forked from mirrors/nixpkgs
236 lines
7.7 KiB
Nix
236 lines
7.7 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.console;
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makeColor = i: concatMapStringsSep "," (x: "0x" + substring (2*i) 2 x);
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isUnicode = '' \
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LOCALE_ARCHIVE=${config.i18n.glibcLocales}/lib/locale/locale-archive \
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LANG=${config.i18n.defaultLocale} \
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LC_IDENTIFICATION=${config.i18n.defaultLocale} \
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locale -k identification-codeset | grep -i UTF-8 \
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'';
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optimizedKeymap = pkgs.runCommand "keymap" {
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nativeBuildInputs = with pkgs.buildPackages; [ kbd locale ];
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LOADKEYS_KEYMAP_PATH = "${consoleEnv pkgs.kbd}/share/keymaps/**";
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preferLocalBuild = true;
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} ''
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if ${isUnicode} ; then
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loadkeys -b -u "${cfg.keyMap}" > $out
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else
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loadkeys -b "${cfg.keyMap}" > $out
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fi
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'';
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# Sadly, systemd-vconsole-setup doesn't support binary keymaps.
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vconsoleConf = pkgs.writeText "vconsole.conf" ''
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KEYMAP=${cfg.keyMap}
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FONT=${cfg.font}
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'';
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consoleEnv = kbd: pkgs.buildEnv {
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name = "console-env";
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paths = [ kbd ] ++ cfg.packages;
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pathsToLink = [
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"/share/consolefonts"
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"/share/consoletrans"
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"/share/keymaps"
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"/share/unimaps"
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];
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};
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setVconsole = !config.boot.isContainer;
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in
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{
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###### interface
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options.console = {
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font = mkOption {
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type = with types; either str path;
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default = "Lat2-Terminus16";
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example = "LatArCyrHeb-16";
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description = mdDoc ''
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The font used for the virtual consoles. Leave empty to use
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whatever the {command}`setfont` program considers the
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default font.
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Can be either a font name or a path to a PSF font file.
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'';
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};
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keyMap = mkOption {
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type = with types; either str path;
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default = "us";
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example = "fr";
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description = lib.mdDoc ''
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The keyboard mapping table for the virtual consoles.
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'';
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};
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colors = mkOption {
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type = with types; listOf (strMatching "[[:xdigit:]]{6}");
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default = [ ];
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example = [
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"002b36" "dc322f" "859900" "b58900"
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"268bd2" "d33682" "2aa198" "eee8d5"
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"002b36" "cb4b16" "586e75" "657b83"
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"839496" "6c71c4" "93a1a1" "fdf6e3"
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];
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description = lib.mdDoc ''
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The 16 colors palette used by the virtual consoles.
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Leave empty to use the default colors.
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Colors must be in hexadecimal format and listed in
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order from color 0 to color 15.
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'';
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};
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packages = mkOption {
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type = types.listOf types.package;
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default = [ ];
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description = lib.mdDoc ''
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List of additional packages that provide console fonts, keymaps and
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other resources for virtual consoles use.
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'';
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};
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useXkbConfig = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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If set, configure the virtual console keymap from the xserver
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keyboard settings.
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'';
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};
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earlySetup = mkOption {
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default = false;
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type = types.bool;
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description = lib.mdDoc ''
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Enable setting virtual console options as early as possible (in initrd).
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'';
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};
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};
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###### implementation
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config = mkMerge [
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{ console.keyMap = with config.services.xserver;
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mkIf cfg.useXkbConfig
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(pkgs.runCommand "xkb-console-keymap" { preferLocalBuild = true; } ''
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'${pkgs.buildPackages.ckbcomp}/bin/ckbcomp' \
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${optionalString (config.environment.sessionVariables ? XKB_CONFIG_ROOT)
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"-I${config.environment.sessionVariables.XKB_CONFIG_ROOT}"
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} \
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-model '${xkbModel}' -layout '${layout}' \
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-option '${xkbOptions}' -variant '${xkbVariant}' > "$out"
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'');
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}
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(mkIf (!setVconsole) {
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systemd.services.systemd-vconsole-setup.enable = false;
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})
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(mkIf setVconsole (mkMerge [
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{ environment.systemPackages = with pkgs; [ kbd locale ];
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# Let systemd-vconsole-setup.service do the work of setting up the
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# virtual consoles.
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environment.etc."vconsole.conf".source = vconsoleConf;
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# Provide kbd with additional packages.
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environment.etc.kbd.source = "${consoleEnv pkgs.kbd}/share";
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boot.initrd.preLVMCommands = mkIf (!config.boot.initrd.systemd.enable) (mkBefore ''
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if ${isUnicode} ; then
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kbd_mode -u -C /dev/console
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printf "\033%%G" >> /dev/console
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else
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kbd_mode -a -C /dev/console
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printf "\033%%@" >> /dev/console
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fi
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loadkmap < ${optimizedKeymap}
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${optionalString cfg.earlySetup ''
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setfont -C /dev/console $extraUtils/share/consolefonts/font.psf
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''}
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'');
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boot.initrd.systemd.contents = {
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"/etc/vconsole.conf".source = vconsoleConf;
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# Add everything if we want full console setup...
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"/etc/kbd" = lib.mkIf cfg.earlySetup { source = "${consoleEnv config.boot.initrd.systemd.package.kbd}/share"; };
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# ...but only the keymaps if we don't
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"/etc/kbd/keymaps" = lib.mkIf (!cfg.earlySetup) { source = "${consoleEnv config.boot.initrd.systemd.package.kbd}/share/keymaps"; };
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};
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boot.initrd.systemd.storePaths = [
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"${config.boot.initrd.systemd.package}/lib/systemd/systemd-vconsole-setup"
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"${config.boot.initrd.systemd.package.kbd}/bin/setfont"
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"${config.boot.initrd.systemd.package.kbd}/bin/loadkeys"
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"${config.boot.initrd.systemd.package.kbd.gzip}/bin/gzip" # Fonts and keyboard layouts are compressed
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] ++ optionals (hasPrefix builtins.storeDir cfg.font) [
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"${cfg.font}"
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] ++ optionals (hasPrefix builtins.storeDir cfg.keyMap) [
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"${cfg.keyMap}"
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];
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systemd.services.reload-systemd-vconsole-setup =
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{ description = "Reset console on configuration changes";
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wantedBy = [ "multi-user.target" ];
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restartTriggers = [ vconsoleConf (consoleEnv pkgs.kbd) ];
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reloadIfChanged = true;
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serviceConfig =
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{ RemainAfterExit = true;
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecReload = "/run/current-system/systemd/bin/systemctl restart systemd-vconsole-setup";
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};
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};
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}
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(mkIf (cfg.colors != []) {
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boot.kernelParams = [
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"vt.default_red=${makeColor 0 cfg.colors}"
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"vt.default_grn=${makeColor 1 cfg.colors}"
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"vt.default_blu=${makeColor 2 cfg.colors}"
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];
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})
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(mkIf (cfg.earlySetup && !config.boot.initrd.systemd.enable) {
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boot.initrd.extraUtilsCommands = ''
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mkdir -p $out/share/consolefonts
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${if substring 0 1 cfg.font == "/" then ''
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font="${cfg.font}"
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'' else ''
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font="$(echo ${consoleEnv pkgs.kbd}/share/consolefonts/${cfg.font}.*)"
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''}
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if [[ $font == *.gz ]]; then
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gzip -cd $font > $out/share/consolefonts/font.psf
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else
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cp -L $font $out/share/consolefonts/font.psf
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fi
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'';
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})
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]))
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];
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imports = [
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(mkRenamedOptionModule [ "i18n" "consoleFont" ] [ "console" "font" ])
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(mkRenamedOptionModule [ "i18n" "consoleKeyMap" ] [ "console" "keyMap" ])
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(mkRenamedOptionModule [ "i18n" "consoleColors" ] [ "console" "colors" ])
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(mkRenamedOptionModule [ "i18n" "consolePackages" ] [ "console" "packages" ])
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(mkRenamedOptionModule [ "i18n" "consoleUseXkbConfig" ] [ "console" "useXkbConfig" ])
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(mkRenamedOptionModule [ "boot" "earlyVconsoleSetup" ] [ "console" "earlySetup" ])
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(mkRenamedOptionModule [ "boot" "extraTTYs" ] [ "console" "extraTTYs" ])
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(mkRemovedOptionModule [ "console" "extraTTYs" ] ''
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Since NixOS switched to systemd (circa 2012), TTYs have been spawned on
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demand, so there is no need to configure them manually.
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'')
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];
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}
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