Update flake.lock 2025-04-28

Readme.org

@@ -4,7 +4,7 @@
 - Install nix using the https://github.com/DeterminateSystems/nix-installer
 - Then run
  #+begin_src shell
-nix run nixpkgs#home-manager switch --flake git+https://gitlab.julian-mutter.de/julian/dotfiles.git#julian@quickstart
+nix run nixpkgs#home-manager -- switch --flake git+https://gitlab.julian-mutter.de/julian/dotfiles.git#julian@quickstart
  #+end_src 
 - Done
 

flake.nix

@@ -19,6 +19,10 @@
       url = "github:nix-community/home-manager/release-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-index-database = {
+      url = "github:nix-community/nix-index-database";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     sops-nix = {
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -94,7 +98,9 @@
     nixosConfigurations = {
       # Main laptop
       aspi = lib.nixosSystem {
-        modules = [./hosts/aspi];
+        modules = [
+          ./hosts/aspi
+        ];
         specialArgs = {
           inherit inputs outputs;
         };
@@ -166,7 +172,7 @@
       };
       "julian@quickstart" = lib.homeManagerConfiguration {
         modules = [
-          ./homes/julian/quickstart
+          ./homes/julian/quickstart.nix
           ./homes/julian/hm-standalone-config.nix
         ];
         pkgs = pkgsFor.x86_64-linux;

homes/julian/features/hyprland/default.nix

@@ -281,6 +281,7 @@ in {
         "workspace 1, class:firefox"
         "workspace 8, class:Zotero"
         "workspace 9, class:nheko"
+        "workspace 9, class:Element"
         "workspace 9, class:discord"
         "workspace 9, class:org.telegram.desktop"
         "workspace 10, class:thunderbird"

homes/julian/features/suites/cli/default.nix

@@ -19,7 +19,6 @@
     links2 # Tui web-browser
     lnav # log analyzing tool
     mc # Tui file browser
-    # nix-index
     nmap
     p7zip # unzip 7zip archives
     parted

homes/julian/features/suites/desktop/default.nix

@@ -30,6 +30,7 @@
     telegram-desktop # telegram
     # schildichat-desktop # not updated regularly
     nheko
+    element-desktop
     evince # Simple pdf reader, good for focusing on document content
     firefox
     # geogebra

homes/julian/features/suites/development/default.nix

@@ -68,7 +68,7 @@
 
     ## My scripts
     frajul.deploy-to-pianopi
-    frajul.rtklib
+    # frajul.rtklib
 
     (pkgs.writeShellScriptBin "matlab-rsp" ''
       matlab -desktop -sd "/home/julian/git/uwa-channel-model" -softwareopengl

homes/julian/global/default.nix

@@ -2,6 +2,7 @@
   lib,
   pkgs,
   config,
+  inputs,
   outputs,
   ...
 }: {
@@ -9,6 +10,7 @@
     [
       ../features/fonts
       ../features/nix-helper
+      inputs.nix-index-database.homeModules.default # nix-locate
     ]
     ++ (builtins.attrValues outputs.homeManagerModules);
 
@@ -33,9 +35,19 @@
 
   # systemd.user.startServices = "sd-switch"; # TODO: what is this
 
+  # Expire old hm generations
+  hm-expire = {
+    enable = true;
+    dates = "weekly";
+    expire = "-30 days";
+  };
+
   programs = {
     home-manager.enable = true;
     git.enable = true;
+
+    nix-index.enable = true; # allows command-not-found
+    nix-index-database.comma.enable = true;
   };
 
   home = {

homes/julian/hm-standalone-config.nix

@@ -39,6 +39,20 @@
       "ca-derivations"
     ];
 
+    # Expire old hm generations
+    hm-expire = {
+      enable = true;
+      dates = "weekly";
+      expire = "-30 days";
+    };
+    # Remove unused packets
+    services.nix-gc = {
+      enable = true;
+      automatic = true;
+      frequency = "weekly";
+      persistent = true;
+    };
+
     # nix.settings. # warn-dirty = false; # TODO: do I want this
     #
     # Ensure we can still build when missing-server is not accessible

homes/julian/quickstart.nix

@@ -2,15 +2,15 @@
 # If you want to adapt it to a specific device, copy this file with the correct hostname
 {pkgs, ...}: {
   imports = [
-    ../global
+    ./global
 
-    ../features/fish
+    ./features/fish
-    ../features/direnv
+    ./features/direnv
-    ../features/neovim
+    ./features/neovim
-    ../features/yazi
+    ./features/yazi
-    ../features/emacs
+    ./features/emacs
-    ../features/nix-helper
+    ./features/nix-helper
-    ../features/tmux
+    ./features/tmux
   ];
 
   is-nixos = false;

hosts/aspi/default.nix

@@ -21,6 +21,7 @@
 
     ../common/optional/podman.nix
     ../common/optional/wireguard.nix
+    ../common/optional/wireshark.nix
     ../common/optional/flatpak.nix
 
     ../common/optional/avahi.nix

hosts/common/global/nix.nix

@@ -1,8 +1,4 @@
-{
+{outputs, ...}: {
-  lib,
-  outputs,
-  ...
-}: {
   # Apply overlays
   nixpkgs = {
     # TODO: apply this to hm and nixos without duplicate code
@@ -32,10 +28,12 @@
     automatic = true;
     dates = "weekly";
     options = "--delete-older-than 30d";
+    persistent = true;
   };
   nix.optimise = {
     automatic = true;
     dates = ["weekly"]; # Optional; allows customizing optimisation schedule
+    persistent = true;
   };
 
   programs.nix-ld.enable = true;

hosts/common/optional/wireshark.nix

@@ -0,0 +1,9 @@
+{
+  programs.wireshark = {
+    enable = true;
+    dumpcap.enable = true;
+    usbmon.enable = true;
+  };
+
+  users.users.julian.extraGroups = ["wireshark"];
+}

modules/home-manager/default.nix

@@ -5,4 +5,5 @@
   colors = import ./colors.nix;
   hostname = import ./hostname.nix;
   non-nixos = import ./non-nixos.nix;
+  hm-expire = import ./hm-expire.nix;
 }

modules/home-manager/hm-expire.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  cfg = config.hm-expire;
+in {
+  options.hm-expire = {
+    enable = lib.mkEnableOption "Whether to enable hm-expire";
+    dates = lib.mkOption {
+      type = lib.types.str;
+      default = "weekly";
+    };
+    expire = lib.mkOption {
+      type = lib.types.str;
+      default = "-30 days";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # This creates a user-level systemd service
+    systemd.user.services.cleanup-home-manager = {
+      Unit = {
+        Description = "Cleanup old Home Manager generations";
+      };
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.home-manager}/bin/home-manager expire-generations \"${cfg.expire}\"'";
+      };
+    };
+
+    systemd.user.timers.cleanup-home-manager = {
+      Unit = {
+        Description = "Weekly cleanup of Home Manager generations";
+      };
+      Timer = {
+        OnCalendar = cfg.dates;
+        Persistent = true;
+      };
+      Install = {
+        WantedBy = ["timers.target"];
+      };
+    };
+  };
+}

pkgs/open-messaging/default.nix

@@ -1,6 +1,6 @@
 {
   writeShellApplication,
-  nheko,
+  element-desktop,
   telegram-desktop,
   thunderbird,
   discord, # TODO: discord not available for aarch64, this leads to flake evaluation for this arch fail.
@@ -9,7 +9,7 @@ writeShellApplication {
   name = "open-messaging";
 
   runtimeInputs = [
-    nheko
+    element-desktop
     telegram-desktop
     thunderbird
     discord
@@ -18,7 +18,7 @@ writeShellApplication {
   text = ''
     thunderbird &
     sleep 0.1
-    nheko &
+    element-desktop &
     sleep 0.1
     Telegram &
     sleep 0.1