tjh.dev
nixos/buffyboard: init (#358941)
authored by Will Fancher and committed by GitHub 5c8a2cab e7fce9e4
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nixos/doc/manual/release-notes/rl-2505.section.md
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nixos/doc/manual/release-notes/rl-2505.section.md
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- [mqtt-exporter](https://github.com/kpetremann/mqtt-exporter/), a Prometheus exporter for exposing messages from MQTT. Available as [services.prometheus.exporters.mqtt](#opt-services.prometheus.exporters.mqtt.enable).
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## Backward Incompatibilities {#sec-release-25.05-incompatibilities}
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- [mqtt-exporter](https://github.com/kpetremann/mqtt-exporter/), a Prometheus exporter for exposing messages from MQTT. Available as [services.prometheus.exporters.mqtt](#opt-services.prometheus.exporters.mqtt.enable).
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- [Buffyboard](https://gitlab.postmarketos.org/postmarketOS/buffybox/-/tree/master/buffyboard), a framebuffer on-screen keyboard. Available as [services.buffyboard](option.html#opt-services.buffyboard).
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## Backward Incompatibilities {#sec-release-25.05-incompatibilities}
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nixos/modules/module-list.nix
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nixos/modules/module-list.nix
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nixos/modules/services/hardware/buffyboard.nix
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nixos/modules/services/hardware/buffyboard.nix
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# INTEGRATION NOTES:
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# Buffyboard integrates as a virtual device in /dev/input
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# which reads touch or pointer events from other input devices
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# and generates events based on where those map to the keys it renders to the framebuffer.
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#
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# Buffyboard generates these events whether or not its onscreen keyboard is actually visible.
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# Hence special care is needed if running anything which claims ownership of the display (such as a desktop environment),
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# to avoid unwanted input events being triggered during normal desktop operation.
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#
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# Desktop users are recommended to either:
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# 1. Stop buffyboard once your DE is started.
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# e.g. `services.buffyboard.unitConfig.Conflicts = [ "my-de.service" ];`
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# 2. Configure your DE to ignore input events from buffyboard (product-id=25209; vendor-id=26214; name=rd)
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# e.g. `echo 'input "26214:25209:rd" events disabled' > ~/.config/sway/config`
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{
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config,
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lib,
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pkgs,
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utils,
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...
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}:
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let
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cfg = config.services.buffyboard;
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ini = pkgs.formats.ini { };
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in
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{
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meta.maintainers = with lib.maintainers; [ colinsane ];
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options = {
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services.buffyboard = with lib; {
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enable = mkEnableOption "buffyboard framebuffer keyboard (on-screen keyboard)";
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package = mkPackageOption pkgs "buffybox" { };
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extraFlags = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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Extra CLI arguments to pass to buffyboard.
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'';
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example = [
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"--geometry=1920x1080@640,0"
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"--dpi=192"
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"--rotate=2"
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"--verbose"
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];
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};
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configFile = mkOption {
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type = lib.types.path;
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default = ini.generate "buffyboard.conf" (lib.filterAttrsRecursive (_: v: v != null) cfg.settings);
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defaultText = lib.literalExpression ''ini.generate "buffyboard.conf" cfg.settings'';
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description = ''
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Path to an INI format configuration file to provide Buffyboard.
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By default, this is generated from whatever you've set in `settings`.
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If specified manually, then `settings` is ignored.
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For an example config file see [here](https://gitlab.postmarketos.org/postmarketOS/buffybox/-/blob/master/buffyboard/buffyboard.conf)
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'';
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};
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settings = mkOption {
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description = ''
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Settings to include in /etc/buffyboard.conf.
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Every option here is strictly optional:
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Buffyboard will use its own baked-in defaults for those options left unset.
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'';
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type = types.submodule {
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freeformType = ini.type;
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options.input.pointer = mkOption {
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type = types.nullOr types.bool;
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default = null;
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description = ''
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Enable or disable the use of a hardware mouse or other pointing device.
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'';
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};
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options.input.touchscreen = mkOption {
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type = types.nullOr types.bool;
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default = null;
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description = ''
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Enable or disable the use of the touchscreen.
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'';
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};
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options.theme.default = mkOption {
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type = types.either types.str (
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types.enum [
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null
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"adwaita-dark"
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"breezy-dark"
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"breezy-light"
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"nord-dark"
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"nord-light"
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"pmos-dark"
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"pmos-light"
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]
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);
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default = null;
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description = ''
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Selects the default theme on boot. Can be changed at runtime to the alternative theme.
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'';
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};
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options.quirks.fbdev_force_refresh = mkOption {
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type = types.nullOr types.bool;
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default = null;
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description = ''
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If true and using the framebuffer backend, this triggers a display refresh after every draw operation.
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This has a negative performance impact.
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'';
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};
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};
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default = { };
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};
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};
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};
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config = lib.mkIf cfg.enable {
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systemd.packages = [ cfg.package ];
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systemd.services.buffyboard = {
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# upstream provides the service (including systemd hardening): we just configure it to start by default
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# and override ExecStart so as to optionally pass extra arguments
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serviceConfig.ExecStart = [
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"" # clear default ExecStart
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(utils.escapeSystemdExecArgs (
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[
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(lib.getExe' cfg.package "buffyboard")
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"--config-override"
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cfg.configFile
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]
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++ cfg.extraFlags
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))
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];
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wantedBy = [ "getty.target" ];
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before = [ "getty.target" ];
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};
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};
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}
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pkgs/by-name/bu/buffybox/package.nix
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pkgs/by-name/bu/buffybox/package.nix
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{
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fetchFromGitLab,
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inih,
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lib,
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libdrm,
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libinput,
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libxkbcommon,
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meson,
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ninja,
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pkg-config,
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scdoc,
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stdenv,
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unstableGitUpdater,
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}:
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stdenv.mkDerivation (finalAttrs: {
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pname = "buffybox";
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version = "3.2.0-unstable-2024-11-10";
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src = fetchFromGitLab {
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domain = "gitlab.postmarketos.org";
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owner = "postmarketOS";
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repo = "buffybox";
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fetchSubmodules = true; # to use its vendored lvgl
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rev = "07e324c17564cb9aab573259a8e0824a6806a751";
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hash = "sha256-JY9WqtRjDsQf1UVFnM6oTwyAuhlJvrhcSNJdEZ0zIus=";
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};
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depsBuildBuild = [
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pkg-config
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];
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nativeBuildInputs = [
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meson
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ninja
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pkg-config
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scdoc
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];
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buildInputs = [
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inih
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libdrm
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libinput
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libxkbcommon
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];
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env.PKG_CONFIG_SYSTEMD_SYSTEMD_SYSTEM_UNIT_DIR = "${placeholder "out"}/lib/systemd/system";
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strictDeps = true;
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passthru.updateScript = unstableGitUpdater { };
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meta = with lib; {
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description = "A suite of graphical applications for the terminal";
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homepage = "https://gitlab.postmarketos.org/postmarketOS/buffybox";
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license = licenses.gpl3Plus;
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maintainers = with lib.maintainers; [ colinsane ];
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platforms = platforms.linux;
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};
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})