96 lines
2.6 KiB
Nix
96 lines
2.6 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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# think about where to put this chunk of code!
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# required by other pieces as well
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requiredTTYs = config.services.mingetty.ttys
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++ config.boot.extraTTYs
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++ [ config.services.syslogd.tty ];
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ttys = map (dev: "/dev/${dev}") requiredTTYs;
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consoleFont = config.i18n.consoleFont;
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consoleKeyMap = config.i18n.consoleKeyMap;
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vconsoleConf = pkgs.writeText "vconsole.conf"
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''
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KEYMAP=${consoleKeyMap}
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FONT=${consoleFont}
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'';
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in
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{
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###### interface
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options = {
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# most options are defined in i18n.nix
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# FIXME: still needed?
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boot.extraTTYs = mkOption {
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default = [];
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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>boot.extraTTYs</option> to <literal>["tty7"]</literal>.
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'';
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};
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# dummy option so that requiredTTYs can be passed
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requiredTTYs = mkOption {
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default = [];
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description = "
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FIXME: find another place for this option.
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FIXME: find a good description.
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";
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};
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};
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###### implementation
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config = {
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inherit requiredTTYs; # pass it to ./modules/tasks/tty-backgrounds.nix
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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. FIXME: trigger a restart of
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# systemd-vconsole-setup.service if /etc/vconsole.conf changes.
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environment.etc = singleton
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{ target = "vconsole.conf";
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source = vconsoleConf;
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};
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# This is identical to the systemd-vconsole-setup.service unit
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# shipped with systemd, except that it uses /dev/tty1 instead of
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# /dev/tty0 to prevent putting the X server in non-raw mode, and
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# it has a restart trigger.
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systemd.services."systemd-vconsole-setup" =
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{ description = "Setup Virtual Console";
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before = [ "sysinit.target" "shutdown.target" ];
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unitConfig =
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{ DefaultDependencies = "no";
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Conflicts = "shutdown.target";
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ConditionPathExists = "/dev/tty1";
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};
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serviceConfig =
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{ Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${config.systemd.package}/lib/systemd/systemd-vconsole-setup /dev/tty1";
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};
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restartTriggers = [ vconsoleConf ];
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};
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};
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}
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