nixpkgs/modules/installer/generations-dir/generations-dir.nix
Lluís Batlle i Rossell b6090bff9d Making the bootloaders respect the platform.kernelTarget set in nixpkgs.
svn path=/nixos/trunk/; revision=20283
2010-02-27 22:17:10 +00:00

63 lines
1.4 KiB
Nix

{pkgs, config, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mkIf;
options = {
boot = {
loader = {
generationsDir = {
enable = mkOption {
default = false;
description = ''
Whether to enable the simple preparation of symlinks to the system
generations in /boot.
'';
};
copyKernels = mkOption {
default = false;
description = "
Whether copy the necessary boot files into /boot, so
/nix/store is not needed by the boot loadear.
";
};
};
};
};
};
in
###### implementation
let
generationsDirBuilder = pkgs.substituteAll {
src = ./generations-dir-builder.sh;
isExecutable = true;
inherit (pkgs) bash;
path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep];
inherit (config.boot.loader.generationsDir) copyKernels;
};
# Temporary check, for nixos to cope both with nixpkgs stdenv-updates and trunk
platform = pkgs.stdenv.platform;
in
{
require = [
options
# config.system.build
# ../system/system-options.nix
];
system = mkIf config.boot.loader.generationsDir.enable {
build = {
menuBuilder = generationsDirBuilder;
};
boot.loader.id = "generationsDir";
boot.loader.kernelFile = platform.kernelTarget;
};
}