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https://github.com/NixOS/nixpkgs.git
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a35b12ed21
This commit changes the console colors implementation to use the kernel parameters instead of relying on terminal escape sequences. This means the palette is applied by the kernel itself with no custom code running in the initrd and works for all virtual terminals (not only tty0).
204 lines
6.1 KiB
Nix
204 lines
6.1 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 = hasSuffix "UTF-8" (toUpper config.i18n.defaultLocale);
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optimizedKeymap = pkgs.runCommand "keymap" {
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nativeBuildInputs = [ pkgs.buildPackages.kbd ];
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LOADKEYS_KEYMAP_PATH = "${consoleEnv}/share/keymaps/**";
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preferLocalBuild = true;
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} ''
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loadkeys -b ${optionalString isUnicode "-u"} "${cfg.keyMap}" > $out
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'';
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# Sadly, systemd-vconsole-setup doesn't support binary keymaps.
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vconsoleConf = pkgs.writeText "vconsole.conf" ''
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KEYMAP=${cfg.keyMap}
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FONT=${cfg.font}
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'';
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consoleEnv = pkgs.buildEnv {
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name = "console-env";
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paths = [ pkgs.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 = types.str;
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default = "Lat2-Terminus16";
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example = "LatArCyrHeb-16";
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description = ''
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The font used for the virtual consoles. Leave empty to use
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whatever the <command>setfont</command> program considers the
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default font.
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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 = ''
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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 = types.listOf types.str;
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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 = ''
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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 = with pkgs.kbdKeymaps; [ dvp neo ];
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defaultText = ''with pkgs.kbdKeymaps; [ dvp neo ]'';
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description = ''
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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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extraTTYs = mkOption {
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default = [];
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type = types.listOf types.str;
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example = ["tty8" "tty9"];
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description = ''
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TTY (virtual console) devices, in addition to the consoles on
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which mingetty and syslogd run, that must be initialised.
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Only useful if you have some program that you want to run on
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some fixed console. For example, the NixOS installation CD
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opens the manual in a web browser on console 7, so it sets
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<option>console.extraTTYs</option> to <literal>["tty7"]</literal>.
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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 = ''
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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 = ''
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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.ckbcomp}/bin/ckbcomp' -model '${xkbModel}' -layout '${layout}' \
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-option '${xkbOptions}' -variant '${xkbVariant}' > "$out"
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'');
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}
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(mkIf (!setVconsole) {
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systemd.services.systemd-vconsole-setup.enable = false;
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})
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(mkIf setVconsole (mkMerge [
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{ environment.systemPackages = [ pkgs.kbd ];
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# Let systemd-vconsole-setup.service do the work of setting up the
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# virtual consoles.
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environment.etc."vconsole.conf".source = vconsoleConf;
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# Provide kbd with additional packages.
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environment.etc.kbd.source = "${consoleEnv}/share";
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boot.initrd.preLVMCommands = mkBefore ''
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kbd_mode ${if isUnicode then "-u" else "-a"} -C /dev/console
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printf "\033%%${if isUnicode then "G" else "@"}" >> /dev/console
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loadkmap < ${optimizedKeymap}
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${optionalString cfg.earlySetup ''
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setfont -C /dev/console $extraUtils/share/consolefonts/font.psf
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''}
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'';
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systemd.services.systemd-vconsole-setup =
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{ before = [ "display-manager.service" ];
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after = [ "systemd-udev-settle.service" ];
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restartTriggers = [ vconsoleConf consoleEnv ];
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};
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}
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(mkIf (cfg.colors != []) {
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boot.kernelParams = [
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"vt.default_red=${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 {
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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 ${consoleEnv}/share/consolefonts/${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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];
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}
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