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75ec5c609e
Conflicts: maintainers/scripts/ec2/create-ebs-amis.py
220 lines
6.1 KiB
Nix
220 lines
6.1 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.boot.loader.grub;
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grub = if cfg.version == 1 then pkgs.grub else pkgs.grub2;
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f = x: if x == null then "" else "" + x;
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grubConfig = pkgs.writeText "grub-config.xml" (builtins.toXML
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{ splashImage = f config.boot.loader.grub.splashImage;
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grub = f grub;
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shell = "${pkgs.stdenv.shell}";
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fullVersion = (builtins.parseDrvName config.system.build.grub.name).version;
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inherit (config.boot.loader.grub)
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version extraConfig extraPerEntryConfig extraEntries
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extraEntriesBeforeNixOS extraPrepareConfig configurationLimit copyKernels timeout
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default devices;
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path = makeSearchPath "bin" [ pkgs.coreutils pkgs.gnused pkgs.gnugrep pkgs.findutils pkgs.diffutils ];
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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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boot.loader.grub = {
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enable = mkOption {
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default = true;
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description = ''
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Whether to enable the GNU GRUB boot loader.
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'';
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};
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version = mkOption {
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default = 1;
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example = 2;
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description = ''
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The version of GRUB to use: <literal>1</literal> for GRUB Legacy
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(versions 0.9x), or <literal>2</literal> for GRUB 2.
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'';
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};
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device = mkOption {
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default = "";
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example = "/dev/hda";
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type = with pkgs.lib.types; uniq string;
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description = ''
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The device on which the GRUB boot loader will be installed.
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The special value <literal>nodev</literal> means that a GRUB
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boot menu will be generated, but GRUB itself will not
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actually be installed. To install GRUB on multiple devices,
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use <literal>boot.loader.grub.devices</literal>.
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'';
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};
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devices = mkOption {
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default = [];
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example = [ "/dev/hda" ];
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type = with pkgs.lib.types; listOf string;
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description = ''
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The devices on which the boot loader, GRUB, will be
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installed. Can be used instead of <literal>device</literal> to
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install grub into multiple devices (e.g., if as softraid arrays holding /boot).
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'';
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};
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# !!! How can we mark options as obsolete?
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bootDevice = mkOption {
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default = "";
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description = "Obsolete.";
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};
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configurationName = mkOption {
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default = "";
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example = "Stable 2.6.21";
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description = ''
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GRUB entry name instead of default.
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'';
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};
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extraPrepareConfig = mkOption {
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default = "";
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description = ''
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Additional bash commands to be run at the script that
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prepares the grub menu entries.
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'';
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};
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extraConfig = mkOption {
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default = "";
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example = "serial; terminal_output.serial";
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description = ''
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Additional GRUB commands inserted in the configuration file
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just before the menu entries.
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'';
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};
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extraPerEntryConfig = mkOption {
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default = "";
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example = "root (hd0)";
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description = ''
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Additional GRUB commands inserted in the configuration file
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at the start of each NixOS menu entry.
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'';
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};
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extraEntries = mkOption {
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default = "";
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example = ''
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# GRUB 1 example (not GRUB 2 compatible)
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title Windows
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chainloader (hd0,1)+1
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# GRUB 2 example
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menuentry "Windows7" {
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title Windows7
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insmod ntfs
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set root='(hd1,1)'
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chainloader +1
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}
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'';
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description = ''
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Any additional entries you want added to the GRUB boot menu.
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'';
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};
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extraEntriesBeforeNixOS = mkOption {
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default = false;
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description = ''
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Whether extraEntries are included before the default option.
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'';
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};
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splashImage = mkOption {
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default =
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if config.boot.loader.grub.version == 1
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then pkgs.fetchurl {
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url = http://www.gnome-look.org/CONTENT/content-files/36909-soft-tux.xpm.gz;
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sha256 = "14kqdx2lfqvh40h6fjjzqgff1mwk74dmbjvmqphi6azzra7z8d59";
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}
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# GRUB 1.97 doesn't support gzipped XPMs.
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else ./winkler-gnu-blue-640x480.png;
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example = null;
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description = ''
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Background image used for GRUB. It must be a 640x480,
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14-colour image in XPM format, optionally compressed with
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<command>gzip</command> or <command>bzip2</command>. Set to
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<literal>null</literal> to run GRUB in text mode.
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'';
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};
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configurationLimit = mkOption {
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default = 100;
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example = 120;
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description = ''
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Maximum of configurations in boot menu. GRUB has problems when
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there are too many entries.
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'';
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};
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copyKernels = mkOption {
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default = false;
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description = ''
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Whether the GRUB menu builder should copy kernels and initial
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ramdisks to /boot. This is done automatically if /boot is
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on a different partition than /.
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'';
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};
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timeout = mkOption {
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default = 5;
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description = ''
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Timeout (in seconds) until GRUB boots the default menu item.
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'';
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};
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default = mkOption {
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default = 0;
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description = ''
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Index of the default menu item to be booted.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.boot.loader.grub.enable {
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boot.loader.grub.devices = optional (cfg.device != "") cfg.device;
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system.build = mkAssert (cfg.devices != [])
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"You must set the ‘boot.loader.grub.device’ option to make the system bootable."
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{ installBootLoader =
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"PERL5LIB=${makePerlPath [ pkgs.perlPackages.XMLLibXML pkgs.perlPackages.XMLSAX ]} " +
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"${pkgs.perl}/bin/perl ${./install-grub.pl} ${grubConfig}";
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inherit grub;
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};
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# Common attribute for boot loaders so only one of them can be
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# set at once.
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system.boot.loader.id = "grub";
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environment.systemPackages = mkIf config.boot.loader.grub.enable [ grub ];
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};
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}
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