summary refs log tree commit diff
path: root/nixos/modules/system/boot/plymouth.nix
blob: 60a587af8e9f2bb38e727f84bc038aba1ac44a79 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
{ config, lib, pkgs, ... }:

with lib;

let

  inherit (pkgs) plymouth;

  cfg = config.boot.plymouth;

  themesEnv = pkgs.buildEnv {
    name = "plymouth-themes";
    paths = [ plymouth ] ++ cfg.themePackages;
  };

  configFile = pkgs.writeText "plymouthd.conf" ''
    [Daemon]
    ShowDelay=0
    Theme=${cfg.theme}
  '';

in

{

  options = {

    boot.plymouth = {

      enable = mkEnableOption "Plymouth boot splash screen";

      themePackages = mkOption {
        default = [];
        type = types.listOf types.package;
        description = ''
          Extra theme packages for plymouth.
        '';
      };

      theme = mkOption {
        default = "fade-in";
        type = types.str;
        description = ''
          Splash screen theme.
        '';
      };

      logo = mkOption {
        type = types.path;
        default = pkgs.fetchurl {
          url = "https://nixos.org/logo/nixos-hires.png";
          sha256 = "1ivzgd7iz0i06y36p8m5w48fd8pjqwxhdaavc0pxs7w1g7mcy5si";
        };
        description = ''
          Logo which is displayed on the splash screen.
        '';
      };

    };

  };

  config = mkIf cfg.enable {

    boot.kernelParams = [ "splash" ];

    # To be discoverable by systemd.
    environment.systemPackages = [ plymouth ];

    environment.etc."plymouth/plymouthd.conf".source = configFile;
    environment.etc."plymouth/plymouthd.defaults".source = "${plymouth}/share/plymouth/plymouth.defaults";
    environment.etc."plymouth/logo.png".source = cfg.logo;
    environment.etc."plymouth/themes".source = "${themesEnv}/share/plymouth/themes";
    # XXX: Needed because we supply a different set of plugins in initrd.
    environment.etc."plymouth/plugins".source = "${plymouth}/lib/plymouth";

    systemd.packages = [ plymouth ];

    systemd.services.plymouth-kexec.wantedBy = [ "kexec.target" ];
    systemd.services.plymouth-halt.wantedBy = [ "halt.target" ];
    systemd.services.plymouth-quit = {
      wantedBy = [ "multi-user.target" ];
      after = [ "display-manager.service" "multi-user.target" ];
    };
    systemd.services.plymouth-poweroff.wantedBy = [ "poweroff.target" ];
    systemd.services.plymouth-reboot.wantedBy = [ "reboot.target" ];
    systemd.services.plymouth-read-write.wantedBy = [ "sysinit.target" ];

    boot.initrd.extraUtilsCommands = ''
      copy_bin_and_libs ${pkgs.plymouth}/bin/plymouthd
      copy_bin_and_libs ${pkgs.plymouth}/bin/plymouth

      moduleName="$(sed -n 's,ModuleName *= *,,p' ${themesEnv}/share/plymouth/themes/${cfg.theme}/${cfg.theme}.plymouth)"

      mkdir -p $out/lib/plymouth/renderers
      cp ${plymouth}/lib/plymouth/{text,details,$moduleName}.so $out/lib/plymouth
      cp ${plymouth}/lib/plymouth/renderers/{drm,frame-buffer}.so $out/lib/plymouth/renderers

      mkdir -p $out/share/plymouth/themes
      cp ${plymouth}/share/plymouth/plymouthd.defaults $out/share/plymouth
      cp -r ${themesEnv}/share/plymouth/themes/{text,details,${cfg.theme}} $out/share/plymouth/themes
      cp ${cfg.logo} $out/share/plymouth/logo.png
    '';

    boot.initrd.extraUtilsCommandsTest = ''
      $out/bin/plymouthd --help >/dev/null
      $out/bin/plymouth --help >/dev/null
    '';

    boot.initrd.extraUdevRulesCommands = ''
      cp ${config.systemd.package}/lib/udev/rules.d/{70-uaccess,71-seat}.rules $out
      sed -i '/loginctl/d' $out/71-seat.rules
    '';

    # We use `mkAfter` to ensure that LUKS password prompt would be shown earlier than the splash screen.
    boot.initrd.preLVMCommands = mkAfter ''
      mkdir -p /etc/plymouth
      ln -s ${configFile} /etc/plymouth/plymouthd.conf
      ln -s $extraUtils/share/plymouth/plymouthd.defaults /etc/plymouth/plymouthd.defaults
      ln -s $extraUtils/share/plymouth/logo.png /etc/plymouth/logo.png
      ln -s $extraUtils/share/plymouth/themes /etc/plymouth/themes
      ln -s $extraUtils/lib/plymouth /etc/plymouth/plugins

      plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
      plymouth show-splash
    '';

    boot.initrd.postMountCommands = ''
      plymouth update-root-fs --new-root-dir="$targetRoot"
    '';

    # `mkBefore` to ensure that any custom prompts would be visible.
    boot.initrd.preFailCommands = mkBefore ''
      plymouth quit --wait
    '';

  };

}