Update packages.

I was getting corrupted builds, so as a test I am using the direct path where the drive is mounted rather than going through bind mounts.

ansible/roles/base/files/gitconfig_home

@@ -8,6 +8,7 @@
 	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
 	bh = log --oneline --branches=* --remotes=* --graph --decorate
 	amend = commit --amend --no-edit
+	authorcount = shortlog --summary --numbered --all --no-merges
 [core]
 	excludesfile = ~/.gitignore_global
 [commit]

ansible/roles/base/files/gitconfig_work

@@ -8,6 +8,7 @@
 	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
 	bh = log --oneline --branches=* --remotes=* --graph --decorate
 	amend = commit --amend --no-edit
+	authorcount = shortlog --summary --numbered --all --no-merges
 [core]
 	excludesfile = ~/.gitignore_global
 [commit]

ansible/roles/sshd/files/keys/yubikey.pub

@@ -1 +1 @@
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGu+k5lrirokdW5zVdRVBOqEOAvAPlIkG/MdJNc9g5ky cardno:000611194908
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAID0+4zi26M3eYWnIrciR54kOlGxzfgCXG+o4ea1zpzrk openpgp:0x7FF123C8

nix/configuration/.gitignore

@@ -0,0 +1 @@
+result

nix/configuration/configuration.nix

@@ -2,253 +2,280 @@
   config,
   lib,
   pkgs,
-  home-manager,
   ...
 }:
 
+let
+  alias_nix_pin_revision = pkgs.writeShellScriptBin "nix-pin-revision" ''
+    # Usage: nix-pin-revision nixpkgs 'github:NixOS/nixpkgs/00c21e4c93d963c50d4c0c89bfa84ed6e0694df2'
+    exec nix flake lock --override-input "''${@}"
+  '';
+in
 {
   imports = [
-    ./roles/reset
+    ./roles/2ship2harkinian
-    ./roles/global_options
-    ./util/unfree_polyfill
-    ./roles/iso
-    "${
-      builtins.fetchTarball {
-        url = "https://github.com/nix-community/disko/archive/refs/tags/v1.9.0.tar.gz";
-        sha256 = "0j76ar4qz320fakdii4659w5lww8wiz6yb7g47npywqvf2lbp388";
-      }
-    }/module.nix"
-    ./roles/boot
-    ./roles/zfs
-    ./roles/network
-    ./roles/firewall
-    ./roles/zsh
-    ./roles/zrepl
-    ./roles/graphics
-    ./roles/sound
-    ./roles/sway
-    ./roles/kanshi
     ./roles/alacritty
-    ./roles/firefox
+    ./roles/amd_s2idle
-    ./roles/chromium
+    ./roles/android
-    ./roles/emacs
+    ./roles/ansible
-    ./roles/git
-    ./roles/fonts
-    ./roles/gpg
-    ./roles/waybar
-    ./roles/qemu
-    ./roles/wireguard
     ./roles/ares
-    ./roles/ssh
+    ./roles/base
-    ./roles/python
+    ./roles/bluetooth
+    ./roles/boot
+    ./roles/build_in_ram
+    ./roles/chromecast
+    ./roles/chromium
+    ./roles/d2
+    ./roles/direnv
+    ./roles/disko
+    ./roles/distributed_build
+    ./roles/doas
     ./roles/docker
+    ./roles/dont_use_substituters
+    ./roles/ecc
+    ./roles/emacs
+    ./roles/emulate_isa
+    ./roles/esim
+    ./roles/firefox
+    ./roles/firewall
+    ./roles/flux
+    ./roles/fonts
+    ./roles/gcloud
+    ./roles/git
+    ./roles/global_options
+    ./roles/gnome_keyring
+    ./roles/gnuplot
+    ./roles/gpg
+    ./roles/graphics
+    ./roles/graphviz
+    ./roles/hydra
+    ./roles/image_based_appliance
+    ./roles/iso
+    ./roles/iso_mount
+    ./roles/jujutsu
+    ./roles/kanshi
+    ./roles/kodi
     ./roles/kubernetes
-    ./roles/rust
-    ./roles/media
-    ./roles/steam
     ./roles/latex
     ./roles/launch_keyboard
     ./roles/lvfs
+    ./roles/media
+    ./roles/memtest86
+    ./roles/minimal_base
+    ./roles/network
+    ./roles/nix_index
+    ./roles/nix_repl
+    ./roles/nix_worker
+    ./roles/nixdev
     ./roles/nvme
+    ./roles/openpgp_card_tools
+    ./roles/optimized_build
+    ./roles/pcsx2
+    ./roles/podman
+    ./roles/postgresql_client
+    ./roles/python
+    ./roles/qemu
+    ./roles/recovery
+    ./roles/reset
+    ./roles/rpcs3
+    ./roles/rust
+    ./roles/sequoia
+    ./roles/shadps4
+    ./roles/shikane
+    ./roles/shipwright
+    ./roles/sm64ex
+    ./roles/sops
+    ./roles/sound
+    ./roles/spaghettikart
+    ./roles/ssh
+    ./roles/sshd
+    ./roles/steam
+    ./roles/steam_run_free
+    ./roles/sway
+    ./roles/tekton
     ./roles/terraform
+    ./roles/thunderbolt
+    ./roles/user
+    ./roles/uutils
+    ./roles/vnc_client
     ./roles/vscode
     ./roles/wasm
-    ./roles/vnc_client
+    ./roles/waybar
-    ./roles/chromecast
+    ./roles/webcam
-    ./roles/memtest86
+    ./roles/wine
-    ./roles/kodi
+    ./roles/wireguard
-    ./roles/ansible
+    ./roles/yubikey
-    ./roles/bluetooth
+    ./roles/zfs
-    ./roles/sm64ex
+    ./roles/zrepl
-    ./roles/shipwright
+    ./roles/zsh
-    ./roles/2ship2harkinian
+    ./util/install_files
-    ./roles/nix_index
+    ./util/unfree_polyfill
   ];
 
-  nix.settings.experimental-features = [
+  config = {
-    "nix-command"
+    nix.settings.experimental-features = [
-    "flakes"
+      "nix-command"
-  ];
+      "flakes"
-  nix.settings.trusted-users = [ "@wheel" ];
+      "ca-derivations"
-
+      # "blake3-hashes"
-  # boot.kernelPackages = pkgs.linuxPackages_6_11;
+      # "git-hashing"
-  hardware.enableRedistributableFirmware = true;
-
-  services.getty = {
-    autologinUser = "talexander"; # I use full disk encryption so the user password is irrelevant.
-    autologinOnce = true;
-  };
-  users.mutableUsers = false;
-  users.users.talexander = {
-    isNormalUser = true;
-    createHome = true; # https://github.com/NixOS/nixpkgs/issues/6481
-    group = "talexander";
-    extraGroups = [ "wheel" ];
-    uid = 11235;
-    packages = with pkgs; [
-      tree
     ];
-    # Generate with `mkpasswd -m scrypt`
+    nix.settings.trusted-users = [ "@wheel" ];
-    hashedPassword = "$7$CU..../....VXvNQ8za3wSGpdzGXNT50/$HcFtn/yvwPMCw4888BelpiAPLAxe/zU87fD.d/N6U48";
+    nix.settings.connect-timeout = 5;
-    openssh.authorizedKeys.keys = [
+    nix.settings.min-free = 128000000;
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGu+k5lrirokdW5zVdRVBOqEOAvAPlIkG/MdJNc9g5ky"
+    nix.settings.max-free = 1000000000;
-      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIEI6mu6I5Jp+Ib0vJxapGHbEShZjyvzV8jz5DnzDrI39AAAABHNzaDo="
+    nix.settings.fallback = true;
-      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAFNcSXwvy+brYTOGo56G93Ptuq2MmZsjvRWAfMqbmMLAAAABHNzaDo="
+    nix.settings.warn-dirty = false;
-    ];
+    nix.settings.fsync-metadata = true;
-  };
+    # Ensure store paths are durably written to disk before registering the paths so a crash mid-build does not leave us in a corrupted state.
-  users.groups.talexander.gid = 11235;
+    nix.settings.fsync-store-paths = true;
-  home-manager.users.talexander =
-    { pkgs, ... }:
-    {
-      home.packages = [
-        pkgs.atool
-        pkgs.httpie
-      ];
-      programs.bash.enable = true;
 
-      # The state version is required and should stay at the version you
+    hardware.enableRedistributableFirmware = true;
-      # originally installed.
+
-      home.stateVersion = "24.11";
+    # Keep outputs so we can build offline.
+    nix.settings.keep-outputs = true;
+    nix.settings.keep-derivations = true;
+
+    # Automatic garbage collection
+    nix.gc = lib.mkIf (!config.me.buildingPortable) {
+      # Runs nix-collect-garbage --delete-older-than 5d
+      automatic = true;
+      persistent = true;
+      dates = "monthly";
+      # randomizedDelaySec = "14m";
+      options = "--delete-older-than 30d";
     };
+    nix.settings.auto-optimise-store = !config.me.buildingPortable;
 
-  # Automatic garbage collection
+    environment.systemPackages = [
-  nix.gc = lib.mkIf (!config.me.buildingIso) {
+      alias_nix_pin_revision
-    # Runs nix-collect-garbage --delete-older-than 5d
-    automatic = true;
-    randomizedDelaySec = "14m";
-    options = "--delete-older-than 30d";
-  };
-  nix.settings.auto-optimise-store = !config.me.buildingIso;
-
-  # Use doas instead of sudo
-  security.doas.enable = true;
-  security.doas.wheelNeedsPassword = false;
-  security.sudo.enable = false;
-  security.doas.extraRules = [
-    {
-      # Retain environment (for example NIX_PATH)
-      keepEnv = true;
-      persist = true; # Only ask for a password the first time.
-    }
-  ];
-
-  environment.systemPackages = with pkgs; [
-    wget
-    mg
-    rsync
-    libinput
-    htop
-    tmux
-    file
-    usbutils # for lsusb
-    pciutils # for lspci
-    ripgrep
-    strace
-    ltrace
-    trace-cmd # ftrace
-    tcpdump
-    git-crypt
-    gnumake
-    ncdu
-    nix-tree
-    libarchive # bsdtar
-  ];
-
-  services.openssh = {
-    enable = true;
-    settings = {
-      PasswordAuthentication = false;
-      KbdInteractiveAuthentication = false;
-    };
-    hostKeys = [
-      {
-        path = "/persist/ssh/ssh_host_ed25519_key";
-        type = "ed25519";
-      }
-      {
-        path = "/persist/ssh/ssh_host_rsa_key";
-        type = "rsa";
-        bits = 4096;
-      }
     ];
-  };
 
-  environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+    environment.persistence."/persist" = lib.mkIf (config.me.mountPersistence) {
-    hideMounts = true;
+      hideMounts = true;
-    directories = [
-      "/var/lib/iwd" # Wifi settings
-      "/var/lib/nixos" # Contains user information (uids/gids)
-      "/var/lib/systemd" # Systemd state directory for random seed, persistent timers, core dumps, persist hardware state like backlight and rfkill
-      "/var/log/journal" # Logs, alternatively set `services.journald.storage = "volatile";` to write to /run/log/journal
-    ];
-    files = [
-      "/etc/machine-id" # Systemd unique machine id "otherwise, the system journal may fail to list earlier boots, etc"
-      "/etc/ssh/ssh_host_rsa_key"
-      "/etc/ssh/ssh_host_rsa_key.pub"
-      "/etc/ssh/ssh_host_ed25519_key"
-      "/etc/ssh/ssh_host_ed25519_key.pub"
-    ];
-    users.talexander = {
       directories = [
-        {
+        "/var/lib/nixos" # Contains user information (uids/gids)
-          directory = "persist";
+        "/var/lib/systemd" # Systemd state directory for random seed, persistent timers, core dumps, persist hardware state like backlight and rfkill
-          user = "talexander";
+        "/var/log/journal" # Logs, alternatively set `services.journald.storage = "volatile";` to write to /run/log/journal
-          group = "talexander";
+      ];
-          mode = "0700";
+      files = [
-        }
+        "/etc/machine-id" # Systemd unique machine id "otherwise, the system journal may fail to list earlier boots, etc"
       ];
     };
+
+    # Write a list of the currently installed packages to /etc/current-system-packages
+    # environment.etc."current-system-packages".text =
+    #   let
+    #     packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
+    #     sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
+    #     formatted = builtins.concatStringsSep "\n" sortedUnique;
+    #   in
+    #   formatted;
+
+    # nixpkgs.overlays = [
+    #   (final: prev: {
+    #     foot = throw "foo";
+    #   })
+    # ];
+
+    nixpkgs.overlays =
+      let
+        disableTests = (
+          # Example: (disableTests "coreutils")
+          package_name:
+          (final: prev: {
+            "${package_name}" = prev."${package_name}".overrideAttrs (old: {
+              doCheck = false;
+              doInstallCheck = false;
+            });
+          })
+        );
+        disableTestsPython = (
+          # Example: (disableTestsPython "scipy")
+          package_name:
+          (final: prev: {
+            pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
+              (python-final: python-prev: {
+                "${package_name}" = python-prev."${package_name}".overridePythonAttrs (oldAttrs: {
+                  doCheck = false;
+                });
+              })
+            ];
+          })
+        );
+        disableOptimizations = (
+          # Example: (disableOptimizations "coreutils")
+          package_name:
+          (final: prev: {
+            "${package_name}" = final.unoptimized."${package_name}";
+          })
+        );
+        disableOptimizationsScope = (
+          # Example: (disableOptimizationsScope "kdePackages" "qtbase")
+          scope: package_name:
+          (final: prev: {
+            "${scope}" = prev."${scope}".overrideScope (
+              scopeFinal: scopePrev: {
+                "${package_name}" = final.unoptimized."${scope}"."${package_name}";
+              }
+            );
+          })
+        );
+        disableOptimizationsPython3 = (
+          # Example: (disableOptimizationsPython3 "scipy")
+          package_name:
+          (final: prev: {
+            python3Packages = prev.python3Packages.override {
+              overrides = python-final: python-prev: {
+                "${package_name}" = final.unoptimized.python3.pkgs."${package_name}";
+              };
+            };
+          })
+        );
+      in
+      [
+        (disableTests "coreutils")
+        (disableTests "coreutils-full")
+        (disableTests "deno") # Tests use too much disk space
+        (disableTests "libuv")
+        (final: prev: {
+          inherit (final.unoptimized)
+            libtpms
+            libjxl
+            ddrescueview
+            deno
+            mesa
+            ;
+        })
+        (disableOptimizationsPython3 "scipy")
+        # Works but probably sets python2's scipy to be python3:
+        #
+        # (final: prev: {
+        #   pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
+        #     (python-final: python-prev: {
+        #       scipy = final.unoptimized.python3Packages.scipy;
+        #     })
+        #   ];
+        # })
+      ];
+
+    # This option defines the first version of NixOS you have installed on this particular machine,
+    # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+    #
+    # Most users should NEVER change this value after the initial install, for any reason,
+    # even if you've upgraded your system to a new NixOS release.
+    #
+    # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+    # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+    # to actually do that.
+    #
+    # This value being lower than the current NixOS release does NOT mean your system is
+    # out of date, out of support, or vulnerable.
+    #
+    # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+    # and migrated your data accordingly.
+    #
+    # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+    system.stateVersion = "24.11"; # Did you read the comment?
   };
-
-  # Write a list of the currently installed packages to /etc/current-system-packages
-  environment.etc."current-system-packages".text =
-    let
-      packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
-      sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
-      formatted = builtins.concatStringsSep "\n" sortedUnique;
-    in
-    formatted;
-
-  # environment.etc."system-packages-with-source".text = builtins.concatStringsSep "\n\n" (
-  #   builtins.map (
-  #     x: x.file + "\n" + builtins.concatStringsSep "\n" (builtins.map (s: "  " + s) x.value)
-  #   ) config.environment.systemPackages.definitionsWithLocations
-  # );
-
-  # nixpkgs.overlays = [
-  #   (final: prev: {
-  #     nix = pkgs-unstable.nix;
-  #   })
-  # ];
-
-  # nixpkgs.overlays = [
-  #   (final: prev: {
-  #     foot = throw "foo";
-  #   })
-  # ];
-
-  # Copy the NixOS configuration file and link it from the resulting system
-  # (/run/current-system/configuration.nix). This is useful in case you
-  # accidentally delete configuration.nix.
-  # system.copySystemConfiguration = true;
-
-  # This option defines the first version of NixOS you have installed on this particular machine,
-  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
-  #
-  # Most users should NEVER change this value after the initial install, for any reason,
-  # even if you've upgraded your system to a new NixOS release.
-  #
-  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
-  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
-  # to actually do that.
-  #
-  # This value being lower than the current NixOS release does NOT mean your system is
-  # out of date, out of support, or vulnerable.
-  #
-  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
-  # and migrated your data accordingly.
-  #
-  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
-  system.stateVersion = "24.11"; # Did you read the comment?
-
 }

nix/configuration/flake.lock

@@ -1,23 +1,5 @@
 {
   "nodes": {
-    "ansible-sshjail": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1,
-        "narHash": "sha256-c4Ds4E/10Zj5AQLuJ3JvJTuDK8o2WjVXLcIL7eyhTfw=",
-        "path": "flakes/ansible-sshjail",
-        "type": "path"
-      },
-      "original": {
-        "path": "flakes/ansible-sshjail",
-        "type": "path"
-      }
-    },
     "crane": {
       "locked": {
         "lastModified": 1731098351,
@@ -33,6 +15,26 @@
         "type": "github"
       }
     },
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1776613567,
+        "narHash": "sha256-gC9Cp5ibBmGD5awCA9z7xy6MW6iJufhazTYJOiGlCUI=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "32f4236bfc141ae930b5ba2fb604f561fed5219d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -70,42 +72,6 @@
         "type": "github"
       }
     },
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -131,15 +97,16 @@
     "home-manager": {
       "inputs": {
         "nixpkgs": [
+          "impermanence",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1737762889,
+        "lastModified": 1768598210,
-        "narHash": "sha256-5HGG09bh/Yx0JA8wtBMAzt0HMCL1bYZ93x4IqzVExio=",
+        "narHash": "sha256-kkgA32s/f4jaa4UG+2f8C225Qvclxnqs76mf8zvTVPg=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "daf04c5950b676f47a794300657f1d3d14c1a120",
+        "rev": "c47b2cc64a629f8e075de52e4742de688f930dc6",
         "type": "github"
       },
       "original": {
@@ -149,12 +116,18 @@
       }
     },
     "impermanence": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
       "locked": {
-        "lastModified": 1737831083,
+        "lastModified": 1769548169,
-        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "narHash": "sha256-03+JxvzmfwRu+5JafM0DLbxgHttOQZkUtDWBmeUkN8Y=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "rev": "7b1d382faf603b6d264f58627330f9faa5cba149",
         "type": "github"
       },
       "original": {
@@ -191,11 +164,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1737885589,
+        "lastModified": 1777268161,
-        "narHash": "sha256-Zf0hSrtzaM1DEz8//+Xs51k/wdSajticVrATqDrfQjg=",
+        "narHash": "sha256-bxrdOn8SCOv8tN4JbTF/TXq7kjo9ag4M+C8yzzIRYbE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "852ff1d9e153d8875a83602e03fdef8a63f0ecf8",
+        "rev": "1c3fe55ad329cbcb28471bb30f05c9827f724c76",
         "type": "github"
       },
       "original": {
@@ -205,22 +178,6 @@
         "type": "github"
       }
     },
-    "nixpkgs-b93b4e9b5": {
-      "locked": {
-        "lastModified": 1713721570,
-        "narHash": "sha256-R0s+O5UjTePQRb72XPgtkTmEiOOW8n+1q9Gxt/OJnKU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b93b4e9b527904aadf52dba6ca35efde2067cbd4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b93b4e9b527904aadf52dba6ca35efde2067cbd4",
-        "type": "github"
-      }
-    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1730741070,
@@ -266,13 +223,10 @@
     },
     "root": {
       "inputs": {
-        "ansible-sshjail": "ansible-sshjail",
+        "disko": "disko",
-        "home-manager": "home-manager",
         "impermanence": "impermanence",
         "lanzaboote": "lanzaboote",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs"
-        "nixpkgs-b93b4e9b5": "nixpkgs-b93b4e9b5",
-        "zsh-histdb": "zsh-histdb"
       }
     },
     "rust-overlay": {
@@ -295,54 +249,6 @@
         "repo": "rust-overlay",
         "type": "github"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "zsh-histdb": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1,
-        "narHash": "sha256-5DWw7GnwVZ98HUp/UUJcyUmmy9Bh/mcQB8MQQ0t3ZRo=",
-        "path": "flakes/zsh-histdb",
-        "type": "path"
-      },
-      "original": {
-        "path": "flakes/zsh-histdb",
-        "type": "path"
-      }
     }
   },
   "root": "root",

nix/configuration/flake.nix

@@ -1,55 +1,31 @@
-# Build ISO image
+# TODO maybe use `nix eval --raw .#odo.iso.outPath`
-#   nix build --extra-experimental-features nix-command --extra-experimental-features flakes .#iso.odo
-#   output: result/iso/nixos.iso
 
-# Run the ISO image
-#   "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" \
-#        -accel kvm \
-#        -cpu host \
-#        -smp cores=8 \
-#        -m 32768 \
-#        -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" \
-#        -drive if=pflash,format=raw,file="/tmp/OVMF_VARS.fd" \
-#        -nic user,hostfwd=tcp::60022-:22 \
-#        -boot order=d \
-#        -cdrom "$(readlink -f ./result/iso/nixos.iso)" \
-#        -display vnc=127.0.0.1:0
 #
-# doas cp "$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF_VARS.fd" /tmp/OVMF_VARS.fd
+# Install on a new machine:
-# doas "$(nix-build '<nixpkgs>' --no-out-link -A 'qemu')/bin/qemu-system-x86_64" -accel kvm -cpu host -smp cores=8 -m 32768 -drive "file=$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF.fd,if=pflash,format=raw,readonly=on" -drive if=pflash,format=raw,file="/tmp/OVMF_VARS.fd" -nic user,hostfwd=tcp::60022-:22 -boot order=d -cdrom /persist/machine_setup/nix/configuration/result/iso/nixos*.iso -display vnc=127.0.0.1:0
+#
-
+# Set
-# Get a repl for this flake
+#   me.disko.enable = true;
-#   nix repl --expr "builtins.getFlake \"$PWD\""
+#   me.disko.offline.enable = true;
-
+#
-# TODO maybe use `nix eval --raw .#iso.odo.outPath`
+# Run
-# iso.odo.isoName == "nixos.iso"
+#   doas disko --mode destroy,format,mount hosts/recovery/disk-config.nix
-# full path = <outPath> / iso / <isoName>
+#   doas nixos-install --substituters "http://10.0.2.2:8080?trusted=1 https://cache.nixos.org/" --flake ".#recovery"
 
 {
   description = "My system configuration";
 
   inputs = {
-    impermanence.url = "github:nix-community/impermanence";
+    impermanence = {
+      url = "github:nix-community/impermanence";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    nixpkgs-b93b4e9b5.url = "github:NixOS/nixpkgs/b93b4e9b527904aadf52dba6ca35efde2067cbd4";
-    home-manager.url = "github:nix-community/home-manager";
-    home-manager.inputs.nixpkgs.follows = "nixpkgs";
     lanzaboote = {
       url = "github:nix-community/lanzaboote/v0.4.2";
-
-      # Optional but recommended to limit the size of your system closure.
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    zsh-histdb = {
+    disko = {
-      url = "path:flakes/zsh-histdb";
+      url = "github:nix-community/disko";
-
-      # Optional but recommended to limit the size of your system closure.
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    ansible-sshjail = {
-      url = "path:flakes/ansible-sshjail";
-
-      # Optional but recommended to limit the size of your system closure.
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
@@ -58,96 +34,97 @@
     {
       self,
       nixpkgs,
-      nixpkgs-b93b4e9b5,
+      disko,
       impermanence,
-      home-manager,
       lanzaboote,
-      zsh-histdb,
-      ansible-sshjail,
       ...
-    }@inputs:
+    }:
     let
-      base_x86_64_linux = rec {
+      forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
-        system = "x86_64-linux";
+      nodes = {
-        specialArgs = {
-          pkgs-b93b4e9b5 = import nixpkgs-b93b4e9b5 {
-            inherit system;
-          };
-        };
-        modules = [
-          impermanence.nixosModules.impermanence
-          home-manager.nixosModules.home-manager
-          lanzaboote.nixosModules.lanzaboote
-          {
-            home-manager.useGlobalPkgs = true;
-            home-manager.useUserPackages = true;
-          }
-          {
-            nixpkgs.overlays = [
-              zsh-histdb.overlays.default
-              ansible-sshjail.overlays.default
-            ];
-          }
-          ./configuration.nix
-        ];
-      };
-      systems = {
         odo = {
-          main = nixpkgs.lib.nixosSystem (
+          system = "x86_64-linux";
-            base_x86_64_linux
-            // {
-              modules = base_x86_64_linux.modules ++ [
-                ./hosts/odo
-              ];
-            }
-          );
-          iso = nixpkgs.lib.nixosSystem (
-            base_x86_64_linux
-            // {
-              modules = base_x86_64_linux.modules ++ [
-                ./hosts/odo
-                (nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
-                # TODO: Figure out how to do image based appliances
-                # (nixpkgs + "/nixos/modules/profiles/image-based-appliance.nix")
-                {
-                  isoImage.makeEfiBootable = true;
-                  isoImage.makeUsbBootable = true;
-                  me.buildingIso = true;
-                }
-              ];
-            }
-          );
         };
-        neelix = {
+        odowork = {
-          main = nixpkgs.lib.nixosSystem (
+          system = "x86_64-linux";
-            base_x86_64_linux
+        };
-            // {
+        quark = {
-              modules = base_x86_64_linux.modules ++ [
+          system = "x86_64-linux";
-                ./hosts/neelix
+        };
-              ];
+        recovery = {
-            }
+          system = "x86_64-linux";
-          );
+        };
-          iso = nixpkgs.lib.nixosSystem (
+        i_only_boot_zfs = {
-            base_x86_64_linux
+          system = "x86_64-linux";
-            // {
+        };
-              modules = base_x86_64_linux.modules ++ [
+        hydra = {
-                ./hosts/neelix
+          system = "x86_64-linux";
-                (nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
+        };
-                {
+        family_disks = {
-                  isoImage.makeEfiBootable = true;
+          system = "x86_64-linux";
-                  isoImage.makeUsbBootable = true;
-                  me.buildingIso = true;
-                }
-              ];
-            }
-          );
         };
       };
+      nixosConfigs = builtins.mapAttrs (
+        hostname: nodeConfig: format:
+        nixpkgs.lib.nixosSystem {
+          specialArgs = {
+            inherit self;
+
+            this_nixos_config = self.nixosConfigurations."${hostname}";
+
+            all_nixos_configs = self.nixosConfigurations;
+          };
+          modules = [
+            impermanence.nixosModules.impermanence
+            lanzaboote.nixosModules.lanzaboote
+            disko.nixosModules.disko
+            ./configuration.nix
+            (./. + "/hosts/${hostname}")
+            (./. + "/formats/${format}.nix")
+            {
+              config = {
+                nixpkgs.hostPlatform.system = nodeConfig.system;
+                nixpkgs.overlays = [
+                  (final: prev: {
+                    # stable = nixpkgs-stable.legacyPackages."${prev.stdenv.hostPlatform.system}";
+                    unoptimized = import nixpkgs {
+                      system = prev.stdenv.hostPlatform.system;
+                      hostPlatform.gcc.arch = "default";
+                      hostPlatform.gcc.tune = "default";
+                    };
+                  })
+                ];
+              };
+            }
+          ];
+        }
+      ) nodes;
+      installerConfig =
+        hostname: nodeConfig:
+        nixpkgs.lib.nixosSystem {
+          specialArgs = {
+            targetSystem = self.nixosConfigurations."${hostname}";
+          };
+          modules = [
+            ./formats/installer.nix
+            ({ nixpkgs.hostPlatform.system = nodeConfig.system; })
+          ];
+        };
     in
     {
-      nixosConfigurations.odo = systems.odo.main;
+      nixosConfigurations = (builtins.mapAttrs (name: value: value "toplevel") nixosConfigs);
-      iso.odo = systems.odo.iso.config.system.build.isoImage;
+    }
-      nixosConfigurations.neelix = systems.neelix.main;
+    // {
-      iso.neelix = systems.neelix.iso.config.system.build.isoImage;
+      packages = (
+        forAllSystems (
+          system:
+          (builtins.mapAttrs (hostname: nodeConfig: {
+            iso = (nixosConfigs."${hostname}" "iso").config.system.build.isoImage;
+            vm_iso = (nixosConfigs."${hostname}" "vm_iso").config.system.build.isoImage;
+            sd = (nixosConfigs."${hostname}" "sd").config.system.build.sdImage;
+            installer = (installerConfig hostname nodes."${hostname}").config.system.build.isoImage;
+          }) (nixpkgs.lib.attrsets.filterAttrs (hostname: nodeConfig: nodeConfig.system == system) nodes))
+        )
+      );
     };
 }

nix/configuration/flakes/ansible-sshjail/flake.lock

@@ -1,61 +0,0 @@
-{
-  "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1735141468,
-        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-24.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

nix/configuration/flakes/ansible-sshjail/flake.nix

@@ -1,34 +0,0 @@
-{
-  description = "A slightly better history for zsh";
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-
-  outputs =
-    {
-      self,
-      nixpkgs,
-      flake-utils,
-      ...
-    }:
-    let
-      out =
-        system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          # Maybe pkgs = import nixpkgs { inherit system; }; ?
-          appliedOverlay = self.overlays.default pkgs pkgs;
-        in
-        {
-          packages = rec {
-            default = ansible-sshjail;
-            ansible-sshjail = appliedOverlay.ansible-sshjail;
-          };
-        };
-    in
-    flake-utils.lib.eachDefaultSystem out
-    // {
-      overlays.default = final: prev: {
-        ansible-sshjail = final.callPackage ./package.nix { };
-      };
-    };
-}

nix/configuration/flakes/starship-game/flake.lock

@@ -1,61 +0,0 @@
-{
-  "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1735141468,
-        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-24.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

nix/configuration/flakes/starship-game/flake.nix

@@ -1,34 +0,0 @@
-{
-  description = "A slightly better history for zsh";
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-
-  outputs =
-    {
-      self,
-      nixpkgs,
-      flake-utils,
-      ...
-    }:
-    let
-      out =
-        system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          # Maybe pkgs = import nixpkgs { inherit system; }; ?
-          appliedOverlay = self.overlays.default pkgs pkgs;
-        in
-        {
-          packages = rec {
-            default = starship-game;
-            starship-game = appliedOverlay.starship-game;
-          };
-        };
-    in
-    flake-utils.lib.eachDefaultSystem out
-    // {
-      overlays.default = final: prev: {
-        starship-game = final.callPackage ./package.nix { };
-      };
-    };
-}

nix/configuration/flakes/starship-game/package.nix

@@ -1,261 +0,0 @@
-{
-  lib,
-  stdenv,
-  SDL2,
-  cmake,
-  copyDesktopItems,
-  fetchFromGitHub,
-  fetchpatch,
-  fetchurl,
-  imagemagick,
-  imgui,
-  libpng,
-  libpulseaudio,
-  libzip,
-  lsb-release,
-  makeDesktopItem,
-  makeWrapper,
-  ninja,
-  nlohmann_json,
-  pkg-config,
-  python3,
-  spdlog,
-  stormlib,
-  tinyxml-2,
-  writeTextFile,
-  zenity,
-}:
-
-let
-
-  # This would get fetched at build time otherwise, see:
-  # https://github.com/HarbourMasters/2ship2harkinian/blob/1.0.2/mm/CMakeLists.txt#L708
-  gamecontrollerdb = fetchurl {
-    name = "gamecontrollerdb.txt";
-    url = "https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/b1759cf84028aab89caa1c395e198c340b8dfd89/gamecontrollerdb.txt";
-    hash = "sha256-7C5EkqBIhLGNJuhi3832y0ffW5Ep7iuTYXb1bL5h2Js=";
-  };
-
-  # 2ship needs a specific imgui version
-  imgui' = imgui.overrideAttrs rec {
-    version = "1.90.6";
-    src = fetchFromGitHub {
-      owner = "ocornut";
-      repo = "imgui";
-      rev = "v${version}-docking";
-      hash = "sha256-Y8lZb1cLJF48sbuxQ3vXq6GLru/WThR78pq7LlORIzc=";
-    };
-  };
-
-  libgfxd = fetchFromGitHub {
-    owner = "glankk";
-    repo = "libgfxd";
-    rev = "96fd3b849f38b3a7c7b7f3ff03c5921d328e6cdf";
-    hash = "sha256-dedZuV0BxU6goT+rPvrofYqTz9pTA/f6eQcsvpDWdvQ=";
-  };
-
-  yaml_cpp = fetchFromGitHub {
-    owner = "jbeder";
-    repo = "yaml-cpp";
-    rev = "f7320141120f720aecc4c32be25586e7da9eb978";
-    hash = "sha256-J87oS6Az1/vNdyXu3L7KmUGWzU0IAkGrGMUUha+xDXI=";
-  };
-
-  # spdlog = fetchFromGitHub {
-  #   owner = "gabime";
-  #   repo = "spdlog";
-  #   rev = "7e635fca68d014934b4af8a1cf874f63989352b7";
-  #   hash = "sha256-cxTaOuLXHRU8xMz9gluYz0a93O0ez2xOxbloyc1m1ns=";
-  # };
-
-  # stb_impl = writeTextFile {
-  #   name = "stb_impl.c";
-  #   text = ''
-  #     #define STB_IMAGE_IMPLEMENTATION
-  #     #include "stb_image.h"
-  #   '';
-  # };
-
-  # stb' = fetchurl {
-  #   name = "stb_image.h";
-  #   url = "https://raw.githubusercontent.com/nothings/stb/0bc88af4de5fb022db643c2d8e549a0927749354/stb_image.h";
-  #   hash = "sha256-xUsVponmofMsdeLsI6+kQuPg436JS3PBl00IZ5sg3Vw=";
-  # };
-
-  # Apply 2ship's patch for stormlib
-  stormlib' = stormlib.overrideAttrs (prev: rec {
-    version = "9.25";
-    src = fetchFromGitHub {
-      owner = "ladislav-zezula";
-      repo = "StormLib";
-      rev = "v${version}";
-      hash = "sha256-HTi2FKzKCbRaP13XERUmHkJgw8IfKaRJvsK3+YxFFdc=";
-    };
-    nativeBuildInputs = prev.nativeBuildInputs ++ [ pkg-config ];
-    patches = (prev.patches or [ ]) ++ [
-      (fetchpatch {
-        name = "stormlib-optimizations.patch";
-        url = "https://github.com/briaguya-ai/StormLib/commit/ff338b230544f8b2bb68d2fbe075175ed2fd758c.patch";
-        hash = "sha256-Jbnsu5E6PkBifcx/yULMVC//ab7tszYgktS09Azs5+4=";
-      })
-    ];
-  });
-
-  thread_pool = fetchFromGitHub {
-    owner = "bshoshany";
-    repo = "thread-pool";
-    rev = "v4.1.0";
-    hash = "sha256-zhRFEmPYNFLqQCfvdAaG5VBNle9Qm8FepIIIrT9sh88=";
-  };
-
-in
-stdenv.mkDerivation (finalAttrs: {
-  pname = "starship-game";
-  version = "v1.0.0";
-
-  src = fetchFromGitHub {
-    owner = "HarbourMasters";
-    repo = "starship";
-    # rev = "5e5e49da93e066f51c3010ba38f09331d866f2db";
-    tag = finalAttrs.version;
-    hash = "sha256-kaLLlLuonqE2DJcRlWR4tCEBNjwIYFlzeDLcYsvMO7I=";
-    fetchSubmodules = true;
-  };
-
-  # patches = [
-  #   # remove fetching stb as we will patch our own
-  #   ./0001-deps.patch
-  # ];
-
-  nativeBuildInputs = [
-    cmake
-    copyDesktopItems
-    imagemagick
-    lsb-release
-    makeWrapper
-    ninja
-    pkg-config
-    python3
-  ];
-
-  buildInputs = [
-    SDL2
-    imgui'
-    libpng
-    libpulseaudio
-    libzip
-    nlohmann_json
-    spdlog
-    stormlib'
-    tinyxml-2
-    zenity
-  ];
-
-  cmakeFlags = [
-    (lib.cmakeBool "NON_PORTABLE" true)
-    (lib.cmakeFeature "CMAKE_INSTALL_PREFIX" "${placeholder "out"}/starship-game")
-    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_IMGUI" "${imgui'.src}")
-    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_LIBGFXD" "${libgfxd}")
-    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_STORMLIB" "${stormlib'}")
-    (lib.cmakeFeature "FETCHCONTENT_SOURCE_DIR_THREADPOOL" "${thread_pool}")
-  ];
-
-  dontAddPrefix = true;
-
-  # Linking fails without this
-  hardeningDisable = [ "format" ];
-
-  # Pie needs to be enabled or else it segfaults
-  hardeningEnable = [ "pie" ];
-
-  # preConfigure = ''
-  #   # mirror 2ship's stb
-  #   mkdir stb
-  #   cp ${stb'} ./stb/${stb'.name}
-  #   cp ${stb_impl} ./stb/${stb_impl.name}
-
-  #   substituteInPlace libultraship/cmake/dependencies/common.cmake \
-  #     --replace-fail "\''${STB_DIR}" "/build/source/stb"
-  # '';
-
-  # (cd tools/Torch && cmake -H. -Bbuild-cmake -GNinja \
-  # -DFETCHCONTENT_SOURCE_DIR_LIBGFXD=${libgfxd} \
-  # -DFETCHCONTENT_SOURCE_DIR_YAML-CPP=${finalAttrs.yaml_cpp_src} \
-  # -DFETCHCONTENT_SOURCE_DIR_SPDLOG=${finalAttrs.spdlog_src}
-  # )
-
-  configurePhase = ''
-    cmake -H. -Bbuild-cmake -GNinja \
-    -DFETCHCONTENT_SOURCE_DIR_IMGUI=${imgui'.src} \
-    -DFETCHCONTENT_SOURCE_DIR_STORMLIB=${stormlib'} \
-    -DFETCHCONTENT_SOURCE_DIR_THREADPOOL=${thread_pool}
-
-    (cd tools/Torch && cmake -H. -Bbuild-cmake -GNinja \
-    -DFETCHCONTENT_SOURCE_DIR_LIBGFXD=${libgfxd} \
-    -DFETCHCONTENT_SOURCE_DIR_YAML-CPP=${yaml_cpp} \
-    -DFETCHCONTENT_SOURCE_DIR_SPDLOG=${spdlog}
-    )
-
-    (cd libultraship && cmake -H. -Bbuild-cmake -GNinja \
-    -DFETCHCONTENT_SOURCE_DIR_LIBGFXD=${libgfxd} \
-    -DFETCHCONTENT_SOURCE_DIR_IMGUI=${imgui'.src} \
-    -DFETCHCONTENT_SOURCE_DIR_STORMLIB=${stormlib'} \
-    -DFETCHCONTENT_SOURCE_DIR_THREADPOOL=${thread_pool}
-    )
-
-  '';
-
-  buildPhase = ''
-    cmake --build build-cmake
-  '';
-
-  postBuild = ''
-    cp ${gamecontrollerdb} ${gamecontrollerdb.name}
-    pushd ../OTRExporter
-    python3 ./extract_assets.py -z ../build/ZAPD/ZAPD.out --norom --xml-root ../mm/assets/xml --custom-assets-path ../mm/assets/custom --custom-otr-file 2ship.o2r --port-ver ${finalAttrs.version}
-    popd
-  '';
-
-  preInstall = ''
-    # Cmake likes it here for its install paths
-    cp ../OTRExporter/2ship.o2r mm/
-  '';
-
-  postInstall = ''
-    mkdir -p $out/bin
-    ln -s $out/2s2h/2s2h.elf $out/bin/2s2h
-    install -Dm644 ../mm/linux/2s2hIcon.png $out/share/pixmaps/2s2h.png
-  '';
-
-  postFixup = ''
-    wrapProgram $out/2s2h/2s2h.elf --prefix PATH ":" ${lib.makeBinPath [ zenity ]}
-  '';
-
-  desktopItems = [
-    (makeDesktopItem {
-      name = "starship";
-      icon = "starship";
-      exec = "starship";
-      comment = finalAttrs.meta.description;
-      genericName = "Starship";
-      desktopName = "starship";
-      categories = [ "Game" ];
-    })
-  ];
-
-  meta = {
-    homepage = "https://github.com/HarbourMasters/2ship2harkinian";
-    description = "A PC port of Majora's Mask with modern controls, widescreen, high-resolution, and more";
-    mainProgram = "starship";
-    platforms = [ "x86_64-linux" ];
-    maintainers = with lib.maintainers; [ ];
-    license = with lib.licenses; [
-      # # OTRExporter, OTRGui, ZAPDTR, libultraship
-      # mit
-      # # 2 Ship 2 Harkinian
-      # cc0
-      # # Reverse engineering
-      # unfree
-    ];
-  };
-})

nix/configuration/flakes/zsh-histdb/flake.lock

@@ -1,61 +0,0 @@
-{
-  "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1735141468,
-        "narHash": "sha256-VIAjBr1qGcEbmhLwQJD6TABppPMggzOvqFsqkDoMsAY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "4005c3ff7505313cbc21081776ad0ce5dfd7a3ce",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-24.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

nix/configuration/flakes/zsh-histdb/flake.nix

@@ -1,34 +0,0 @@
-{
-  description = "A slightly better history for zsh";
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-
-  outputs =
-    {
-      self,
-      nixpkgs,
-      flake-utils,
-      ...
-    }:
-    let
-      out =
-        system:
-        let
-          pkgs = nixpkgs.legacyPackages.${system};
-          # Maybe pkgs = import nixpkgs { inherit system; }; ?
-          appliedOverlay = self.overlays.default pkgs pkgs;
-        in
-        {
-          packages = rec {
-            default = zsh-histdb;
-            zsh-histdb = appliedOverlay.zsh-histdb;
-          };
-        };
-    in
-    flake-utils.lib.eachDefaultSystem out
-    // {
-      overlays.default = final: prev: {
-        zsh-histdb = final.callPackage ./package.nix { };
-      };
-    };
-}

nix/configuration/formats/installer.nix

@@ -0,0 +1,74 @@
+{
+  config,
+  pkgs,
+  lib,
+  modulesPath,
+  targetSystem,
+  ...
+}:
+let
+  installer = pkgs.writeShellApplication {
+    name = "installer";
+    runtimeInputs = with pkgs; [
+      # clevis
+      dosfstools
+      e2fsprogs
+      gawk
+      nixos-install-tools
+      util-linux
+      config.nix.package
+    ];
+    text = ''
+      set -euo pipefail
+
+      ${targetSystem.config.system.build.diskoScript}
+
+      nixos-install --no-channel-copy --no-root-password --option substituters "" --system ${targetSystem.config.system.build.toplevel}
+    '';
+  };
+  installerFailsafe = pkgs.writeShellScript "failsafe" ''
+    ${lib.getExe installer} || echo "ERROR: Installation failure!"
+    sleep 3600
+  '';
+in
+{
+  imports = [
+    (modulesPath + "/installer/cd-dvd/iso-image.nix")
+    (modulesPath + "/profiles/all-hardware.nix")
+  ];
+
+  boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_18;
+  # boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux;
+  boot.zfs.package = pkgs.zfs_unstable;
+  boot.kernelParams = [
+    "quiet"
+    "systemd.unit=getty.target"
+  ];
+  boot.supportedFilesystems.zfs = true;
+  boot.initrd.systemd.enable = true;
+
+  networking.hostId = "04581ecf";
+
+  isoImage.makeEfiBootable = true;
+  isoImage.makeUsbBootable = true;
+  isoImage.squashfsCompression = "zstd -Xcompression-level 15";
+
+  environment.systemPackages = [
+    installer
+  ];
+
+  systemd.services."getty@tty1" = {
+    overrideStrategy = "asDropin";
+    serviceConfig = {
+      ExecStart = [
+        ""
+        installerFailsafe
+      ];
+      Restart = "no";
+      StandardInput = "null";
+    };
+  };
+
+  # system.stateVersion = lib.mkDefault lib.trivial.release;
+  system.stateVersion = "24.11";
+}

nix/configuration/formats/iso.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  lib,
+  modulesPath,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/cd-dvd/iso-image.nix")
+  ];
+
+  config = {
+    isoImage.makeEfiBootable = true;
+    isoImage.makeUsbBootable = true;
+
+    networking.dhcpcd.enable = true;
+    networking.useDHCP = true;
+
+    me.buildingPortable = true;
+    me.disko.enable = true;
+    me.disko.offline.enable = true;
+    me.mountPersistence = lib.mkForce false;
+    # me.optimizations.enable = lib.mkForce false;
+
+    # Not doing image_based_appliance because this might be an install ISO, in which case we'd need nix to do the install.
+    # me.image_based_appliance.enable = true;
+
+    # TODO: Should I use this instead of doing a mkIf for the disk config?
+    # disko.enableConfig = false;
+
+    # Faster image generation for testing/development.
+    isoImage.squashfsCompression = "zstd -Xcompression-level 15";
+  };
+}

nix/configuration/formats/sd.nix

@@ -0,0 +1,32 @@
+{
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/sd-card/sd-image.nix")
+  ];
+
+  config = {
+    isoImage.makeEfiBootable = true;
+    isoImage.makeUsbBootable = true;
+
+    boot.loader.grub.enable = false;
+    boot.loader.generic-extlinux-compatible.enable = true;
+
+    # TODO: image based appliance?
+
+    # TODO: Maybe this?
+    # fileSystems = {
+    #   "/" = {
+    #     device = "/dev/disk/by-label/NIXOS_SD";
+    #     fsType = "ext4";
+    #     options = [
+    #       "noatime"
+    #       "norelatime"
+    #     ];
+    #   };
+    # };
+  };
+}

nix/configuration/formats/toplevel.nix

@@ -0,0 +1 @@
+{ }

nix/configuration/formats/vm_iso.nix

@@ -0,0 +1,22 @@
+{
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/cd-dvd/iso-image.nix")
+    (modulesPath + "/profiles/qemu-guest.nix") # VirtIO kernel modules
+  ];
+
+  config = {
+    isoImage.makeEfiBootable = true;
+    isoImage.makeUsbBootable = true;
+
+    networking.dhcpcd.enable = true;
+    networking.useDHCP = true;
+
+    me.image_based_appliance.enable = true;
+  };
+}

nix/configuration/hosts/family_disks/DEPLOY_BOOT

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=family_disks
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#family_disks" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/family_disks/DEPLOY_SWITCH

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=family_disks
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#family_disks" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/family_disks/ISO

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#family_disks.iso" --repair --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/family_disks/SELF_BOOT

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#family_disks" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/family_disks/SELF_BUILD

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+: "${NOM:="true"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#family_disks" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/family_disks/SELF_SWITCH

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#family_disks" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/family_disks/default.nix

@@ -0,0 +1,75 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./wrapped-disk-config.nix
+    ./distributed_build.nix
+    ./power_management.nix
+  ];
+
+  config = {
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "908cbf04";
+
+    networking.hostName = "family_disks"; # Define your hostname.
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
+
+    # Toggle to start writing the extlinux config which will be used by zfsbootmenu
+    boot.loader.generic-extlinux-compatible.enable = true;
+    boot.loader.systemd-boot.enable = lib.mkForce false;
+
+    me.rollback.dataset = [
+      "zroot/linux/nix/root@blank"
+      "zroot/linux/nix/home@blank"
+    ];
+
+    me.optimizations = {
+      enable = true;
+      arch = "skylake";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        "gccarch-kabylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Early KMS
+    # boot.initrd.kernelModules = [ "amdgpu" ];
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    # Enable light sensor
+    # hardware.sensor.iio.enable = lib.mkDefault true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # Only run nix builders at idle priority for a more responsive system. Do not set on servers, just end-user devices.
+    nix.daemonCPUSchedPolicy = "idle";
+
+    me.build_in_ram.enable = true;
+    me.dont_use_substituters.enable = true;
+    me.minimal_base.enable = true;
+    me.recovery.enable = true;
+  };
+}

nix/configuration/hosts/family_disks/disk-config.nix

@@ -0,0 +1,155 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/efi";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              # encryption = "aes-256-gcm";
+              # keyformat = "passphrase";
+              # # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/boot" = {
+            type = "zfs_fs";
+            options = {
+              mountpoint = "legacy";
+              "org.zfsbootmenu:active" = "on";
+            };
+            mountpoint = "/boot";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/boot@blank$' || zfs snapshot zroot/linux/nix/boot@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              # recordsize = "16MiB";
+              # compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/boot".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}

nix/configuration/hosts/family_disks/distributed_build.nix

@@ -0,0 +1,19 @@
+{
+  imports = [ ];
+
+  config = {
+    me.distributed_build.enable = true;
+    me.distributed_build.machines.quark = {
+      enable = false;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+    me.distributed_build.machines.hydra = {
+      enable = true;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+  };
+}

nix/configuration/hosts/family_disks/hardware-configuration.nix

@@ -0,0 +1,33 @@
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  config = {
+    boot.initrd.availableKernelModules = [
+      "nvme"
+      "xhci_pci"
+      "thunderbolt"
+    ];
+    boot.initrd.kernelModules = [ ];
+    boot.kernelModules = [ ];
+    boot.extraModulePackages = [ ];
+
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # (the default) this is the recommended approach. When using systemd-networkd it's
+    # still possible to use this option, but it's recommended to use it in conjunction
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    # networking.useDHCP = lib.mkDefault true;
+    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+    hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
+}

nix/configuration/hosts/family_disks/power_management.nix

@@ -0,0 +1,75 @@
+{
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    environment.systemPackages = with pkgs; [
+      powertop
+    ];
+
+    # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
+    # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+    # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+    # amd_pstate=passive :: Fully automated hardware pstate control.
+    # amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
+    # amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
+    # amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
+    boot.kernelParams = [
+      "amdgpu.abmlevel=2"
+      "pcie_aspm=force"
+      # "pcie_aspm.policy=powersupersave"
+      "nowatchdog"
+      # I don't see a measurable benefit from these two:
+      # "cpufreq.default_governor=powersave"
+      # "initcall_blacklist=cpufreq_gov_userspace_init"
+    ];
+
+    systemd.tmpfiles.rules = [
+      "w- /sys/firmware/acpi/platform_profile - - - - low-power"
+      "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpu0/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu1/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu2/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu3/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu4/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu5/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu6/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu7/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu8/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu9/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu10/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu11/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu12/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu13/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu14/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu15/cpufreq/boost - - - - 0"
+    ];
+
+    boot.extraModprobeConfig = ''
+      # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
+      blacklist sp5100_tco
+
+      # Sound power-saving was causing chat notifications to be inaudible.
+      # options snd_hda_intel power_save=1
+    '';
+  };
+}

nix/configuration/hosts/family_disks/wrapped-disk-config.nix

@@ -0,0 +1,7 @@
+{
+  config,
+  lib,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingPortable) (import ./disk-config.nix)

nix/configuration/hosts/hydra/DEPLOY_BOOT

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=hydra
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#hydra" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/DEPLOY_SWITCH

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=hydra
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#hydra" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/ISO

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#hydra.iso" --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/SELF_BOOT

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#hydra" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/SELF_BUILD

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#hydra" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/SELF_SWITCH

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#hydra" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/VM_ISO

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#hydra.vm_iso" --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/default.nix

@@ -0,0 +1,138 @@
+# MANUAL: On client machines generate signing keys:
+#   nix-store --generate-binary-cache-key some-name /persist/manual/nix/nix-cache-key.sec /persist/manual/nix/nix-cache-key.pub
+#
+# Trust other machines and add the substituters:
+#   nix.binaryCachePublicKeys = [ "some-name:AzNW1MOlkNEsUAXS1jIFZ1QCFKXjV+Y/LrF37quAZ1A=" ];
+#   nix.binaryCaches = [ "https://test.example/nix-cache" ];
+
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./vm_disk.nix
+  ];
+
+  config = {
+    networking =
+      let
+        interface = "enp0s2";
+      in
+      {
+        # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+        hostId = "6fbf418b";
+
+        hostName = "hydra"; # Define your hostname.
+
+        interfaces = {
+          "${interface}" = {
+            ipv4.addresses = [
+              {
+                address = "10.215.1.219";
+                prefixLength = 24;
+              }
+            ];
+
+            ipv6.addresses = [
+              {
+                address = "2620:11f:7001:7:ffff:ffff:0ad7:01db";
+                prefixLength = 64;
+              }
+            ];
+          };
+        };
+        defaultGateway = "10.215.1.1";
+        defaultGateway6 = {
+          # address = "2620:11f:7001:7::1";
+          address = "2620:11f:7001:7:ffff:ffff:0ad7:0101";
+          inherit interface;
+        };
+
+        dhcpcd.enable = lib.mkForce false;
+        useDHCP = lib.mkForce false;
+      };
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
+    boot.loader.timeout = lib.mkForce 0; # We can always generate a new ISO if we need to access other boot options.
+
+    me.optimizations = {
+      enable = true;
+      arch = "znver4";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        "gccarch-kabylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # nix.optimise.automatic = true;
+    # nix.optimise.dates = [ "03:45" ];
+    # nix.optimise.persistent = true;
+
+    me.image_based_appliance.enable = lib.mkForce false;
+
+    environment.systemPackages = with pkgs; [
+      htop
+      git # for building on hydra
+      tmux # for building on hydra
+      nix-output-monitor # for building on hydra
+    ];
+
+    # nix.sshServe.enable = true;
+    # nix.sshServe.keys = [ "ssh-dss AAAAB3NzaC1k... bob@example.org" ];
+
+    # Override garbage collection to keep things longer
+    # Automatic garbage collection
+    nix.gc = lib.mkForce {
+      automatic = true;
+      persistent = true;
+      dates = "weekly";
+      # randomizedDelaySec = "14m";
+      options = "--delete-older-than 60d";
+    };
+
+    # The default limit of files is 1024 which is too low for some nix builds.
+    #
+    # Check with `ulimit -n`
+    security.pam.loginLimits = [
+      {
+        domain = "*";
+        item = "nofile";
+        type = "-";
+        value = "8192";
+      }
+    ];
+
+    # systemd.user.extraConfig = "DefaultLimitNOFILE=8192";
+    # systemd.services."user@11400".serviceConfig.LimitNOFILE = "8192";
+
+    me.build_in_ram.enable = true;
+    me.dont_use_substituters.enable = true;
+    me.hydra.enable = true;
+    me.minimal_base.enable = true;
+    me.nix_worker.enable = true;
+  };
+}

nix/configuration/hosts/hydra/hardware-configuration.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  config = {
+    boot.initrd.availableKernelModules = [
+      "nvme"
+      "xhci_pci"
+      "thunderbolt"
+    ];
+    boot.initrd.kernelModules = [ ];
+    boot.kernelModules = [ ];
+    boot.extraModulePackages = [ ];
+
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # (the default) this is the recommended approach. When using systemd-networkd it's
+    # still possible to use this option, but it's recommended to use it in conjunction
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    # networking.useDHCP = lib.mkDefault true;
+    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+  };
+}

nix/configuration/hosts/hydra/vm_disk.nix

@@ -0,0 +1,95 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    # environment.systemPackages = with pkgs; [
+    #   e2fsprogs # mkfs.ext4
+    #   gptfdisk # cgdisk
+    # ];
+
+    # Mount the local disk
+    fileSystems = lib.mkIf config.me.mountPersistence {
+      "/.disk" = lib.mkForce {
+        device = "/dev/nvme0n1p1";
+        fsType = "ext4";
+        options = [
+          "noatime"
+          "discard"
+        ];
+        neededForBoot = true;
+      };
+
+      # "/.persist" = lib.mkForce {
+      #   device = "bind9p";
+      #   fsType = "9p";
+      #   options = [
+      #     "noatime"
+      #     "trans=virtio"
+      #     "version=9p2000.L"
+      #     "cache=mmap"
+      #     "msize=512000"
+      #     "uname=root"
+      #     "dfltuid=0"
+      #     "dfltgid=0"
+      #     "nodevmap"
+      #     # "noauto"
+      #     # "x-systemd.automount"
+      #   ];
+      #   neededForBoot = true;
+      # };
+
+      "/persist" = {
+        fsType = "none";
+        device = "/.disk/persist";
+        options = [
+          "bind"
+          "rw"
+        ];
+        depends = [
+          "/.disk/persist"
+        ];
+        neededForBoot = true;
+      };
+
+      "/state" = {
+        fsType = "none";
+        device = "/.disk/state";
+        options = [
+          "bind"
+          "rw"
+        ];
+        depends = [
+          "/.disk/state"
+        ];
+        neededForBoot = true;
+      };
+
+      # "/nix/store" = lib.mkForce {
+      #   overlay = {
+      #     lowerdir = [ "/nix/.ro-store" ];
+      #     upperdir = "/.disk/persist/store";
+      #     workdir = "/.disk/state/work";
+      #   };
+      #   # fsType = "overlay";
+      #   # device = "overlay";
+      #   # options = [
+      #   #   "lowerdir=/nix/.ro-store"
+      #   #   "upperdir=/.disk/persist/store"
+      #   #   "workdir=/.disk/state/work"
+      #   # ];
+      #   depends = [
+      #     "/nix/.ro-store"
+      #     "/.disk/persist/store"
+      #     "/.disk/state/work"
+      #   ];
+      # };
+    };
+  };
+}

nix/configuration/hosts/i_only_boot_zfs/DEPLOY_BOOT

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=i_only_boot_zfs
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#i_only_boot_zfs" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/DEPLOY_SWITCH

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=i_only_boot_zfs
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#i_only_boot_zfs" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/ISO

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#i_only_boot_zfs.iso" --repair --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/SELF_BOOT

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#i_only_boot_zfs" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/SELF_BUILD

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#i_only_boot_zfs" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/SELF_SWITCH

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#i_only_boot_zfs" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/default.nix

@@ -0,0 +1,63 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./wrapped-disk-config.nix
+    ./distributed_build.nix
+    ./power_management.nix
+  ];
+
+  config = {
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "6a05d86e";
+
+    networking.hostName = "i_only_boot_zfs"; # Define your hostname.
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
+
+    # Toggle to start writing the extlinux config which will be used by zfsbootmenu
+    # boot.loader.generic-extlinux-compatible.enable = true;
+    # boot.loader.systemd-boot.enable = lib.mkForce false;
+
+    me.optimizations = {
+      # enable = true;
+      # arch = "kabylake";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        # "gccarch-kabylake"
+        "gccarch-x86-64-v3"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Early KMS
+    # boot.initrd.kernelModules = [ "amdgpu" ];
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # Even when installed, we want to dhcp because this is for a VM.
+    networking.dhcpcd.enable = true;
+    networking.useDHCP = true;
+
+    me.build_in_ram.enable = true;
+    me.dont_use_substituters.enable = true;
+    me.minimal_base.enable = true;
+  };
+}

nix/configuration/hosts/i_only_boot_zfs/disk-config.nix

@@ -0,0 +1,155 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/efi";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              # encryption = "aes-256-gcm";
+              # keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/boot" = {
+            type = "zfs_fs";
+            options = {
+              mountpoint = "legacy";
+              "org.zfsbootmenu:active" = "on";
+            };
+            mountpoint = "/boot";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/boot@blank$' || zfs snapshot zroot/linux/nix/boot@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/boot".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  # boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}

nix/configuration/hosts/i_only_boot_zfs/distributed_build.nix

@@ -0,0 +1,13 @@
+{
+  imports = [ ];
+
+  config = {
+    me.distributed_build.enable = true;
+    me.distributed_build.machines.quark = {
+      enable = true;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+  };
+}

nix/configuration/hosts/i_only_boot_zfs/hardware-configuration.nix

@@ -0,0 +1,33 @@
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  config = {
+    boot.initrd.availableKernelModules = [
+      "nvme"
+      "xhci_pci"
+      "thunderbolt"
+    ];
+    boot.initrd.kernelModules = [ ];
+    boot.kernelModules = [ ];
+    boot.extraModulePackages = [ ];
+
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # (the default) this is the recommended approach. When using systemd-networkd it's
+    # still possible to use this option, but it's recommended to use it in conjunction
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    # networking.useDHCP = lib.mkDefault true;
+    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+    hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
+}

nix/configuration/hosts/i_only_boot_zfs/power_management.nix

@@ -0,0 +1,63 @@
+{
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    environment.systemPackages = with pkgs; [
+      powertop
+    ];
+
+    # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+    # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+    boot.kernelParams = [
+      "pcie_aspm=force"
+      # "pcie_aspm.policy=powersupersave"
+      "nowatchdog"
+    ];
+
+    systemd.tmpfiles.rules = [
+      "w- /sys/firmware/acpi/platform_profile - - - - low-power"
+      "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpu0/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu1/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu2/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu3/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu4/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu5/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu6/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu7/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu8/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu9/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu10/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu11/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu12/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu13/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu14/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu15/cpufreq/boost - - - - 0"
+    ];
+
+    boot.extraModprobeConfig = ''
+      # Sound power-saving was causing chat notifications to be inaudible.
+      # options snd_hda_intel power_save=1
+    '';
+  };
+}

nix/configuration/hosts/i_only_boot_zfs/wrapped-disk-config.nix

@@ -0,0 +1,7 @@
+{
+  config,
+  lib,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingPortable) (import ./disk-config.nix)

nix/configuration/hosts/neelix/DEPLOY_BOOT

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=neelix
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#neelix" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild boot --flake /persist/manual/configuration#neelix'

nix/configuration/hosts/neelix/DEPLOY_SWITCH

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+#TARGET=10.216.1.14
+# TARGET=192.168.211.250
+TARGET=neelix
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#neelix" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json
+
+# rsync -av --progress --delete --exclude=.git "$DIR/../../../configuration" "talexander@${TARGET}:/persist/manual/" && ssh talexander@${TARGET} 'cd /persist/manual/configuration && nix flake update zsh-histdb && nix flake update ansible-sshjail && doas nice -n 19 nixos-rebuild switch --flake /persist/manual/configuration#neelix'

nix/configuration/hosts/neelix/default.nix

@@ -3,36 +3,64 @@
   imports = [
     ./hardware-configuration.nix
     ./disk-config.nix
-    ./optimized_build.nix
     ./power_management.nix
   ];
 
-  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  config = {
-  networking.hostId = "fbd233d8";
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "bca9d0a5";
 
-  networking.hostName = "neelix"; # Define your hostname.
+    networking.hostName = "neelix"; # Define your hostname.
 
-  time.timeZone = "America/New_York";
+    time.timeZone = "America/New_York";
-  i18n.defaultLocale = "en_US.UTF-8";
+    i18n.defaultLocale = "en_US.UTF-8";
 
-  me.secureBoot.enable = false;
+    me.boot.secure = false;
+    me.mountPersistence = true;
 
-  # Early KMS
+    me.optimizations = {
-  boot.initrd.kernelModules = [ "i915" ];
+      enable = false;
+      arch = "alderlake";
+      system_features = [
+        "gccarch-alderlake"
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
 
-  # Mount tmpfs at /tmp
+    # Early KMS
-  boot.tmp.useTmpfs = true;
+    boot.initrd.kernelModules = [ "i915" ];
 
-  me.bluetooth.enable = true;
+    # Mount tmpfs at /tmp
-  me.emacs_flavor = "plainmacs";
+    # boot.tmp.useTmpfs = true;
-  me.graphical = true;
-  me.graphics_card_type = "intel";
-  me.kodi.enable = true;
-  me.lvfs.enable = true;
-  me.sound.enable = true;
-  me.wireguard.activated = [ "wgh" ];
-  me.wireguard.deactivated = [ "wgf" ];
-  me.zrepl.enable = true;
-  me.zsh.enable = true;
 
+    me.base.enable = true;
+    me.bluetooth.enable = true;
+    me.boot.enable = true;
+    me.doas.enable = true;
+    me.emacs_flavor = "plainmacs";
+    me.firewall.enable = true;
+    me.font.enable = true;
+    me.git.enable = true;
+    me.graphical = true;
+    me.graphics_card_type = "intel";
+    me.kodi.enable = true;
+    me.lvfs.enable = true;
+    me.memtest.enable = true;
+    me.network.enable = true;
+    me.nvme.enable = true;
+    me.sound.enable = true;
+    me.ssh.enable = true;
+    me.sshd.enable = true;
+    me.user.enable = true;
+    me.wireguard.activated = [ "wgh" ];
+    me.wireguard.deactivated = [ "wgf" ];
+    me.zfs.enable = true;
+    me.zrepl.enable = true;
+    me.zsh.enable = true;
+  };
 }

nix/configuration/hosts/neelix/hardware-configuration.nix

@@ -1,10 +1,6 @@
-# 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,
-  pkgs,
   modulesPath,
   ...
 }:
@@ -14,19 +10,27 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usbhid" "usb_storage" "sd_mod" "sdhci_pci" ];
+  config = {
-  boot.initrd.kernelModules = [ ];
+    boot.initrd.availableKernelModules = [
-  boot.kernelModules = [ ];
+      "xhci_pci"
-  boot.extraModulePackages = [ ];
+      "nvme"
+      "usbhid"
+      "usb_storage"
+      "sd_mod"
+      "sdhci_pci"
+    ];
+    boot.initrd.kernelModules = [ ];
+    boot.kernelModules = [ ];
+    boot.extraModulePackages = [ ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
+    # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
+    # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
+    # networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
 }

nix/configuration/hosts/neelix/optimized_build.nix

@@ -1,78 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-{
-  imports = [ ];
-
-  config = lib.mkMerge [
-    { }
-    (lib.mkIf (!config.me.buildingIso) {
-      nix.settings.system-features = lib.mkForce [
-        "gccarch-alderlake"
-        "gccarch-x86-64-v3"
-        "benchmark"
-        "big-parallel"
-        "kvm"
-        "nixos-test"
-      ];
-
-      # nixpkgs.hostPlatform = {
-      #   gcc.arch = "alderlake";
-      #   gcc.tune = "alderlake";
-      #   system = "x86_64-linux";
-
-      # };
-
-      nixpkgs.overlays = [
-        (
-          self: super:
-          let
-            optimizeWithFlags =
-              pkg: flags:
-              pkg.overrideAttrs (old: {
-                NIX_CFLAGS_COMPILE = [ (old.NIX_CFLAGS_COMPILE or "") ] ++ flags;
-              });
-            addConfig =
-              additionalConfig: pkg:
-              pkg.override (oldconfig: {
-                structuredExtraConfig = pkg.structuredExtraConfig // additionalConfig;
-              });
-          in
-          {
-            linux_alderlake =
-              addConfig
-                {
-                  # Full preemption
-                  PREEMPT = lib.mkOverride 60 lib.kernel.yes;
-                  PREEMPT_VOLUNTARY = lib.mkOverride 60 lib.kernel.no;
-
-                  # Google's BBRv3 TCP congestion Control
-                  TCP_CONG_BBR = lib.kernel.yes;
-                  DEFAULT_BBR = lib.kernel.yes;
-
-                  # Preemptive Full Tickless Kernel at 300Hz
-                  HZ = lib.kernel.freeform "300";
-                  HZ_300 = lib.kernel.yes;
-                  HZ_1000 = lib.kernel.no;
-                }
-                (
-                  optimizeWithFlags super.linux_6_12 [
-                    "-march=alderlake"
-                    "-mtune=alderlake"
-                  ]
-                );
-          }
-        )
-      ];
-
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_alderlake;
-    })
-    (lib.mkIf (config.me.buildingIso) {
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_12;
-      boot.supportedFilesystems = [ "zfs" ];
-    })
-  ];
-}

nix/configuration/hosts/neelix/power_management.nix

@@ -1,6 +1,4 @@
 {
-  config,
-  lib,
   pkgs,
   ...
 }:
@@ -8,28 +6,30 @@
 {
   imports = [ ];
 
-  environment.systemPackages = with pkgs; [
+  config = {
-    powertop
+    environment.systemPackages = with pkgs; [
-  ];
+      powertop
+    ];
 
-  # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+    # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
-  # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+    # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
-  boot.kernelParams = [
+    boot.kernelParams = [
-    "pcie_aspm=force"
+      "pcie_aspm=force"
-    # "pcie_aspm.policy=powersupersave"
+      # "pcie_aspm.policy=powersupersave"
-    "nowatchdog"
+      "nowatchdog"
-  ];
+    ];
 
-  # default performance balance_performance balance_power power
+    # default performance balance_performance balance_power power
-  # defaults to balance_performance
+    # defaults to balance_performance
-  # systemd.tmpfiles.rules = [
+    # systemd.tmpfiles.rules = [
-  #   "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+    #   "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
-  #   "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+    #   "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
-  #   "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+    #   "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
-  #   "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+    #   "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
-  # ];
+    # ];
 
-  boot.extraModprobeConfig = ''
+    boot.extraModprobeConfig = ''
-    options snd_hda_intel power_save=1
+      options snd_hda_intel power_save=1
-  '';
+    '';
+  };
 }

nix/configuration/hosts/odo/DEPLOY_BOOT

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=odo
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#odo" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/DEPLOY_SWITCH

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=odo
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#odo" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/ISO

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#odo.iso" --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_BOOT

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_BUILD

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_SWITCH

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/default.nix

@@ -1,75 +1,170 @@
-{ config, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 {
   imports = [
     ./hardware-configuration.nix
-    ./disk-config.nix
+    ./wrapped-disk-config.nix
-    ./optimized_build.nix
+    ./distributed_build.nix
     ./power_management.nix
     ./screen_brightness.nix
     ./wifi.nix
+    ./framework_module.nix
   ];
 
-  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+  config = {
-  networking.hostId = "908cbf04";
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "908cbf04";
 
-  networking.hostName = "odo"; # Define your hostname.
+    networking.hostName = "odo"; # Define your hostname.
 
-  time.timeZone = "America/New_York";
+    time.timeZone = "America/New_York";
-  i18n.defaultLocale = "en_US.UTF-8";
+    i18n.defaultLocale = "en_US.UTF-8";
 
-  me.secureBoot.enable = true;
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
 
-  # Early KMS
+    # Toggle to start writing the extlinux config which will be used by zfsbootmenu
-  boot.initrd.kernelModules = [ "amdgpu" ];
+    boot.loader.generic-extlinux-compatible.enable = true;
+    boot.loader.systemd-boot.enable = lib.mkForce false;
 
-  # Mount tmpfs at /tmp
+    me.rollback.dataset = [
-  boot.tmp.useTmpfs = true;
+      "zroot/linux/nix/root@blank"
+      "zroot/linux/nix/home@blank"
+    ];
 
-  environment.systemPackages = with pkgs; [
+    me.optimizations = {
-    fw-ectool
+      enable = true;
-  ];
+      arch = "znver4";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        "gccarch-kabylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
 
-  me.alacritty.enable = true;
+    # Early KMS
-  me.ansible.enable = true;
+    boot.initrd.kernelModules = [ "amdgpu" ];
-  me.ares.enable = true;
-  me.bluetooth.enable = true;
-  me.chromecast.enable = true;
-  me.chromium.enable = true;
-  me.docker.enable = true;
-  me.emacs_flavor = "full";
-  me.firefox.enable = true;
-  me.git.config = ../../roles/git/files/gitconfig_home;
-  me.gpg.enable = true;
-  me.graphical = true;
-  me.graphics_card_type = "amd";
-  me.kanshi.enable = true;
-  me.kubernetes.enable = true;
-  me.latex.enable = true;
-  me.launch_keyboard.enable = true;
-  me.lvfs.enable = true;
-  me.media.enable = true;
-  me.nix_index.enable = true;
-  me.python.enable = true;
-  me.qemu.enable = true;
-  me.rust.enable = true;
-  me.sound.enable = true;
-  me.steam.enable = true;
-  me.sway.enable = true;
-  me.terraform.enable = true;
-  me.vnc_client.enable = true;
-  me.vscode.enable = true;
-  me.wasm.enable = true;
-  me.waybar.enable = true;
-  me.wireguard.activated = [
-    "drmario"
-    "wgh"
-    "colo"
-  ];
-  me.wireguard.deactivated = [ "wgf" ];
-  me.zrepl.enable = true;
-  me.zsh.enable = true;
 
-  me.sm64ex.enable = true;
+    # Mount tmpfs at /tmp
-  me.shipwright.enable = true;
+    boot.tmp.useTmpfs = true;
-  me.ship2harkinian.enable = true;
+
+    environment.systemPackages = with pkgs; [
+      fw-ectool
+      framework-tool
+    ];
+
+    # Enable light sensor
+    # hardware.sensor.iio.enable = lib.mkDefault true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # Only run nix builders at idle priority for a more responsive system. Do not set on servers, just end-user devices.
+    nix.daemonCPUSchedPolicy = "idle";
+
+    me.alacritty.enable = true;
+    me.amd_s2idle.enable = true;
+    me.android.enable = true;
+    me.ansible.enable = true;
+    me.ares.enable = true;
+    me.base.enable = true;
+    me.bluetooth.enable = true;
+    me.build_in_ram.enable = true;
+    me.chromecast.enable = true;
+    me.chromium.enable = true;
+    me.d2.enable = true;
+    me.direnv.enable = true;
+    me.doas.enable = true;
+    me.docker.enable = false;
+    me.dont_use_substituters.enable = true;
+    me.ecc.enable = false;
+    me.emacs_flavor = "full";
+    me.emulate_isa.enable = true;
+    me.esim.enable = true;
+    me.firefox.enable = true;
+    me.firewall.enable = true;
+    me.flux.enable = true;
+    me.font.enable = true;
+    me.gcloud.enable = true;
+    me.git.config = ../../roles/git/files/gitconfig_home;
+    me.git.enable = true;
+    me.gnuplot.enable = true;
+    me.gpg.enable = true;
+    me.graphical = true;
+    me.graphics_card_type = "amd";
+    me.graphviz.enable = true;
+    me.iso_mount.enable = true;
+    me.jujutsu.config = ../../roles/jujutsu/files/jujutsu_config_home.toml;
+    me.jujutsu.enable = true;
+    me.kanshi.enable = false;
+    me.kubernetes.enable = true;
+    me.latex.enable = true;
+    me.launch_keyboard.enable = true;
+    me.lvfs.enable = true;
+    me.media.enable = true;
+    me.memtest.enable = true;
+    me.network.enable = true;
+    me.nix_index.enable = true;
+    me.nix_repl.enable = true;
+    me.nixdev.enable = true;
+    me.nvme.enable = true;
+    me.openpgp_card_tools.enable = true;
+    me.pcsx2.enable = true;
+    me.podman.enable = true;
+    me.postgresql_client.enable = true;
+    me.python.enable = true;
+    me.qemu.enable = true;
+    me.recovery.enable = true;
+    me.rpcs3.enable = true;
+    me.rust.enable = true;
+    me.sequoia.enable = true;
+    me.shadps4.enable = false;
+    me.shikane.enable = true;
+    me.sops.enable = true;
+    me.sound.enable = true;
+    me.spaghettikart.enable = true;
+    me.ssh.enable = true;
+    me.sshd.enable = true;
+    me.steam.enable = true;
+    me.steam_run_free.enable = true;
+    me.sway.enable = true;
+    me.tekton.enable = true;
+    me.terraform.enable = true;
+    me.thunderbolt.enable = true;
+    me.user.enable = true;
+    me.uutils.enable = false;
+    me.vnc_client.enable = true;
+    me.vscode.enable = true;
+    me.wasm.enable = true;
+    me.waybar.enable = true;
+    me.webcam.enable = true;
+    me.wine.enable = false;
+    me.wireguard.activated = [
+      "drmario"
+      "wgh"
+      "colo"
+    ];
+    me.wireguard.deactivated = [ "wgf" ];
+    me.yubikey.enable = true;
+    me.zfs.enable = true;
+    me.zrepl.enable = true;
+    me.zsh.enable = true;
+
+    me.sm64ex.enable = true;
+    me.shipwright.enable = true;
+    me.ship2harkinian.enable = true;
+  };
 }

nix/configuration/hosts/odo/disk-config.nix

@@ -1,14 +1,8 @@
 # Manual Step:
 #   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
 #   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
 
-lib.mkIf (!config.me.buildingIso) {
+{
   disko.devices = {
     disk = {
       main = {
@@ -23,7 +17,7 @@ lib.mkIf (!config.me.buildingIso) {
               content = {
                 type = "filesystem";
                 format = "vfat";
-                mountpoint = "/boot";
+                mountpoint = "/efi";
                 mountOptions = [
                   "umask=0077"
                   "noatime"
@@ -82,6 +76,15 @@ lib.mkIf (!config.me.buildingIso) {
             mountpoint = "/";
             postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
           };
+          "linux/nix/boot" = {
+            type = "zfs_fs";
+            options = {
+              mountpoint = "legacy";
+              "org.zfsbootmenu:active" = "on";
+            };
+            mountpoint = "/boot";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/boot@blank$' || zfs snapshot zroot/linux/nix/boot@blank";
+          };
           "linux/nix/nix" = {
             type = "zfs_fs";
             options.mountpoint = "legacy";
@@ -126,6 +129,10 @@ lib.mkIf (!config.me.buildingIso) {
     "noatime"
     "norelatime"
   ];
+  fileSystems."/boot".options = [
+    "noatime"
+    "norelatime"
+  ];
   fileSystems."/nix".options = [
     "noatime"
     "norelatime"

nix/configuration/hosts/odo/distributed_build.nix

@@ -0,0 +1,19 @@
+{
+  imports = [ ];
+
+  config = {
+    me.distributed_build.enable = true;
+    me.distributed_build.machines.quark = {
+      enable = false;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+    me.distributed_build.machines.hydra = {
+      enable = true;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+  };
+}

nix/configuration/hosts/odo/framework_module.nix

@@ -0,0 +1,19 @@
+{
+  config,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    boot.extraModulePackages = with config.boot.kernelPackages; [
+      framework-laptop-kmod
+    ];
+    # https://github.com/DHowett/framework-laptop-kmod?tab=readme-ov-file#usage
+    boot.kernelModules = [
+      "cros_ec"
+      "cros_ec_lpcs"
+    ];
+  };
+}

nix/configuration/hosts/odo/hardware-configuration.nix

@@ -1,10 +1,6 @@
-# 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,
-  pkgs,
   modulesPath,
   ...
 }:
@@ -14,23 +10,24 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
-  boot.initrd.availableKernelModules = [
+  config = {
-    "nvme"
+    boot.initrd.availableKernelModules = [
-    "xhci_pci"
+      "nvme"
-    "thunderbolt"
+      "xhci_pci"
-  ];
+      "thunderbolt"
-  boot.initrd.kernelModules = [ ];
+    ];
-  boot.kernelModules = [ ];
+    boot.initrd.kernelModules = [ ];
-  boot.extraModulePackages = [ ];
+    boot.kernelModules = [ ];
+    boot.extraModulePackages = [ ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
+    # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
+    # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
+    # networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
 
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
 }

nix/configuration/hosts/odo/optimized_build.nix

@@ -1,81 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-{
-  imports = [ ];
-
-  config = lib.mkMerge [
-    { }
-    (lib.mkIf (!config.me.buildingIso) {
-      nix.settings.system-features = lib.mkForce [
-        "gccarch-znver4"
-        "gccarch-skylake"
-        # "gccarch-alderlake" missing WAITPKG
-        "gccarch-x86-64-v3"
-        "gccarch-x86-64-v4"
-        "benchmark"
-        "big-parallel"
-        "kvm"
-        "nixos-test"
-      ];
-
-      # nixpkgs.hostPlatform = {
-      #   gcc.arch = "znver4";
-      #   gcc.tune = "znver4";
-      #   system = "x86_64-linux";
-
-      # };
-
-      nixpkgs.overlays = [
-        (
-          self: super:
-          let
-            optimizeWithFlags =
-              pkg: flags:
-              pkg.overrideAttrs (old: {
-                NIX_CFLAGS_COMPILE = [ (old.NIX_CFLAGS_COMPILE or "") ] ++ flags;
-              });
-            addConfig =
-              additionalConfig: pkg:
-              pkg.override (oldconfig: {
-                structuredExtraConfig = pkg.structuredExtraConfig // additionalConfig;
-              });
-          in
-          {
-            linux_znver4 =
-              addConfig
-                {
-                  # Full preemption
-                  PREEMPT = lib.mkOverride 60 lib.kernel.yes;
-                  PREEMPT_VOLUNTARY = lib.mkOverride 60 lib.kernel.no;
-
-                  # Google's BBRv3 TCP congestion Control
-                  TCP_CONG_BBR = lib.kernel.yes;
-                  DEFAULT_BBR = lib.kernel.yes;
-
-                  # Preemptive Full Tickless Kernel at 300Hz
-                  HZ = lib.kernel.freeform "300";
-                  HZ_300 = lib.kernel.yes;
-                  HZ_1000 = lib.kernel.no;
-                }
-                (
-                  optimizeWithFlags super.linux_6_12 [
-                    "-march=znver4"
-                    "-mtune=znver4"
-                  ]
-                );
-          }
-        )
-      ];
-
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_znver4;
-    })
-    (lib.mkIf (config.me.buildingIso) {
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_12;
-      boot.supportedFilesystems.zfs = true;
-    })
-  ];
-}

nix/configuration/hosts/odo/power_management.nix

@@ -1,6 +1,4 @@
 {
-  config,
-  lib,
   pkgs,
   ...
 }:
@@ -8,52 +6,70 @@
 {
   imports = [ ];
 
-  environment.systemPackages = with pkgs; [
+  config = {
-    powertop
+    environment.systemPackages = with pkgs; [
-  ];
+      powertop
+    ];
 
-  # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
+    # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
-  # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+    # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
-  # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+    # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
-  # amd_pstate=passive :: Fully automated hardware pstate control.
+    # amd_pstate=passive :: Fully automated hardware pstate control.
-  # amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
+    # amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
-  # amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
+    # amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
-  # amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
+    # amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
-  boot.kernelParams = [
+    boot.kernelParams = [
-    "amdgpu.abmlevel=3"
+      "amdgpu.abmlevel=2"
-    "pcie_aspm=force"
+      "pcie_aspm=force"
-    # "pcie_aspm.policy=powersupersave"
+      # "pcie_aspm.policy=powersupersave"
-    "nowatchdog"
+      "nowatchdog"
-    # I don't see a measurable benefit from these two:
+      # I don't see a measurable benefit from these two:
-    # "cpufreq.default_governor=powersave"
+      # "cpufreq.default_governor=powersave"
-    # "initcall_blacklist=cpufreq_gov_userspace_init"
+      # "initcall_blacklist=cpufreq_gov_userspace_init"
-  ];
+    ];
 
-  systemd.tmpfiles.rules = [
+    systemd.tmpfiles.rules = [
-    "w- /sys/firmware/acpi/platform_profile - - - - low-power"
+      "w- /sys/firmware/acpi/platform_profile - - - - low-power"
-    "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
-    "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
-  ];
+      "w- /sys/devices/system/cpu/cpu0/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu1/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu2/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu3/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu4/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu5/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu6/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu7/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu8/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu9/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu10/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu11/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu12/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu13/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu14/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu15/cpufreq/boost - - - - 0"
+    ];
 
-  boot.extraModprobeConfig = ''
+    boot.extraModprobeConfig = ''
-    # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
+      # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
-    blacklist sp5100_tco
+      blacklist sp5100_tco
 
-    # Sound power-saving was causing chat notifications to be inaudible.
+      # Sound power-saving was causing chat notifications to be inaudible.
-    # options snd_hda_intel power_save=1
+      # options snd_hda_intel power_save=1
-  '';
+    '';
+  };
 }

nix/configuration/hosts/odo/screen_brightness.nix

@@ -1,14 +1,9 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
 {
   imports = [ ];
 
-  systemd.tmpfiles.rules = [
+  config = {
-    "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 85"
+    systemd.tmpfiles.rules = [
-  ];
+      "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 32767"
+    ];
+  };
 }

nix/configuration/hosts/odo/wifi.nix

@@ -1,18 +1,7 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
 {
   imports = [ ];
 
   config = {
-    environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
-      doas iw dev wlan0 set power_save off
-    '';
-
     # Enable debug logging for ath12k wifi card.
     boot.kernelParams = [
       "ath12k.debug_mask=0xffffffff"

nix/configuration/hosts/odo/wrapped-disk-config.nix

@@ -0,0 +1,7 @@
+{
+  config,
+  lib,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingPortable) (import ./disk-config.nix)

nix/configuration/hosts/odowork/DEPLOY_BOOT

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=odowork
+
+nixos-rebuild boot --flake "$DIR/../../#odowork" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/DEPLOY_SWITCH

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=odowork
+
+nixos-rebuild switch --flake "$DIR/../../#odowork" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/INSTALLER

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#odowork.installer" --repair --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/ISO

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#odowork.iso" --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/SELF_BOOT

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odowork" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/SELF_BUILD

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odowork" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/SELF_SWITCH

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odowork" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/default.nix

@@ -0,0 +1,156 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./wrapped-disk-config.nix
+    ./distributed_build.nix
+    ./power_management.nix
+    ./screen_brightness.nix
+    ./wifi.nix
+    ./framework_module.nix
+    ./ssh_config.nix
+  ];
+
+  config = {
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "133cb66e";
+
+    networking.hostName = "odowork"; # Define your hostname.
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
+
+    # Toggle to start writing the extlinux config which will be used by zfsbootmenu
+    boot.loader.generic-extlinux-compatible.enable = true;
+    boot.loader.systemd-boot.enable = lib.mkForce false;
+
+    me.rollback.dataset = [
+      "zroot/linux/nixwork/root@blank"
+      "zroot/linux/nixwork/home@blank"
+    ];
+
+    me.optimizations = {
+      enable = true;
+      arch = "znver4";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        "gccarch-kabylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Early KMS
+    boot.initrd.kernelModules = [ "amdgpu" ];
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    environment.systemPackages = with pkgs; [
+      fw-ectool
+      framework-tool
+    ];
+
+    # Enable light sensor
+    # hardware.sensor.iio.enable = lib.mkDefault true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # Only run nix builders at idle priority for a more responsive system. Do not set on servers, just end-user devices.
+    nix.daemonCPUSchedPolicy = "idle";
+
+    fonts.enableDefaultPackages = lib.mkForce true;
+    fonts.packages = with pkgs; [
+      corefonts
+    ];
+    allowedUnfree = [ "corefonts" ];
+
+    me.alacritty.enable = true;
+    me.amd_s2idle.enable = true;
+    me.android.enable = true;
+    me.ansible.enable = true;
+    me.base.enable = true;
+    me.bluetooth.enable = true;
+    me.build_in_ram.enable = true;
+    me.chromium.enable = true;
+    me.d2.enable = true;
+    me.direnv.enable = true;
+    me.doas.enable = true;
+    me.docker.enable = false;
+    me.dont_use_substituters.enable = true;
+    me.emacs_flavor = "full";
+    me.firefox.enable = true;
+    me.firewall.enable = true;
+    me.font.enable = true;
+    me.gcloud.enable = true;
+    me.git.config = ../../roles/git/files/gitconfig_work;
+    me.git.enable = true;
+    me.gnome_keyring.enable = true;
+    me.gnuplot.enable = true;
+    me.gpg.enable = true;
+    me.graphical = true;
+    me.graphics_card_type = "amd";
+    me.graphviz.enable = true;
+    me.iso_mount.enable = true;
+    me.jujutsu.config = ../../roles/jujutsu/files/jujutsu_config_home.toml;
+    me.jujutsu.enable = true;
+    me.latex.enable = true;
+    me.launch_keyboard.enable = true;
+    me.lvfs.enable = true;
+    me.media.enable = true;
+    me.memtest.enable = true;
+    me.network.enable = true;
+    me.nix_index.enable = true;
+    me.nix_repl.enable = true;
+    me.nixdev.enable = true;
+    me.nvme.enable = true;
+    me.openpgp_card_tools.enable = true;
+    me.podman.enable = true;
+    me.postgresql_client.enable = true;
+    me.python.enable = true;
+    me.rust.enable = true;
+    me.sequoia.enable = true;
+    me.shikane.enable = true;
+    me.sops.enable = true;
+    me.sound.enable = true;
+    me.ssh.enable = true;
+    me.sshd.enable = true;
+    me.steam_run_free.enable = true;
+    me.sway.enable = true;
+    me.terraform.enable = true;
+    me.thunderbolt.enable = true;
+    me.user.enable = true;
+    me.vscode.enable = true;
+    me.vscode.enable_work_profile = true;
+    me.waybar.enable = true;
+    me.webcam.enable = true;
+    me.wireguard.activated = [
+      "wgh"
+    ];
+    me.wireguard.deactivated = [
+      "wgf"
+      "colo"
+    ];
+    me.yubikey.enable = true;
+    me.zfs.enable = true;
+    me.zrepl.enable = true;
+    me.zsh.enable = true;
+  };
+}

nix/configuration/hosts/odowork/disk-config.nix

@@ -0,0 +1,155 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/efi";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nixwork" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              encryption = "aes-256-gcm";
+              keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nixwork/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nixwork/root@blank$' || zfs snapshot zroot/linux/nixwork/root@blank";
+          };
+          "linux/nixwork/boot" = {
+            type = "zfs_fs";
+            options = {
+              mountpoint = "legacy";
+              "org.zfsbootmenu:active" = "on";
+            };
+            mountpoint = "/boot";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nixwork/boot@blank$' || zfs snapshot zroot/linux/nixwork/boot@blank";
+          };
+          "linux/nixwork/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nixwork/nix@blank$' || zfs snapshot zroot/linux/nixwork/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nixwork/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nixwork/home@blank$' || zfs snapshot zroot/linux/nixwork/home@blank";
+          };
+          "linux/nixwork/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nixwork/persist@blank$' || zfs snapshot zroot/linux/nixwork/persist@blank";
+          };
+          "linux/nixwork/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nixwork/state@blank$' || zfs snapshot zroot/linux/nixwork/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/boot".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nixwork" ];
+}

nix/configuration/hosts/odowork/distributed_build.nix

@@ -0,0 +1,19 @@
+{
+  imports = [ ];
+
+  config = {
+    me.distributed_build.enable = true;
+    me.distributed_build.machines.quark = {
+      enable = false;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+    me.distributed_build.machines.hydra = {
+      enable = true;
+      additional_config = {
+        speedFactor = 2;
+      };
+    };
+  };
+}

nix/configuration/hosts/odowork/framework_module.nix

@@ -0,0 +1,19 @@
+{
+  config,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    boot.extraModulePackages = with config.boot.kernelPackages; [
+      framework-laptop-kmod
+    ];
+    # https://github.com/DHowett/framework-laptop-kmod?tab=readme-ov-file#usage
+    boot.kernelModules = [
+      "cros_ec"
+      "cros_ec_lpcs"
+    ];
+  };
+}

nix/configuration/hosts/odowork/hardware-configuration.nix

@@ -0,0 +1,33 @@
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  config = {
+    boot.initrd.availableKernelModules = [
+      "nvme"
+      "xhci_pci"
+      "thunderbolt"
+    ];
+    boot.initrd.kernelModules = [ ];
+    boot.kernelModules = [ ];
+    boot.extraModulePackages = [ ];
+
+    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+    # (the default) this is the recommended approach. When using systemd-networkd it's
+    # still possible to use this option, but it's recommended to use it in conjunction
+    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+    # networking.useDHCP = lib.mkDefault true;
+    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+    # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
+
+    hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
+}

nix/configuration/hosts/odowork/power_management.nix

@@ -0,0 +1,75 @@
+{
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    environment.systemPackages = with pkgs; [
+      powertop
+    ];
+
+    # amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
+    # pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
+    # nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
+    # amd_pstate=passive :: Fully automated hardware pstate control.
+    # amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
+    # amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
+    # amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
+    boot.kernelParams = [
+      "amdgpu.abmlevel=2"
+      "pcie_aspm=force"
+      # "pcie_aspm.policy=powersupersave"
+      "nowatchdog"
+      # I don't see a measurable benefit from these two:
+      # "cpufreq.default_governor=powersave"
+      # "initcall_blacklist=cpufreq_gov_userspace_init"
+    ];
+
+    systemd.tmpfiles.rules = [
+      "w- /sys/firmware/acpi/platform_profile - - - - low-power"
+      "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
+      "w- /sys/devices/system/cpu/cpu0/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu1/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu2/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu3/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu4/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu5/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu6/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu7/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu8/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu9/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu10/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu11/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu12/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu13/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu14/cpufreq/boost - - - - 0"
+      "w- /sys/devices/system/cpu/cpu15/cpufreq/boost - - - - 0"
+    ];
+
+    boot.extraModprobeConfig = ''
+      # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
+      blacklist sp5100_tco
+
+      # Sound power-saving was causing chat notifications to be inaudible.
+      # options snd_hda_intel power_save=1
+    '';
+  };
+}

nix/configuration/hosts/odowork/screen_brightness.nix

@@ -0,0 +1,9 @@
+{
+  imports = [ ];
+
+  config = {
+    systemd.tmpfiles.rules = [
+      "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 32767"
+    ];
+  };
+}

nix/configuration/hosts/odowork/ssh_config.nix

@@ -0,0 +1,15 @@
+{
+  lib,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = {
+    me.install.user.talexander.file = {
+      ".ssh/config" = {
+        source = lib.mkForce "/persist/manual/ssh/talexander/config";
+      };
+    };
+  };
+}

nix/configuration/hosts/odowork/wifi.nix

@@ -0,0 +1,10 @@
+{
+  imports = [ ];
+
+  config = {
+    # Enable debug logging for ath12k wifi card.
+    boot.kernelParams = [
+      "ath12k.debug_mask=0xffffffff"
+    ];
+  };
+}

nix/configuration/hosts/odowork/wrapped-disk-config.nix

@@ -0,0 +1,7 @@
+{
+  config,
+  lib,
+  ...
+}:
+
+lib.mkIf (!config.me.buildingPortable) (import ./disk-config.nix)

nix/configuration/hosts/quark/DEPLOY_BOOT

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=quark
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild boot --flake "$DIR/../../#quark" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/DEPLOY_SWITCH

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+TARGET=quark
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+
+nixos-rebuild switch --flake "$DIR/../../#quark" --target-host "$TARGET" --build-host "$TARGET" --sudo --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/ISO

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#quark.iso" --max-jobs "$JOBS" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_BOOT

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_BUILD

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_SWITCH

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+: "${JOBS:="1"}"
+
+for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --repair --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/default.nix

@@ -0,0 +1,165 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./wrapped-disk-config.nix
+    ./distributed_build.nix
+    ./hardware-configuration.nix
+    ./power_management.nix
+    ./waybar.nix
+  ];
+
+  config = {
+    # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+    networking.hostId = "47ee7d7c";
+
+    networking.hostName = "quark"; # Define your hostname.
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
+
+    # Toggle to start writing the extlinux config which will be used by zfsbootmenu
+    boot.loader.generic-extlinux-compatible.enable = true;
+    boot.loader.systemd-boot.enable = lib.mkForce false;
+
+    me.rollback.dataset = [
+      "zroot/linux/nix/root@blank"
+      "zroot/linux/nix/home@blank"
+    ];
+
+    me.optimizations = {
+      enable = true;
+      arch = "znver4";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-znver5"
+        "gccarch-skylake"
+        "gccarch-kabylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Early KMS
+    boot.initrd.kernelModules = [ "amdgpu" ];
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # Only run nix builders at idle priority for a more responsive system. Do not set on servers, just end-user devices.
+    nix.daemonCPUSchedPolicy = "idle";
+
+    # RPCS3 has difficulty with znver5
+    me.rpcs3.config.Core."Use LLVM CPU" = "znver4";
+
+    me.alacritty.enable = true;
+    me.amd_s2idle.enable = true;
+    me.ansible.enable = true;
+    me.android.enable = true;
+    me.ares.enable = true;
+    me.base.enable = true;
+    me.bluetooth.enable = true;
+    me.build_in_ram.enable = true;
+    me.chromecast.enable = true;
+    me.chromium.enable = true;
+    me.d2.enable = true;
+    me.direnv.enable = true;
+    me.doas.enable = true;
+    me.docker.enable = false;
+    me.dont_use_substituters.enable = true;
+    me.ecc.enable = true;
+    me.emacs_flavor = "full";
+    me.emulate_isa.enable = true;
+    me.esim.enable = true;
+    me.firefox.enable = true;
+    me.firewall.enable = true;
+    me.flux.enable = true;
+    me.font.enable = true;
+    me.gcloud.enable = true;
+    me.git.config = ../../roles/git/files/gitconfig_home;
+    me.git.enable = true;
+    me.gnuplot.enable = true;
+    me.gpg.enable = true;
+    me.graphical = true;
+    me.graphics_card_type = "amd";
+    me.graphviz.enable = true;
+    me.iso_mount.enable = true;
+    me.jujutsu.config = ../../roles/jujutsu/files/jujutsu_config_home.toml;
+    me.jujutsu.enable = true;
+    me.kanshi.enable = false;
+    me.kubernetes.enable = true;
+    me.latex.enable = true;
+    me.launch_keyboard.enable = true;
+    me.lvfs.enable = true;
+    me.media.enable = true;
+    me.memtest.enable = true;
+    me.network.enable = true;
+    me.nix_index.enable = true;
+    me.nix_repl.enable = true;
+    me.nix_worker.enable = true;
+    me.nixdev.enable = true;
+    me.nvme.enable = true;
+    me.openpgp_card_tools.enable = true;
+    me.pcsx2.enable = true;
+    me.podman.enable = true;
+    me.postgresql_client.enable = true;
+    me.python.enable = true;
+    me.qemu.enable = true;
+    me.recovery.enable = true;
+    me.rpcs3.enable = true;
+    me.rust.enable = true;
+    me.sequoia.enable = true;
+    me.shadps4.enable = false;
+    me.shikane.enable = true;
+    me.sops.enable = true;
+    me.sound.enable = true;
+    me.spaghettikart.enable = true;
+    me.ssh.enable = true;
+    me.sshd.enable = true;
+    me.steam.enable = true;
+    me.steam_run_free.enable = true;
+    me.sway.enable = true;
+    me.tekton.enable = true;
+    me.terraform.enable = true;
+    me.thunderbolt.enable = true;
+    me.user.enable = true;
+    me.uutils.enable = false;
+    me.vnc_client.enable = true;
+    me.vscode.enable = true;
+    me.wasm.enable = true;
+    me.waybar.enable = true;
+    me.webcam.enable = true;
+    me.wine.enable = false;
+    me.wireguard.activated = [
+      "drmario"
+      "wgh"
+      "colo"
+    ];
+    me.wireguard.deactivated = [ "wgf" ];
+    me.yubikey.enable = true;
+    me.zfs.enable = true;
+    me.zrepl.enable = true;
+    me.zsh.enable = true;
+
+    me.sm64ex.enable = true;
+    me.shipwright.enable = true;
+    me.ship2harkinian.enable = true;
+  };
+}

nix/configuration/hosts/quark/disk-config.nix

@@ -0,0 +1,150 @@
+# Manual Step:
+#   Check if drive supports 4kn: nvme id-ns -H /dev/nvme0n1
+#   Format the drive to 4kn: nvme format --lbaf=1 /dev/nvme0n1
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "1G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/efi";
+                mountOptions = [
+                  "umask=0077"
+                  "noatime"
+                  "discard"
+                ];
+              };
+            };
+            zfs = {
+              size = "100%";
+              content = {
+                type = "zfs";
+                pool = "zroot";
+              };
+            };
+          };
+        };
+      };
+    };
+    zpool = {
+      zroot = {
+        type = "zpool";
+        # mode = "mirror";
+        # Workaround: cannot import 'zroot': I/O error in disko tests
+        options.cachefile = "none";
+        options = {
+          ashift = "12";
+          compatibility = "openzfs-2.2-freebsd";
+          autotrim = "on";
+        };
+        rootFsOptions = {
+          acltype = "posixacl";
+          atime = "off";
+          relatime = "off";
+          xattr = "sa";
+          mountpoint = "none";
+          compression = "lz4";
+          canmount = "off";
+          utf8only = "on";
+          dnodesize = "auto";
+          normalization = "formD";
+        };
+
+        datasets = {
+          "linux/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "none";
+            options = {
+              encryption = "aes-256-gcm";
+              keyformat = "passphrase";
+              # keylocation = "file:///tmp/secret.key";
+            };
+          };
+          "linux/nix/root" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/root@blank$' || zfs snapshot zroot/linux/nix/root@blank";
+          };
+          "linux/nix/boot" = {
+            type = "zfs_fs";
+            options = {
+              mountpoint = "legacy";
+              "org.zfsbootmenu:active" = "on";
+            };
+            mountpoint = "/boot";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/boot@blank$' || zfs snapshot zroot/linux/nix/boot@blank";
+          };
+          "linux/nix/nix" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/nix";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/nix@blank$' || zfs snapshot zroot/linux/nix/nix@blank";
+            options = {
+              recordsize = "16MiB";
+              compression = "zstd-19";
+            };
+          };
+          "linux/nix/home" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/home";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/home@blank$' || zfs snapshot zroot/linux/nix/home@blank";
+          };
+          "linux/nix/persist" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/persist";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/persist@blank$' || zfs snapshot zroot/linux/nix/persist@blank";
+          };
+          "linux/nix/state" = {
+            type = "zfs_fs";
+            options.mountpoint = "legacy";
+            mountpoint = "/state";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot/linux/nix/state@blank$' || zfs snapshot zroot/linux/nix/state@blank";
+          };
+        };
+      };
+    };
+  };
+
+  # Make sure all persistent volumes are marked as neededForBoot
+  #
+  # Also mounts /home so it is mounted before the user home directories are created.
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/state".neededForBoot = true;
+  fileSystems."/home".neededForBoot = true;
+
+  fileSystems."/".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/nix".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/persist".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/state".options = [
+    "noatime"
+    "norelatime"
+  ];
+  fileSystems."/home".options = [
+    "noatime"
+    "norelatime"
+  ];
+
+  # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
+  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+}