Automatically set distributed build's supportedFeatures based on that host's actual config.

Previously, we had two copies of the supported features for each host.

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/configuration.nix

@@ -1,7 +1,6 @@
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 
@@ -12,20 +11,27 @@
     ./roles/amd_s2idle
     ./roles/ansible
     ./roles/ares
+    ./roles/base
     ./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/firefox
     ./roles/firewall
     ./roles/flux
     ./roles/fonts
+    ./roles/image_based_appliance
     ./roles/gcloud
     ./roles/git
     ./roles/global_options
@@ -35,6 +41,7 @@
     ./roles/hydra
     ./roles/iso
     ./roles/iso_mount
+    ./roles/jujutsu
     ./roles/kanshi
     ./roles/kodi
     ./roles/kubernetes
@@ -43,35 +50,46 @@
     ./roles/lvfs
     ./roles/media
     ./roles/memtest86
+    ./roles/minimal_base
     ./roles/network
     ./roles/nix_index
     ./roles/nix_worker
     ./roles/nvme
+    ./roles/openpgp_card_tools
     ./roles/optimized_build
     ./roles/pcsx2
+    ./roles/podman
     ./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/waybar
+    ./roles/wine
     ./roles/wireguard
+    ./roles/yubikey
     ./roles/zfs
     ./roles/zrepl
     ./roles/zsh
@@ -79,54 +97,23 @@
     ./util/unfree_polyfill
   ];
 
+  config = {
     nix.settings.experimental-features = [
       "nix-command"
       "flakes"
     ];
     nix.settings.trusted-users = [ "@wheel" ];
 
-  # boot.kernelPackages = pkgs.linuxPackages_6_11;
     hardware.enableRedistributableFirmware = true;
 
-  # Use nixos-rebuild-ng
-  # system.rebuild.enableNg = true;
-
     # Keep outputs so we can build offline.
     nix.extraOptions = ''
       keep-outputs = true
       keep-derivations = true
     '';
 
-  # Technically only needed when building the ISO because nix detects ZFS in the filesystem list normally. I basically always want this so I'm just setting it to always be on.
-  boot.supportedFilesystems.zfs = true;
-  # TODO: Is this different from boot.supportedFilesystems = [ "zfs" ]; ?
-
-  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`
-    hashedPassword = "$7$CU..../....VXvNQ8za3wSGpdzGXNT50/$HcFtn/yvwPMCw4888BelpiAPLAxe/zU87fD.d/N6U48";
-    openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGu+k5lrirokdW5zVdRVBOqEOAvAPlIkG/MdJNc9g5ky"
-      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIEI6mu6I5Jp+Ib0vJxapGHbEShZjyvzV8jz5DnzDrI39AAAABHNzaDo="
-      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAFNcSXwvy+brYTOGo56G93Ptuq2MmZsjvRWAfMqbmMLAAAABHNzaDo="
-    ];
-  };
-  users.groups.talexander.gid = 11235;
-
     # Automatic garbage collection
-  nix.gc = lib.mkIf (!config.me.buildingIso) {
+    nix.gc = lib.mkIf (!config.me.buildingPortable) {
       # Runs nix-collect-garbage --delete-older-than 5d
       automatic = true;
       persistent = true;
@@ -134,115 +121,28 @@
       # randomizedDelaySec = "14m";
       options = "--delete-older-than 30d";
     };
-  nix.settings.auto-optimise-store = !config.me.buildingIso;
+    nix.settings.auto-optimise-store = !config.me.buildingPortable;
 
-  # Use doas instead of sudo
+    environment.persistence."/persist" = lib.mkIf (config.me.mountPersistence) {
-  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 # Disabled because it uses more than 48GB of /tmp space during test phase.
-    trace-cmd # ftrace
-    tcpdump
-    git-crypt
-    gnumake
-    ncdu
-    nix-tree
-    libarchive # bsdtar
-    lsof
-    doas-sudo-shim # To support --use-remote-sudo for remote builds
-    dmidecode # Read SMBIOS information.
-    ipcalc
-    gptfdisk # for cgdisk
-    nix-output-monitor # For better view into nixos-rebuild
-    nix-serve-ng # Serve nix store over http
-  ];
-
-  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) {
       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 = [
-        {
-          directory = "persist";
-          user = "talexander";
-          group = "talexander";
-          mode = "0700";
-        }
-      ];
-    };
     };
 
     # Write a list of the currently installed packages to /etc/current-system-packages
-  environment.etc."current-system-packages".text =
+    # environment.etc."current-system-packages".text =
-    let
+    #   let
-      packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
+    #     packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
-      sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
+    #     sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
-      formatted = builtins.concatStringsSep "\n" sortedUnique;
+    #     formatted = builtins.concatStringsSep "\n" sortedUnique;
-    in
+    #   in
-    formatted;
+    #   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: {
@@ -250,10 +150,41 @@
     #   })
     # ];
 
-  # Copy the NixOS configuration file and link it from the resulting system
+    nixpkgs.overlays =
-  # (/run/current-system/configuration.nix). This is useful in case you
+      let
-  # accidentally delete configuration.nix.
+        disableTests = (
-  # system.copySystemConfiguration = true;
+          package_name:
+          (final: prev: {
+            "${package_name}" = prev."${package_name}".overrideAttrs (old: {
+              doCheck = false;
+              doInstallCheck = false;
+            });
+          })
+        );
+      in
+      [
+        (final: prev: {
+          imagemagick = prev.imagemagick.overrideAttrs (old: rec {
+            # 7.1.2-6 seems to no longer exist, so use 7.1.2-7
+            version = "7.1.2-7";
+
+            src = final.fetchFromGitHub {
+              owner = "ImageMagick";
+              repo = "ImageMagick";
+              tag = version;
+              hash = "sha256-9ARCYftoXiilpJoj+Y+aLCEqLmhHFYSrHfgA5DQHbGo=";
+            };
+          });
+        })
+        (final: prev: {
+          grub2 = (final.callPackage ./package/grub { });
+        })
+        (final: prev: {
+          rpcs3 = prev.rpcs3.override {
+            ffmpeg = final.ffmpeg_7;
+          };
+        })
+      ];
 
     # 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.
@@ -273,5 +204,5 @@
     #
     # 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

@@ -1,22 +1,5 @@
 {
   "nodes": {
-    "ansible-sshjail": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "path": "flakes/ansible-sshjail",
-        "type": "path"
-      },
-      "original": {
-        "path": "flakes/ansible-sshjail",
-        "type": "path"
-      },
-      "parent": []
-    },
     "crane": {
       "locked": {
         "lastModified": 1731098351,
@@ -39,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758160037,
+        "lastModified": 1762276996,
-        "narHash": "sha256-fXelTdjdILspZ1IUU9aICB1+PXwSFiF8j+7ujwo1VpQ=",
+        "narHash": "sha256-TtcPgPmp2f0FAnc+DMEw4ardEgv1SGNR3/WFGH0N19M=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "4f554162fff88e77655073d352eec0cea71103a2",
+        "rev": "af087d076d3860760b3323f6b583f4d828c1ac17",
         "type": "github"
       },
       "original": {
@@ -89,42 +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": [
@@ -190,33 +137,17 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1758242085,
+        "lastModified": 1762977756,
-        "narHash": "sha256-hnrtEiy8qLMskZr0FBp0vbtMJ9xA4HvDdzuFRLxRiFg=",
+        "narHash": "sha256-4PqRErxfe+2toFJFgcRKZ0UI9NSIOJa+7RXVtBhy4KE=",
-        "ref": "og-amd-debug-tools",
-        "rev": "7b0f433195e299008850d16e85a862177419cef6",
-        "revCount": 862645,
-        "type": "git",
-        "url": "https://github.com/tomalexander/nixpkgs.git"
-      },
-      "original": {
-        "ref": "og-amd-debug-tools",
-        "type": "git",
-        "url": "https://github.com/tomalexander/nixpkgs.git"
-      }
-    },
-    "nixpkgs-dda3dcd3f": {
-      "locked": {
-        "lastModified": 1746663147,
-        "narHash": "sha256-Ua0drDHawlzNqJnclTJGf87dBmaO/tn7iZ+TCkTRpRc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dda3dcd3fe03e991015e9a74b22d35950f264a54",
+        "rev": "c5ae371f1a6a7fd27823bc500d9390b38c05fa55",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
-        "rev": "dda3dcd3fe03e991015e9a74b22d35950f264a54",
         "type": "github"
       }
     },
@@ -238,18 +169,18 @@
     },
     "nixpkgs-unoptimized": {
       "locked": {
-        "lastModified": 1758242085,
+        "lastModified": 1762977756,
-        "narHash": "sha256-hnrtEiy8qLMskZr0FBp0vbtMJ9xA4HvDdzuFRLxRiFg=",
+        "narHash": "sha256-4PqRErxfe+2toFJFgcRKZ0UI9NSIOJa+7RXVtBhy4KE=",
-        "ref": "og-amd-debug-tools",
+        "owner": "NixOS",
-        "rev": "7b0f433195e299008850d16e85a862177419cef6",
+        "repo": "nixpkgs",
-        "revCount": 862645,
+        "rev": "c5ae371f1a6a7fd27823bc500d9390b38c05fa55",
-        "type": "git",
+        "type": "github"
-        "url": "https://github.com/tomalexander/nixpkgs.git"
       },
       "original": {
-        "ref": "og-amd-debug-tools",
+        "owner": "NixOS",
-        "type": "git",
+        "ref": "nixos-unstable",
-        "url": "https://github.com/tomalexander/nixpkgs.git"
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "pre-commit-hooks-nix": {
@@ -281,14 +212,11 @@
     },
     "root": {
       "inputs": {
-        "ansible-sshjail": "ansible-sshjail",
         "disko": "disko",
         "impermanence": "impermanence",
         "lanzaboote": "lanzaboote",
         "nixpkgs": "nixpkgs",
-        "nixpkgs-dda3dcd3f": "nixpkgs-dda3dcd3f",
+        "nixpkgs-unoptimized": "nixpkgs-unoptimized"
-        "nixpkgs-unoptimized": "nixpkgs-unoptimized",
-        "zsh-histdb": "zsh-histdb"
       }
     },
     "rust-overlay": {
@@ -311,53 +239,6 @@
         "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": {
-        "path": "flakes/zsh-histdb",
-        "type": "path"
-      },
-      "original": {
-        "path": "flakes/zsh-histdb",
-        "type": "path"
-      },
-      "parent": []
     }
   },
   "root": "root",

nix/configuration/flake.nix

@@ -1,68 +1,28 @@
-# Build ISO image
-#   nix build --extra-experimental-features nix-command --extra-experimental-features flakes .#iso.odo
-#   output: result/iso/nixos.iso
-
-# Run the ISO image
-#   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 "$(readlink -f ./result/iso/nixos*.iso)" \
-#        -display vnc=127.0.0.1:0
-#
-# doas cp "$(nix-build '<nixpkgs>' --no-out-link -A 'OVMF.fd')/FV/OVMF_VARS.fd" /tmp/OVMF_VARS.fd
-# 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
-
 # Get a repl for this flake
 #   nix repl --expr "builtins.getFlake \"$PWD\""
 
-# TODO maybe use `nix eval --raw .#iso.odo.outPath`
+# TODO maybe use `nix eval --raw .#odo.iso.outPath`
-# iso.odo.isoName == "nixos.iso"
-# full path = <outPath> / iso / <isoName>
 
 #
 # Install on a new machine:
 #
+# Set
+#   me.disko.enable = true;
+#   me.disko.offline.enable = true;
 #
-# doas nix --substituters "http://10.0.2.2:8080?trusted=1 https://cache.nixos.org/" --experimental-features "nix-command flakes" run github:nix-community/disko/latest -- --mode destroy,format,mount hosts/odo/disk-config.nix
+# Run
-
+#   doas disko --mode destroy,format,mount hosts/recovery/disk-config.nix
-# nix flake update zsh-histdb --flake .
+#   doas nixos-install --substituters "http://10.0.2.2:8080?trusted=1 https://cache.nixos.org/" --flake ".#recovery"
-# nix flake update ansible-sshjail --flake .
-# for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-# nixos-install --substituters "http://10.0.2.2:8080?trusted=1 https://cache.nixos.org/" --flake ".#vm_ionlybootzfs"
-#
 
 {
   description = "My system configuration";
 
   inputs = {
     impermanence.url = "github:nix-community/impermanence";
-    # nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    # nixpkgs.url = "github:tomalexander/nixpkgs/amd-debug-tools";
+    nixpkgs-unoptimized.url = "github:NixOS/nixpkgs/nixos-unstable";
-    nixpkgs.url = "git+https://github.com/tomalexander/nixpkgs.git?ref=og-amd-debug-tools";
-    nixpkgs-dda3dcd3f.url = "github:NixOS/nixpkgs/dda3dcd3fe03e991015e9a74b22d35950f264a54";
-    nixpkgs-unoptimized.url = "git+https://github.com/tomalexander/nixpkgs.git?ref=og-amd-debug-tools";
     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 = {
-      url = "path:flakes/zsh-histdb";
-
-      # 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";
     };
     disko = {
@@ -76,22 +36,43 @@
       self,
       nixpkgs,
       nixpkgs-unoptimized,
-      nixpkgs-dda3dcd3f,
+      disko,
       impermanence,
       lanzaboote,
-      zsh-histdb,
-      ansible-sshjail,
       ...
-    }@inputs:
+    }:
     let
-      base_x86_64_linux = rec {
+      forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
+      nodes = {
+        odo = {
           system = "x86_64-linux";
-        specialArgs = {
-          pkgs-dda3dcd3f = import nixpkgs-dda3dcd3f {
-            inherit system;
         };
+        odowork = {
+          system = "x86_64-linux";
+        };
+        quark = {
+          system = "x86_64-linux";
+        };
+        recovery = {
+          system = "x86_64-linux";
+        };
+        i_only_boot_zfs = {
+          system = "x86_64-linux";
+        };
+      };
+      nixosConfigs = builtins.mapAttrs (
+        hostname: nodeConfig: format:
+        nixpkgs.lib.nixosSystem {
+          inherit (nodeConfig) system;
+          specialArgs = {
+            inherit self;
+
+            this_nixos_config = self.nixosConfigurations."${hostname}";
+
+            all_nixos_configs = self.nixosConfigurations;
+
             pkgs-unoptimized = import nixpkgs-unoptimized {
-            inherit system;
+              inherit (nodeConfig) system;
               hostPlatform.gcc.arch = "default";
               hostPlatform.gcc.tune = "default";
             };
@@ -99,168 +80,27 @@
           modules = [
             impermanence.nixosModules.impermanence
             lanzaboote.nixosModules.lanzaboote
-          inputs.disko.nixosModules.disko
+            disko.nixosModules.disko
-          {
-            nixpkgs.overlays = [
-              zsh-histdb.overlays.default
-              ansible-sshjail.overlays.default
-            ];
-          }
             ./configuration.nix
+            (./. + "/hosts/${hostname}")
+            (./. + "/formats/${format}.nix")
           ];
-      };
-      systems =
-        let
-          additional_iso_modules = [
-            (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;
-              me.optimizations.enable = nixpkgs.lib.mkForce false;
         }
-            {
+      ) nodes;
-              # These are big space hogs. The chance that I need them on an ISO is slim.
-              me.steam.enable = nixpkgs.lib.mkForce false;
-              me.pcsx2.enable = nixpkgs.lib.mkForce false;
-            }
-          ];
-          additional_vm_modules = [
-            (nixpkgs + "/nixos/modules/profiles/qemu-guest.nix")
-            {
-              networking.dhcpcd.enable = true;
-              networking.useDHCP = true;
-              me.optimizations.enable = nixpkgs.lib.mkForce false;
-            }
-            {
-              # I don't need games on a virtual machine.
-              me.steam.enable = nixpkgs.lib.mkForce false;
-              me.pcsx2.enable = nixpkgs.lib.mkForce false;
-              me.sm64ex.enable = nixpkgs.lib.mkForce false;
-              me.shipwright.enable = nixpkgs.lib.mkForce false;
-              me.ship2harkinian.enable = nixpkgs.lib.mkForce false;
-            }
-          ];
     in
     {
-          odo = rec {
+      nixosConfigurations = (builtins.mapAttrs (name: value: value "toplevel") nixosConfigs);
-            main = base_x86_64_linux // {
-              modules = base_x86_64_linux.modules ++ [
-                ./hosts/odo
-              ];
-            };
-            iso = main // {
-              modules = main.modules ++ additional_iso_modules;
-            };
-            vm = main // {
-              modules = main.modules ++ additional_vm_modules;
-            };
-            vm_iso = main // {
-              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
-            };
-          };
-          quark = rec {
-            main = base_x86_64_linux // {
-              modules = base_x86_64_linux.modules ++ [
-                ./hosts/quark
-              ];
-            };
-            iso = main // {
-              modules = main.modules ++ additional_iso_modules;
-            };
-            vm = main // {
-              modules = main.modules ++ additional_vm_modules;
-            };
-            vm_iso = main // {
-              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
-            };
-          };
-          neelix = rec {
-            main = base_x86_64_linux // {
-              modules = base_x86_64_linux.modules ++ [
-                ./hosts/neelix
-              ];
-            };
-            iso = main // {
-              modules = main.modules ++ additional_iso_modules;
-            };
-            vm = main // {
-              modules = main.modules ++ additional_vm_modules;
-            };
-            vm_iso = main // {
-              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
-            };
-          };
-          hydra =
-            let
-              additional_iso_modules = additional_iso_modules ++ [
-                {
-                  me.optimizations.enable = true;
     }
-              ];
+    // {
-            in
+      packages = (
-            rec {
+        forAllSystems (
-              main = base_x86_64_linux // {
+          system:
-                modules = base_x86_64_linux.modules ++ [
+          (builtins.mapAttrs (hostname: nodeConfig: {
-                  ./hosts/hydra
+            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;
-              iso = main // {
+          }) (nixpkgs.lib.attrsets.filterAttrs (hostname: nodeConfig: nodeConfig.system == system) nodes))
-                modules = main.modules ++ additional_iso_modules;
+        )
-              };
+      );
-              vm = main // {
-                modules = main.modules ++ additional_vm_modules;
-              };
-              vm_iso = main // {
-                modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
-              };
-            };
-          ionlybootzfs = rec {
-            main = base_x86_64_linux // {
-              modules = base_x86_64_linux.modules ++ [
-                ./hosts/ionlybootzfs
-              ];
-            };
-            iso = main // {
-              modules = main.modules ++ additional_iso_modules;
-            };
-            vm = main // {
-              modules = main.modules ++ additional_vm_modules;
-            };
-            vm_iso = main // {
-              modules = main.modules ++ additional_vm_modules ++ additional_iso_modules;
-            };
-          };
-
-        };
-    in
-    {
-      nixosConfigurations.odo = nixpkgs.lib.nixosSystem systems.odo.main;
-      iso.odo = (nixpkgs.lib.nixosSystem systems.odo.iso).config.system.build.isoImage;
-      nixosConfigurations.vm_odo = nixpkgs.lib.nixosSystem systems.odo.vm;
-      vm_iso.odo = (nixpkgs.lib.nixosSystem systems.odo.vm_iso).config.system.build.isoImage;
-
-      nixosConfigurations.quark = nixpkgs.lib.nixosSystem systems.quark.main;
-      iso.quark = (nixpkgs.lib.nixosSystem systems.quark.iso).config.system.build.isoImage;
-      nixosConfigurations.vm_quark = nixpkgs.lib.nixosSystem systems.quark.vm;
-      vm_iso.quark = (nixpkgs.lib.nixosSystem systems.quark.vm_iso).config.system.build.isoImage;
-
-      nixosConfigurations.neelix = nixpkgs.lib.nixosSystem systems.neelix.main;
-      iso.neelix = (nixpkgs.lib.nixosSystem systems.neelix.iso).config.system.build.isoImage;
-      nixosConfigurations.vm_neelix = nixpkgs.lib.nixosSystem systems.neelix.vm;
-      vm_iso.neelix = (nixpkgs.lib.nixosSystem systems.neelix.vm_iso).config.system.build.isoImage;
-
-      nixosConfigurations.hydra = nixpkgs.lib.nixosSystem systems.hydra.main;
-      iso.hydra = (nixpkgs.lib.nixosSystem systems.hydra.iso).config.system.build.isoImage;
-      nixosConfigurations.vm_hydra = nixpkgs.lib.nixosSystem systems.hydra.vm;
-      vm_iso.hydra = (nixpkgs.lib.nixosSystem systems.hydra.vm_iso).config.system.build.isoImage;
-
-      nixosConfigurations.ionlybootzfs = nixpkgs.lib.nixosSystem systems.ionlybootzfs.main;
-      iso.ionlybootzfs = (nixpkgs.lib.nixosSystem systems.ionlybootzfs.iso).config.system.build.isoImage;
-      nixosConfigurations.vm_ionlybootzfs = nixpkgs.lib.nixosSystem systems.ionlybootzfs.vm;
-      vm_iso.ionlybootzfs =
-        (nixpkgs.lib.nixosSystem systems.ionlybootzfs.vm_iso).config.system.build.isoImage;
     };
 }

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/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/iso.nix

@@ -0,0 +1,31 @@
+{
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  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;
+  };
+}

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/hydra/DEPLOY_BOOT

@@ -10,10 +10,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # TARGET=192.168.211.250
 TARGET=hydra
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild boot --flake "$DIR/../../#hydra" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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#hydra'

nix/configuration/hosts/hydra/DEPLOY_SWITCH

@@ -10,10 +10,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # TARGET=192.168.211.250
 TARGET=hydra
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild switch --flake "$DIR/../../#hydra" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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#hydra'

nix/configuration/hosts/hydra/ISO

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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/../..#iso.hydra" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/hydra/VM_ISO

@@ -0,0 +1,13 @@
+#!/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 "$DIR/../..#vm_iso.hydra" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+
+install -m 0644 result/iso/nixos-*-x86_64-linux.iso ~/hydra.iso
+unlink ./result

nix/configuration/hosts/hydra/default.nix

@@ -14,20 +14,14 @@
 #      -display vnc=127.0.0.1:0
 #
 
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
 {
   imports = [
     ./disk-config.nix
     ./hardware-configuration.nix
-    ./optimized_build.nix
     ./vm_disk.nix
   ];
 
+  config = {
     # Generate with `head -c4 /dev/urandom | od -A none -t x4`
     networking.hostId = "fbd233d8";
 
@@ -36,7 +30,8 @@
     time.timeZone = "America/New_York";
     i18n.defaultLocale = "en_US.UTF-8";
 
-  me.secureBoot.enable = false;
+    me.boot.secure = false;
+    me.mountPersistence = true;
 
     me.optimizations = {
       enable = true;
@@ -44,6 +39,7 @@
       system_features = [
         "gccarch-znver4"
         "gccarch-skylake"
+        "gccarch-kabylake"
         # "gccarch-alderlake" missing WAITPKG
         "gccarch-x86-64-v3"
         "gccarch-x86-64-v4"
@@ -57,12 +53,26 @@
     # Mount tmpfs at /tmp
     boot.tmp.useTmpfs = true;
 
+    me.base.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 = false;
     me.hydra.enable = false;
+    me.memtest.enable = true;
+    me.network.enable = true;
     me.nix_worker.enable = true;
+    me.nvme.enable = true;
+    me.ssh.enable = true;
+    me.sshd.enable = true;
+    me.user.enable = true;
     me.vm_disk.enable = true;
     me.wireguard.activated = [ ];
     me.wireguard.deactivated = [ ];
+    me.zfs.enable = true;
     me.zsh.enable = true;
+  };
 }

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

@@ -4,7 +4,6 @@
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 

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

@@ -1,10 +1,5 @@
-# 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,
   ...
 }:
@@ -14,6 +9,7 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
+  config = {
     boot.initrd.availableKernelModules = [
       "xhci_pci"
       "nvme"
@@ -36,4 +32,5 @@
     # systemd.network.enable = true;
 
     nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  };
 }

nix/configuration/hosts/hydra/vm_disk.nix

@@ -1,7 +1,6 @@
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 
@@ -17,9 +16,7 @@
     };
   };
 
-  config = lib.mkIf config.me.vm_disk.enable (
+  config = lib.mkIf config.me.vm_disk.enable {
-    lib.mkMerge [
-      {
     # Mount the local disk
     fileSystems = {
       "/.disk" = lib.mkForce {
@@ -71,7 +68,5 @@
         ];
       };
     };
-      }
+  };
-    ]
-  );
 }

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 "$TARGET" --fast --sudo --max-jobs "$JOBS" --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 "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/i_only_boot_zfs/ISO

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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/../..#iso.ionlybootzfs" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#i_only_boot_zfs.iso" --max-jobs "$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" --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" --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" --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 +1,34 @@
+{
+  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;
+
+    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    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/ionlybootzfs/DEPLOY_BOOT

@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-#
-set -euo pipefail
-IFS=$'\n\t'
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-: "${JOBS:="1"}"
-
-#TARGET=10.216.1.14
-# TARGET=192.168.211.250
-TARGET="ionlybootzfs"
-
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
-for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-
-nixos-rebuild boot --flake "$DIR/../../#ionlybootzfs" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --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#ionlybootzfs'

nix/configuration/hosts/ionlybootzfs/DEPLOY_SWITCH

@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-#
-set -euo pipefail
-IFS=$'\n\t'
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-: "${JOBS:="1"}"
-
-#TARGET=10.216.1.14
-# TARGET=192.168.211.250
-TARGET=ionlybootzfs
-
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
-for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-
-nixos-rebuild switch --flake "$DIR/../../#ionlybootzfs" --target-host "$TARGET" --build-host "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --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#ionlybootzfs'

nix/configuration/hosts/ionlybootzfs/default.nix

@@ -1,63 +0,0 @@
-#
-# Testing:
-# 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 file=/tmp/localdisk.img,if=none,id=nvm,format=raw \
-#      -device nvme,serial=deadbeef,drive=nvm \
-#      -nic user,hostfwd=tcp::60022-:22 \
-#      -boot order=d \
-#      -cdrom "$(readlink -f /persist/machine_setup/nix/configuration/result/iso/nixos*.iso)" \
-#      -display vnc=127.0.0.1:0
-#
-
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-{
-  imports = [
-    ./wrapped-disk-config.nix
-    ./hardware-configuration.nix
-  ];
-
-  # Generate with `head -c4 /dev/urandom | od -A none -t x4`
-  networking.hostId = "fbd233d8";
-
-  networking.hostName = "ionlybootzfs"; # Define your hostname.
-
-  time.timeZone = "America/New_York";
-  i18n.defaultLocale = "en_US.UTF-8";
-
-  me.secureBoot.enable = true;
-
-  me.optimizations = {
-    enable = false;
-    arch = "znver4";
-    system_features = [
-      "gccarch-znver4"
-      "gccarch-skylake"
-      # "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;
-
-  me.emacs_flavor = "plainmacs";
-  me.graphical = false;
-  me.wireguard.activated = [ ];
-  me.wireguard.deactivated = [ ];
-  me.zsh.enable = true;
-}

nix/configuration/hosts/ionlybootzfs/hardware-configuration.nix

@@ -1,38 +0,0 @@
-# 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,
-  ...
-}:
-
-{
-  imports = [
-    (modulesPath + "/installer/scan/not-detected.nix")
-  ];
-
-  boot.initrd.availableKernelModules = [
-    "xhci_pci"
-    "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
-  # (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.dhcpcd.enable = lib.mkForce true;
-  networking.useDHCP = lib.mkForce true;
-  # systemd.network.enable = true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-}

nix/configuration/hosts/ionlybootzfs/optimized_build.nix

@@ -1,131 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  pkgs-unoptimized,
-  ...
-}:
-{
-  imports = [ ];
-
-  config = lib.mkMerge [
-    { }
-    (lib.mkIf (!config.me.optimizations.enable) {
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_14;
-    })
-    (lib.mkIf (config.me.optimizations.enable) {
-      nixpkgs.hostPlatform = {
-        gcc.arch = "znver4";
-        gcc.tune = "znver4";
-        system = "x86_64-linux";
-      };
-
-      nixpkgs.overlays = [
-        (
-          final: prev:
-          let
-            addConfig =
-              additionalConfig: pkg:
-              pkg.override (oldconfig: {
-                structuredExtraConfig = pkg.structuredExtraConfig // additionalConfig;
-              });
-          in
-          {
-            linux_me = 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;
-            } prev.linux_6_14;
-            # gsl = prev.gsl.overrideAttrs (old: {
-            #   # gsl tests fails when optimizations are enabled.
-            #   # > FAIL: cholesky_invert unscaled hilbert (  4,  4)[0,2]: 2.55795384873636067e-13                        0
-            #   # >  (2.55795384873636067e-13 observed vs 0 expected) [28259614]
-            #   doCheck = false;
-            # });
-          }
-        )
-        (final: prev: {
-          haskellPackages = prev.haskellPackages.extend (
-            final': prev': {
-              inherit (pkgs-unoptimized.haskellPackages)
-                crypton
-                crypton-connection
-                crypton-x509
-                crypton-x509-store
-                crypton-x509-system
-                crypton-x509-validation
-                hspec-wai
-                http-client-tls
-                http2
-                pandoc
-                pandoc-cli
-                pandoc-lua-engine
-                pandoc-server
-                servant-server
-                tls
-                wai-app-static
-                wai-extra
-                warp
-                ;
-            }
-          );
-        })
-        (final: prev: {
-          inherit (pkgs-unoptimized)
-            gsl
-            redis
-            valkey
-            ;
-        })
-      ];
-
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_me;
-    })
-    (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"
-      ];
-
-      # Keep ALL dependencies so we can rebuild offline. This DRASTICALLY increase disk usage, but disk space is cheap.
-      # system.includeBuildDependencies = true;
-
-      # This also should enable building offline? TODO: test.
-      nix.extraOptions = ''
-        keep-outputs = true
-        keep-derivations = true
-      '';
-
-      # # building ON
-      # nixpkgs.localSystem = { system = "aarch64-linux"; };
-      # # building FOR
-      # nixpkgs.crossSystem = { system = "aarch64-linux"; };
-
-      # nixpkgs.config = {
-      #   replaceStdenv = ({ pkgs }: pkgs.clangStdenv);
-      # };
-      # or maybe an overlay
-      # stdenv = prev.clangStdenv;
-
-    })
-    (lib.mkIf (config.me.buildingIso) {
-      boot.supportedFilesystems.zfs = true;
-    })
-  ];
-}

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

@@ -1,8 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
-lib.mkIf (!config.me.buildingIso) (import ./disk-config.nix)

nix/configuration/hosts/neelix/DEPLOY_BOOT

@@ -10,10 +10,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # TARGET=192.168.211.250
 TARGET=neelix
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild boot --flake "$DIR/../../#neelix" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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

@@ -10,10 +10,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # TARGET=192.168.211.250
 TARGET=neelix
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild switch --flake "$DIR/../../#neelix" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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

@@ -6,6 +6,7 @@
     ./power_management.nix
   ];
 
+  config = {
     # Generate with `head -c4 /dev/urandom | od -A none -t x4`
     networking.hostId = "bca9d0a5";
 
@@ -14,7 +15,8 @@
     time.timeZone = "America/New_York";
     i18n.defaultLocale = "en_US.UTF-8";
 
-  me.secureBoot.enable = false;
+    me.boot.secure = false;
+    me.mountPersistence = true;
 
     me.optimizations = {
       enable = false;
@@ -36,16 +38,29 @@
     # Mount tmpfs at /tmp
     # boot.tmp.useTmpfs = 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,
   ...
 }:
@@ -14,6 +10,7 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
+  config = {
     boot.initrd.availableKernelModules = [
       "xhci_pci"
       "nvme"
@@ -36,4 +33,5 @@
 
     nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
     hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
 }

nix/configuration/hosts/neelix/power_management.nix

@@ -1,6 +1,4 @@
 {
-  config,
-  lib,
   pkgs,
   ...
 }:
@@ -8,6 +6,7 @@
 {
   imports = [ ];
 
+  config = {
     environment.systemPackages = with pkgs; [
       powertop
     ];
@@ -32,4 +31,5 @@
     boot.extraModprobeConfig = ''
       options snd_hda_intel power_save=1
     '';
+  };
 }

nix/configuration/hosts/odo/DEPLOY_BOOT

@@ -6,14 +6,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-# TARGET=10.216.1.15
-# TARGET=192.168.211.250
 TARGET=odo
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild boot --flake "$DIR/../../#odo" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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#odo'

nix/configuration/hosts/odo/DEPLOY_SWITCH

@@ -6,14 +6,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-#TARGET=10.216.1.14
-# TARGET=192.168.211.250
 TARGET=odo
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild switch --flake "$DIR/../../#odo" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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#odo'

nix/configuration/hosts/odo/ISO

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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/../..#iso.odo" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#odo.iso" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_BOOT

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-nixos-rebuild boot --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_BUILD

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-nixos-rebuild build --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/SELF_SWITCH

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-nixos-rebuild switch --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#odo" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odo/default.nix

@@ -15,6 +15,7 @@
     ./framework_module.nix
   ];
 
+  config = {
     # Generate with `head -c4 /dev/urandom | od -A none -t x4`
     networking.hostId = "908cbf04";
 
@@ -23,14 +24,22 @@
     time.timeZone = "America/New_York";
     i18n.defaultLocale = "en_US.UTF-8";
 
-  me.secureBoot.enable = true;
+    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 = false;
+      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"
@@ -62,59 +71,84 @@
     me.amd_s2idle.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.docker.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.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.iso_mount.enable = true;
+    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.nvme.enable = true;
+    me.openpgp_card_tools.enable = true;
     me.pcsx2.enable = true;
+    me.podman.enable = true;
     me.python.enable = true;
     me.qemu.enable = true;
+    me.recovery.enable = true;
     me.rpcs3.enable = true;
     me.rust.enable = true;
-  me.shadps4.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.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

@@ -17,7 +17,7 @@
               content = {
                 type = "filesystem";
                 format = "vfat";
-                mountpoint = "/boot";
+                mountpoint = "/efi";
                 mountOptions = [
                   "umask=0077"
                   "noatime"
@@ -76,6 +76,15 @@
             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";
@@ -120,6 +129,10 @@
     "noatime"
     "norelatime"
   ];
+  fileSystems."/boot".options = [
+    "noatime"
+    "norelatime"
+  ];
   fileSystems."/nix".options = [
     "noatime"
     "norelatime"

nix/configuration/hosts/odo/distributed_build.nix

@@ -1,27 +1,13 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
 {
   imports = [ ];
 
-  config = lib.mkMerge [
+  config = {
-    {
     me.distributed_build.enable = true;
-      me.distributed_build.machines.hydra = {
-        enable = true;
-        additional_config = {
-          speedFactor = 2;
-        };
-      };
     me.distributed_build.machines.quark = {
       enable = true;
       additional_config = {
         speedFactor = 2;
       };
     };
-    }
+  };
-  ];
 }

nix/configuration/hosts/odo/framework_module.nix

@@ -1,15 +1,12 @@
 {
   config,
-  lib,
-  pkgs,
   ...
 }:
 
 {
   imports = [ ];
 
-  config = lib.mkMerge [
+  config = {
-    {
     boot.extraModulePackages = with config.boot.kernelPackages; [
       framework-laptop-kmod
     ];
@@ -18,6 +15,5 @@
       "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,
   ...
 }:
@@ -14,6 +10,7 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
+  config = {
     boot.initrd.availableKernelModules = [
       "nvme"
       "xhci_pci"
@@ -33,4 +30,5 @@
 
     nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
     hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
 }

nix/configuration/hosts/odo/power_management.nix

@@ -1,6 +1,4 @@
 {
-  config,
-  lib,
   pkgs,
   ...
 }:
@@ -8,6 +6,7 @@
 {
   imports = [ ];
 
+  config = {
     environment.systemPackages = with pkgs; [
       powertop
     ];
@@ -72,4 +71,5 @@
       # Sound power-saving was causing chat notifications to be inaudible.
       # options snd_hda_intel power_save=1
     '';
+  };
 }

nix/configuration/hosts/odo/screen_brightness.nix

@@ -1,14 +1,9 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
 {
   imports = [ ];
 
+  config = {
     systemd.tmpfiles.rules = [
-    "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 21845"
+      "w- /sys/class/backlight/amdgpu_bl1/brightness - - - - 32767"
     ];
+  };
 }

nix/configuration/hosts/odo/wifi.nix

@@ -1,19 +1,7 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
 {
   imports = [ ];
 
   config = {
-    # Doesn't seem necessary starting with 6.13
-    # 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

@@ -1,8 +1,7 @@
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 
-lib.mkIf (!config.me.buildingIso) (import ./disk-config.nix)
+lib.mkIf (!config.me.buildingPortable) (import ./disk-config.nix)

nix/configuration/hosts/odowork/DEPLOY_BOOT

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

nix/configuration/hosts/odowork/DEPLOY_SWITCH

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

nix/configuration/hosts/odowork/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 "$DIR/../..#odowork.iso" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/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/../../#odowork" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/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/../../#odowork" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/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/../../#odowork" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/odowork/default.nix

@@ -0,0 +1,129 @@
+{
+  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
+  ];
+
+  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.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;
+
+    me.alacritty.enable = true;
+    me.amd_s2idle.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.gnuplot.enable = true;
+    me.gpg.enable = true;
+    me.graphical = true;
+    me.graphics_card_type = "amd";
+    me.iso_mount.enable = true;
+    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.nvme.enable = true;
+    me.openpgp_card_tools.enable = true;
+    me.podman.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.waybar.enable = true;
+    me.wireguard.activated = [
+      "wgh"
+    ];
+    me.wireguard.deactivated = [ "wgf" ];
+    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 +1,13 @@
+{
+  imports = [ ];
+
+  config = {
+    me.distributed_build.enable = true;
+    me.distributed_build.machines.quark = {
+      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 +1,34 @@
+{
+  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;
+
+    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    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/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

@@ -6,14 +6,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-#TARGET=10.216.1.15
-# TARGET=192.168.211.250
 TARGET=quark
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild boot --flake "$DIR/../../#quark" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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#quark'

nix/configuration/hosts/quark/DEPLOY_SWITCH

@@ -6,14 +6,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-#TARGET=10.216.1.14
-# TARGET=192.168.211.250
 TARGET=quark
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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 "$TARGET" --fast --use-remote-sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild switch --flake "$DIR/../../#quark" --target-host "$TARGET" --build-host "$TARGET" --fast --sudo --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& 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#quark'

nix/configuration/hosts/quark/ISO

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 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/../..#iso.quark" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json
+nix build --extra-experimental-features nix-command --extra-experimental-features flakes "$DIR/../..#quark.iso" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_BOOT

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-nixos-rebuild boot --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild boot --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_BUILD

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-nixos-rebuild build --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild build --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/SELF_SWITCH

@@ -6,7 +6,5 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 : "${JOBS:="1"}"
 
-nix flake update zsh-histdb --flake "$DIR/../../"
-nix flake update ansible-sshjail --flake "$DIR/../../"
 for f in /persist/manual/manual_add_to_store/*; do nix-store --add-fixed sha256 "$f"; done
-nixos-rebuild switch --show-trace --use-remote-sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json
+nixos-rebuild switch --show-trace --sudo --max-jobs "$JOBS" --flake "$DIR/../../#quark" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/quark/default.nix

@@ -6,11 +6,11 @@
 }:
 {
   imports = [
-    ./disk-config.nix
+    ./wrapped-disk-config.nix
     ./distributed_build.nix
     ./hardware-configuration.nix
     ./power_management.nix
-    ./wifi.nix
+    ./waybar.nix
   ];
 
   config = {
@@ -22,15 +22,23 @@
     time.timeZone = "America/New_York";
     i18n.defaultLocale = "en_US.UTF-8";
 
-    me.secureBoot.enable = true;
+    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 = "znver5";
+      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"
@@ -57,56 +65,80 @@
     me.amd_s2idle.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.docker.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.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.iso_mount.enable = true;
+    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_worker.enable = true;
+    me.nvme.enable = true;
+    me.openpgp_card_tools.enable = true;
     me.pcsx2.enable = true;
+    me.podman.enable = true;
     me.python.enable = true;
     me.qemu.enable = true;
+    me.recovery.enable = true;
     me.rpcs3.enable = true;
     me.rust.enable = true;
-    me.shadps4.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.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;
 

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

@@ -2,13 +2,6 @@
 #   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 +16,7 @@ lib.mkIf (!config.me.buildingIso) {
               content = {
                 type = "filesystem";
                 format = "vfat";
-                mountpoint = "/boot";
+                mountpoint = "/efi";
                 mountOptions = [
                   "umask=0077"
                   "noatime"

nix/configuration/hosts/quark/distributed_build.nix

@@ -1,21 +1,7 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
 {
   imports = [ ];
 
-  config = lib.mkMerge [
+  config = {
-    {
     me.distributed_build.enable = true;
-      me.distributed_build.machines.hydra = {
-        enable = true;
-        additional_config = {
-          speedFactor = 2;
-        };
   };
 }
-  ];
-}

nix/configuration/hosts/quark/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,
   ...
 }:
@@ -14,6 +10,7 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
+  config = {
     boot.initrd.availableKernelModules = [
       "nvme"
       "xhci_pci"
@@ -32,4 +29,5 @@
     # networking.interfaces.wlp58s0.useDHCP = lib.mkDefault true;
 
     hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
 }

nix/configuration/hosts/quark/power_management.nix

@@ -8,6 +8,7 @@
 {
   imports = [ ];
 
+  config = {
     environment.systemPackages = with pkgs; [
       powertop
     ];
@@ -45,4 +46,5 @@
     #     destination = "/etc/udev/rules.d/30-amdgpu-low-power.rules";
     #   })
     # ];
+  };
 }

nix/configuration/hosts/quark/waybar.nix

@@ -0,0 +1,75 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [ ];
+
+  config = {
+    me.waybar.config = lib.mkForce {
+      # "height": 10, # Waybar height (to be removed for auto height)
+      "modules-left" = [
+        "sway/workspaces"
+        "sway/mode"
+      ];
+      "modules-center" = [ "sway/window" ];
+      "modules-right" = [
+        "custom/night_mode"
+        # "custom/temperature" # /sys/class/thermal/thermal_zone* does not currently exist on quark
+        "custom/sound"
+        "custom/available_memory"
+        "idle_inhibitor"
+        "custom/clock"
+        "tray"
+      ];
+      "sway/workspaces" = {
+        "disable-scroll" = true;
+      };
+      "sway/mode" = {
+        "format" = "<span style=\"italic\">{}</span>";
+      };
+      "sway/window" = {
+        "format" = "{title}";
+      };
+      "idle_inhibitor" = {
+        "format" = "{icon}";
+        "format-icons" = {
+          "activated" = "☕"; # ☕
+          "deactivated" = "💤"; # ☾☁⛾⛔⏾⌛⏳💤
+        };
+      };
+      "tray" = {
+        # "icon-size" = 21;
+        "spacing" = 10;
+      };
+      "custom/clock" = {
+        "exec" = "waybar_custom_clock";
+        "return-type" = "json";
+        "restart-interval" = 30;
+      };
+      "custom/available_memory" = {
+        "exec" = "waybar_custom_available_memory";
+        "return-type" = "json";
+        "restart-interval" = 30;
+      };
+      "custom/sound" = {
+        "exec" = "waybar_custom_sound";
+        "return-type" = "json";
+        "restart-interval" = 30;
+      };
+      # "custom/temperature" = {
+      #   "exec" = "waybar_custom_temperature";
+      #   "return-type" = "json";
+      #   "restart-interval" = 30;
+      # };
+      "custom/night_mode" = {
+        "exec" = "waybar_night_mode";
+        "return-type" = "json";
+        "restart-interval" = 30;
+        "on-click" = "pkill -USR1 -f waybar_night_mode";
+      };
+    };
+  };
+}

nix/configuration/hosts/quark/wifi.nix

@@ -1,16 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-
-{
-  imports = [ ];
-
-  config = {
-    environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
-      doas iw dev wlan0 set power_save off
-    '';
-  };
-}

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

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

nix/configuration/hosts/recovery/DEPLOY_BOOT

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

nix/configuration/hosts/recovery/DEPLOY_SWITCH

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

nix/configuration/hosts/recovery/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 "$DIR/../..#recovery.iso" --max-jobs "$JOBS" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/recovery/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/../../#recovery" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/recovery/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/../../#recovery" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/recovery/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/../../#recovery" --log-format internal-json -v "${@}" |& nom --json

nix/configuration/hosts/recovery/default.nix

@@ -0,0 +1,56 @@
+{
+  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 = "46b62d92";
+
+    networking.hostName = "recovery"; # Define your hostname.
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = true;
+    me.mountPersistence = true;
+
+    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;
+
+    me.build_in_ram.enable = true;
+    me.dont_use_substituters.enable = true;
+    me.minimal_base.enable = true;
+    me.recovery.enable = true;
+  };
+}

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

@@ -65,8 +65,8 @@
             type = "zfs_fs";
             options.mountpoint = "none";
             options = {
-              encryption = "aes-256-gcm";
+              # encryption = "aes-256-gcm";
-              keyformat = "passphrase";
+              # keyformat = "passphrase";
               # keylocation = "file:///tmp/secret.key";
             };
           };
@@ -138,5 +138,5 @@
   ];
 
   # Only attempt to decrypt the main pool. Otherwise it attempts to decrypt pools that aren't even used.
-  boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
+  # boot.zfs.requestEncryptionCredentials = [ "zroot/linux/nix" ];
 }

nix/configuration/hosts/recovery/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/recovery/hardware-configuration.nix

@@ -0,0 +1,34 @@
+{
+  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;
+
+    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  };
+}

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

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

nix/configuration/package/grub/add-hidden-menu-entries.patch

@@ -0,0 +1,204 @@
+diff --git a/grub-core/commands/legacycfg.c b/grub-core/commands/legacycfg.c
+index e9e9d94ef..54e08a1b4 100644
+--- a/grub-core/commands/legacycfg.c
++++ b/grub-core/commands/legacycfg.c
+@@ -143,7 +143,7 @@ legacy_file (const char *filename)
+ 	    args[0] = oldname;
+ 	    grub_normal_add_menu_entry (1, args, NULL, NULL, "legacy",
+ 					NULL, NULL,
+-					entrysrc, 0);
++					entrysrc, 0, 0);
+ 	    grub_free (args);
+ 	    entrysrc[0] = 0;
+ 	    grub_free (oldname);
+@@ -205,7 +205,7 @@ legacy_file (const char *filename)
+ 	}
+       args[0] = entryname;
+       grub_normal_add_menu_entry (1, args, NULL, NULL, NULL,
+-				  NULL, NULL, entrysrc, 0);
++				  NULL, NULL, entrysrc, 0, 0);
+       grub_free (args);
+     }
+ 
+diff --git a/grub-core/commands/menuentry.c b/grub-core/commands/menuentry.c
+index 720e6d8ea..50632ccce 100644
+--- a/grub-core/commands/menuentry.c
++++ b/grub-core/commands/menuentry.c
+@@ -78,7 +78,7 @@ grub_normal_add_menu_entry (int argc, const char **args,
+ 			    char **classes, const char *id,
+ 			    const char *users, const char *hotkey,
+ 			    const char *prefix, const char *sourcecode,
+-			    int submenu)
++			    int submenu, int hidden)
+ {
+   int menu_hotkey = 0;
+   char **menu_args = NULL;
+@@ -188,8 +188,11 @@ grub_normal_add_menu_entry (int argc, const char **args,
+   (*last)->args = menu_args;
+   (*last)->sourcecode = menu_sourcecode;
+   (*last)->submenu = submenu;
++  (*last)->hidden = hidden;
++
++  if (!hidden)
++    menu->size++;
+ 
+-  menu->size++;
+   return GRUB_ERR_NONE;
+ 
+  fail:
+@@ -286,7 +289,8 @@ grub_cmd_menuentry (grub_extcmd_context_t ctxt, int argc, char **args)
+ 				       users,
+ 				       ctxt->state[2].arg, 0,
+ 				       ctxt->state[3].arg,
+-				       ctxt->extcmd->cmd->name[0] == 's');
++				       ctxt->extcmd->cmd->name[0] == 's',
++               ctxt->extcmd->cmd->name[0] == 'h');
+ 
+   src = args[argc - 1];
+   args[argc - 1] = NULL;
+@@ -303,7 +307,8 @@ grub_cmd_menuentry (grub_extcmd_context_t ctxt, int argc, char **args)
+ 				  ctxt->state[0].args, ctxt->state[4].arg,
+ 				  users,
+ 				  ctxt->state[2].arg, prefix, src + 1,
+-				  ctxt->extcmd->cmd->name[0] == 's');
++				  ctxt->extcmd->cmd->name[0] == 's',
++          ctxt->extcmd->cmd->name[0] == 'h');
+ 
+   src[len - 1] = ch;
+   args[argc - 1] = src;
+@@ -311,7 +316,7 @@ grub_cmd_menuentry (grub_extcmd_context_t ctxt, int argc, char **args)
+   return r;
+ }
+ 
+-static grub_extcmd_t cmd, cmd_sub;
++static grub_extcmd_t cmd, cmd_sub, cmd_hidden;
+ 
+ void
+ grub_menu_init (void)
+@@ -327,6 +332,12 @@ grub_menu_init (void)
+ 				  | GRUB_COMMAND_FLAG_EXTRACTOR,
+ 				  N_("BLOCK"), N_("Define a submenu."),
+ 				  options);
++  cmd_hidden = grub_register_extcmd ("hiddenentry", grub_cmd_menuentry,
++                  GRUB_COMMAND_FLAG_BLOCKS
++                  | GRUB_COMMAND_ACCEPT_DASH
++                  | GRUB_COMMAND_FLAG_EXTRACTOR,
++                  N_("BLOCK"), N_("Define a hidden menu entry."),
++                  options);
+ }
+ 
+ void
+diff --git a/grub-core/normal/menu.c b/grub-core/normal/menu.c
+index 6a90e091f..4236f55bc 100644
+--- a/grub-core/normal/menu.c
++++ b/grub-core/normal/menu.c
+@@ -37,6 +37,8 @@
+    entry failing to boot.  */
+ #define DEFAULT_ENTRY_ERROR_DELAY_MS  2500
+ 
++#define MENU_INCLUDE_HIDDEN 0x10000
++
+ grub_err_t (*grub_gfxmenu_try_hook) (int entry, grub_menu_t menu,
+ 				     int nested) = NULL;
+ 
+@@ -80,8 +82,20 @@ grub_menu_get_entry (grub_menu_t menu, int no)
+ {
+   grub_menu_entry_t e;
+ 
+-  for (e = menu->entry_list; e && no > 0; e = e->next, no--)
+-    ;
++  if (no & MENU_INCLUDE_HIDDEN) {
++    no &= ~MENU_INCLUDE_HIDDEN;
++
++    for (e = menu->entry_list; e && no > 0; e = e->next, no--)
++      ;
++  } else {
++    for (e = menu->entry_list; e && no > 0; e = e->next, no--) {
++      /* Skip hidden entries */
++      while (e && e->hidden)
++        e = e->next;
++    }
++    while (e && e->hidden)
++      e = e->next;
++  }
+ 
+   return e;
+ }
+@@ -93,10 +107,10 @@ get_entry_index_by_hotkey (grub_menu_t menu, int hotkey)
+   grub_menu_entry_t entry;
+   int i;
+ 
+-  for (i = 0, entry = menu->entry_list; i < menu->size;
++  for (i = 0, entry = menu->entry_list; entry;
+        i++, entry = entry->next)
+     if (entry->hotkey == hotkey)
+-      return i;
++      return i | MENU_INCLUDE_HIDDEN;
+ 
+   return -1;
+ }
+@@ -509,6 +523,10 @@ get_entry_number (grub_menu_t menu, const char *name)
+       grub_menu_entry_t e = menu->entry_list;
+       int i;
+ 
++       /* Skip hidden entries */
++      while (e && e->hidden)
++        e = e->next;
++
+       grub_errno = GRUB_ERR_NONE;
+ 
+       for (i = 0; e; i++)
+@@ -520,6 +538,10 @@ get_entry_number (grub_menu_t menu, const char *name)
+ 	      break;
+ 	    }
+ 	  e = e->next;
++
++    /* Skip hidden entries */
++    while (e && e->hidden)
++      e = e->next;
+ 	}
+ 
+       if (! e)
+diff --git a/grub-core/normal/menu_text.c b/grub-core/normal/menu_text.c
+index b1321eb26..d2e46cac8 100644
+--- a/grub-core/normal/menu_text.c
++++ b/grub-core/normal/menu_text.c
+@@ -289,7 +289,11 @@ print_entries (grub_menu_t menu, const struct menu_viewer_data *data)
+       print_entry (data->geo.first_entry_y + i, data->offset == i,
+ 		   e, data);
+       if (e)
+-	e = e->next;
++	      e = e->next;
++
++      /* Skip hidden entries */
++      while (e && e->hidden)
++        e = e->next;
+     }
+ 
+   grub_term_gotoxy (data->term,
+diff --git a/include/grub/menu.h b/include/grub/menu.h
+index ee2b5e910..eb8a86ba9 100644
+--- a/include/grub/menu.h
++++ b/include/grub/menu.h
+@@ -58,6 +58,8 @@ struct grub_menu_entry
+ 
+   int submenu;
+ 
++  int hidden;
++
+   /* The next element.  */
+   struct grub_menu_entry *next;
+ };
+diff --git a/include/grub/normal.h b/include/grub/normal.h
+index 218cbabcc..bcb412466 100644
+--- a/include/grub/normal.h
++++ b/include/grub/normal.h
+@@ -145,7 +145,7 @@ grub_normal_add_menu_entry (int argc, const char **args, char **classes,
+ 			    const char *id,
+ 			    const char *users, const char *hotkey,
+ 			    const char *prefix, const char *sourcecode,
+-			    int submenu);
++			    int submenu, int hidden);
+ 
+ grub_err_t
+ grub_normal_set_password (const char *user, const char *password);