From a738e0be3ab0280ea9985c3ac20f264e05929771 Mon Sep 17 00:00:00 2001
From: adikro <adikro@disroot.org>
Date: Sat, 20 Dec 2025 15:53:56 +0100
Subject: added power management for laptop

---
 hosts/desktop/configuration.nix |  5 +++-
 hosts/desktop/home.nix          |  1 -
 hosts/laptop/configuration.nix  | 57 +++++++++++++++++++++++++++++++++++++++++
 hosts/laptop/home.nix           | 55 +++++++++++++++++++++++++++++++++++++++
 sys/core/core.nix               |  1 +
 sys/core/drivers.nix            |  2 +-
 sys/core/power.nix              | 18 +++++++++++++
 sys/core/storage.nix            | 29 ++++++++++++++++++++-
 8 files changed, 164 insertions(+), 4 deletions(-)
 create mode 100644 hosts/laptop/home.nix
 create mode 100644 sys/core/power.nix

diff --git a/hosts/desktop/configuration.nix b/hosts/desktop/configuration.nix
index 21fe566..a395b54 100644
--- a/hosts/desktop/configuration.nix
+++ b/hosts/desktop/configuration.nix
@@ -35,7 +35,10 @@
         swapfile.size = 32;
       };
       security.enable = true;
-      storage.enable = true;
+      storage = {
+        enable = true;
+        keepDays = 14;
+      };
       users.enable = true;
     };
     srv = {
diff --git a/hosts/desktop/home.nix b/hosts/desktop/home.nix
index ea33837..bcb5e43 100644
--- a/hosts/desktop/home.nix
+++ b/hosts/desktop/home.nix
@@ -56,7 +56,6 @@
       nixcord.enable = true;
       obs.enable = true;
       obsidian.enable = true;
-      onlyoffice.enable = false;
       spicetify.enable = true;
       torrent.enable = true;
       vpn = {
diff --git a/hosts/laptop/configuration.nix b/hosts/laptop/configuration.nix
index e69de29..b067b26 100644
--- a/hosts/laptop/configuration.nix
+++ b/hosts/laptop/configuration.nix
@@ -0,0 +1,57 @@
+{ username, ... }:
+{
+  system.stateVersion = "25.05";
+
+  imports = [
+      ./hardware-configuration.nix
+      ../../sys/default.nix
+    ];
+
+  sys = {
+    core = {
+      allowUnfree.enable = true;
+
+      audio.enable = true;
+      bootloader = "grub";
+      drivers = {
+        enable = true;
+        amd.enable = true;
+      };
+      fonts.enable = true;
+      greet.enable = true;
+      home-manager = {
+        enable = true;
+        users.${username}.path = ./home.nix;
+      };
+      locale.enable = true;
+      network.enable = true;
+      memory = {
+        zram.enable = true;
+        zram.percent = 25;
+        swapfile.enable = true;
+        swapfile.size = 8;
+      };
+      power.enable = true;
+      security.enable = true;
+      storage = {
+        enable = true;
+        keepDays = 14;
+      };
+      users.enable = true;
+    };
+    srv = {
+      files = {
+        thunar.enable = true;
+        utils.enable = true;
+      };
+      gaming = {
+        enable = true;
+        steam.enable = true;
+      };
+      nix-helper.enable = true;
+    };
+    wm = {
+      niri.enable = true;
+    };
+  };
+}
diff --git a/hosts/laptop/home.nix b/hosts/laptop/home.nix
new file mode 100644
index 0000000..b56a4de
--- /dev/null
+++ b/hosts/laptop/home.nix
@@ -0,0 +1,55 @@
+{ username, ... }:
+{
+  imports = [ ../../hm/default.nix ];
+
+  home = {
+    username = "${username}";
+    homeDirectory = "/home/${username}";
+    stateVersion = "25.05";
+  };
+
+  hm = {
+    conf = {
+      clip = {
+        enable = true;
+        backend = "wayland";
+      };
+      git.enable = true;
+      xdg-dirs.enable = true;
+    };
+    editors.nixvim.enable = true;
+    env = {
+      niri.enable = true;
+
+      waybar.enable = true;
+      themes = {
+        enable = true;
+        gtk.enable = true;
+        qt.enable = true;
+      };
+    };
+    shell = {
+      cli.enable = true;
+      fish.enable = true;
+      foot.enable = true;
+      starship.enable = true;
+    };
+    soft = {
+      browser = {
+        enable = true;
+        librewolf.enable = true;
+      };
+      email = {
+        enable = true;
+        thunderbird.enable = false;
+        evolution.enable = true;
+      };
+      kdeconnect.enable = true;
+      media.enable = true;
+      nixcord.enable = true;
+      obsidian.enable = true;
+      spicetify.enable = true;
+      torrent.enable = true;
+    };
+  };
+}
diff --git a/sys/core/core.nix b/sys/core/core.nix
index ba38eb9..428d7ea 100644
--- a/sys/core/core.nix
+++ b/sys/core/core.nix
@@ -13,6 +13,7 @@ in
     ./localization.nix
     ./memory.nix
     ./networking.nix
+    ./power.nix
     ./security.nix
     ./storage.nix
     ./users.nix
diff --git a/sys/core/drivers.nix b/sys/core/drivers.nix
index a01bb54..c769786 100644
--- a/sys/core/drivers.nix
+++ b/sys/core/drivers.nix
@@ -16,6 +16,7 @@ in
       services.smartd.enable = true;
       hardware.sensor.iio.enable = true;
       hardware.enableAllFirmware = true;
+      hardware.cpu.amd.updateMicrocode = true;
       hardware.graphics = {
         enable = true;
         enable32Bit = true;
@@ -24,7 +25,6 @@ in
 
     (lib.mkIf cfg.amd.enable {
       services.xserver.videoDrivers = [ "amdgpu" ];
-      hardware.cpu.amd.updateMicrocode = true;
       hardware.amdgpu = {
         initrd.enable = true;
         overdrive.enable = true;
diff --git a/sys/core/power.nix b/sys/core/power.nix
new file mode 100644
index 0000000..f67665e
--- /dev/null
+++ b/sys/core/power.nix
@@ -0,0 +1,18 @@
+{ config, lib, ... }:
+let
+  cfg = config.sys.core.power;
+in
+{
+  options.sys.core.power.enable = lib.mkEnableOption "enables AMD-optimized power management";
+  config = lib.mkIf cfg.enable {
+    services.power-profiles-daemon.enable = true;
+
+    boot.kernelParams = [
+      "amd_pstate=active"
+      "nvme_core.default_ps_max_latency_us=0"
+    ];
+
+    powerManagement.powertop.enable = true;
+    services.thermald.enable = true;
+  };
+}
diff --git a/sys/core/storage.nix b/sys/core/storage.nix
index 6e2dab8..22abcd7 100644
--- a/sys/core/storage.nix
+++ b/sys/core/storage.nix
@@ -3,8 +3,35 @@ let
   cfg = config.sys.core.storage;
 in
 {
-  options.sys.core.storage.enable = lib.mkEnableOption "enables storage management";
+  options.sys.core.storage = {
+    enable = lib.mkEnableOption "enables storage management";
+    
+    keepDays = lib.mkOption {
+      type = lib.types.int;
+      default = 14;
+      description = "Number of days to keep old Nix generations before GC.";
+    };
+  };
   config = lib.mkIf cfg.enable {
     nix.settings.auto-optimise-store = true;
+    
+    nix.gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than ${toString cfg.keepDays}d";
+    };
+
+    services.fstrim.enable = true;
+
+    services.btrfs.autoScrub = {
+      enable = true;
+      interval = "monthly";
+      fileSystems = [ "/" ];
+    };
+
+    boot.tmp = {
+      useTmpfs = true;
+      tmpfsSize = "50%";
+    };
   };
 }
-- 
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