262ddf0854
respectively so that the X server can run on 7. svn path=/nixos/branches/modular-nixos/; revision=15924
105 lines
2.1 KiB
Nix
105 lines
2.1 KiB
Nix
{pkgs, config, ...}:
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# Show the NixOS manual on tty8
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# Originally used only by installation CD
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let
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inherit (pkgs.lib) mkOption;
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options = {
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services = {
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showManual = {
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enable = mkOption {
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default = false;
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description = "
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Whether to show the NixOS manual on one of the virtual
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consoles.
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";
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};
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ttyNumber = mkOption {
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default = "8";
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description = "
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Virtual console on which to show the manual.
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";
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};
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browser = mkOption {
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default = "${pkgs.w3m}/bin/w3m";
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description = ''
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Browser used to show the manual.
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'';
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};
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manualFile = mkOption {
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# Note: we can't use a default here (see below), since it
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# causes an infinite recursion building the manual.
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default = null;
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description = "
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NixOS manual HTML file
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";
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};
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}; # showManual
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}; # services
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};
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in
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let
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inherit (config.services.showManual) enable ttyNumber browser manualFile;
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realManualFile =
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if manualFile == null then
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# We could speed up the evaluation of the manual expression by
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# providing it the optionDeclarations of the current
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# configuration.
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"${import ../../../doc/manual {inherit pkgs;}}/manual.html"
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else
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manualFile;
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inherit (pkgs.lib) mkIf mkThenElse;
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in
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mkIf enable {
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require = [
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options
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];
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boot = {
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extraTTYs = [ ttyNumber ];
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};
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services = {
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extraJobs = [{
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name = "nixos-manual";
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job = ''
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description "NixOS manual"
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start on udev
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stop on shutdown
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respawn ${browser} ${realManualFile} < /dev/tty${toString ttyNumber} > /dev/tty${toString ttyNumber} 2>&1
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'';
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}];
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ttyBackgrounds = {
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specificThemes = [{
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tty = ttyNumber;
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theme = pkgs.themes "green";
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}];
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};
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mingetty = {
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helpLine = mkThenElse {
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thenPart = "\nPress <Alt-F${toString ttyNumber}> for the NixOS manual.";
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elsePart = "";
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};
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};
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};
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}
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