val: val // { allowDiscards = true; }) {
         "system".device = "/dev/disk/by-uuid/85154131-b2a8-4ef5-9d74-47429cb267ef";
         "cryptswap".device = "/dev/disk/by-uuid/ac586df6-6332-4809-beb1-f51906a2adaa";
         "ssd2".device = "/dev/disk/by-uuid/cadd4e1f-3642-4faa-8d4e-37dd85465df1";
@@ -57,16 +66,20 @@ in
   services.fstrim.enable = true;
   services.btrfs.autoScrub = {
     enable = true;
-    fileSystems = [ "/" "/home" ];
+    fileSystems = [
+      "/"
+      "/home"
+    ];
   };
 
-
   boot.tmp.useTmpfs = true;
   fileSystems."/tmp".fsType = "tmpfs";
 
-  services.smartd =
-    {
+  services.smartd = {
     enable = true;
-      devices = [{ device = "/dev/sda"; } { device = "/dev/sdb"; }];
+    devices = [
+      { device = "/dev/sda"; }
+      { device = "/dev/sdb"; }
+    ];
   };
 }

hosts/thinknix/swap.nix

@@ -1,7 +1,5 @@
 {
-  swapDevices = [
-    { device = "/dev/disk/by-uuid/bf928178-4e92-4e7e-8df2-18fbd658eecf"; }
-  ];
+  swapDevices = [ { device = "/dev/disk/by-uuid/bf928178-4e92-4e7e-8df2-18fbd658eecf"; } ];
 
   zramSwap = {
     enable = true;

nixos/Hash2PubTestbed.nix

@@ -1,10 +1,15 @@
-{ config, pkgs, experimentUid ? 1000, ... }:
+{
+  config,
+  pkgs,
+  experimentUid ? 1000,
+  ...
+}:
 
 let
   projectDir = "/home/spiollinux/Seafile/Studium/Semester11/INF-PM-FP-ANW";
   projectPath = builtins.toPath projectDir;
   projectMount = "/mnt/project";
-  shell = (import (projectDir + "/Hash2Pub/default.nix") {}).shell;
+  shell = (import (projectDir + "/Hash2Pub/default.nix") { }).shell;
   simulationSetupScript = pkgs.writeShellScriptBin "simulationSetup" ''
     # make cabal-install work offline
     mkdir $HOME/.cabal
@@ -13,24 +18,29 @@ let
     # run simulation script within the shell
     ${pkgs.nix}/bin/nix-shell ${shell.drvPath} --command "cd ${projectMount} && bash ./build/simulationrunner.sh 2>&1"
   '';
-  instanceData = builtins.fromJSON (builtins.readFile "${projectDir}/simulationData/inputs/generated/instances_sample.json");
-
+  instanceData = builtins.fromJSON (
+    builtins.readFile "${projectDir}/simulationData/inputs/generated/instances_sample.json"
+  );
 in
 
 {
   privateNetwork = true;
   ephemeral = true;
   bindMounts = {
-    "${projectMount}" = { hostPath = projectDir; isReadOnly = false; };
+    "${projectMount}" = {
+      hostPath = projectDir;
+      isReadOnly = false;
+    };
   };
 
   config = {
     networking = {
       firewall.enable = false;
-      interfaces.lo.ipv6.addresses =
-        builtins.map (inst: {address = inst.ip; prefixLength = 0;}) instanceData;
-        extraHosts = 
-          pkgs.lib.concatMapStringsSep "\n" (inst: "${inst.ip} ${inst.hostname}") instanceData;
+      interfaces.lo.ipv6.addresses = builtins.map (inst: {
+        address = inst.ip;
+        prefixLength = 0;
+      }) instanceData;
+      extraHosts = pkgs.lib.concatMapStringsSep "\n" (inst: "${inst.ip} ${inst.hostname}") instanceData;
     };
     # avoid permission problems with project builds
     users.users.experimentor = {
@@ -39,12 +49,14 @@ in
     };
 
     # adjust open file limits
-    security.pam.loginLimits = [{
-        domain = "*"
-      ; type = "-"
-      ; item = "nofile"
-      ; value = "50000"
-      ;}];
+    security.pam.loginLimits = [
+      {
+        domain = "*";
+        type = "-";
+        item = "nofile";
+        value = "50000";
+      }
+    ];
 
     environment.systemPackages = [
       pkgs.netcat

packages/default.nix

@@ -1,12 +1,8 @@
 final: prev: {
-  power-profiles-daemon = prev.power-profiles-daemon.overrideAttrs (old: {
-    patches = [
-      # patch for AMD pstate CPUs
-      (final.fetchpatch {
-        url = "https://gitlab.freedesktop.org/upower/power-profiles-daemon/-/merge_requests/127.patch";
-        sha256 = "sha256-CneqixlpZx9iZ0PM5MFIutsvnqKrLlM7FHOHUA/MK6g=";
-      })
-    ];
-  });
-
+  python3 = prev.python3.override {
+    packageOverrides = python-final: python-prev: {
+      # spsdk tests fail with timeout on old laptop thinknix
+      spsdk = python-prev.spsdk.overridePythonAttrs { doCheck = false; };
+    };
+  };
 }