idk man

global/eraseyourdarlings.nix

@@ -1,7 +1,28 @@
 { lib, ... }:
 {
   boot.initrd.postResumeCommands = lib.mkAfter ''
-    rm -rf /bin /etc /lib64 /srv /tmp /usr /var
+    mkdir /btrfs_tmp
+    mount /dev/disk/by-label/BUTTER /btrfs_tmp
+    if [[ -e /btrfs_tmp/root ]]; then
+        mkdir -p /btrfs_tmp/old_roots
+        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
+        mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+    fi
+
+    delete_subvolume_recursively() {
+        IFS=$'\n'
+        for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+            delete_subvolume_recursively "/btrfs_tmp/$i"
+        done
+        btrfs subvolume delete "$1"
+    }
+
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +1); do
+        delete_subvolume_recursively "$i"
+    done
+
+    btrfs subvolume create /btrfs_tmp/root
+    umount /btrfs_tmp
   '';
   # impermanence
   environment.persistence."/persistent" = {

machines/homepc/hardware-configuration.nix

@@ -20,14 +20,40 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
+  boot.supportedFileSystems = [ "btrfs" ];
 
   fileSystems."/" = {
-    device = "/dev/disk/by-uuid/2849654b-6c3c-4db7-9603-5fa96ce561aa";
+    device = "/dev/disk/by-uuid/3c89fa92-1d43-4c48-b228-e2725fa70ee9";
-    fsType = "ext4";
+    fsType = "btrfs";
+    options = [ "compress=zstd" ];
+  };
+
+  fileSystems."/home" = {
+    device = "/dev/disk/by-uuid/3c89fa92-1d43-4c48-b228-e2725fa70ee9";
+    fsType = "btrfs";
+    options = [ "compress=zstd" ];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/3c89fa92-1d43-4c48-b228-e2725fa70ee9";
+    fsType = "btrfs";
+    options = [ "compress=zstd" "noatime" ];
+  };
+
+  fileSystems."/swap" = {
+    device = "/dev/disk/by-uuid/3c89fa92-1d43-4c48-b228-e2725fa70ee9";
+    fsType = "btrfs";
+    options = [ "noatime" ];
+  };
+
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-uuid/3c89fa92-1d43-4c48-b228-e2725fa70ee9";
+    fsType = "btrfs";
+    options = [ "compress=zstd" ];
   };
 
   fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/90C0-8767";
+    device = "/dev/disk/by-uuid/2260-4302";
     fsType = "vfat";
     options = [
       "fmask=0077"
@@ -36,7 +62,7 @@
   };
 
   swapDevices = [
-    { device = "/dev/disk/by-uuid/7762478c-1123-4a1f-9402-1bba3723e53d"; }
+    { device = "/swap/swapfile"; }
   ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";

machines/workstation/configuration.nix

@@ -20,12 +20,12 @@
     ../../modules/kde/default.nix
     ../../modules/virtualization/default.nix
     # ../../modules/vr/default.nix
-    # ../../global/eraseyourdarlings.nix
+    ../../global/eraseyourdarlings.nix
   ];
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
+  # boot.loader.efi.canTouchEfiVariables = true;
 
   networking.hostName = "workstation"; # Define your hostname.
 

machines/workstation/hardware-configuration.nix

@@ -1,6 +1,3 @@
-# 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,
@@ -8,7 +5,6 @@
   modulesPath,
   ...
 }:
-
 {
   imports = [
     (modulesPath + "/installer/scan/not-detected.nix")
@@ -16,24 +12,50 @@
 
   boot.initrd.availableKernelModules = [
     "xhci_pci"
-    "ehci_pci"
     "ahci"
+    "nvme"
     "usbhid"
-    "usb_storage"
     "sd_mod"
-    "sr_mod"
+    "btrfs"
   ];
-  boot.initrd.kernelModules = [ ];
+  boot.initrd.kernelModules = [ "btrfs" ];
-  boot.kernelModules = [ "kvm-intel" ];
+  boot.kernelModules = [ "kvm-intel" "btrfs" ];
   boot.extraModulePackages = [ ];
+  boot.supportedFilesystems = [ "btrfs" ];
 
   fileSystems."/" = {
-    device = "/dev/disk/by-uuid/f111c9ae-2ac4-4b20-b46e-11d99552dfdd";
+    device = "/dev/disk/by-label/BUTTER";
-    fsType = "ext4";
+    fsType = "btrfs";
+    options = [ "compress=zstd" "subvol=root" ];
+  };
+
+  fileSystems."/home" = {
+    device = "/dev/disk/by-label/BUTTER";
+    fsType = "btrfs";
+    options = [ "compress=zstd" "subvol=home" ];
+  };
+
+  fileSystems."/nix" = {
+    # device = "/dev/disk/by-uuid/3c89fa92-1d43-4c48-b228-e2725fa70ee9";
+    device = "/dev/disk/by-label/BUTTER";
+    fsType = "btrfs";
+    options = [ "compress=zstd" "noatime" "subvol=nix" ];
+  };
+
+#  fileSystems."/swap" = {
+#    device = "/dev/disk/by-label/BUTTER";
+#    fsType = "btrfs";
+#    options = [ "noatime" "subvol=swap" ];
+#  };
+
+  fileSystems."/persistent" = {
+    device = "/dev/disk/by-label/BUTTER";
+    fsType = "btrfs";
+    options = [ "compress=zstd" "subvol=persist" ];
   };
 
   fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/191D-6D31";
+    device = "/dev/disk/by-label/BOOT";
     fsType = "vfat";
     options = [
       "fmask=0077"
@@ -41,14 +63,29 @@
     ];
   };
 
-  swapDevices = [
+#  fileSystems = {
-    { device = "/dev/disk/by-uuid/11c4c704-87bc-4c76-b3e2-2166ef53dcaf"; }
+#    "/".options = [ "compress=zstd" ];
-  ];
+#    "/home".options = [ "compress=zstd" ];
+#    "/persist".options = [ "compress=zstd" ];
+#    "/nix".options = [ "compress=zstd" "noatime" ];
+#    "/swap".options = [ "noatime" ];
+#  };
+
+#  swapDevices = [
+#    { device = "/swap/swapfile"; }
+#  ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 
-  hardware.graphics.enable = true;
+  boot.loader.systemd-boot.enable = true;
-  services.xserver.videoDrivers = [ "nvidia" ];
+  boot.loader.efi.canTouchEfiVariables = false;
-  hardware.nvidia.open = false;
+  # boot.loader.efiInstallAsRemovable = true;
+
+  networking.networkmanager.enable = true;
+
+  hardware.bluetooth.enable = true;
+  hardware.bluetooth.powerOnBoot = true; # Fine since it's not a laptop.
+
+  system.stateVersion = "25.11"; # No touchy
 }