9dc4edbd4d
svn path=/nixos/branches/modular-nixos/; revision=15630
171 lines
4.7 KiB
Nix
171 lines
4.7 KiB
Nix
{pkgs, config, ...}:
|
|
|
|
###### interface
|
|
let
|
|
inherit (pkgs.lib) mkOption mkIf;
|
|
|
|
options = {
|
|
services = {
|
|
ttyBackgrounds = {
|
|
|
|
enable = mkOption {
|
|
default = true;
|
|
description = "
|
|
Whether to enable graphical backgrounds for the virtual consoles.
|
|
";
|
|
};
|
|
|
|
defaultTheme = mkOption {
|
|
default = pkgs.fetchurl {
|
|
#url = http://www.bootsplash.de/files/themes/Theme-BabyTux.tar.bz2;
|
|
url = mirror://gentoo/distfiles/Theme-BabyTux.tar.bz2;
|
|
md5 = "a6d89d1c1cff3b6a08e2f526f2eab4e0";
|
|
};
|
|
description = "
|
|
The default theme for the virtual consoles. Themes can be found
|
|
at <link xlink:href='http://www.bootsplash.de/' />.
|
|
";
|
|
};
|
|
|
|
defaultSpecificThemes = mkOption {
|
|
default = [
|
|
/*
|
|
{ tty = 6;
|
|
theme = pkgs.fetchurl { # Yeah!
|
|
url = http://www.bootsplash.de/files/themes/Theme-Pativo.tar.bz2;
|
|
md5 = "9e13beaaadf88d43a5293e7ab757d569";
|
|
};
|
|
}
|
|
*/
|
|
{ tty = 10;
|
|
theme = pkgs.themes "theme-gnu";
|
|
}
|
|
];
|
|
description = "
|
|
This option sets specific themes for virtual consoles. If you
|
|
just want to set themes for additional consoles, use
|
|
<option>services.ttyBackgrounds.specificThemes</option>.
|
|
";
|
|
};
|
|
|
|
specificThemes = mkOption {
|
|
default = [
|
|
];
|
|
description = "
|
|
This option allows you to set specific themes for virtual
|
|
consoles.
|
|
";
|
|
};
|
|
};
|
|
};
|
|
};
|
|
in
|
|
|
|
###### implementation
|
|
|
|
let
|
|
inherit (pkgs) stdenv;
|
|
kernelPackages = config.boot.kernelPackages;
|
|
splashutils = kernelPackages.splashutils;
|
|
requiredTTYs = config.requiredTTYs;
|
|
backgrounds =
|
|
|
|
let
|
|
|
|
specificThemes =
|
|
config.services.ttyBackgrounds.defaultSpecificThemes
|
|
++ config.services.ttyBackgrounds.specificThemes;
|
|
|
|
overridenTTYs = map (x: x.tty) specificThemes;
|
|
|
|
# Use the default theme for all the mingetty ttys and for the
|
|
# syslog tty, except those for which a specific theme is
|
|
# specified.
|
|
defaultTTYs =
|
|
pkgs.lib.filter (x: !(pkgs.lib.elem x overridenTTYs)) requiredTTYs;
|
|
|
|
in
|
|
(map (ttyNumber: {
|
|
tty = ttyNumber;
|
|
theme = config.services.ttyBackgrounds.defaultTheme;
|
|
}) defaultTTYs)
|
|
++ specificThemes;
|
|
|
|
|
|
themesUnpacked = stdenv.mkDerivation {
|
|
name = "splash-themes";
|
|
builder = ./tty-backgrounds-combine.sh;
|
|
# !!! Should use XML here.
|
|
ttys = map (x: x.tty) backgrounds;
|
|
themes = map (x: if x ? theme then (unpackTheme x.theme) else "default") backgrounds;
|
|
};
|
|
|
|
unpackTheme = theme: import ../helpers/unpack-theme.nix {
|
|
inherit stdenv theme;
|
|
};
|
|
|
|
|
|
|
|
in
|
|
|
|
mkIf (config.services.ttyBackgrounds.enable) {
|
|
|
|
assertions = [ { assertion = kernelPackages.splashutils != null; message = "kernelPackages.splashutils may not be false"; } ];
|
|
|
|
require = [
|
|
options
|
|
];
|
|
|
|
|
|
environment = {
|
|
etc = [
|
|
{ source = themesUnpacked;
|
|
target = "splash";
|
|
}
|
|
];
|
|
};
|
|
|
|
|
|
services = {
|
|
extraJobs = [ rec {
|
|
name = "tty-backgrounds";
|
|
|
|
job = ''
|
|
start on udev
|
|
|
|
start script
|
|
|
|
# Critical: tell the kernel where to find splash_helper. It calls
|
|
# this program every time we switch between consoles.
|
|
helperProcFile=${splashutils.helperProcFile}
|
|
if test -e /proc/sys/fbcondecor; then helperProcFile=/proc/sys/fbcondecor; fi
|
|
echo ${splashutils}/${splashutils.helperName} > $helperProcFile
|
|
|
|
# For each console...
|
|
for tty in ${toString (map (x: x.tty) backgrounds)}; do
|
|
# Make sure that the console exists.
|
|
echo -n "" > /dev/tty$tty
|
|
|
|
# Set the theme as determined by tty-backgrounds-combine.sh
|
|
# above.
|
|
theme=$(readlink ${themesUnpacked}/$tty)
|
|
${splashutils}/${splashutils.controlName} --tty $tty -c setcfg -t $theme || true
|
|
${splashutils}/${splashutils.controlName} --tty $tty -c setpic -t $theme || true
|
|
${splashutils}/${splashutils.controlName} --tty $tty -c on || true
|
|
done
|
|
|
|
end script
|
|
|
|
respawn sleep 10000 # !!! Hack
|
|
|
|
stop script
|
|
# Disable the theme on each console.
|
|
for tty in ${toString (map (x: x.tty) backgrounds)}; do
|
|
${splashutils}/${splashutils.controlName} --tty $tty -c off || true
|
|
done
|
|
end script
|
|
'';
|
|
}];
|
|
};
|
|
}
|