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* Don't build the Grub menu builder script on the ISO. Then we don't

Browse source 
the /init and /system symlinks on the CD (since it removes the
  cyclic dependency between building the Grub menu and the system
  derivation).

svn path=/nixos/branches/upstart-0.6/; revision=18344
This commit is contained in:
Eelco Dolstra 2009-11-14 16:12:02 +00:00
parent 7621b40d56
commit c1b008b4e3
1 changed files with 19 additions and 21 deletions
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40
modules/installer/cd-dvd/iso-image.nix
View file

@ -2,20 +2,22 @@
# configuration. The derivation for the ISO image will be placed in
# config.system.build.isoImage.
{config, pkgs, ...}:
{ config, pkgs, ... }:
with pkgs.lib;
let
options = {
isoImage.isoName = pkgs.lib.mkOption {
isoImage.isoName = mkOption {
default = "cd.iso";
description = ''
Name of the generated ISO image file.
'';
};
isoImage.compressImage = pkgs.lib.mkOption {
isoImage.compressImage = mkOption {
default = false;
description = ''
Whether the ISO image should be compressed using
@ -23,7 +25,7 @@ let
'';
};
isoImage.volumeID = pkgs.lib.mkOption {
isoImage.volumeID = mkOption {
default = "NIXOS_BOOT_CD";
description = ''
Specifies the label or volume ID of the generated ISO image.
@ -32,7 +34,7 @@ let
'';
};
isoImage.contents = pkgs.lib.mkOption {
isoImage.contents = mkOption {
example =
[ { source = pkgs.memtest86 + "/memtest.bin";
target = "boot/memtest.bin";
@ -44,7 +46,7 @@ let
'';
};
isoImage.storeContents = pkgs.lib.mkOption {
isoImage.storeContents = mkOption {
example = [pkgs.stdenv];
description = ''
This option lists additional derivations to be included in the
@ -96,6 +98,15 @@ in
boot.loader.grub.version = 2;
# Don't build the GRUB menu builder script, since we don't need it
# here and it causes a cyclic dependency.
boot.loader.grub.enable = false;
# !!! Hack - attributes expected by other modules.
system.build.menuBuilder = "true";
system.boot.loader.kernelFile = "vmlinuz";
environment.systemPackages = [ pkgs.grub2 ];
# In stage 1 of the boot, mount the CD/DVD as the root FS by label
# so that we don't need to know its device.
fileSystems =
@ -112,7 +123,7 @@ in
# We need squashfs in the initrd to mount the compressed Nix store,
# and aufs to make the root filesystem appear writable.
boot.extraModulePackages = (pkgs.lib.optional
boot.extraModulePackages = (optional
(! config.boot.kernelPackages.kernel.features ? aufs)
config.boot.kernelPackages.aufs);
boot.initrd.extraKernelModules = ["aufs" "squashfs"];
@ -163,19 +174,6 @@ in
source = pkgs.runCommand "empty" {} "ensureDir $out";
target = "/nix/store";
}
{ # Another quick hack: the kernel needs a systemConfig
# parameter in menu.lst, but the system config depends on
# menu.lst. Break the cyclic dependency by having a /system
# symlink on the CD, and having menu.lst refer to /system.
source = pkgs.runCommand "system" {}
"ln -s ${config.system.build.toplevel} $out";
target = "/system";
}
{ # Idem for the stage-2 init script.
source = pkgs.runCommand "system" {}
"ln -s ${config.system.build.bootStage2} $out";
target = "/init";
}
];
# The Grub menu.
@ -187,7 +185,7 @@ in
}
menuentry "NixOS Installer / Rescue" {
linux /boot/vmlinuz init=/init systemConfig=/system ${toString config.boot.kernelParams}
linux /boot/vmlinuz init=${config.system.build.bootStage2} systemConfig=${config.system.build.toplevel} ${toString config.boot.kernelParams}
initrd /boot/initrd
}
'';