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feat: update nix config module

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This commit is contained in:
Leon Schwarzäugl 2025-06-11 02:30:20 +02:00
parent a11c7854d1
commit 6b33a182d8
Signed by: swarsel
GPG key ID: 26A54C31F2A4FD84
11 changed files with 167 additions and 239 deletions
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@ -3983,8 +3983,6 @@ Modules that need to be loaded on the NixOS level. Note that these will not be a
users = lib.mkDefault true;
env = lib.mkDefault true;
security = lib.mkDefault true;
gc = lib.mkDefault true;
storeOptimize = lib.mkDefault true;
systemdTimeout = lib.mkDefault true;
hardware = lib.mkDefault true;
pulseaudio = lib.mkDefault true;
@ -4052,8 +4050,6 @@ Modules that need to be loaded on the NixOS level. Note that these will not be a
users = lib.mkDefault true;
env = lib.mkDefault true;
security = lib.mkDefault true;
gc = lib.mkDefault true;
storeOptimize = lib.mkDefault true;
systemdTimeout = lib.mkDefault true;
hardware = lib.mkDefault true;
pulseaudio = lib.mkDefault true;
@ -4256,8 +4252,6 @@ Modules that need to be loaded on the NixOS level. Note that these will not be a
home-manager = lib.mkDefault true;
home-managerExtra = lib.mkDefault true;
xserver = lib.mkDefault true;
gc = lib.mkDefault true;
storeOptimize = lib.mkDefault true;
time = lib.mkDefault true;
users = lib.mkDefault true;
server = {
@ -4306,8 +4300,6 @@ Modules that need to be loaded on the NixOS level. Note that these will not be a
home-manager = lib.mkDefault true;
home-managerExtra = lib.mkDefault true;
xserver = lib.mkDefault true;
gc = lib.mkDefault true;
storeOptimize = lib.mkDefault true;
time = lib.mkDefault true;
users = lib.mkDefault true;
server = {
@ -4919,7 +4911,7 @@ A breakdown of the flags being set:
- nix.nixPath: Basically the same as =nix.registry=, but for the legacy nix commands
#+begin_src nix :tangle modules/nixos/common/settings.nix
{ lib, config, outputs, inputs, ... }:
{ lib, pkgs, config, outputs, inputs, ... }:
{
options.swarselsystems.modules.general = lib.mkEnableOption "general nix settings";
config = lib.mkIf config.swarselsystems.modules.general {
@ -4930,6 +4922,11 @@ A breakdown of the flags being set:
};
};
environment.etc."nixos/configuration.nix".source = pkgs.writeText "configuration.nix" ''
assert builtins.trace "This location is not used. The config is found in ${config.swarselsystems.flakePath}!" false;
{ }
'';
nix =
let
flakeInputs = lib.filterAttrs (_: lib.isType "flake") inputs;
@ -4956,11 +4953,24 @@ A breakdown of the flags being set:
max-jobs = 1;
use-cgroups = lib.mkIf config.swarselsystems.isLinux true;
};
gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 10d";
};
optimise = {
automatic = true;
dates = "weekly";
};
channel.enable = false;
registry = lib.mapAttrs (_: flake: { inherit flake; }) flakeInputs;
registry = rec {
nixpkgs.flake = inputs.nixpkgs;
p = nixpkgs;
};
nixPath = lib.mapAttrsToList (n: _: "${n}=flake:${n}") flakeInputs;
};
services.dbus.implementation = "broker";
system.stateVersion = lib.mkDefault "23.05";
};
}
@ -5222,49 +5232,6 @@ Needed for control over system-wide privileges etc. Also I make sure that the ro
}
#+end_src
**** Enable automatic garbage collection
:PROPERTIES:
:CUSTOM_ID: h:9a3b7f1f-d0c3-417e-a262-c920fb25f3ee
:END:
The nix store fills up over time, until =/boot/efi= is filled. This snippet cleans it automatically on a weekly basis.
#+begin_src nix :tangle modules/nixos/common/gc.nix
{ lib, config, ... }:
{
options.swarselsystems.modules.gc = lib.mkEnableOption "garbage collection config";
config = lib.mkIf config.swarselsystems.modules.gc {
nix.gc = {
automatic = true;
randomizedDelaySec = "14m";
dates = "weekly";
options = "--delete-older-than 10d";
};
};
}
#+end_src
**** Enable automatic store optimisation
:PROPERTIES:
:CUSTOM_ID: h:97a2b9f7-c835-4db8-a0e9-e923bab69ee8
:END:
This enables hardlinking identical files in the nix store, to save on disk space. I have read this incurs a significant I/O overhead, I need to keep an eye on this.
#+begin_src nix :tangle modules/nixos/common/store.nix
{ lib, config, ... }:
{
options.swarselsystems.modules.storeOptimize = lib.mkEnableOption "store optimization config";
config = lib.mkIf config.swarselsystems.modules.storeOptimize {
nix.optimise = {
automatic = true;
dates = [ "weekly" ];
};
};
}
#+end_src
**** Reduce systemd timeouts
:PROPERTIES:
:CUSTOM_ID: h:12858442-c129-4aa1-9c9c-a0916e36b302
@ -6709,8 +6676,6 @@ Also, the system state version is set here. No need to touch it.
"${modulesPath}/nixos/common/home-manager.nix"
"${modulesPath}/nixos/common/home-manager-extra.nix"
"${modulesPath}/nixos/common/xserver.nix"
"${modulesPath}/nixos/common/gc.nix"
"${modulesPath}/nixos/common/store.nix"
"${modulesPath}/nixos/common/time.nix"
"${modulesPath}/nixos/common/users.nix"
"${modulesPath}/nixos/common/nix-ld.nix"