329 lines
12 KiB
Nix
329 lines
12 KiB
Nix
{ config, lib, options, pkgs, ... }:
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with lib;
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let
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inherit (pkgs) nixos-icons;
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plymouth = pkgs.plymouth.override {
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systemd = config.boot.initrd.systemd.package;
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};
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cfg = config.boot.plymouth;
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opt = options.boot.plymouth;
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nixosBreezePlymouth = pkgs.plasma5Packages.breeze-plymouth.override {
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logoFile = cfg.logo;
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logoName = "nixos";
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osName = "NixOS";
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osVersion = config.system.nixos.release;
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};
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plymouthLogos = pkgs.runCommand "plymouth-logos" { inherit (cfg) logo; } ''
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mkdir -p $out
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# For themes that are compiled with PLYMOUTH_LOGO_FILE
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mkdir -p $out/etc/plymouth
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ln -s $logo $out/etc/plymouth/logo.png
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# Logo for bgrt theme
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# Note this is technically an abuse of watermark for the bgrt theme
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# See: https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/95#note_813768
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mkdir -p $out/share/plymouth/themes/spinner
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ln -s $logo $out/share/plymouth/themes/spinner/watermark.png
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# Logo for spinfinity theme
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# See: https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/106
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mkdir -p $out/share/plymouth/themes/spinfinity
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ln -s $logo $out/share/plymouth/themes/spinfinity/header-image.png
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'';
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themesEnv = pkgs.buildEnv {
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name = "plymouth-themes";
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paths = [
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plymouth
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plymouthLogos
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] ++ cfg.themePackages;
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};
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configFile = pkgs.writeText "plymouthd.conf" ''
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[Daemon]
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ShowDelay=0
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DeviceTimeout=8
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Theme=${cfg.theme}
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${cfg.extraConfig}
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'';
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in
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{
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options = {
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boot.plymouth = {
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enable = mkEnableOption (lib.mdDoc "Plymouth boot splash screen");
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font = mkOption {
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default = "${pkgs.dejavu_fonts.minimal}/share/fonts/truetype/DejaVuSans.ttf";
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defaultText = literalExpression ''"''${pkgs.dejavu_fonts.minimal}/share/fonts/truetype/DejaVuSans.ttf"'';
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type = types.path;
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description = lib.mdDoc ''
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Font file made available for displaying text on the splash screen.
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'';
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};
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themePackages = mkOption {
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default = lib.optional (cfg.theme == "breeze") nixosBreezePlymouth;
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defaultText = literalMD ''
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A NixOS branded variant of the breeze theme when
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`config.${opt.theme} == "breeze"`, otherwise
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`[ ]`.
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'';
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type = types.listOf types.package;
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description = lib.mdDoc ''
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Extra theme packages for plymouth.
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'';
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};
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theme = mkOption {
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default = "bgrt";
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type = types.str;
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description = lib.mdDoc ''
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Splash screen theme.
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'';
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};
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logo = mkOption {
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type = types.path;
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# Dimensions are 48x48 to match GDM logo
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default = "${nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake-white.png";
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defaultText = literalExpression ''pkgs.fetchurl {
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url = "https://nixos.org/logo/nixos-hires.png";
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sha256 = "1ivzgd7iz0i06y36p8m5w48fd8pjqwxhdaavc0pxs7w1g7mcy5si";
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}'';
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description = lib.mdDoc ''
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Logo which is displayed on the splash screen.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = lib.mdDoc ''
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Literal string to append to `configFile`
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and the config file generated by the plymouth module.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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boot.kernelParams = [ "splash" ];
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# To be discoverable by systemd.
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environment.systemPackages = [ plymouth ];
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environment.etc."plymouth/plymouthd.conf".source = configFile;
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environment.etc."plymouth/plymouthd.defaults".source = "${plymouth}/share/plymouth/plymouthd.defaults";
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environment.etc."plymouth/logo.png".source = cfg.logo;
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environment.etc."plymouth/themes".source = "${themesEnv}/share/plymouth/themes";
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# XXX: Needed because we supply a different set of plugins in initrd.
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environment.etc."plymouth/plugins".source = "${plymouth}/lib/plymouth";
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systemd.packages = [ plymouth ];
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systemd.services.plymouth-kexec.wantedBy = [ "kexec.target" ];
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systemd.services.plymouth-halt.wantedBy = [ "halt.target" ];
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systemd.services.plymouth-quit-wait.wantedBy = [ "multi-user.target" ];
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systemd.services.plymouth-quit.wantedBy = [ "multi-user.target" ];
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systemd.services.plymouth-poweroff.wantedBy = [ "poweroff.target" ];
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systemd.services.plymouth-reboot.wantedBy = [ "reboot.target" ];
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systemd.services.plymouth-read-write.wantedBy = [ "sysinit.target" ];
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systemd.services.systemd-ask-password-plymouth.wantedBy = [ "multi-user.target" ];
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systemd.paths.systemd-ask-password-plymouth.wantedBy = [ "multi-user.target" ];
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# Prevent Plymouth taking over the screen during system updates.
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systemd.services.plymouth-start.restartIfChanged = false;
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boot.initrd.systemd = {
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extraBin.plymouth = "${plymouth}/bin/plymouth"; # for the recovery shell
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storePaths = [
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"${lib.getBin config.boot.initrd.systemd.package}/bin/systemd-tty-ask-password-agent"
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"${plymouth}/bin/plymouthd"
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"${plymouth}/sbin/plymouthd"
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];
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packages = [ plymouth ]; # systemd units
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contents = {
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# Files
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"/etc/plymouth/plymouthd.conf".source = configFile;
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"/etc/plymouth/plymouthd.defaults".source = "${plymouth}/share/plymouth/plymouthd.defaults";
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"/etc/plymouth/logo.png".source = cfg.logo;
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# Directories
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"/etc/plymouth/plugins".source = pkgs.runCommand "plymouth-initrd-plugins" {} ''
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# Check if the actual requested theme is here
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if [[ ! -d ${themesEnv}/share/plymouth/themes/${cfg.theme} ]]; then
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echo "The requested theme: ${cfg.theme} is not provided by any of the packages in boot.plymouth.themePackages"
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exit 1
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fi
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moduleName="$(sed -n 's,ModuleName *= *,,p' ${themesEnv}/share/plymouth/themes/${cfg.theme}/${cfg.theme}.plymouth)"
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mkdir -p $out/renderers
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# module might come from a theme
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cp ${themesEnv}/lib/plymouth/{text,details,label,$moduleName}.so $out
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cp ${plymouth}/lib/plymouth/renderers/{drm,frame-buffer}.so $out/renderers
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'';
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"/etc/plymouth/themes".source = pkgs.runCommand "plymouth-initrd-themes" {} ''
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# Check if the actual requested theme is here
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if [[ ! -d ${themesEnv}/share/plymouth/themes/${cfg.theme} ]]; then
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echo "The requested theme: ${cfg.theme} is not provided by any of the packages in boot.plymouth.themePackages"
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exit 1
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fi
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mkdir $out
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cp -r ${themesEnv}/share/plymouth/themes/${cfg.theme} $out
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# Copy more themes if the theme depends on others
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for theme in $(grep -hRo '/etc/plymouth/themes/.*$' $out | xargs -n1 basename); do
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if [[ -d "${themesEnv}/share/plymouth/themes/$theme" ]]; then
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if [[ ! -d "$out/$theme" ]]; then
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echo "Adding dependent theme: $theme"
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cp -r "${themesEnv}/share/plymouth/themes/$theme" $out
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fi
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else
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echo "Missing theme dependency: $theme"
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fi
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done
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'';
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# Fonts
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"/etc/plymouth/fonts".source = pkgs.runCommand "plymouth-initrd-fonts" {} ''
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mkdir -p $out
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cp ${cfg.font} $out
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'';
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"/etc/fonts/fonts.conf".text = ''
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<?xml version="1.0"?>
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<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
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<fontconfig>
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<dir>/etc/plymouth/fonts</dir>
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</fontconfig>
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'';
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};
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# Properly enable units. These are the units that arch copies
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services = {
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plymouth-halt.wantedBy = [ "halt.target" ];
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plymouth-kexec.wantedBy = [ "kexec.target" ];
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plymouth-poweroff.wantedBy = [ "poweroff.target" ];
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plymouth-quit-wait.wantedBy = [ "multi-user.target" ];
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plymouth-quit.wantedBy = [ "multi-user.target" ];
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plymouth-read-write.wantedBy = [ "sysinit.target" ];
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plymouth-reboot.wantedBy = [ "reboot.target" ];
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plymouth-start.wantedBy = [ "initrd-switch-root.target" "sysinit.target" ];
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plymouth-switch-root-initramfs.wantedBy = [ "halt.target" "kexec.target" "plymouth-switch-root-initramfs.service" "poweroff.target" "reboot.target" ];
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plymouth-switch-root.wantedBy = [ "initrd-switch-root.target" ];
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};
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};
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# Insert required udev rules. We take stage 2 systemd because the udev
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# rules are only generated when building with logind.
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boot.initrd.services.udev.packages = [ (pkgs.runCommand "initrd-plymouth-udev-rules" {} ''
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mkdir -p $out/etc/udev/rules.d
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cp ${config.systemd.package.out}/lib/udev/rules.d/{70-uaccess,71-seat}.rules $out/etc/udev/rules.d
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sed -i '/loginctl/d' $out/etc/udev/rules.d/71-seat.rules
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'') ];
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boot.initrd.extraUtilsCommands = lib.mkIf (!config.boot.initrd.systemd.enable) ''
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copy_bin_and_libs ${plymouth}/bin/plymouth
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copy_bin_and_libs ${plymouth}/bin/plymouthd
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# Check if the actual requested theme is here
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if [[ ! -d ${themesEnv}/share/plymouth/themes/${cfg.theme} ]]; then
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echo "The requested theme: ${cfg.theme} is not provided by any of the packages in boot.plymouth.themePackages"
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exit 1
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fi
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moduleName="$(sed -n 's,ModuleName *= *,,p' ${themesEnv}/share/plymouth/themes/${cfg.theme}/${cfg.theme}.plymouth)"
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mkdir -p $out/lib/plymouth/renderers
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# module might come from a theme
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cp ${themesEnv}/lib/plymouth/{text,details,label,$moduleName}.so $out/lib/plymouth
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cp ${plymouth}/lib/plymouth/renderers/{drm,frame-buffer}.so $out/lib/plymouth/renderers
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mkdir -p $out/share/plymouth/themes
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cp ${plymouth}/share/plymouth/plymouthd.defaults $out/share/plymouth
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# Copy themes into working directory for patching
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mkdir themes
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# Use -L to copy the directories proper, not the symlinks to them.
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# Copy all themes because they're not large assets, and bgrt depends on the ImageDir of
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# the spinner theme.
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cp -r -L ${themesEnv}/share/plymouth/themes/* themes
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# Patch out any attempted references to the theme or plymouth's themes directory
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chmod -R +w themes
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find themes -type f | while read file
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do
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sed -i "s,/nix/.*/share/plymouth/themes,$out/share/plymouth/themes,g" $file
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done
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# Install themes
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cp -r themes/* $out/share/plymouth/themes
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# Install logo
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mkdir -p $out/etc/plymouth
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cp -r -L ${themesEnv}/etc/plymouth $out
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# Setup font
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mkdir -p $out/share/fonts
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cp ${cfg.font} $out/share/fonts
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mkdir -p $out/etc/fonts
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cat > $out/etc/fonts/fonts.conf <<EOF
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<?xml version="1.0"?>
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<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
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<fontconfig>
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<dir>$out/share/fonts</dir>
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</fontconfig>
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EOF
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'';
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boot.initrd.extraUtilsCommandsTest = mkIf (!config.boot.initrd.systemd.enable) ''
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$out/bin/plymouthd --help >/dev/null
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$out/bin/plymouth --help >/dev/null
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'';
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boot.initrd.extraUdevRulesCommands = mkIf (!config.boot.initrd.systemd.enable) ''
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cp ${config.systemd.package}/lib/udev/rules.d/{70-uaccess,71-seat}.rules $out
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sed -i '/loginctl/d' $out/71-seat.rules
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'';
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# We use `mkAfter` to ensure that LUKS password prompt would be shown earlier than the splash screen.
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boot.initrd.preLVMCommands = mkIf (!config.boot.initrd.systemd.enable) (mkAfter ''
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mkdir -p /etc/plymouth
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mkdir -p /run/plymouth
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ln -s ${configFile} /etc/plymouth/plymouthd.conf
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ln -s $extraUtils/share/plymouth/plymouthd.defaults /etc/plymouth/plymouthd.defaults
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ln -s $extraUtils/share/plymouth/logo.png /etc/plymouth/logo.png
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ln -s $extraUtils/share/plymouth/themes /etc/plymouth/themes
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ln -s $extraUtils/lib/plymouth /etc/plymouth/plugins
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ln -s $extraUtils/etc/fonts /etc/fonts
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plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
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plymouth show-splash
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'');
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boot.initrd.postMountCommands = mkIf (!config.boot.initrd.systemd.enable) ''
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plymouth update-root-fs --new-root-dir="$targetRoot"
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'';
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# `mkBefore` to ensure that any custom prompts would be visible.
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boot.initrd.preFailCommands = mkIf (!config.boot.initrd.systemd.enable) (mkBefore ''
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plymouth quit --wait
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'');
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};
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}
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