devices/oneplus-6-phone: init!!!!!

flake.lock

@@ -218,16 +218,16 @@
     "mobile-nixos": {
       "flake": false,
       "locked": {
-        "lastModified": 1697544701,
+        "lastModified": 1702959560,
-        "narHash": "sha256-u/59b13bwEqxR1x2l9SeSya2ZXABmjpUCdTrXVMLrsA=",
+        "narHash": "sha256-3EmjKFKBypRGluGEY1oUMkQRBRDO5rZdzUXwTlRbUiY=",
         "owner": "chayleaf",
         "repo": "mobile-nixos",
-        "rev": "b3ec466c5abbda7de279dccb010ab10e74dd07ee",
+        "rev": "55ec06035e85fcbda5caa6a73d045a9910fb16a2",
         "type": "github"
       },
       "original": {
         "owner": "chayleaf",
-        "ref": "cleanup",
+        "ref": "fix-op6-modem",
         "repo": "mobile-nixos",
         "type": "github"
       }

flake.nix

@@ -8,7 +8,7 @@
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     mobile-nixos = {
       # url = "github:NixOS/mobile-nixos";
-      url = "github:chayleaf/mobile-nixos/cleanup";
+      url = "github:chayleaf/mobile-nixos/fix-op6-modem";
       flake = false;
     };
     impermanence.url = "github:nix-community/impermanence";
@@ -59,38 +59,34 @@
     };
   };
 
-  outputs = inputs@
+  outputs = base-inputs@{ self, nixpkgs, ... }:
-    { self
-    , coop-ofd
-    , nixpkgs
-    , nixos-hardware
-    , mobile-nixos
-    , impermanence
-    , home-manager
-    , nur
-    , nix-gaming
-    , notlua
-    , notnft
-    , nixos-mailserver
-    , nixos-router
-    , maubot
-    , ... }:
   let
     # --impure required for developing
     # it takes the paths for modules from filesystem as opposed to flake inputs
-    devNft = false;
+    dev = {
-    devNixRt = false;
+      # coop-ofd = true;
-    devMaubot = false;
+      # maubot = true;
-    devCoopOfd = false;
+      # mobile-nixos = true;
+      # nixos-router = true;
+      # notnft = true;
+    };
     # IRL-related stuff I'd rather not put into git
     priv =
-      if builtins.pathExists ./private.nix then (import ./private.nix { })
+      if builtins.pathExists ./private.nix then import ./private.nix { }
-      else if builtins.pathExists ./private/default.nix then (import ./private { })
+      else if builtins.pathExists ./private/default.nix then import ./private { }
       # workaround for git flakes not having access to non-checked out files
       else if builtins?extraBuiltins.secrets then builtins.extraBuiltins.secrets
       # yes, this is impure, this is a last ditch effort at getting access to secrets
       else import /etc/nixos/private { };
     devPath = priv.devPath or ../.;
+    inputs = builtins.mapAttrs
+      (name: input:
+        if dev.${name} or false then
+          (if input._type or null == "flake"
+          then (import base-inputs.flake-compat { src = /${devPath}/${name}; }).defaultNix
+          else /${devPath}/${name})
+          else input)
+      base-inputs;
     # if x has key s, get it. Otherwise return def
     # All private config for hostname
     getPriv = hostname: priv.${hostname} or { };
@@ -99,20 +95,13 @@
     # Private home-manager config for hostname and username
     getPrivUser = hostname: user: (getPriv hostname).${user} or { };
     # extended lib
-    lib = nixpkgs.lib // {
+    lib = nixpkgs.lib // import ./lib.nix { inherit (nixpkgs) lib; };
-      quoteListenAddr = addr:
-        if nixpkgs.lib.hasInfix ":" addr then "[${addr}]" else addr;
-    };
     # can't use callPackage ./pkgs here, idk why; use import instead
     overlay' = args: self: super: import ./pkgs ({
       pkgs = super;
       pkgs' = self;
       lib = super.lib;
-      nur = import nur {
+      inherit inputs;
-        pkgs = super;
-        nurpkgs = super;
-      };
-      nix-gaming = nix-gaming.packages.${super.system};
     } // args);
     overlay = overlay' { };
     # I override some settings down the line, but overlays always stay the same
@@ -129,182 +118,37 @@
         system = "aarch64-linux";
         modules = [
           {
-            _module.args.server-config = nixosConfigurations.server.config;
+            _module.args.server-config = self.nixosConfigurations.server.config;
-            _module.args.notnft = if devNft then (import /${devPath}/notnft { inherit (nixpkgs) lib; }).config.notnft else notnft.lib.${system};
+            _module.args.notnft = inputs.notnft.lib.${system};
           }
-          (if devNixRt then import /${devPath}/nixos-router else nixos-router.nixosModules.default)
+          inputs.nixos-router.nixosModules.default
         ];
       };
-      crossConfig' = from: config: config // {
+    in {
-        modules = config.modules ++ [
-          {
-            _module.args.fromSourcePkgs = (mkPkgs { system = from; }).pkgsCross.${{
-              aarch64-linux = "aarch64-multiplatform";
-            }.${config.system}};
-          }
-        ];
-      };
-      crossConfig = config: crossConfig' ({
-        x86_64-linux = "aarch64-linux";
-        aarch64-linux = "x86_64-linux";
-      }.${config.system}) config;
-    in rec {
       router-emmc = mkBpiR3 "emmc" routerConfig;
       router-sd = mkBpiR3 "sd" routerConfig;
-      router-emmc-cross = crossConfig router-emmc;
-      router-sd-cross = crossConfig router-emmc;
       server = {
         system = "aarch64-linux";
         modules = [
-          { _module.args.router-config = nixosConfigurations.router-emmc.config; }
+          { _module.args.router-config = self.nixosConfigurations.router-emmc.config; }
-          nixos-mailserver.nixosModules.default
           ./system/devices/radxa-rock5a-server.nix
-          (if devMaubot then import /${devPath}/maubot.nix/module else maubot.nixosModules.default)
-          (if devCoopOfd then import /${devPath}/coop-ofd else coop-ofd).nixosModules.default
-          ./system/modules/scanservjs.nix
-          ./system/modules/qbittorrent.nix
         ];
       };
-      server-cross = crossConfig server;
       nixmsi = rec {
         system = "x86_64-linux";
-        modules = [
+        modules = [ ./system/devices/msi-delta-15-workstation.nix ];
-          nix-gaming.nixosModules.pipewireLowLatency
-          ./system/devices/msi-delta-15-workstation.nix
-        ];
-        home.common.enableNixosModule = false;
         home.common.extraSpecialArgs = {
-          notlua = notlua.lib.${system};
+          notlua = inputs.notlua.lib.${system};
         };
-        home.user = [
+        home.user = [ ./home/hosts/nixmsi.nix ];
-          nur.nixosModules.nur
-          ./home/hosts/nixmsi.nix
-        ];
       };
-      nixmsi-cross = crossConfig nixmsi;
       phone = {
         system = "aarch64-linux";
-        modules = [
+        modules = [ ./system/devices/oneplus-6-phone.nix ];
-          (import "${mobile-nixos}/lib/configuration.nix" {
-            device = "oneplus-enchilada";
-          })
-          ./system/hosts/phone/default.nix
-        ];
       };
-      phone-cross = crossConfig phone;
     };
 
-    # this is the system config processing part
-    nixosConfigurations = builtins.mapAttrs (hostname: args @ { system, modules, specialArgs ? {}, nixpkgs ? {}, home ? {}, ... }:
-      lib.nixosSystem ({
-        inherit system;
-        # allow modules to access nixpkgs directly, use customized lib,
-        # and pass nixos-harware to let hardware modules import parts of nixos-hardware
-        specialArgs = {
-          inherit lib nixpkgs;
-          hardware = nixos-hardware.nixosModules;
-        } // specialArgs;
-        modules = modules ++ [
-          # Third-party NixOS modules
-          impermanence.nixosModule 
-          # My custom NixOS modules
-          ./system/modules/vfio.nix
-          ./system/modules/ccache.nix
-          ./system/modules/impermanence.nix
-          ./system/modules/common.nix
-          (getPrivSys hostname)
-          # The common configuration that isn't part of common.nix
-          ({ config, pkgs, lib, ... }: {
-            networking.hostName = lib.mkDefault hostname;
-            nixpkgs.overlays = [ overlay ];
-            nix.extraOptions = ''
-              plugin-files = ${pkgs.nix-plugins.override { nix = config.nix.package; }}/lib/nix/plugins/libnix-extra-builtins.so
-            '';
-
-            # registry is used for the new flaky nix command
-            nix.registry =
-              builtins.mapAttrs
-              (_: v: { flake = v; })
-              (lib.filterAttrs (_: v: v?outputs) inputs);
-
-            # add import'able flake inputs (like nixpkgs) to nix path
-            # nix path is used for old nix commands (like nix-build, nix-shell)
-            environment.etc = lib.mapAttrs'
-              (name: value: {
-                name = "nix/inputs/${name}";
-                value = { source = value.outPath; };
-              })
-              (lib.filterAttrs (_: v: builtins.pathExists "${v}/default.nix") inputs);
-            nix.nixPath = [ "/etc/nix/inputs" ];
-          })
-        ]
-        # the following is NixOS home-manager module configuration. Currently unused, but I might start using it for some hosts later.
-        ++ (lib.optionals (home != {} && ((home.common or {}).enableNixosModule or true)) [
-          home-manager.nixosModules.home-manager
-          {
-            home-manager = builtins.removeAttrs (home.common or { }) [ "nixpkgs" "nix" "enableNixosModule" ];
-          }
-          {
-            # set both to false to match behavior with standalone home-manager
-            home-manager.useGlobalPkgs = false;
-            home-manager.useUserPackages = false;
-            home-manager.users = builtins.mapAttrs (username: modules: {
-              imports = modules ++ [
-                {
-                  nixpkgs = (home.common or { }).nixpkgs or { };
-                  nix = (home.common or { }).nix or { };
-                }
-                ({ config, pkgs, lib, ...}: {
-                  nixpkgs.overlays = [ overlay ];
-                  nix.package = lib.mkDefault pkgs.nixForNixPlugins;
-                  # this is only needed if nixos doesnt set plugin-files already
-                  /*nix.extraOptions = ''
-                    plugin-files = ${pkgs.nix-plugins.override { nix = config.nix.package; }}/lib/nix/plugins/libnix-extra-builtins.so
-                  '';*/
-                })
-                (getPrivUser hostname username)
-              ];
-            }) (builtins.removeAttrs home [ "common" ]);
-          }
-        ]);
-      } // (builtins.removeAttrs args [ "home" "modules" "nixpkgs" ])))
-      config;
-
-    # for each hostname, for each user, generate an attribute "${user}@${hostname}"
-    homeConfigurations =
-      builtins.foldl'
-        (a: b: a // b)
-        { }
-        (builtins.concatLists
-          (lib.mapAttrsToList
-            (hostname: sysConfig:
-            let
-              inherit (sysConfig) system;
-              common' = builtins.removeAttrs (sysConfig.home.common or { }) [ "nix" "nixpkgs" "enableNixosModule" ];
-              pkgs = mkPkgs ({ inherit system; } // ((sysConfig.home.common or { }).nixpkgs or {}));
-              common = common' // { inherit pkgs; };
-            in 
-              lib.mapAttrsToList
-                # this is where actual config takes place
-                (user: homeConfig: {
-                  "${user}@${hostname}" = home-manager.lib.homeManagerConfiguration (common // {
-                    modules = homeConfig ++ [
-                      (getPrivUser hostname user)
-                      ({ config, pkgs, lib, ... }: {
-                        nixpkgs.overlays = [ overlay ];
-                        nix.package = lib.mkDefault pkgs.nixForNixPlugins;
-                        # this is only needed if nixos doesnt set plugin-files already
-                        /*nix.extraOptions = ''
-                          plugin-files = ${pkgs.nix-plugins.override { nix = config.nix.package; }}/lib/nix/plugins/libnix-extra-builtins.so
-                        '';*/
-                      })
-                    ];
-                  });
-                })
-                (builtins.removeAttrs (sysConfig.home or { }) [ "common" ]))
-            config));
   in {
-    inherit nixosConfigurations homeConfigurations;
     overlays.default = overlay;
     packages = lib.genAttrs [
       "x86_64-linux"
@@ -312,24 +156,87 @@
     ] (system: let self = overlay' { isOverlay = false; } (mkPkgs { inherit system; } // self) (import nixpkgs { inherit system; }); in self);
     nixosImages.router = let pkgs = mkPkgs { inherit (config.router-emmc) system; }; in {
       emmcImage = pkgs.callPackage ./system/hardware/bpi-r3/image.nix {
-        inherit (nixosConfigurations.router-emmc) config;
+        inherit (self.nixosConfigurations.router-emmc) config;
-        rootfsImage = nixosConfigurations.router-emmc.config.system.build.rootfsImage;
+        rootfsImage = self.nixosConfigurations.router-emmc.config.system.build.rootfsImage;
         bpiR3Stuff = pkgs.bpiR3StuffEmmc;
       };
       sdImage = pkgs.callPackage ./system/hardware/bpi-r3/image.nix {
-        inherit (nixosConfigurations.router-sd) config;
+        inherit (self.nixosConfigurations.router-sd) config;
-        rootfsImage = nixosConfigurations.router-sd.config.system.build.rootfsImage;
+        rootfsImage = self.nixosConfigurations.router-sd.config.system.build.rootfsImage;
         bpiR3Stuff = pkgs.bpiR3StuffSd;
       };
     };
-    nixosImages.phone = nixosConfigurations.phone.config.mobile.outputs.disk-image;
-    nixosImages.phone-fastboot = nixosConfigurations.phone.config.mobile.outputs.android.android-fastboot-image;
 
     hydraJobs = {
-      server.${config.server.system} = nixosConfigurations.server.config.system.build.toplevel;
+      server.${config.server.system} = self.nixosConfigurations.server.config.system.build.toplevel;
-      workstation.${config.nixmsi.system} = nixosConfigurations.nixmsi.config.system.build.toplevel;
+      workstation.${config.nixmsi.system} = self.nixosConfigurations.nixmsi.config.system.build.toplevel;
-      router.${config.router-emmc.system} = nixosConfigurations.router-emmc.config.system.build.toplevel;
+      router.${config.router-emmc.system} = self.nixosConfigurations.router-emmc.config.system.build.toplevel;
-      workstation-home.${config.nixmsi.system} = homeConfigurations."user@nixmsi".activation-script;
+      workstation-home.${config.nixmsi.system} = self.homeConfigurations."user@nixmsi".activation-script;
     };
+
+    # this is the system config processing part
+    nixosConfigurations = lib.flip builtins.mapAttrs config (hostname: args @ { modules, nixpkgs ? {}, home ? {}, ... }:
+      lib.nixosSystem {
+        inherit (args) system;
+        # allow modules to access nixpkgs directly, use customized lib,
+        # and pass nixos-harware to let hardware modules import parts of nixos-hardware
+        specialArgs = {
+          inherit inputs lib;
+          hardware = inputs.nixos-hardware.nixosModules;
+        } // args.specialArgs or { };
+        modules = args.modules or [ ]
+        ++ [
+          (getPrivSys hostname)
+          { networking.hostName = lib.mkDefault hostname;
+            nixpkgs.overlays = [ overlay ]; }
+          inputs.impermanence.nixosModule 
+        ]
+        ++ map (x: ./system/modules/${x}) (builtins.attrNames (builtins.readDir ./system/modules))
+        # the following is NixOS home-manager module configuration. Currently unused, but I might start using it for some hosts later.
+        ++ lib.optionals (home != { } && home.common.enableNixosModule or false) [
+          inputs.home-manager.nixosModules.home-manager
+          { home-manager = builtins.removeAttrs (home.common or { }) [ "nixpkgs" "nix" "enableNixosModule" ]; }
+          { # set both to false to match behavior with standalone home-manager
+            home-manager.useGlobalPkgs = false;
+            home-manager.useUserPackages = false;
+            home-manager.users = builtins.mapAttrs (username: modules: {
+              imports = modules ++ [
+                { nixpkgs = home.common.nixpkgs or { };
+                  nix = home.common.nix or { }; }
+                ({ config, pkgs, lib, ...}: {
+                  nixpkgs.overlays = [ overlay ];
+                  nix.package = lib.mkDefault pkgs.nixForNixPlugins; })
+                (getPrivUser hostname username)
+              ];
+            }) (builtins.removeAttrs home [ "common" ]); }
+        ];
+      });
+
+    # for each hostname, for each user, generate an attribute "${user}@${hostname}"
+    homeConfigurations =
+      builtins.listToAttrs (builtins.concatLists
+        (lib.flip lib.mapAttrsToList config
+          (hostname: { system, home ? {}, ... }:
+          let
+            common' = builtins.removeAttrs (home.common or { }) [ "nix" "nixpkgs" "enableNixosModule" ];
+            pkgs = mkPkgs ({ inherit system; } // home.common.nixpkgs or { });
+            common = common' // { inherit pkgs; };
+          in 
+            lib.flip lib.mapAttrsToList (builtins.removeAttrs home [ "common" ])
+              # this is where actual config takes place
+              (user: homeConfig: lib.nameValuePair "${user}@${hostname}" 
+              (inputs.home-manager.lib.homeManagerConfiguration (common // {
+                extraSpecialArgs = (common.extraSpecialArgs or { }) // { inherit inputs; };
+                modules =
+                  homeConfig
+                  ++ common.modules or [ ]
+                  ++ [
+                    (getPrivUser hostname user)
+                    ({ pkgs, lib, ... }: {
+                      nixpkgs.overlays = [ overlay ];
+                      nix.package = lib.mkDefault pkgs.nixForNixPlugins;
+                    })
+                  ];
+              }))))));
   };
 }

home/common/general.nix

@@ -147,6 +147,7 @@
     readline = {
       enable = true;
       variables.editing-mode = "vi";
+      variables.show-mode-in-prompt = true;
     };
     nix-index = {
       enable = true;

home/hosts/nixmsi.nix

@@ -1,4 +1,9 @@
-{ pkgs, lib, ... }:
+{ pkgs
+, lib
+, inputs,
+...
+}:
+
 {
   imports = [
     ../common/general.nix
@@ -7,6 +12,7 @@
     ../common/nvim.nix
     ../common/helix.nix
     ../common/kakoune.nix
+    inputs.nur.nixosModules.nur
   ];
 
   nix.settings = {

lib.nix

@@ -0,0 +1,6 @@
+{ lib, ... }:
+
+{
+  quoteListenAddr = addr:
+    if lib.hasInfix ":" addr then "[${addr}]" else addr;
+}

pkgs/buffyboard/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, stdenv
+, fetchFromGitLab
+, meson
+, ninja
+, pkg-config
+, libinput
+, libxkbcommon
+, libevdev
+}:
+
+stdenv.mkDerivation {
+  pname = "buffyboard";
+  version = "unstable-2023-11-20";
+
+  src = fetchFromGitLab {
+    owner = "postmarketOS";
+    repo = "buffybox";
+    rev = "14b30c60183d98e8d0b4dadf66198e08badf631e";
+    hash = "sha256-9wLuTAqYoFl+IAR1ixp0nHwh6jBWl+1jDPhhxqE+LHQ=";
+    fetchSubmodules = true;
+  };
+
+  # https://gitlab.com/postmarketOS/buffybox/-/issues/1
+  hardeningDisable = [ "fortify3" ];
+
+  postPatch = ''
+    cd buffyboard
+  '';
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    libevdev
+    libinput
+    libxkbcommon
+  ];
+
+  meta = with lib; {
+    description = "";
+    homepage = "https://gitlab.com/postmarketOS/buffybox/-/tree/master/buffyboard";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ chayleaf ];
+    mainProgram = "buffyboard";
+    platforms = platforms.all;
+  };
+}

pkgs/default.nix

@@ -1,20 +1,25 @@
 { pkgs
 , lib
-, nur
+, inputs
-, nix-gaming
 , pkgs' ? pkgs
 , isOverlay ? true
-, ... }:
+, ...
+}:
+
 let
   inherit (pkgs') callPackage;
   sources = import ./_sources/generated.nix {
     inherit (pkgs) fetchgit fetchurl fetchFromGitHub dockerTools;
   };
   nixForNixPlugins = pkgs.nixVersions.nix_2_18;
+  nur = import inputs.nur {
+    inherit pkgs;
+    nurpkgs = pkgs;
+  };
 in
 
 {
-  inherit (nix-gaming) faf-client osu-lazer-bin;
+  inherit (inputs.nix-gaming.packages.${pkgs.system}) faf-client osu-lazer-bin;
   inherit nixForNixPlugins;
   nix = nixForNixPlugins;
   nixVersions = pkgs.nixVersions.extend (self: super: {
@@ -63,6 +68,7 @@ in
     meta = builtins.removeAttrs old.meta [ "broken" ];
   });*/
 
+  buffyboard = pkgs.callPackage ./buffyboard { };
   clang-tools_latest = pkgs.clang-tools_16;
   clang_latest = pkgs.clang_16;
   /*ghidra = pkgs.ghidra.overrideAttrs (old: {
@@ -108,6 +114,7 @@ in
   kvmfrOverlay = kvmfr: kvmfr.overrideAttrs (old: {
     inherit (pkgs'.looking-glass-client) version src;
   });
+  ping-exporter = callPackage ./ping-exporter { };
   proton-ge = pkgs.stdenvNoCC.mkDerivation {
     inherit (sources.proton-ge) pname version src;
     installPhase = ''
@@ -155,3 +162,4 @@ in
 }
 // import ./ccache.nix { inherit pkgs pkgs' lib sources; }
 // import ../system/hardware/bpi-r3/pkgs.nix { inherit pkgs pkgs' lib sources; }
+// import ../system/hardware/oneplus-enchilada/pkgs.nix { inherit inputs pkgs pkgs' lib sources; }

pkgs/ping-exporter/default.nix

@@ -0,0 +1,24 @@
+{ lib
+, fetchFromGitHub
+, rustPlatform
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "ping-exporter";
+  version = "0.1";
+
+  src = fetchFromGitHub {
+    owner = "chayleaf";
+    repo = "ping-exporter";
+    rev = "cf5e5f7e96fb477e015d44cd462fb996b944c896";
+    hash = "sha256-eZncfKTegLp+KBnAds8YR7ZMN8i7jDIIN8qt7832+0Y=";
+  };
+
+  cargoLock.lockFile = "${src}/Cargo.lock";
+
+  meta = with lib; {
+    description = "A ping exporter for Prometheus";
+    license = with lib.licenses; [ mit asl20 ];
+    maintainers = with lib.maintainers; [ chayleaf ];
+  };
+}

system/devices/bpi-r3-router.nix

@@ -14,6 +14,12 @@ in
   ];
   networking.hostName = "nixos-router";
 
+  systemd.enableEmergencyMode = false;
+  boot.kernel.sysctl = {
+    "net.core.default_qdisc" = "fq";
+    "net.ipv4.tcp_congestion_control" = "bbr";
+  };
+
   fileSystems = {
     # mount root on tmpfs
     "/" =     { device = "none"; fsType = "tmpfs"; neededForBoot = true;

system/devices/oneplus-6-phone.nix

@@ -0,0 +1,62 @@
+{ config
+, lib
+, ...
+}:
+
+let
+  uuids.enc = "e2abdea5-71dc-4a9e-aff3-242117342d60";
+  uuids.boot = "9DA3-28AC";
+  uuids.bch = "ac343ffb-407c-4966-87bf-a0ef1075e93d";
+  parts = builtins.mapAttrs (k: v: "/dev/disk/by-uuid/${v}") uuids;
+in
+
+{
+  imports = [
+    ../hardware/oneplus-enchilada
+    ../hosts/phone
+  ];
+
+  # https://gitlab.com/postmarketOS/pmaports/-/issues/2440
+  # networking.wireless.iwd.enable = true;
+  networking.modemmanager.enable = lib.mkForce false;
+  networking.networkmanager.enable = true;
+
+  boot.loader = {
+    grub.enable = false;
+    systemd-boot.enable = true;
+    efi.canTouchEfiVariables = false;
+  };
+
+  boot.initrd = {
+    luks.devices.cryptroot = {
+      device = parts.enc;
+      allowDiscards = true;
+    };
+  };
+
+  boot.supportedFilesystems = [ "bcachefs" ];
+
+  fileSystems = let
+    neededForBoot = true;
+  in {
+    "/" =     { device = "none"; fsType = "tmpfs"; inherit neededForBoot;
+                options = [ "defaults" "size=2G" "mode=755" ]; };
+    "/persist" =
+              { device = "UUID=${uuids.bch}"; fsType = "bcachefs"; inherit neededForBoot;
+                options = [ "errors=ro" ]; };
+    "/boot" = { device = parts.boot; fsType = "vfat"; inherit neededForBoot; };
+  };
+
+  zramSwap.enable = true;
+
+  impermanence = {
+    enable = true;
+    path = /persist;
+    directories = [
+      { directory = /home/${config.common.mainUsername}; user = config.common.mainUsername; group = "users"; mode = "0700"; }
+      { directory = /root; mode = "0700"; }
+      { directory = /nix; }
+      { directory = /secrets; mode = "0000"; }
+    ];
+  };
+}

system/devices/radxa-rock5a-server.nix

@@ -29,6 +29,12 @@ in
     "dm_mod" "dm_crypt" "encrypted_keys"
   ];
 
+  systemd.enableEmergencyMode = false;
+  boot.kernel.sysctl = {
+    "net.core.default_qdisc" = "fq";
+    "net.ipv4.tcp_congestion_control" = "bbr";
+  };
+
   networking.useDHCP = true;
   /*
   # as expected, systemd initrd and networking didn't work well, and i really cba to debug it
@@ -104,8 +110,8 @@ in
   fileSystems = let
     neededForBoot = true;
   in {
-    "/" =    { device = "none"; fsType = "tmpfs"; inherit neededForBoot;
+    "/" =     { device = "none"; fsType = "tmpfs"; inherit neededForBoot;
-               options = [ "defaults" "size=2G" "mode=755" ]; };
+                options = [ "defaults" "size=2G" "mode=755" ]; };
     "/persist" =
               { device = "UUID=${uuids.bch}"; fsType = "bcachefs"; inherit neededForBoot;
                 options = [ "errors=ro" ]; };

system/hardware/bpi-r3/default.nix

@@ -8,8 +8,7 @@
     generic-extlinux-compatible.enable = true;
   };
 
-  #boot.kernelPackages = config._module.args.fromSourcePkgs.linuxPackages_bpiR3_ccache or pkgs.linuxPackages_bpiR3_ccache;
+  boot.kernelPackages = pkgs.linuxPackagesFor (pkgs.buildLinuxWithCcache pkgs.linux_bpiR3);
-  boot.kernelPackages = pkgs.linuxPackagesFor (pkgs.buildLinuxWithCcache (config._module.args.fromSourcePkgs.linux_bpiR3 or pkgs.linux_bpiR3));
 
   hardware.deviceTree.enable = true;
   hardware.deviceTree.filter = "mt7986a-bananapi-bpi-r3.dtb";

system/hardware/msi-delta-15/default.nix

@@ -24,45 +24,4 @@
       "amdgpu.noretry=0"
     ];
   };
-  # TODO: really, really, please, I want latest firmware to work...
-  nixpkgs.overlays = [
-    (final: prev: {
-      amd-ucode = prev.amd-ucode.override { inherit (final) linux-firmware; };
-      linux-firmware = prev.stdenvNoCC.mkDerivation {
-        inherit (prev.linux-firmware) pname version meta src dontFixup installFlags nativeBuildInputs;
-        passthru = { inherit (prev.linux-firmware) version; };
-
-        # revert microcode updates which break boot for me
-        patches = [
-          ./revert-amd-ucode-update-fam17h.patch
-          ./revert-amd-ucode-update-fam19h.patch
-        ];
-        postPatch = ''
-          cp ${final.fetchurl {
-            name = "microcode_amd_fam17h.bin";
-            url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/amd-ucode/microcode_amd_fam17h.bin?id=b250b32ab1d044953af2dc5e790819a7703b7ee6";
-            hash = "sha256-HnKjEb2di7BiKB09JYUjIUuZNCVgXlwRSbjijnuYBcM=";
-          }} amd-ucode/microcode_amd_fam17h.bin
-          cp ${final.fetchurl {
-            name = "microcode_amd_fam19h.bin";
-            url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/amd-ucode/microcode_amd_fam19h.bin?id=0ab353f8d8aa96d68690911cea22ec538f3095c4";
-            hash = "sha256-LlA+E4EVQpfjD3/cg6Y52BsCGW/5ZfY0J2UnCUI/3MQ";
-          }} amd-ucode/microcode_amd_fam19h.bin
-        '';
-      };
-    })
-  ];
-  specialisation.no_patches.configuration = {
-    nixpkgs.overlays = [
-      (final: prev: {
-        amd-ucode = prev.amd-ucode.override { inherit (final) linux-firmware; };
-        linux-firmware = prev.stdenvNoCC.mkDerivation {
-          inherit (prev.linux-firmware) pname version meta src dontFixup installFlags nativeBuildInputs;
-          passthru = { inherit (prev.linux-firmware) version; };
-          patches = [ ];
-          postPatch = "";
-        };
-      })
-    ];
-  };
 }

system/hardware/msi-delta-15/revert-amd-ucode-update-fam17h.patch

@@ -1,52 +0,0 @@
-diff --git a/WHENCE b/WHENCE
-index dbcdced..9ae8ff7 100644
---- a/WHENCE
-+++ b/WHENCE
-@@ -3919,7 +3919,7 @@ Version: 2018-05-24
- RawFile: amd-ucode/microcode_amd_fam16h.bin
- Version: 2014-10-28
- RawFile: amd-ucode/microcode_amd_fam17h.bin
--Version: 2023-07-19
-+Version: 2023-04-13
- RawFile: amd-ucode/microcode_amd_fam19h.bin
- Version: 2023-08-08
- File: amd-ucode/README
-diff --git a/amd-ucode/README b/amd-ucode/README
-index f47743c..5dc5108 100644
---- a/amd-ucode/README
-+++ b/amd-ucode/README
-@@ -32,9 +32,8 @@ Microcode patches in microcode_amd_fam16h.bin:
- 
- Microcode patches in microcode_amd_fam17h.bin:
-   Family=0x17 Model=0x08 Stepping=0x02: Patch=0x0800820d Length=3200 bytes
--  Family=0x17 Model=0x31 Stepping=0x00: Patch=0x0830107a Length=3200 bytes
--  Family=0x17 Model=0xa0 Stepping=0x00: Patch=0x08a00008 Length=3200 bytes
-   Family=0x17 Model=0x01 Stepping=0x02: Patch=0x0800126e Length=3200 bytes
-+  Family=0x17 Model=0x31 Stepping=0x00: Patch=0x08301072 Length=3200 bytes
- 
- Microcode patches in microcode_amd_fam19h.bin:
-   Family=0x19 Model=0x11 Stepping=0x01: Patch=0x0a10113e Length=5568 bytes
-diff --git a/amd-ucode/microcode_amd_fam17h.bin.asc b/amd-ucode/microcode_amd_fam17h.bin.asc
-index 34a4024..27da52c 100644
---- a/amd-ucode/microcode_amd_fam17h.bin.asc
-+++ b/amd-ucode/microcode_amd_fam17h.bin.asc
-@@ -1,11 +1,11 @@
- -----BEGIN PGP SIGNATURE-----
- 
--iQEzBAABCgAdFiEE/HxsUF2vzBRxg1fK5L5TOfMornMFAmS4Mm4ACgkQ5L5TOfMo
--rnN35wgAkllCunxE6J5hQyLMx5o4WTHZkbNvXmu6nV1Y3vjiL1oeaK+pmx8BlkPt
--fGZJCe/068kqmp3N4EtOZLxXn55t3jNBYectPr0RmFqpjMsEJEcfXfuXROA4N9Ti
--Zd/o6X21eHEsm0kK0q4YfppfgTd5Ze7k1jTkUuuU6/yh6uRk1MiFreEzkPO3Aayh
--iEWlYx33vq3HccTPgdY3D64Zr8gmgKG+8mdEvqb1jK4SVZ1/9vy4OKIIpUZB/eqx
--46h9Ejwn9pktnYkHi/A/zCREEcIQ10HXFF5bjxJTFQkM5S46/QEO7uuvnpMb+6Yy
--4V1/QIWMG6ixqCRx9GqbBK7GHdYODw==
--=+IsI
-+iQEzBAABCgAdFiEE/HxsUF2vzBRxg1fK5L5TOfMornMFAmQeEvgACgkQ5L5TOfMo
-+rnPOpAf/dYhPqq/ktg1muI/khV4EhDiguX6OXib3fmfSZdvPIAI0cRI77M3Lvf0b
-+nlV8D67e5HOQ5foJbix5tunz0sZjqr2QU8U9dNk/ut0KC7UiCRc8VH40aSi/OQBG
-+Y8c7tb6IJ+N+jyJ6Ii6koUuRO2Lk2MckcrWLRuLRV4bB+osyJrGjc/X54Z6UJ/Ma
-+VDg13Yxy5WvC7sMmlmnY42JLeLBKDVUvg0zDvJ4aOLLxRE2l3eiAKE+TV122LmxN
-+ca5WA/ESYQ9BjxHYIrpTd9nQaWa/TIZ+rOmJGLMtnQ1gGlW97zQuJR7zh+8vdLzC
-+iwVlS1cu7kcV7KYDytTkWJ+2gwb3uQ==
-+=lP2S
- -----END PGP SIGNATURE-----

system/hardware/msi-delta-15/revert-amd-ucode-update-fam19h.patch

@@ -1,64 +0,0 @@
-diff --git a/WHENCE b/WHENCE
-index dbcdced..dd7b8d5 100644
---- a/WHENCE
-+++ b/WHENCE
-@@ -3921,7 +3921,7 @@ Version: 2014-10-28
- RawFile: amd-ucode/microcode_amd_fam17h.bin
- Version: 2023-07-19
- RawFile: amd-ucode/microcode_amd_fam19h.bin
--Version: 2023-10-19
-+Version: 2023-07-18
- File: amd-ucode/README
- 
- License: Redistributable. See LICENSE.amd-ucode for details
-diff --git a/amd-ucode/README b/amd-ucode/README
-index f47743c..6a9ff1e 100644
---- a/amd-ucode/README
-+++ b/amd-ucode/README
-@@ -37,22 +37,9 @@ Microcode patches in microcode_amd_fam17h.bin:
-   Family=0x17 Model=0x01 Stepping=0x02: Patch=0x0800126e Length=3200 bytes
- 
- Microcode patches in microcode_amd_fam19h.bin:
--  Family=0x19 Model=0x11 Stepping=0x02: Patch=0x0a101244 Length=5568 bytes
-   Family=0x19 Model=0x01 Stepping=0x01: Patch=0x0a0011d1 Length=5568 bytes
-   Family=0x19 Model=0x01 Stepping=0x00: Patch=0x0a001079 Length=5568 bytes
--  Family=0x19 Model=0xa0 Stepping=0x02: Patch=0x0aa00213 Length=5568 bytes
-   Family=0x19 Model=0x01 Stepping=0x02: Patch=0x0a001234 Length=5568 bytes
--  Family=0x19 Model=0xa0 Stepping=0x01: Patch=0x0aa00116 Length=5568 bytes
--  Family=0x19 Model=0x11 Stepping=0x01: Patch=0x0a101144 Length=5568 bytes
--
--NOTE: For Genoa (Family=0x19 Model=0x11) and Bergamo (Family=0x19 Model=0xa0),
--either AGESA version >= 1.0.0.8 OR a kernel with the following commit is
--required:
--a32b0f0db3f3 ("x86/microcode/AMD: Load late on both threads too")
--
--When late loading the patches for Genoa or Bergamo, there may be one spurious
--NMI observed per physical core. These NMIs are benign and don't cause any
--functional issue but will result in kernel messages being logged.
- 
- NOTE: When running 5.19+ kernels on Genoa or Bergamo systems, some microcode
- patches are known to trigger warnings in the PMI handler. The following are
-diff --git a/amd-ucode/microcode_amd_fam19h.bin.asc b/amd-ucode/microcode_amd_fam19h.bin.asc
-index 8cff901..a32b4d6 100644
---- a/amd-ucode/microcode_amd_fam19h.bin.asc
-+++ b/amd-ucode/microcode_amd_fam19h.bin.asc
-@@ -1,11 +1,11 @@
- -----BEGIN PGP SIGNATURE-----
- 
--iQEzBAABCgAdFiEE/HxsUF2vzBRxg1fK5L5TOfMornMFAmUoW6AACgkQ5L5TOfMo
--rnMHAAf/SxaKEu5l7FGXR+QJYc2oSJDpf9ZsHTkVnxqF1I3ReItEGAR3iqSWrsRw
--KA4niP9Ihr8EqwhOaOtqkRKKF9D5yg+DksnRWbh2VTUECO4KQxjHNrPp3JWEzBwb
--Xn+vRVP02ZRi3u4MCYbnDC4AfUSnKnldY3TTlNi/6HUaGS2pcw8Vjli/C06zwfgh
--WwUAoFMQl4SDJhbGfC9cb93MKjBl/0Hv4uhK5W8fJ1iUkMvY8Ijna/oDTZCNPqP0
--0AgOwdAdzoyOYWjbUXcwofz2Umpz12xmJW8yXNwdv1pmaCvv9aCJz1L49lGwFH9E
--lhhoFQ1SQL3hhPjTXO6DbeeT9+fjOg==
--=9Xav
-+iQEzBAABCgAdFiEE/HxsUF2vzBRxg1fK5L5TOfMornMFAmS3F00ACgkQ5L5TOfMo
-+rnNEhQgAizSV8IFpvaYNytaJKLA4uevrZneGPV4czjCXnnj1yHpfQmCTyZQnoLnx
-+7gyzf7K5271zO51FBQ5z2Nm48a3XPUhMbQLNP4BZdekLiA3bRpMtSyHct6zD0ULm
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-+wJCtcDle/3pF+N6SAFWiXbNZ+P8p19afhcYddDl97xtpzA6/8b20a2eHkrqnu/Ds
-+jTozF9kmhiifYMYpXtXgSOwI3GRZbQ==
-+=t+j1
- -----END PGP SIGNATURE-----

system/hardware/oneplus-enchilada/config_fixes.patch

@@ -0,0 +1,28 @@
+diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
+index b60aa1f8934..0e3191950d5 100644
+--- a/arch/arm64/configs/defconfig
++++ b/arch/arm64/configs/defconfig
+@@ -1317,8 +1317,9 @@ CONFIG_QCOM_AOSS_QMP=y
+ CONFIG_QCOM_COMMAND_DB=y
+ CONFIG_QCOM_CPR=y
+ CONFIG_QCOM_GENI_SE=y
+-CONFIG_QCOM_LLCC=m
+-CONFIG_QCOM_OCMEM=m
++CONFIG_QCOM_LLCC=y
++CONFIG_QCOM_OCMEM=y
++CONFIG_BACKLIGHT_CLASS_DEVICE=y
+ CONFIG_QCOM_PMIC_GLINK=m
+ CONFIG_QCOM_RMTFS_MEM=m
+ CONFIG_QCOM_RPMH=y
+diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
+index 48845dc8fa8..5f503f9c99c 100644
+--- a/drivers/remoteproc/Kconfig
++++ b/drivers/remoteproc/Kconfig
+@@ -166,6 +166,7 @@ config QCOM_PIL_INFO
+ 
+ config QCOM_RPROC_COMMON
+ 	tristate
++	default y
+ 
+ config QCOM_Q6V5_COMMON
+ 	tristate

system/hardware/oneplus-enchilada/default.nix

@@ -0,0 +1,213 @@
+{ pkgs
+, lib
+, config
+, inputs
+, ...
+}:
+
+let
+  cfg = config.phone;
+in
+{
+  imports = [
+    "${inputs.mobile-nixos}/modules/quirks/qualcomm/sdm845-modem.nix"
+    "${inputs.mobile-nixos}/modules/quirks/audio.nix"
+  ];
+
+  options.phone = {
+    adb.enable = lib.mkEnableOption "adb";
+    rndis.enable = lib.mkEnableOption "rndis" // {
+      default = true;
+    };
+    buffyboard.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+    };
+  };
+
+  config = lib.mkMerge [
+    {
+      hardware.enableRedistributableFirmware = true;
+      mobile.quirks.qualcomm.sdm845-modem.enable = true;
+      mobile.quirks.audio.alsa-ucm-meld = true;
+      environment.systemPackages = [ pkgs.alsa-ucm-conf-enchilada ];
+      systemd.services.q6voiced = {
+        description = "QDSP6 driver daemon";
+        after = [ "ModemManager.service" "dbus.socket" ];
+        wantedBy = [ "ModemManager.service" ];
+        requires = [ "dbus.socket" ];
+        serviceConfig.ExecStart = "${pkgs.q6voiced}/bin/q6voiced hw:0,6";
+      };
+      environment.etc."wireplumber/main.lua.d/51-qcom-sdm845.lua".source = pkgs.fetchurl {
+        url = "https://gitlab.com/postmarketOS/pmaports/-/raw/0aa9524204e9c9c002c860b87c972bc2ebf025f3/device/community/soc-qcom-sdm845/51-qcom-sdm845.lua";
+        hash = "sha256-56oNJJyuZZe1Iig1xskDuyazw3PbRZtmU/YRFUTqjwk=";
+      };
+      networking.modemmanager.enable = !config.networking.networkmanager.enable;
+      services.udev.extraRules = ''
+        SUBSYSTEM=="input", KERNEL=="event*", ENV{ID_INPUT}=="1", SUBSYSTEMS=="input", ATTRS{name}=="spmi_haptics", TAG+="uaccess", ENV{FEEDBACKD_TYPE}="vibra"
+        SUBSYSTEM=="misc", KERNEL=="fastrpc-*", ENV{ACCEL_MOUNT_MATRIX}+="-1, 0, 0; 0, -1, 0; 0, 0, -1"
+      '';
+      services.upower = {
+        enable = true;
+        percentageLow = 10;
+        percentageCritical = 5;
+        percentageAction = 3;
+        criticalPowerAction = "PowerOff";
+      };
+      hardware.firmware = lib.mkAfter [ pkgs.firmware-oneplus-sdm845 ];
+      boot.kernelPackages = lib.mkForce (pkgs.linuxPackagesFor pkgs.linux_enchilada_ccache);
+      hardware.deviceTree.enable = true;
+      hardware.deviceTree.name = "qcom/sdm845-oneplus-enchilada.dtb";
+      boot.kernelParams = [
+        "console=ttyMSM0,115200"
+        "console=tty0"
+        "dtb=/${config.hardware.deviceTree.name}"
+      ];
+      boot.loader.systemd-boot.extraFiles.${config.hardware.deviceTree.name} = "${config.hardware.deviceTree.package}/${config.hardware.deviceTree.name}";
+      nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+        "firmware-oneplus-sdm845"
+        "firmware-oneplus-sdm845-xz"
+      ];
+      system.build.uboot = pkgs.ubootImageEnchilada;
+      boot.initrd.includeDefaultModules = false;
+      boot.initrd.availableKernelModules = [
+        "sd_mod"
+        "usbhid"
+        "ehci_hcd" "ohci_hcd" "xhci_hcd" "uhci_hcd"
+        "ehci_pci" "ohci_pci" "xhci_pci"
+        "hid_generic" "hid_lenovo" "hid_apple" "hid_roccat"
+        "hid_logitech_hidpp" "hid_logitech_dj" "hid_microsoft" "hid_cherry"
+      ];
+      boot.initrd.kernelModules = [
+        "i2c_qcom_geni"
+        "rmi_core"
+        "rmi_i2c"
+        "qcom_spmi_haptics"
+        "dm_mod"
+      ];
+    }
+    (lib.mkIf cfg.buffyboard.enable {
+      boot.initrd.kernelModules = [ "uinput" "evdev" ];
+      boot.initrd.extraUtilsCommands = ''
+        copy_bin_and_libs ${pkgs.buffyboard}/bin/buffyboard
+        cp -a ${pkgs.libinput.out}/share $out/
+      '';
+      boot.initrd.extraUdevRulesCommands = ''
+        cp -v ${config.systemd.package}/lib/udev/rules.d/60-input-id.rules $out/
+        cp -v ${config.systemd.package}/lib/udev/rules.d/60-persistent-input.rules $out/
+        cp -v ${config.systemd.package}/lib/udev/rules.d/70-touchpad.rules $out/
+      '';
+      boot.initrd.preLVMCommands = ''
+        mkdir -p /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.libinput.name}/
+        ln -s "$(dirname "$(dirname "$(which buffyboard)")")"/share /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.libinput.name}/
+        buffyboard 2>/dev/null &
+      '';
+      boot.initrd.postMountCommands = ''
+        pkill -x buffyboard
+      '';
+      services.getty.extraArgs = [ "--skip-login" ];
+      services.getty.loginProgram = let
+        lockfile = "/tmp/buffyboard-lock.lock";
+      in pkgs.writeShellScript "login-with-buffyboard-once" ''
+        if [ ! -f '${lockfile}' ]; then
+          ${pkgs.coreutils}/bin/touch '${lockfile}'
+          ${pkgs.buffyboard}/bin/buffyboard 2>/dev/null &
+        fi
+        exec ${pkgs.shadow}/bin/login -f user
+      '';
+    })
+    (lib.mkIf cfg.rndis.enable {
+      boot.initrd.kernelModules = [ "configfs" "libcomposite" ];
+
+      boot.specialFileSystems = {
+        "/sys/kernel/config" = {
+          device = "configfs";
+          fsType = "configfs";
+          options = [ "nosuid" "noexec" "nodev" ];
+        };
+      };
+
+      boot.initrd.preLVMCommands = ''
+        mkdir -p /sys/kernel/config/usb_gadget/g1/strings/0x409
+        cd /sys/kernel/config/usb_gadget/g1
+        echo 0x18D1 > idVendor
+        echo 0xD001 > idProduct
+        echo oneplus-enchilada > strings/0x409/product
+        echo NixOS > strings/0x409/manufacturer
+        echo 0123456789 > strings/0x409/serialnumber
+
+        mkdir -p configs/c.1/strings/0x409
+        echo "USB network" > configs/c.1/strings/0x409/configuration
+
+        mkdir -p functions/ncm.usb0 || mkdir -p functions/rndis.usb0
+        ln -s functions/ncm.usb0 configs/c.1/ || ln -s functions/rndis.usb0 configs/c.1/
+
+        ls /sys/class/udc/ | head -n1 > UDC
+        cd /
+
+        ifconfig rndis0 172.16.42.1 || ifconfig usb0 172.16.42.1 || ifconfig eth0 172.16.42.1
+      '';
+
+      boot.initrd.network.enable = true;
+      boot.initrd.network.udhcpc.enable = false;
+      boot.initrd.network.ssh = {
+        enable = true;
+        port = 22;
+        authorizedKeys = config.users.users.root.openssh.authorizedKeys.keys;
+        hostKeys = [ "/secrets/initrd/ssh_host_ed25519_key" "/secrets/initrd/ssh_host_rsa_key" ];
+      };
+    })
+    (lib.mkIf cfg.adb.enable {
+      boot.initrd.kernelModules = [ "configfs" "libcomposite" "g_ffs" ];
+
+      boot.specialFileSystems = {
+        "/sys/kernel/config" = {
+          device = "configfs";
+          fsType = "configfs";
+          options = [ "nosuid" "noexec" "nodev" ];
+        };
+      };
+
+      boot.initrd.extraUtilsCommands = ''
+        copy_bin_and_libs ${pkgs.adbd}/bin/adbd
+        cp -pv ${pkgs.glibc.out}/lib/libnss_files.so.* $out/lib
+      '';
+
+      boot.initrd.preLVMCommands = ''
+        mkdir -p /sys/kernel/config/usb_gadget/g1/strings/0x409
+        cd /sys/kernel/config/usb_gadget/g1
+        echo 0x18D1 > idVendor
+        echo 0xD001 > idProduct
+        echo oneplus-enchilada > strings/0x409/product
+        echo NixOS > strings/0x409/manufacturer
+        echo 0123456789 > strings/0x409/serialnumber
+
+        mkdir -p configs/c.1/strings/0x409
+        echo adb > configs/c.1/strings/0x409/configuration
+
+        mkdir -p functions/ffs.adb
+        ln -s functions/ffs.adb configs/c.1/adb
+
+        mkdir -p /dev/usb-ffs/adb
+        mount -t functionfs adb /dev/usb-ffs/adb
+        adbd &
+
+        ls /sys/class/udc/ | head -n1 > UDC
+        cd /
+      '';
+
+      boot.initrd.postMountCommands = ''
+        pkill -x adbd
+      '';
+
+      systemd.services.adbd = {
+        description = "adb daemon";
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          ExecStart = "${pkgs.adbd}/bin/adbd";
+          Restart = "always";
+        };
+      };
+    })
+  ];
+}

system/hardware/oneplus-enchilada/pkgs.nix

@@ -0,0 +1,640 @@
+{ pkgs
+, pkgs'
+, lib
+, inputs
+, ... }:
+
+let
+  inherit (inputs) mobile-nixos;
+  mobile-pkgs = import "${mobile-nixos}/overlay/overlay.nix" pkgs' pkgs;
+in {
+  inherit (mobile-pkgs) mkbootimg qrtr;
+  pd-mapper = pkgs'.callPackage "${mobile-nixos}/overlay/qrtr/pd-mapper.nix" { };
+  tqftpserv = pkgs'.callPackage "${mobile-nixos}/overlay/qrtr/tqftpserv.nix" { };
+  rmtfs = pkgs'.callPackage "${mobile-nixos}/overlay/qrtr/rmtfs.nix" {
+    inherit (mobile-pkgs) qmic;
+  };
+  adbd = pkgs'.callPackage "${mobile-nixos}/overlay/adbd" {
+    libhybris = pkgs'.callPackage "${mobile-nixos}/overlay/libhybris" {
+      inherit (mobile-pkgs) android-headers;
+    };
+  };
+  q6voiced = pkgs.stdenv.mkDerivation {
+    pname = "q6voiced";
+    version = "unstable-2022-07-08";
+    src = pkgs.fetchFromGitLab {
+      owner = "postmarketOS";
+      repo = "q6voiced";
+      rev = "736138bfc9f7b455a96679e2d67fd922a8f16464";
+      hash = "sha256-7k5saedIALHlsFHalStqzKrqAyFKx0ZN9FhLTdxAmf4=";
+    };
+    buildInputs = with pkgs; [ dbus tinyalsa ];
+    nativeBuildInputs = with pkgs; [ pkg-config ];
+    buildPhase = ''cc $(pkg-config --cflags --libs dbus-1) -ltinyalsa -o q6voiced q6voiced.c'';
+    installPhase = ''install -m555 -Dt "$out/bin" q6voiced'';
+    meta.license = lib.licenses.mit;
+  };
+
+  alsa-ucm-conf-enchilada = pkgs.stdenvNoCC.mkDerivation {
+    pname = "alsa-ucm-conf-enchilada";
+    version = "unstable-2022-12-08";
+    src = pkgs.fetchFromGitLab {
+      owner = "sdm845-mainline";
+      repo = "alsa-ucm-conf";
+      rev = "9ed12836b269764c4a853411d38ccb6abb70b383";
+      hash = "sha256-QvGZGLEmqE+sZpd15fHb+9+MmoD5zoGT+pYqyWZLdkM=";
+    };
+    installPhase = ''
+      substituteInPlace ucm2/lib/card-init.conf --replace '"/bin' '"/run/current-system/sw/bin'
+      mkdir -p "$out"/share/alsa/ucm2/{OnePlus,conf.d/sdm845,lib}
+      mv ucm2/lib/card-init.conf "$out/share/alsa/ucm2/lib/"
+      mv ucm2/OnePlus/enchilada "$out/share/alsa/ucm2/OnePlus/"
+      ln -s ../../OnePlus/enchilada/enchilada.conf "$out/share/alsa/ucm2/conf.d/sdm845/OnePlus 6.conf"
+    '';
+    # to overwrite card-init.conf
+    meta.priority = -10;
+  };
+
+  ubootEnchilada = pkgs.buildUBoot {
+    defconfig = "qcom_defconfig";
+    version = "unstable-2023-12-11";
+    src = pkgs.fetchFromGitLab {
+      owner = "sdm845-mainline";
+      repo = "u-boot";
+      rev = "977b9279c610b862f9ef84fb3addbebb7c42166a";
+      hash = "sha256-ksI7qxozIjJ5E8uAJkX8ZuaaOHdv76XOzITaA8Vp/QA=";
+    };
+    makeFlags = [ "DEVICE_TREE=sdm845-oneplus-enchilada" ];
+    extraConfig = ''
+      CONFIG_BOOTDELAY=5
+    '';
+    extraMeta.platforms = [ "aarch64-linux" ];
+    patches = [ ];
+    filesToInstall = [ "u-boot-nodtb.bin" "u-boot-dtb.bin" "u-boot.dtb" ];
+  };
+
+  ubootImageEnchilada = pkgs.stdenvNoCC.mkDerivation {
+    name = "u-boot-enchilada.img";
+    nativeBuildInputs = [
+      # available from mobile-nixos's overlay
+      pkgs'.mkbootimg
+      pkgs'.gzip
+    ];
+    src = pkgs'.ubootEnchilada;
+    dontBuild = true;
+    dontFixup = true;
+    installPhase = ''
+      gzip u-boot-nodtb.bin
+      cat u-boot.dtb >> u-boot-nodtb.bin.gz
+      mkbootimg \
+        --base 0x0 \
+        --kernel_offset 0x8000 \
+        --ramdisk_offset 0x01000000 \
+        --tags_offset 0x100 \
+        --pagesize 4096 \
+        --kernel u-boot-nodtb.bin.gz \
+        -o "$out"
+    '';
+  };
+
+  firmware-oneplus-sdm845 = pkgs.stdenvNoCC.mkDerivation {
+    name = "firmware-oneplus-sdm845";
+    src = pkgs.fetchFromGitLab {
+      owner = "sdm845-mainline";
+      repo = "firmware-oneplus-sdm845";
+      rev = "dc9c77f220d104d7224c03fcbfc419a03a58765e";
+      hash = "sha256-jrbWIS4T9HgBPYOV2MqPiRQCxGMDEfQidKw9Jn5pgBI=";
+    };
+    installPhase = ''
+      cp -a . "$out"
+      cd "$out/lib/firmware/postmarketos"
+      find . -type f,l | xargs -i bash -c 'mkdir -p "$(dirname "../$1")" && mv "$1" "../$1"' -- {}
+      cd "$out/usr"
+      find . -type f,l | xargs -i bash -c 'mkdir -p "$(dirname "../$1")" && mv "$1" "../$1"' -- {}
+      cd ..
+      find "$out/lib/firmware/postmarketos" "$out/usr" | tac | xargs rmdir
+    '';
+    dontStrip = true;
+    # not actually redistributable, but who cares
+    meta.license = lib.licenses.unfreeRedistributableFirmware;
+  };
+
+  linux_enchilada = pkgs.linux_testing.override {
+    argsOverride.version = "6.7-rc3";
+    argsOverride.modDirVersion = lib.versions.pad 3 "6.7-rc3";
+
+    # TODO: uncomment
+    # ignoreConfigErrors = false;
+    kernelPatches = [
+      {
+        name = "linux_6_7";
+        patch = ./linux_6_7.patch;
+      }
+      {
+        name = "config_fixes";
+        patch = ./config_fixes.patch;
+      }
+    ];
+
+    postPatch = ''
+      substituteInPlace arch/arm64/configs/defconfig \
+        --replace CONFIG_QCOM_LLCC=m CONFIG_QCOM_LLCC=y \
+        --replace CONFIG_QCOM_OCMEM=m CONFIG_QCOM_OCMEM=y
+    '';
+
+    stdenv = lib.recursiveUpdate pkgs.stdenv {
+      hostPlatform.linux-kernel.extraConfig = "";
+    };
+
+    structuredExtraConfig = with lib.kernel; {
+      # fix build
+      LENOVO_YOGA_C630_EC = no;
+      RPMSG_QCOM_GLINK_SMEM = yes;
+      # useless lines, remove on update
+      DM_MIRROR = no;
+      DM_ZERO = no;
+      # for adb and stuff (doesn't have to be built-in, but it's easier that way)
+      USB_FUNCTIONFS = yes;
+      USB_LIBCOMPOSITE = yes;
+      USB_F_ACM = yes;
+      USB_U_SERIAL = yes;
+      USB_U_ETHER = yes;
+      USB_F_SERIAL = yes;
+      USB_F_OBEX = yes;
+      USB_F_NCM = yes;
+      USB_F_ECM = yes;
+      USB_F_EEM = yes;
+      USB_F_SUBSET = yes;
+      USB_F_RNDIS = yes;
+      USB_F_MASS_STORAGE = yes;
+      USB_F_FS = yes;
+      USB_F_HID = yes;
+      USB_CONFIGFS = yes;
+      USB_CONFIGFS_F_HID = yes;
+
+      # adapted from https://gitlab.com/sdm845-mainline/linux/-/blob/caf9d678d34f70173bf236584dfb819164283833/arch/arm64/configs/sdm845.config
+      # enchilada-specific
+      DRM_PANEL_SAMSUNG_SOFEF00 = yes;
+      BATTERY_BQ27XXX = module;
+      HID_RMI = module;
+      RMI4_CORE = module;
+      RMI4_I2C = module;
+      RMI4_F55 = yes;
+      # common sdm845
+      HIBERNATION = lib.mkForce no;
+      QCOM_RPROC_COMMON = yes;
+      FORCE_NR_CPUS = yes;
+      NR_CPUS = lib.mkForce (freeform "8");
+      SCSI_UFS_QCOM = yes;
+      QCOM_GSBI = yes;
+      QCOM_LLCC = yes;
+      QCOM_OCMEM = yes;
+      QCOM_RMTFS_MEM = yes;
+      QCOM_SOCINFO = yes;
+      QCOM_WCNSS_CTRL = yes;
+      QCOM_APR = yes;
+      POWER_RESET_QCOM_PON = yes;
+      QCOM_SPMI_TEMP_ALARM = yes;
+      QCOM_LMH = yes;
+      SCHED_CLUSTER = yes;
+      SND_SOC_QDSP6_Q6VOICE = module;
+      SCSI_UFS_BSG = yes;
+      PHY_QCOM_QMP_PCIE = yes;
+      BACKLIGHT_CLASS_DEVICE = yes;
+      INTERCONNECT_QCOM_OSM_L3 = yes;
+      LEDS_TRIGGER_PATTERN = yes;
+      LEDS_CLASS_MULTICOLOR = module;
+      LEDS_QCOM_LPG = module;
+      LEDS_QCOM_FLASH = module;
+      SLIMBUS = yes;
+      SLIM_QCOM_CTRL = yes;
+      SLIM_QCOM_NGD_CTRL = yes;
+      REMOTEPROC_CDEV = yes;
+      BATTERY_QCOM_FG = module;
+      CHARGER_QCOM_SMB2 = module;
+      QCOM_SPMI_RRADC = module;
+      DRM = yes;
+      DRM_MSM = yes;
+      REGULATOR_QCOM_LABIBB = yes;
+      BACKLIGHT_QCOM_WLED = yes;
+      INPUT_QCOM_SPMI_HAPTICS = module;
+      PM_AUTOSLEEP = yes;
+      SCSI_SCAN_ASYNC = yes;
+      DMABUF_HEAPS = yes;
+      UDMABUF = yes;
+      DMABUF_HEAPS_CMA = yes;
+      DMABUF_HEAPS_SYSTEM = yes;
+      HZ_1000 = yes;
+      RPMSG_CHAR = yes;
+      QCOM_Q6V5_ADSP = module;
+      BT_RFCOMM = yes;
+      BT_RFCOMM_TTY = yes;
+      BT_BNEP = yes;
+      BT_BNEP_MC_FILTER = yes;
+      BT_BNEP_PROTO_FILTER = yes;
+      BT_HS = yes;
+      BT_LE = yes;
+      QCOM_COINCELL = module;
+      QCOM_FASTRPC = module;
+      QCOM_SPMI_VADC = yes;
+      QCOM_SPMI_ADC5 = yes;
+      PHY_QCOM_QMP = yes;
+      PHY_QCOM_QUSB2 = yes;
+      PHY_QCOM_QMP_UFS = yes;
+      TYPEC = yes;
+      PHY_QCOM_QMP_COMBO = yes;
+      LEDS_CLASS_FLASH = yes;
+      TCP_CONG_WESTWOOD = yes;
+      DEFAULT_WESTWOOD = yes;
+      BLK_DEV_RAM = yes;
+      BLK_DEV_RAM_SIZE = freeform "8192";
+      CPU_FREQ_GOV_POWERSAVE = yes;
+      SYN_COOKIES = yes;
+      INPUT_UINPUT = module;
+      U_SERIAL_CONSOLE = yes;
+      USB_ANNOUNCE_NEW_DEVICES = yes;
+      BLK_INLINE_ENCRYPTION = yes;
+      PHY_QCOM_SNPS_EUSB2 = module;
+      MFD_QCOM_RPM = yes;
+      USB_DWC3_ULPI = yes;
+      SCSI_UFS_CRYPTO = yes;
+      PHY_QCOM_USB_HS = yes;
+      PHY_QCOM_USB_SNPS_FEMTO_V2 = yes;
+      INTERCONNECT_QCOM_SM6115 = yes;
+      SM_DISPCC_6115 = yes;
+      FS_ENCRYPTION_INLINE_CRYPT = yes;
+      CRYPTO_USER_API_AEAD = yes;
+      CRYPTO_DEV_QCE = yes;
+      DMA_CMA = yes;
+      SM_GPUCC_6115 = yes;
+      USB_ONBOARD_HUB = no; # breaks USB on qualcomm rb2... which i don't need, but i guess this won't hurt either way
+      INTERCONNECT_QCOM_QCM2290 = yes;
+      BRIDGE_NETFILTER = module;
+      # CONFIG END (essentially)
+
+      # the rest of the config is just disabling unneeded stuff, feel free to ignore this
+      ARCH_SPARX5 = no;
+      ARCH_MA35 = no;
+      ARCH_REALTEK = no;
+      ARCH_STM32 = no;
+      BLK_DEV_NVME = no;
+      ATA = no;
+      MTD = no;
+      SRAM = no;
+      MEGARAID_SAS = no;
+      EEPROM_AT25 = no;
+      USB_DWC2 = no;
+      USB_CHIPIDEA = no;
+      USB_MUSB_HDRC = no;
+      USB_ISP1760 = no;
+      USB_HSIC_USB3503 = no;
+      USB_NET_PLUSB = no;
+      TYPEC_FUSB302 = no;
+      EXTCON_PTN5150 = no;
+      NET_VENDOR_NI = no;
+      NET_9P = no;
+      CAN = no;
+      BNX2X = no;
+      MACB = no;
+      IGB = no;
+      IGBVF = no;
+      SMC91X = no;
+      MLX4_EN = no;
+      MLX5_CORE = no;
+      STMMAC_ETH = no;
+      ATL1C = no;
+      BRCMFMAC = no;
+      WL18XX = no;
+      ATH10K_PCI = no;
+      NET_SCH_CBS = no;
+      NET_SCH_ETF = no;
+      NET_SCH_TAPRIO = no;
+      NET_SCH_MQPRIO = no;
+      NET_CLS_BASIC = no;
+      NET_CLS_FLOWER = no;
+      NET_CLS_ACT = no;
+      MDIO_BUS_MUX_MMIOREG = no;
+      MDIO_BUS_MUX_MULTIPLEXER = no;
+      SND_SOC_ES7134 = no;
+      SND_SOC_ES7241 = no;
+      SND_SOC_TAS571X = no;
+      SND_SOC_SIMPLE_AMPLIFIER = no;
+      GPIO_DWAPB = no;
+      COMMON_CLK_XGENE = no;
+      SENSORS_ARM_SCPI = no;
+      TCG_TPM = no;
+      BATTERY_SBS = no;
+      REGULATOR_VCTRL = no;
+      CAVIUM_ERRATUM_22375 = no;
+      CAVIUM_ERRATUM_23154 = no;
+      CAVIUM_ERRATUM_27456 = no;
+      CAVIUM_ERRATUM_30115 = no;
+      CAVIUM_TX2_ERRATUM_219 = no;
+      EEPROM_AT24 = no;
+      NET_DSA = no;
+      AQUANTIA_PHY = no;
+      MICROSEMI_PHY = no;
+      VITESSE_PHY = no;
+      I2C_MUX_PCA954x = no;
+      SND_SOC_PCM3168A_I2C = no;
+      SENSORS_LM90 = no;
+      SENSORS_INA2XX = no;
+      RTC_DRV_DS3232 = no;
+      GPIO_MAX732X = no;
+      SENSORS_ISL29018 = no;
+      MPL3115 = no;
+      MFD_ROHM_BD718XX = no;
+      ARM_SBSA_WATCHDOG = no;
+      ARM_SMC_WATCHDOG = no;
+      REGULATOR_PCA9450 = no;
+      REGULATOR_PFUZE100 = no;
+      DRM_PANEL_ABT_Y030XX067A = no;
+      DRM_PANEL_ARM_VERSATILE = no;
+      DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 = no;
+      DRM_PANEL_AUO_A030JTN01 = no;
+      DRM_PANEL_BOE_BF060Y8M_AJ0 = no;
+      DRM_PANEL_BOE_HIMAX8279D = no;
+      DRM_PANEL_ELIDA_KD35T133 = no;
+      DRM_PANEL_FEIXIN_K101_IM2BA02 = no;
+      DRM_PANEL_FEIYANG_FY07024DI26A30D = no;
+      DRM_PANEL_HIMAX_HX8394 = no;
+      DRM_PANEL_ILITEK_IL9322 = no;
+      DRM_PANEL_ILITEK_ILI9341 = no;
+      DRM_PANEL_ILITEK_ILI9881C = no;
+      DRM_PANEL_ILITEK_ILI9882T = no;
+      DRM_PANEL_INNOLUX_EJ030NA = no;
+      DRM_PANEL_INNOLUX_P079ZCA = no;
+      DRM_PANEL_JADARD_JD9365DA_H3 = no;
+      DRM_PANEL_JDI_LPM102A188A = no;
+      DRM_PANEL_JDI_LT070ME05000 = no;
+      DRM_PANEL_JDI_R63452 = no;
+      DRM_PANEL_KHADAS_TS050 = no;
+      DRM_PANEL_KINGDISPLAY_KD097D04 = no;
+      DRM_PANEL_LEADTEK_LTK050H3146W = no;
+      DRM_PANEL_LEADTEK_LTK500HD1829 = no;
+      DRM_PANEL_LG_LB035Q02 = no;
+      DRM_PANEL_LG_LG4573 = no;
+      DRM_PANEL_MAGNACHIP_D53E6EA8966 = no;
+      DRM_PANEL_NEC_NL8048HL11 = no;
+      DRM_PANEL_NEWVISION_NV3051D = no;
+      DRM_PANEL_NEWVISION_NV3052C = no;
+      DRM_PANEL_NOVATEK_NT35510 = no;
+      DRM_PANEL_NOVATEK_NT35560 = no;
+      DRM_PANEL_NOVATEK_NT35950 = no;
+      DRM_PANEL_NOVATEK_NT36523 = no;
+      DRM_PANEL_NOVATEK_NT39016 = no;
+      DRM_PANEL_OLIMEX_LCD_OLINUXINO = no;
+      DRM_PANEL_ORISETECH_OTA5601A = no;
+      DRM_PANEL_ORISETECH_OTM8009A = no;
+      DRM_PANEL_OSD_OSD101T2587_53TS = no;
+      DRM_PANEL_PANASONIC_VVX10F034N00 = no;
+      DRM_PANEL_RASPBERRYPI_TOUCHSCREEN = no;
+      DRM_PANEL_RAYDIUM_RM67191 = no;
+      DRM_PANEL_RAYDIUM_RM68200 = no;
+      DRM_PANEL_RAYDIUM_RM692E5 = no;
+      DRM_PANEL_RONBO_RB070D30 = no;
+      DRM_PANEL_SAMSUNG_ATNA33XC20 = no;
+      DRM_PANEL_SAMSUNG_DB7430 = no;
+      DRM_PANEL_SAMSUNG_LD9040 = no;
+      DRM_PANEL_SAMSUNG_S6D16D0 = no;
+      DRM_PANEL_SAMSUNG_S6D27A1 = no;
+      DRM_PANEL_SAMSUNG_S6D7AA0 = no;
+      DRM_PANEL_SAMSUNG_S6E3HA2 = no;
+      DRM_PANEL_SAMSUNG_S6E63J0X03 = no;
+      DRM_PANEL_SAMSUNG_S6E63M0 = no;
+      DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01 = no;
+      DRM_PANEL_SAMSUNG_S6E8AA0 = no;
+      DRM_PANEL_SEIKO_43WVF1G = no;
+      DRM_PANEL_SHARP_LQ101R1SX01 = no;
+      DRM_PANEL_SHARP_LS037V7DW01 = no;
+      DRM_PANEL_SHARP_LS043T1LE01 = no;
+      DRM_PANEL_SHARP_LS060T1SX01 = no;
+      DRM_PANEL_SITRONIX_ST7701 = no;
+      DRM_PANEL_SITRONIX_ST7703 = no;
+      DRM_PANEL_SITRONIX_ST7789V = no;
+      DRM_PANEL_SONY_ACX565AKM = no;
+      DRM_PANEL_SONY_TD4353_JDI = no;
+      DRM_PANEL_SONY_TULIP_TRULY_NT35521 = no;
+      DRM_PANEL_STARTEK_KD070FHFID015 = no;
+      DRM_PANEL_TDO_TL070WSH30 = no;
+      DRM_PANEL_TPO_TD028TTEC1 = no;
+      DRM_PANEL_TPO_TD043MTEA1 = no;
+      DRM_PANEL_TPO_TPG110 = no;
+      DRM_PANEL_VISIONOX_R66451 = no;
+      DRM_PANEL_VISIONOX_RM69299 = no;
+      DRM_PANEL_WIDECHIPS_WS2401 = no;
+      DRM_PANEL_XINPENG_XPP055C272 = no;
+      DRM_NWL_MIPI_DSI = no;
+      SND_SOC_FSL_SAI = no;
+      SND_SOC_FSL_ASRC = no;
+      SND_SOC_FSL_MICFIL = no;
+      SND_SOC_FSL_AUDMIX = no;
+      SND_SOC_FSL_SPDIF = no;
+      SND_SOC_WM8904 = no;
+      RTC_DRV_RV8803 = no;
+      RTC_DRV_DS1307 = no;
+      RTC_DRV_PCF85363 = no;
+      RTC_DRV_PCF2127 = no;
+      FUJITSU_ERRATUM_010001 = no;
+      PCI_PASID = no;
+      UACCE = no;
+      SPI_CADENCE_QUADSPI = no;
+      DW_WATCHDOG = no;
+      NOP_USB_XCEIV = no;
+      SURFACE_PLATFORMS = no;
+      GPIO_PCA953X = no;
+      BACKLIGHT_LP855X = no;
+      MFD_MAX77620 = no;
+      SENSORS_PWM_FAN = no;
+      SENSORS_INA3221 = no;
+      REGULATOR_MAX8973 = no;
+      USB_CONN_GPIO = no;
+      MFD_BD9571MWV = no;
+      DRM_PANEL_LVDS = no;
+      COMMON_CLK_VC5 = no;
+      CRYPTO_DEV_CCREE = no;
+      VIDEO_IMX219 = no;
+      VIDEO_OV5645 = no;
+      SND_SOC_AK4613 = no;
+      SND_SIMPLE_CARD = no;
+      SND_AUDIO_GRAPH_CARD = no;
+      TYPEC_HD3SS3220 = no;
+      RTC_DRV_RX8581 = no;
+      COMMON_CLK_CS2000_CP = no;
+      KEYBOARD_ADC = no;
+      REGULATOR_FAN53555 = no;
+      TOUCHSCREEN_ATMEL_MXT = no;
+      RTC_DRV_HYM8563 = no;
+      MFD_SEC_CORE = no;
+      PL330_DMA = no;
+      GPIO_MB86S7X = no;
+      MMC_SDHCI_F_SDH30 = no;
+      MMC_SDHCI_CADENCE = no;
+      SOCIONEXT_SYNQUACER_PREITS = no;
+      NET_VENDOR_SOCIONEXT = no;
+      ARCH_ACTIONS = no;
+      ARCH_SUNXI = no;
+      ARCH_ALPINE = no;
+      ARCH_APPLE = no;
+      ARCH_BERLIN = no;
+      ARCH_EXYNOS = no;
+      ARCH_K3 = no;
+      ARCH_LG1K = no;
+      ARCH_HISI = no;
+      ARCH_KEEMBAY = no;
+      ARCH_MEDIATEK = no;
+      ARCH_MESON = no;
+      ARCH_MVEBU = no;
+      ARCH_RENESAS = no;
+      ARCH_ROCKCHIP = no;
+      ARCH_SEATTLE = no;
+      ARCH_INTEL_SOCFPGA = no;
+      ARCH_SYNQUACER = no;
+      ARCH_TEGRA = no;
+      ARCH_SPRD = no;
+      ARCH_THUNDER = no;
+      ARCH_THUNDER2 = no;
+      ARCH_UNIPHIER = no;
+      ARCH_VEXPRESS = no;
+      ARCH_VISCONTI = no;
+      ARCH_XGENE = no;
+      ARCH_ZYNQMP = no;
+      PCI_XGENE = no;
+      PCIE_ALTERA = no;
+      PCI_HOST_THUNDER_PEM = no;
+      PCI_HOST_THUNDER_ECAM = no;
+      PCI_HISI = no;
+      PCIE_KIRIN = no;
+      SERIAL_XILINX_PS_UART = no;
+      SERIAL_FSL_LPUART = no;
+      SERIAL_FSL_LINFLEXUART = no;
+      I2C_RK3X = no;
+      SPI_PL022 = no;
+      GPIO_ALTERA = no;
+      GPIO_PL061 = no;
+      GPIO_XGENE = no;
+      POWER_RESET_XGENE = no;
+      POWER_RESET_SYSCON = no;
+      GNSS_MTK_SERIAL = no;
+      ARM_SP805_WATCHDOG = no;
+      MFD_AXP20X_I2C = no;
+      MFD_HI6421_PMIC = no;
+      MFD_MT6397 = no;
+      REGULATOR_RK808 = no;
+      REGULATOR_TPS65132 = no;
+      MEDIA_ANALOG_TV_SUPPORT = lib.mkForce no;
+      MEDIA_DIGITAL_TV_SUPPORT = lib.mkForce no;
+      MEDIA_SDR_SUPPORT = no;
+      DRM_AMDGPU = no;
+      DRM_ETNAVIV = no;
+      DRM_HISI_KIRIN = no;
+      DRM_NOUVEAU = no;
+      SND_SOC_GTM601 = no;
+      SND_SOC_RT5659 = no;
+      SND_SOC_WM8960 = no;
+      SND_SOC_WM8962 = no;
+      USB_XHCI_PCI_RENESAS = no;
+      MMC_SDHCI_OF_ARASAN = no;
+      MMC_DW_EXYNOS = no;
+      MMC_DW_HI3798CV200 = no;
+      MMC_DW_K3 = no;
+      MMC_MTK = no;
+      MMC_SDHCI_XENON = no;
+      MMC_SDHCI_AM654 = no;
+      RTC_DRV_MAX77686 = no;
+      RTC_DRV_RK808 = no;
+      RTC_DRV_M41T80 = no;
+      RTC_DRV_RV3028 = no;
+      RTC_DRV_PL031 = no;
+      COMMON_CLK_RK808 = no;
+      FSL_RCPM = no;
+      HISI_PMU = no;
+      INTERCONNECT_QCOM_MSM8996 = no;
+      INTERCONNECT_QCOM_QCS404 = no;
+      INTERCONNECT_QCOM_SC7180 = no;
+      INTERCONNECT_QCOM_SM8150 = no;
+      INTERCONNECT_QCOM_SM8350 = no;
+      INTERCONNECT_QCOM_SM8450 = no;
+      INTERCONNECT_QCOM_SM8550 = no;
+      INTERCONNECT_QCOM_SC8280XP = no;
+      ARCH_NPCM = no;
+      PINCTRL_SC8280XP = no;
+      BCM_SBA_RAID = no;
+      SENSORS_GPIO_FAN = no;
+      ARCH_BCM = no;
+      ARCH_NXP = no;
+      NET_VENDOR_ADI = no;
+      PINCTRL_SC8180X = no;
+      SND_SOC_SC7180 = no;
+      SND_SOC_SC7280 = no;
+      SND_SOC_WCD938X_SDW = no;
+      MMC_SDHCI_OF_DWCMSHC = no;
+      SC_GCC_8180X = no;
+      IOMMU_IO_PGTABLE_DART = no;
+      INTERCONNECT_QCOM_SC8180X = no;
+      MEMORY_HOTPLUG = lib.mkForce no;
+      MELLANOX_PLATFORM = no;
+      CHROME_PLATFORMS = lib.mkForce no;
+      PINCTRL_SM8150 = no;
+      SM_GCC_8150 = no;
+      SM_VIDEOCC_8150 = no;
+      SM_GPUCC_8150 = no;
+      SM_GPUCC_8350 = no;
+      SM_VIDEOCC_8350 = no;
+      PINCTRL_SM8350 = no;
+      SM_GCC_8350 = no;
+      SM_DISPCC_8450 = no;
+      PINCTRL_SM8550 = no;
+      PINCTRL_SM8550_LPASS_LPI = no;
+      SM_DISPCC_8550 = no;
+      SM_TCSRCC_8550 = no;
+
+      # keys that are unused in this case
+      # (builtin aarch64-linux config is unused too, but i cant disable it)
+      ACPI_HOTPLUG_MEMORY.tristate = lib.mkForce null; BCM2835_MBOX.tristate = lib.mkForce null; BCM2835_WDT.tristate = lib.mkForce null;
+      CHROMEOS_TBMC.tristate = lib.mkForce null; CROS_EC.tristate = lib.mkForce null; CROS_EC_I2C.tristate = lib.mkForce null;
+      CROS_EC_SPI.tristate = lib.mkForce null; CROS_KBD_LED_BACKLIGHT.tristate = lib.mkForce null;
+      FSL_MC_UAPI_SUPPORT.tristate = lib.mkForce null; MEDIA_ATTACH.tristate = lib.mkForce null;
+      MEMORY_HOTREMOVE.tristate = lib.mkForce null; MTD_COMPLEX_MAPPINGS.tristate = lib.mkForce null; NET_ACT_BPF.tristate = lib.mkForce null;
+      PCI_TEGRA.tristate = lib.mkForce null; RASPBERRYPI_FIRMWARE.tristate = lib.mkForce null; RASPBERRYPI_POWER.tristate = lib.mkForce null;
+      SCSI_SAS_ATA.tristate = lib.mkForce null; SUN8I_DE2_CCU.tristate = lib.mkForce null;
+      TCG_TIS_SPI_CR50.tristate = lib.mkForce null; USB_XHCI_TEGRA = lib.mkForce no; ZONE_DEVICE.tristate = lib.mkForce null;
+      "9P_FSCACHE".tristate = lib.mkForce null; CROS_EC_ISHTP.tristate = lib.mkForce null; CROS_EC_LPC.tristate = lib.mkForce null;
+      DRM_AMDGPU_CIK.tristate = lib.mkForce null; DRM_AMDGPU_SI.tristate = lib.mkForce null; DRM_AMDGPU_USERPTR.tristate = lib.mkForce null;
+      DRM_AMD_DC_FP.tristate = lib.mkForce null; DRM_AMD_DC_SI.tristate = lib.mkForce null; DRM_DP_AUX_CHARDEV.tristate = lib.mkForce null;
+      DRM_FBDEV_EMULATION.tristate = lib.mkForce null; DRM_GMA500.tristate = lib.mkForce null; DRM_LEGACY.tristate = lib.mkForce null;
+      DRM_LOAD_EDID_FIRMWARE.tristate = lib.mkForce null; DRM_VBOXVIDEO.tristate = lib.mkForce null;
+      DRM_VC4_HDMI_CEC.tristate = lib.mkForce null; FB_3DFX_ACCEL.tristate = lib.mkForce null; FB_ATY_CT.tristate = lib.mkForce null;
+      FB_ATY_GX.tristate = lib.mkForce null; FB_EFI.tristate = lib.mkForce null; FB_NVIDIA_I2C.tristate = lib.mkForce null;
+      FB_RIVA_I2C.tristate = lib.mkForce null; FB_SAVAGE_ACCEL.tristate = lib.mkForce null; FB_SAVAGE_I2C.tristate = lib.mkForce null;
+      FB_SIS_300.tristate = lib.mkForce null; FB_SIS_315.tristate = lib.mkForce null;
+      FB_VESA.tristate = lib.mkForce null; FONTS.tristate = lib.mkForce null; FONT_8x8.tristate = lib.mkForce null;
+      FONT_TER16x32.tristate = lib.mkForce null; FRAMEBUFFER_CONSOLE.tristate = lib.mkForce null;
+      FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER.tristate = lib.mkForce null;
+      FRAMEBUFFER_CONSOLE_DETECT_PRIMARY.tristate = lib.mkForce null; FRAMEBUFFER_CONSOLE_ROTATION.tristate = lib.mkForce null;
+      HMM_MIRROR.tristate = lib.mkForce null; HSA_AMD.tristate = lib.mkForce null; HYPERVISOR_GUEST.tristate = lib.mkForce null;
+      INFINIBAND_IPOIB.tristate = lib.mkForce null; INFINIBAND_IPOIB_CM.tristate = lib.mkForce null;
+      IP_MROUTE_MULTIPLE_TABLES.tristate = lib.mkForce null; JOYSTICK_PSXPAD_SPI_FF.tristate = lib.mkForce null;
+      KERNEL_ZSTD.tristate = lib.mkForce null; KEYBOARD_APPLESPI.tristate = lib.mkForce null; KVM_ASYNC_PF.tristate = lib.mkForce null;
+      KVM_GENERIC_DIRTYLOG_READ_PROTECT.tristate = lib.mkForce null; KVM_GUEST.tristate = lib.mkForce null; KVM_MMIO.tristate = lib.mkForce null;
+      KVM_VFIO.tristate = lib.mkForce null; LOGO.tristate = lib.mkForce null; MICROCODE.tristate = lib.mkForce null;
+      MOUSE_PS2_VMMOUSE.tristate = lib.mkForce null; MTRR_SANITIZER.tristate = lib.mkForce null; NFS_FSCACHE.tristate = lib.mkForce null;
+      PINCTRL_BAYTRAIL.tristate = lib.mkForce null;
+      PINCTRL_CHERRYVIEW.tristate = lib.mkForce null; PM_ADVANCED_DEBUG.tristate = lib.mkForce null; PM_TRACE_RTC.tristate = lib.mkForce null;
+      SND_AC97_POWER_SAVE.tristate = lib.mkForce null; SND_DYNAMIC_MINORS.tristate = lib.mkForce null;
+      SND_HDA_INPUT_BEEP.tristate = lib.mkForce null; SND_HDA_PATCH_LOADER.tristate = lib.mkForce null;
+      SND_HDA_RECONFIG.tristate = lib.mkForce null; SND_OSSEMUL.tristate = lib.mkForce null; SND_USB_CAIAQ_INPUT.tristate = lib.mkForce null;
+      VFIO_PCI_VGA.tristate = lib.mkForce null; VGA_SWITCHEROO.tristate = lib.mkForce null; X86_AMD_PLATFORM_DEVICE.tristate = lib.mkForce null;
+      X86_CHECK_BIOS_CORRUPTION.tristate = lib.mkForce null; X86_MCE.tristate = lib.mkForce null;
+      X86_PLATFORM_DRIVERS_DELL.tristate = lib.mkForce null; X86_PLATFORM_DRIVERS_HP.tristate = lib.mkForce null;
+      JOYSTICK_XPAD_FF.tristate = lib.mkForce null; JOYSTICK_XPAD_LEDS.tristate = lib.mkForce null; KEXEC_JUMP.tristate = lib.mkForce null;
+      PERF_EVENTS_AMD_BRS.tristate = lib.mkForce null; HVC_XEN.tristate = lib.mkForce null; HVC_XEN_FRONTEND.tristate = lib.mkForce null;
+      PARAVIRT_SPINLOCKS.tristate = lib.mkForce null; PCI_XEN.tristate = lib.mkForce null; SWIOTLB_XEN.tristate = lib.mkForce null;
+      VBOXGUEST.tristate = lib.mkForce null; XEN_BACKEND.tristate = lib.mkForce null; XEN_BALLOON.tristate = lib.mkForce null;
+      XEN_BALLOON_MEMORY_HOTPLUG.tristate = lib.mkForce null; XEN_DOM0.tristate = lib.mkForce null; XEN_EFI.tristate = lib.mkForce null;
+      XEN_HAVE_PVMMU.tristate = lib.mkForce null; XEN_MCE_LOG.tristate = lib.mkForce null; XEN_PVH.tristate = lib.mkForce null;
+      XEN_PVHVM.tristate = lib.mkForce null; XEN_SAVE_RESTORE.tristate = lib.mkForce null; XEN_SYS_HYPERVISOR.tristate = lib.mkForce null;
+    };
+  };
+  linux_enchilada_ccache = pkgs'.buildLinuxWithCcache pkgs'.linux_enchilada;
+}

system/hosts/nixmsi.nix

@@ -1,11 +1,12 @@
 { lib
 , pkgs
 , config
+, inputs
 , ... }:
 
 /*
   # for old kernel versions
-  zenKernels = pkgs.callPackage "${nixpkgs}/pkgs/os-specific/linux/kernel/zen-kernels.nix";
+  zenKernels = pkgs.callPackage "${pkgs.path}/pkgs/os-specific/linux/kernel/zen-kernels.nix";
   zenKernel = (version: sha256: (zenKernels {
     kernelPatches = [
       pkgs.linuxKernel.kernelPatches.bridge_stp_helper
@@ -26,6 +27,8 @@
 */
 
 {
+  imports = [ inputs.nix-gaming.nixosModules.pipewireLowLatency ];
+
   system.stateVersion = "22.11";
 
   ### SECTION 1: HARDWARE/BOOT PARAMETERS ###
@@ -122,26 +125,15 @@
   # users.groups.wireshark.members = [ config.common.mainUsername ];
   services.printing.enable = true;
   services.printing.drivers = [ pkgs.hplip ];
-  services.pipewire = {
+  # from nix-gaming
-    enable = true;
+  services.pipewire.lowLatency = {
-    alsa.enable = true;
+    enable = false;
-    alsa.support32Bit = true;
+    # 96 is mostly fine but has some xruns
-    pulse.enable = true;
+    # 128 has xruns every now and then too
-    jack.enable = true;
+    quantum = 128;
-
+    rate = 48000;
-    # from nix-gaming
-    lowLatency = {
-      enable = true;
-      # 96 is mostly fine but has some xruns
-      # 128 has xruns every now and then too, but is overall fine
-      quantum = 128;
-      rate = 48000;
-    };
   };
-  security.polkit.enable = true;
-  security.rtkit.enable = true;
 
-  services.dbus.enable = true;
   programs.sway.enable = true;
   xdg.portal = {
     enable = true;

system/hosts/phone/default.nix

@@ -1,8 +1,8 @@
-# WIP (I don't even have the phone yet)
-
 { pkgs
-, config
+, lib
-, ... }:
+# , config
+, ...
+}:
 
 {
   system.stateVersion = "23.11";
@@ -15,26 +15,12 @@
     { from = 1714; to = 1764; }
   ];
 
-  networking.wireless.iwd.enable = true;
   common.minimal = false;
-  services.pipewire = {
+  programs.sway.enable = true;
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    jack.enable = true;
-  };
-  security.polkit.enable = true;
-  security.rtkit.enable = true;
   xdg.portal = {
     enable = true;
     extraPortals = with pkgs; [ xdg-desktop-portal-gtk xdg-desktop-portal-wlr ];
   };
   services.sshd.enable = true;
-  users.users.${config.common.mainUsername}.extraGroups = [ "video" "feedbackd" "dialout" ];
+  # users.users.${config.common.mainUsername}.extraGroups = [ "video" "feedbackd" "dialout" ];
-
-  mobile.generatedFilesystems.rootfs = {
-    filesystem = "btrfs";
-    btrfs.partitionID = "44444444-4444-4444-8888-888888888888";
-  };
 }

system/hosts/router/metrics.nix

@@ -31,6 +31,18 @@ in {
       ];
       listenAddress = netAddresses.lan4;
     };
+    ping = {
+      enable = true;
+      listenAddress = netAddresses.lan4;
+      port = 9380;
+      config = {
+        type = "raw";
+        targets = [
+          "8.8.8.8"
+          { target = "8.8.8.8"; netns = "wan"; }
+        ];
+      };
+    };
   };
   router.interfaces.br0 = let
     # all of this just to avoid logging commands...

system/hosts/server/default.nix

@@ -134,13 +134,12 @@ in {
       })}'')}
     real_ip_header CF-Connecting-IP;
   '';
-  # brotli and zstd requires recompilation so I don't enable it
+  services.nginx.recommendedBrotliSettings = true;
-  # services.nginx.recommendedBrotliSettings = true;
-  # services.nginx.recommendedZstdSettings = true;
   services.nginx.recommendedGzipSettings = true;
   services.nginx.recommendedOptimisation = true;
   services.nginx.recommendedProxySettings = true;
   services.nginx.recommendedTlsSettings = true;
+  services.nginx.recommendedZstdSettings = true;
 
   # BLOG
   services.nginx.virtualHosts.${cfg.domainName} = {

system/hosts/server/home.nix

@@ -1,6 +1,7 @@
 { config
 , lib
 , pkgs
+, inputs
 , ... }:
 
 let
@@ -16,6 +17,8 @@ let
     withQt5 = false;
   };
 in {
+  imports = [ inputs.coop-ofd.nixosModules.default ];
+
   # a bunch of services for personal use not intended for the public
   # TODO: keycloakify this
   services.grafana = {
@@ -315,6 +318,7 @@ in {
             "retracker.local:9101"
             "retracker.local:9256"
             "retracker.local:9167"
+            "retracker.local:9380"
           ];
           labels.machine = "router";
         } ];

system/hosts/server/mailserver.nix

@@ -1,10 +1,13 @@
 { config
 , pkgs
+, inputs
 , ... }:
 
 let
   cfg = config.server;
 in {
+  imports = [ inputs.nixos-mailserver.nixosModules.default ];
+
   impermanence.directories = [
     { directory = config.mailserver.dkimKeyDirectory; user = "opendkim"; group = "opendkim"; mode = "0755"; }
     { directory = config.mailserver.mailDirectory; user = "virtualMail"; group = "virtualMail"; mode = "0700"; }

system/hosts/server/maubot.nix

@@ -1,11 +1,14 @@
 { config
 , lib
 , pkgs
+, inputs
 , ... }:
 
 let
   cfg = config.server;
 in {
+  imports = [ inputs.maubot.nixosModules.default ];
+
   services.nginx.virtualHosts."matrix.${cfg.domainName}".locations = let
     inherit (config.services.maubot) settings;
   in {

system/modules/common.nix

@@ -1,11 +1,13 @@
 { lib
 , pkgs
 , config
+, inputs
 , ... }:
 
 let
   # force some defaults even if they were set with mkDefault already...
   mkForceDefault = lib.mkOverride 999;
+  cfg = config.common;
 in {
   options.common = with lib; mkOption {
     type = types.submodule {
@@ -34,9 +36,8 @@ in {
     };
     default = { };
   };
-  config = let
+  config = lib.mkMerge [
-    cfg = config.common;
+  {
-  in {
     nix = {
       # nix.channel.enable is needed for NIX_PATH to work for some reason
       # channel.enable = false;
@@ -58,15 +59,35 @@ in {
         options = "--delete-older-than 30d";
       };
       package = pkgs.nixForNixPlugins;
+      extraOptions = ''
+        plugin-files = ${pkgs.nix-plugins.override { nix = config.nix.package; }}/lib/nix/plugins/libnix-extra-builtins.so
+      '';
     };
     systemd.services.nix-daemon.serviceConfig.LimitSTACKSoft = "infinity";
     nix.daemonCPUSchedPolicy = lib.mkDefault "idle";
     nix.daemonIOSchedClass = lib.mkDefault "idle";
+
+    # registry is used for the new flaky nix command
+    nix.registry =
+      builtins.mapAttrs
+      (_: v: { flake = v; })
+      (lib.filterAttrs (_: v: v?outputs) inputs);
+
+    # add import'able flake inputs (like nixpkgs) to nix path
+    # nix path is used for old nix commands (like nix-build, nix-shell)
+    environment.etc = lib.mapAttrs'
+      (name: value: {
+        name = "nix/inputs/${name}";
+        value.source = value.outPath or "${value}";
+      })
+      (lib.filterAttrs (_: v: builtins.pathExists "${v}/default.nix") inputs);
+    nix.nixPath = [ "/etc/nix/inputs" ];
+
     boot.kernelParams = lib.optionals (cfg.resolution != null) [
       "consoleblank=60"
-    ] ++ (lib.optionals (cfg.resolution == "1920x1080") [
+    ] ++ lib.optionals (cfg.resolution == "1920x1080") [
       "fbcon=font:TER16x32"
-    ]);
+    ];
     console.font =
       lib.mkIf (cfg.resolution == "1920x1080" || cfg.resolution == "1366x768") {
         "1920x1080" = "${pkgs.terminus_font}/share/consolefonts/ter-v32n.psf.gz";
@@ -81,9 +102,11 @@ in {
 
     hardware.enableRedistributableFirmware = true;
     services.openssh.settings.PasswordAuthentication = false;
+
     services.tlp.settings.USB_EXCLUDE_PHONE = 1;
     services.tlp.settings.START_CHARGE_THRESH_BAT0 = 75;
     services.tlp.settings.STOP_CHARGE_THRESH_BAT0 = 80;
+
     i18n.defaultLocale = lib.mkDefault "en_US.UTF-8";
     i18n.supportedLocales = lib.mkDefault [
       "C.UTF-8/UTF-8"
@@ -92,50 +115,17 @@ in {
     ];
     # ISO-8601
     i18n.extraLocaleSettings.LC_TIME = "en_DK.UTF-8";
-    environment.systemPackages = with pkgs; ([
+    environment.systemPackages = with pkgs; [
       bottom
-      wget
       git
+      rsync
       tmux
-    ] ++ lib.optionals cfg.minimal [
+      wget
+
       kitty.terminfo
       # rxvt-unicode-unwrapped.terminfo
-    ]);
+    ];
-    programs.fish.interactiveShellInit = lib.mkIf cfg.minimal ''
-      set -gx SHELL ${pkgs.zsh}/bin/zsh
-      set -g fish_color_autosuggestion 777 brblack
-      set -g fish_color_command green
-      set -g fish_color_operator white
-      set -g fish_color_param white
-      set -g fish_key_bindings fish_vi_key_bindings
-      set -g fish_cursor_insert line
-      set -g fish_cursor_replace underscore
-    '';
-    programs.vim = lib.mkIf cfg.minimal {
-      defaultEditor = lib.mkDefault true;
-      package = pkgs.vim-full.customize {
-        vimrcConfig.customRC = ''
-          syntax on
-          au FileType markdown set colorcolumn=73 textwidth=72
-          au FileType gitcommit set colorcolumn=73
-          au BufReadPre * set foldmethod=syntax
-          au BufReadPost * folddoc foldopen!
-          autocmd BufReadPost * if @% !~# '\.git[\/\\]COMMIT_EDITMSG$' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
-        '';
-        vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; {
-          start = [ vim-sleuth ];
-        };
-      };
-    };
-    # this is supposed to default to false, but it doesn't because of nixos fish module
-    documentation.man.generateCaches = lib.mkIf cfg.minimal (mkForceDefault false);
-    # we don't need stuff like html files (NixOS manual and so on) on minimal machines
-    documentation.doc.enable = lib.mkIf cfg.minimal (lib.mkDefault false);
     programs.fish.enable = true;
-    # conflicts with bash module's mkDefault
-    # only override on minimal systems because on non-minimal systems
-    # because my fish config doesn't work well in fb/drm console
-    users.defaultUserShell = lib.mkIf cfg.minimal (mkForceDefault pkgs.fish);
     users.users.${cfg.mainUsername} = {
       uid = 1000;
       isNormalUser = true;
@@ -143,17 +133,6 @@ in {
     };
     # nixos-hardware uses mkDefault here, so we use slightly higher priority
     services.xserver.libinput.enable = mkForceDefault (!cfg.minimal);
-    /*
-    services.xserver = {
-      enable = true;
-      libinput.enable = true;
-      desktopManager.xterm.enable = false;
-      # I couldn't get lightdm to start sway, so let's just do this
-      displayManager.startx.enable = true;
-      windowManager.i3.enable = true;
-    };
-    */
-    # pipewire:
     programs.fuse.userAllowOther = true;
     # autologin once after boot
     # --skip-login means directly call login instead of first asking for username
@@ -169,5 +148,58 @@ in {
         exec ${shadow}/bin/login -f user
       fi
     '');
-  };
+  }
+
+  (lib.mkIf cfg.minimal {
+    programs.fish.interactiveShellInit = ''
+      set -gx SHELL ${pkgs.zsh}/bin/zsh
+      set -g fish_color_autosuggestion 777 brblack
+      set -g fish_color_command green
+      set -g fish_color_operator white
+      set -g fish_color_param white
+      set -g fish_key_bindings fish_vi_key_bindings
+      set -g fish_cursor_insert line
+      set -g fish_cursor_replace underscore
+    '';
+    # this is supposed to default to false, but it doesn't because of nixos fish module
+    documentation.man.generateCaches = mkForceDefault false;
+    # we don't need stuff like html files (NixOS manual and so on) on minimal machines
+    documentation.doc.enable = lib.mkDefault false;
+    # conflicts with bash module's mkDefault
+    # only override on minimal systems because on non-minimal systems
+    # my fish config doesn't work well in fb/drm console
+    users.defaultUserShell = lib.mkIf cfg.minimal (mkForceDefault pkgs.fish);
+
+    programs.vim = {
+      defaultEditor = lib.mkDefault true;
+      package = pkgs.vim-full.customize {
+        vimrcConfig.customRC = ''
+          syntax on
+          au FileType markdown set colorcolumn=73 textwidth=72
+          au FileType gitcommit set colorcolumn=73
+          au BufReadPre * set foldmethod=syntax
+          au BufReadPost * folddoc foldopen!
+          autocmd BufReadPost * if @% !~# '\.git[\/\\]COMMIT_EDITMSG$' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
+        '';
+        vimrcConfig.packages.myVimPackage = with pkgs.vimPlugins; {
+          start = [ vim-sleuth ];
+        };
+      };
+    };
+  })
+
+  (lib.mkIf (!cfg.minimal) {
+    services.pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+      jack.enable = true;
+    };
+    security.polkit.enable = true;
+    security.rtkit.enable = true;
+    services.dbus.enable = true;
+  })
+
+  ];
 }

system/modules/impermanence.nix

@@ -75,7 +75,7 @@ in {
         { directory = config.programs.ccache.cacheDir; user = "root"; group = "nixbld"; mode = "0770"; }
         { directory = /var/cache/sccache; user = "root"; group = "nixbld"; mode = "0770"; }
       ] ++ lib.optionals (config.services.coop-ofd.enable or false) [
-        { directory = /var/lib/coop-ofd; mode = "0750"; }
+        { directory = /var/lib/private/coop-ofd; mode = "0750"; }
       ] ++ lib.optionals config.services.dovecot2.enable [
         { directory = /var/lib/dhparams; user = "root"; group = "root"; mode = "0755"; }
         { directory = /var/lib/dovecot; user = "root"; group = "root"; mode = "0755"; }
@@ -106,6 +106,10 @@ in {
         { directory = /var/lib/murmur; user = "murmur"; group = "murmur"; mode = "0700"; }
       ] ++ lib.optionals config.services.nextcloud.enable [
         { directory = /var/lib/nextcloud; user = "nextcloud"; group = "nextcloud"; mode = "0750"; }
+      ] ++ lib.optionals config.networking.networkmanager.enable [
+        { directory = /etc/NetworkManager/system-connections; mode = "0700"; }
+        { directory = /var/lib/NetworkManager; mode = "0755"; }
+        { directory = /var/lib/NetworkManager-fortisslvpn; mode = "0700"; }
       ] ++ lib.optionals config.services.opendkim.enable [
         { directory = /var/lib/opendkim; user = "opendkim"; group = "opendkim"; mode = "0700"; }
       ] ++ lib.optionals config.services.openldap.enable [

system/modules/modemmanager.nix

@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.networking.modemmanager;
+  packages = [ pkgs.modemmanager ];
+in
+{
+  options.networking.modemmanager = {
+    enable = lib.mkEnableOption "ModemManager";
+  };
+
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      {
+        assertion = !config.networking.networkmanager.enable;
+        message = "If you use NetworkManager, this module is redundant";
+      }
+    ];
+
+    environment.etc = builtins.listToAttrs
+      (map ({ id, path }: { name = "ModemManager/fcc-unlock.d/${id}"; value.source = path; })
+        config.networking.networkmanager.fccUnlockScripts);
+
+    users.groups.networkmanager.gid = config.ids.gids.networkmanager;
+
+    systemd.services.ModemManager.aliases = [ "dbus-org.freedesktop.ModemManager1.service" ];
+
+    security.polkit.enable = true;
+    security.polkit.extraConfig = ''
+      polkit.addRule(function(action, subject) {
+        if (subject.isInGroup("networkmanager") && (action.id.indexOf("org.freedesktop.ModemManager") == 0)) {
+          return polkit.Result.YES;
+        }
+      });
+    '';
+
+    environment.systemPackages = packages;
+    systemd.packages = packages;
+    services.udev.packages = packages;
+  };
+}

system/modules/ping-exporter.nix

@@ -0,0 +1,151 @@
+{ config
+, lib
+, pkgs
+, ...
+}:
+
+let
+  cfg = config.services.prometheus.exporters.ping;
+  inherit (lib) concatStrings literalExpression mkMerge mkDefault mkEnableOption mkIf mkOption types;
+  # copied from nixpkgs/nixos/modules/services/monitoring/prometheus/exporters
+  mkExporterOpts = { name, port }: {
+    enable = mkEnableOption (lib.mdDoc "the prometheus ${name} exporter");
+    port = mkOption {
+      type = types.port;
+      default = port;
+      description = lib.mdDoc ''
+        Port to listen on.
+      '';
+    };
+    listenAddress = mkOption {
+      type = types.str;
+      default = "0.0.0.0";
+      description = lib.mdDoc ''
+        Address to listen on.
+      '';
+    };
+    extraFlags = mkOption {
+      type = types.listOf types.str;
+      default = [];
+      description = lib.mdDoc ''
+        Extra commandline options to pass to the ${name} exporter.
+      '';
+    };
+    openFirewall = mkOption {
+      type = types.bool;
+      default = false;
+      description = lib.mdDoc ''
+        Open port in firewall for incoming connections.
+      '';
+    };
+    firewallFilter = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      example = literalExpression ''
+        "-i eth0 -p tcp -m tcp --dport ${toString port}"
+      '';
+      description = lib.mdDoc ''
+        Specify a filter for iptables to use when
+        {option}`services.prometheus.exporters.${name}.openFirewall`
+        is true. It is used as `ip46tables -I nixos-fw firewallFilter -j nixos-fw-accept`.
+      '';
+    };
+    user = mkOption {
+      type = types.str;
+      default = "${name}-exporter";
+      description = lib.mdDoc ''
+        User name under which the ${name} exporter shall be run.
+      '';
+    };
+    group = mkOption {
+      type = types.str;
+      default = "${name}-exporter";
+      description = lib.mdDoc ''
+        Group under which the ${name} exporter shall be run.
+      '';
+    };
+  };
+  mkExporterConf = { name, conf, serviceOpts }:
+    let
+      enableDynamicUser = serviceOpts.serviceConfig.DynamicUser or true;
+    in
+    mkIf conf.enable {
+      warnings = conf.warnings or [];
+      users.users."${name}-exporter" = (mkIf (conf.user == "${name}-exporter" && !enableDynamicUser) {
+        description = "Prometheus ${name} exporter service user";
+        isSystemUser = true;
+        inherit (conf) group;
+      });
+      users.groups = (mkIf (conf.group == "${name}-exporter" && !enableDynamicUser) {
+        "${name}-exporter" = {};
+      });
+      networking.firewall.extraCommands = mkIf conf.openFirewall (concatStrings [
+        "ip46tables -A nixos-fw ${conf.firewallFilter} "
+        "-m comment --comment ${name}-exporter -j nixos-fw-accept"
+      ]);
+      systemd.services."prometheus-${name}-exporter" = mkMerge ([{
+        wantedBy = [ "multi-user.target" ];
+        after = [ "network.target" ];
+        serviceConfig.Restart = mkDefault "always";
+        serviceConfig.PrivateTmp = mkDefault true;
+        serviceConfig.WorkingDirectory = mkDefault /tmp;
+        serviceConfig.DynamicUser = mkDefault enableDynamicUser;
+        serviceConfig.User = mkDefault conf.user;
+        serviceConfig.Group = conf.group;
+        # Hardening
+        serviceConfig.CapabilityBoundingSet = mkDefault [ "" ];
+        serviceConfig.DeviceAllow = [ "" ];
+        serviceConfig.LockPersonality = true;
+        serviceConfig.MemoryDenyWriteExecute = true;
+        serviceConfig.NoNewPrivileges = true;
+        serviceConfig.PrivateDevices = mkDefault true;
+        serviceConfig.ProtectClock = mkDefault true;
+        serviceConfig.ProtectControlGroups = true;
+        serviceConfig.ProtectHome = true;
+        serviceConfig.ProtectHostname = true;
+        serviceConfig.ProtectKernelLogs = true;
+        serviceConfig.ProtectKernelModules = true;
+        serviceConfig.ProtectKernelTunables = true;
+        serviceConfig.ProtectSystem = mkDefault "strict";
+        serviceConfig.RemoveIPC = true;
+        serviceConfig.RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
+        serviceConfig.RestrictNamespaces = true;
+        serviceConfig.RestrictRealtime = true;
+        serviceConfig.RestrictSUIDSGID = true;
+        serviceConfig.SystemCallArchitectures = "native";
+        serviceConfig.UMask = "0077";
+      } serviceOpts ]);
+  };
+  format = pkgs.formats.toml { };
+in {
+  options.services.prometheus.exporters.ping = mkExporterOpts { name = "ping"; port = 9390; } // {
+    config = mkOption {
+      type = format.type;
+      default = { };
+      description = "Exporter config";
+    };
+  };
+  config = mkExporterConf {
+    name = "ping";
+    conf = cfg;
+    serviceOpts = {
+      serviceConfig = rec {
+        # netns switching
+        AmbientCapabilities = [
+          # set network namespace
+          "CAP_SYS_ADMIN"
+          # open icmp socket
+          "CAP_NET_RAW"
+        ];
+        CapabilityBoundingSet = AmbientCapabilities;
+        RestrictNamespaces = lib.mkForce false;
+        ExecStart = ''
+          ${pkgs.ping-exporter}/bin/ping-exporter \
+            --listen ${cfg.listenAddress}:${toString cfg.port} \
+            --config ${format.generate "ping-exporter-config.toml" cfg.config} \
+            ${lib.escapeShellArgs cfg.extraFlags}
+        '';
+      };
+    };
+  };
+}

system/modules/vfio.nix

@@ -1,86 +1,79 @@
 { config
+, options
 , lib
 , pkgs
 , ... }:
 
 let
   cfg = config.vfio;
+  enableIvshmem = cfg.lookingGlass.enable && (builtins.length cfg.lookingGlass.ivshmem) > 0;
 in {
-  options.vfio = with lib; mkOption {
+  options.vfio = with lib; {
-    type = types.submodule {
+    enable = mkOption {
-      options = {
+      type = types.bool;
-        enable = mkOption {
+      default = false;
-          type = types.bool;
+      description = "Enable GPU passthrough + VM config (probably no intel/nvidia support since I can't test it)";
-          default = false;
+    };
-          description = "Enable GPU passthrough + VM config (probably no intel/nvidia support since I can't test it)";
+    libvirtdGroup = mkOption {
-        };
+      type = with types; listOf str;
-        libvirtdGroup = mkOption {
+      default = [ ];
-          type = with types; listOf str;
+      description = "Users to add to libvirtd group";
-          default = [ ];
+    };
-          description = "Users to add to libvirtd group";
+    intelCpu = mkOption {
-        };
+      type = types.bool;
-        intelCpu = mkOption {
+      default = false;
-          type = types.bool;
+      description = "Whether the CPU is Intel (untested)";
-          default = false;
+    };
-          description = "Whether the CPU is Intel (untested)";
+    nvidiaGpu = mkOption {
-        };
+      type = types.bool;
-        nvidiaGpu = mkOption {
+      default = false;
-          type = types.bool;
+      description = "Whether the GPU is Nvidia (disables AMD-specific workarounds)";
-          default = false;
+    };
-          description = "Whether the GPU is Nvidia (disables AMD-specific workarounds)";
+    passGpuAtBoot = mkOption {
-        };
+      type = types.bool;
-        passGpuAtBoot = mkOption {
+      default = false;
-          type = types.bool;
+      description = "Whether to pass the GPU at boot (can be more stable). If false, a bootloader entry to do it will still be available.";
-          default = false;
+    };
-          description = "Whether to pass the GPU at boot (can be more stable). If false, a bootloader entry to do it will still be available.";
+    pciIDs = mkOption {
-        };
+      type = with types; listOf str;
-        pciIDs = mkOption {
+      default = [ ];
-          type = with types; listOf str;
+      description = "PCI passthrough IDs";
-          default = [ ];
+    };
-          description = "PCI passthrough IDs";
+    lookingGlass = mkOption {
-        };
+      default = { };
-        lookingGlass = mkOption {
+      type = types.submodule {
-          default = { };
+        options = {
-          type = types.submodule {
+          enable = mkOption {
-            options = {
+            type = types.bool;
-              enable = mkOption {
+            default = true;
-                type = types.bool;
+            description = "Enable Looking Glass integration";
-                default = true;
+          };
-                description = "Enable Looking Glass integration";
+          ivshmem = mkOption {
-              };
+            type = with types; listOf (submodule {
-              ivshmem = mkOption {
+              options = {
-                type = with types; listOf (submodule {
+                size = mkOption {
-                  options = {
+                  type = types.int;
-                    size = mkOption {
+                  default = 32;
-                      type = types.int;
+                  description = "IVSHMEM size in MB: https://looking-glass.io/docs/B6/install/#determining-memory";
-                      default = 32;
+                };
-                      description = "IVSHMEM size in MB: https://looking-glass.io/docs/B6/install/#determining-memory";
+                owner = mkOption {
-                    };
+                  type = types.str;
-                    owner = mkOption {
+                  description = "IVSHMEM device owner";
-                      type = types.str;
+                };
-                      description = "IVSHMEM device owner";
+              };
-                    };
+            });
-                  };
+            default = if builtins.length cfg.libvirtdGroup == 1 then [
-                });
+              { owner = builtins.head cfg.libvirtdGroup; }
-                default = if builtins.length cfg.libvirtdGroup == 1 then [
+            ] else [ ];
-                  { owner = builtins.head cfg.libvirtdGroup; }
+            example = [ { size = 32; owner = "user"; } ];
-                ] else [ ];
+            description = "IVSHMEM/kvmfr config (multiple devices can be created: /dev/kvmfr0, /dev/kvmfr1, and so on)";
-                example = [ { size = 32; owner = "user"; } ];
-                description = "IVSHMEM/kvmfr config (multiple devices can be created: /dev/kvmfr0, /dev/kvmfr1, and so on)";
-              };
-            };
           };
-          description = "Looking glass config";
         };
       };
+      description = "Looking glass config";
     };
-    description = "VFIO settings";
-    default = { };
   };
-  # compatibility so this module loads on non-amd hardware
+  config = lib.mkIf cfg.enable {
-  config = let
-    enableIvshmem = cfg.lookingGlass.enable && (builtins.length cfg.lookingGlass.ivshmem) > 0;
-  in lib.mkIf cfg.enable {
     # add a custom kernel param for early loading vfio drivers
     # because if we change boot.initrd options in a specialization, two initrds will be built
     # and we don't want to build two initrds
@@ -120,11 +113,11 @@ in {
       '';
       initrd.kernelModules = [
         (if cfg.intelCpu then "kvm-intel" else "kvm-amd")
-      ] ++ (if cfg.passGpuAtBoot then [
+      ] ++ lib.optionals cfg.passGpuAtBoot [
         "vfio"
         "vfio_iommu_type1"
         "vfio_pci"
-      ] else []);
+      ];
       initrd.availableKernelModules = lib.mkIf (!cfg.passGpuAtBoot) [
         "vfio"
         "vfio_iommu_type1"
@@ -137,9 +130,9 @@ in {
       extraModprobeConfig = ''
           options vfio-pci ids=${builtins.concatStringsSep "," cfg.pciIDs} disable_idle_d3=1
           options kvm ignore_msrs=1
-          ${if enableIvshmem then ''
+          ${lib.optionalString enableIvshmem ''
-          options kvmfr static_size_mb=${builtins.concatStringsSep "," (map (x: toString x.size) cfg.lookingGlass.ivshmem)}''
+          options kvmfr static_size_mb=${builtins.concatStringsSep "," (map (x: toString x.size) cfg.lookingGlass.ivshmem)}
-          else ""}
+          ''}
         '';
       kernelParams = [
         (if cfg.intelCpu then "intel_iommu=on" else "amd_iommu=on")
@@ -147,7 +140,7 @@ in {
       ];
       kernelModules = [
         "vhost-net"
-      ] ++ (if enableIvshmem then [ "kvmfr" ] else []);
+      ] ++ lib.optional enableIvshmem "kvmfr";
     };
     services.udev.extraRules = lib.mkIf enableIvshmem
       (builtins.concatStringsSep
@@ -159,11 +152,11 @@ in {
           cfg.lookingGlass.ivshmem));
     hardware = {
       opengl.enable = true;
-    } // (lib.optionalAttrs (cfg.enable && !(cfg.nvidiaGpu)) {
+    } // lib.optionalAttrs (cfg.enable && !cfg.nvidiaGpu && options?hardware.amdgpu.loadInInitrd) {
       # disable early KMS so GPU can be properly unbound
       # can't use mkif because the option may not even exist
       amdgpu.loadInInitrd = false;
-    });
+    };
     # needed for virt-manager
     programs.dconf.enable = true;
     virtualisation.libvirtd = {