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{ config, lib, pkgs, ... }:
with lib;
let
makeColor = n: value: "COLOR_${toString n}=${value}";
makeColorCS =
let positions = [ "0" "1" "2" "3" "4" "5" "6" "7" "8" "9" "A" "B" "C" "D" "E" "F" ];
in n: value: "\\033]P${elemAt positions (n - 1)}${value}";
colors = concatImapStringsSep "\n" makeColor config.i18n.consoleColors;
isUnicode = hasSuffix "UTF-8" (toUpper config.i18n.defaultLocale);
optimizedKeymap = pkgs.runCommand "keymap" {
nativeBuildInputs = [ pkgs.buildPackages.kbd ];
LOADKEYS_KEYMAP_PATH = "${kbdEnv}/share/keymaps/**";
preferLocalBuild = true;
} ''
loadkeys -b ${optionalString isUnicode "-u"} "${config.i18n.consoleKeyMap}" > $out
'';
# Sadly, systemd-vconsole-setup doesn't support binary keymaps.
vconsoleConf = pkgs.writeText "vconsole.conf" ''
KEYMAP=${config.i18n.consoleKeyMap}
FONT=${config.i18n.consoleFont}
${colors}
'';
kbdEnv = pkgs.buildEnv {
name = "kbd-env";
paths = [ pkgs.kbd ] ++ config.i18n.consolePackages;
pathsToLink = [ "/share/consolefonts" "/share/consoletrans" "/share/keymaps" "/share/unimaps" ];
};
setVconsole = !config.boot.isContainer;
in
{
###### interface
options = {
# most options are defined in i18n.nix
# FIXME: still needed?
boot.extraTTYs = mkOption {
default = [];
type = types.listOf types.str;
example = ["tty8" "tty9"];
description = ''
Tty (virtual console) devices, in addition to the consoles on
which mingetty and syslogd run, that must be initialised.
Only useful if you have some program that you want to run on
some fixed console. For example, the NixOS installation CD
opens the manual in a web browser on console 7, so it sets
<option>boot.extraTTYs</option> to <literal>["tty7"]</literal>.
'';
};
boot.earlyVconsoleSetup = mkOption {
default = false;
type = types.bool;
description = ''
Enable setting font as early as possible (in initrd).
'';
};
};
###### implementation
config = mkMerge [
(mkIf (!setVconsole) {
systemd.services.systemd-vconsole-setup.enable = false;
})
(mkIf setVconsole (mkMerge [
{ environment.systemPackages = [ pkgs.kbd ];
# Let systemd-vconsole-setup.service do the work of setting up the
# virtual consoles.
environment.etc."vconsole.conf".source = vconsoleConf;
# Provide kbd with additional packages.
environment.etc.kbd.source = "${kbdEnv}/share";
boot.initrd.preLVMCommands = mkBefore ''
kbd_mode ${if isUnicode then "-u" else "-a"} -C /dev/console
printf "\033%%${if isUnicode then "G" else "@"}" >> /dev/console
loadkmap < ${optimizedKeymap}
${optionalString config.boot.earlyVconsoleSetup ''
setfont -C /dev/console $extraUtils/share/consolefonts/font.psf
''}
${concatImapStringsSep "\n" (n: color: ''
printf "${makeColorCS n color}" >> /dev/console
'') config.i18n.consoleColors}
'';
systemd.services.systemd-vconsole-setup =
{ before = [ "display-manager.service" ];
after = [ "systemd-udev-settle.service" ];
restartTriggers = [ vconsoleConf kbdEnv ];
};
}
(mkIf config.boot.earlyVconsoleSetup {
boot.initrd.extraUtilsCommands = ''
mkdir -p $out/share/consolefonts
${if substring 0 1 config.i18n.consoleFont == "/" then ''
font="${config.i18n.consoleFont}"
'' else ''
font="$(echo ${kbdEnv}/share/consolefonts/${config.i18n.consoleFont}.*)"
''}
if [[ $font == *.gz ]]; then
gzip -cd $font > $out/share/consolefonts/font.psf
else
cp -L $font $out/share/consolefonts/font.psf
fi
'';
})
]))
];
}
|