hosts/common.nix

@@ -23,6 +23,7 @@ in {
       jujutsu
       just
       lazygit
+      links2
       linuxHeaders
       neofetch
       microfetch
@@ -34,7 +35,6 @@ in {
       television
       trash-cli
       util-linux
-      w3m
       wireguard-tools
       zip
       zoxide

hosts/hermit/programs.nix

@@ -6,9 +6,6 @@
   environment.systemPackages = builtins.attrValues {
     inherit
       (pkgs)
-      abook
-      aerc
-      aichat
       alsa-utils
       anki
       asciinema
@@ -76,7 +73,6 @@
       vlc
       vscodium
       wireguard-tools
-      wordgrinder
       xournalpp
       ;
     inherit (self.packages.${pkgs.stdenv.system}) helix;

modules/system/hardware/module.nix

@@ -1,10 +1,5 @@
 _: {
-  imports = [
-    ./bluetooth.nix
-    ./keyboard
-    ./graphics.nix
-    ./power.nix
-  ];
+  imports = [./bluetooth.nix ./keyboard ./graphics.nix];
 
   services.irqbalance.enable = true;
 }

modules/system/hardware/power.nix

@@ -1,70 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}: let
-  inherit (lib.modules) mkDefault;
-in {
-  config = {
-    environment.systemPackages = builtins.attrValues {
-      inherit
-        (pkgs)
-        acpi
-        powertop
-        ;
-    };
-
-    boot = {
-      kernelModules = ["acpi_call"];
-      extraModulePackages = with config.boot.kernelPackages; [
-        acpi_call
-        cpupower
-      ];
-    };
-
-    hardware.acpilight.enable = false;
-
-    services = {
-      upower = {
-        enable = true;
-        percentageLow = 15;
-        percentageCritical = 5;
-      };
-
-      acpid = {
-        enable = true;
-        logEvents = true;
-      };
-
-      # INFO: Only works on Intel
-      undervolt = {
-        enable = true;
-
-        tempBat = 65;
-        package = pkgs.undervolt;
-      };
-
-      auto-cpufreq = {
-        enable = true;
-        settings = {
-          charger = {
-            governor = "performance";
-            energy_performance_preference = "performance";
-            scaling_min_freq = mkDefault 1800000;
-            scaling_max_freq = mkDefault 3800000;
-            turbo = "auto";
-          };
-
-          battery = {
-            governor = "powersave";
-            energy_performance_preference = "power";
-            scaling_min_freq = mkDefault 1200000;
-            scaling_max_freq = mkDefault 1800000;
-            turbo = "never";
-          };
-        };
-      };
-    };
-  };
-}

modules/system/nix/module.nix

@@ -26,22 +26,24 @@ in {
       lib.mapAttrs (_: v: {flake = v;}) inputs
       // {system.flake = inputs.self;};
 
-    # Add inputs to the system's legacy channels
-    # to make legacy nix commands consistent as well
+    # This will additionally add your inputs to the system's legacy channels
+    # Making legacy nix commands consistent as well
     nixPath = mapAttrsToList (key: _: "${key}=flake:${key}") config.nix.registry;
 
-    # Run the Nix daemon on lowest possible priority
+    # Run the Nix daemon on lowest possible priority so that my system
+    # stays responsive during demanding tasks such as GC and builds.
+    # This is especially useful while auto-gc and auto-upgrade are enabled
+    # as they can be quite demanding on the CPU.
     daemonCPUSchedPolicy = "idle";
     daemonIOSchedClass = "idle";
     daemonIOSchedPriority = 7;
 
     # Collect garbage
-    # NOTE: I use nh for this.
     gc = {
       automatic = false;
       dates = "20:00";
       options = "--delete-older-than 7d";
-      persistent = false;
+      persistent = false; # don't try to catch up on missed GC runs
     };
 
     # Automatically optimize nix store by removing hard links
@@ -130,12 +132,13 @@ in {
       keep-derivations = true;
       keep-outputs = true;
 
-      # Use binary cache
+      # Use binary cache, this is not Gentoo
+      # external builders can also pick up those substituters
       builders-use-substitutes = true;
 
       # Substituters to pull from.
       substituters = [
-        "https://cache.nixos.org"
+        "https://cache.nixos.org" # funny binary cache
       ];
 
       trusted-public-keys = [

modules/system/os/networking/networkmanager.nix

@@ -19,8 +19,8 @@ in {
       powersave = true;
 
       # Backend is either wpa_supplicant or iwd,
-      # I use wpa_supplicant since it is simply more reliable.
-      backend = "wpa_supplicant";
+      # we use iwd.
+      backend = "iwd";
     };
   };
 }