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https://github.com/NixOS/nixpkgs.git
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24f8cf08cc
- Replace hand-rolled version of nixos-install in make-disk-image by an
actual call to nixos-install
- Required a few cleanups of nixos-install
- nixos-install invokes an activation script which the hand-rolled version
in make-disk-image did not do. We remove /etc/machine-id as that's
a host-specific, impure, output of the activation script
Testing:
nix-build '<nixpkgs/nixos/release.nix>' -A tests.installer.simple passes
Also tried generating an image with:
nix-build -E 'let
pkgs = import <nixpkgs> {};
lib = pkgs.lib;
nixos = import <nixpkgs/nixos> {
configuration = {
fileSystems."/".device = "/dev/disk/by-label/nixos";
boot.loader.grub.devices = [ "/dev/sda" ];
boot.loader.grub.extraEntries = '"''"'
menuentry "Ubuntu" {
insmod ext2
search --set=root --label ubuntu
configfile /boot/grub/grub.cfg
}
'"''"';
};
};
in import <nixpkgs/nixos/lib/make-disk-image.nix> {
inherit pkgs lib;
config = nixos.config;
diskSize = 2000;
partitioned = false;
installBootLoader = false;
}'
Then installed the image:
$ sudo df if=./result/nixos.img of=/dev/sdaX bs=1M
$ sudo resize2fs /dev/disk/by-label/nixos
$ sudo mount /dev/disk/by-label/nixos /mnt
$ sudo mount --rbind /proc /mnt/proc
$ sudo mount --rbind /dev /mnt/dev
$ sudo chroot /mnt /nix/var/nix/profiles/system/bin/switch-to-configuration boot
[ … optionally do something about passwords … ]
and successfully rebooted to that image.
Was doing all this from inside a Ubuntu VM with a single user nix install.
82 lines
1.8 KiB
Nix
82 lines
1.8 KiB
Nix
# This module generates nixos-install, nixos-rebuild,
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# nixos-generate-config, etc.
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{ config, pkgs, modulesPath, ... }:
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let
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cfg = config.installer;
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makeProg = args: pkgs.substituteAll (args // {
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dir = "bin";
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isExecutable = true;
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});
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nixos-build-vms = makeProg {
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name = "nixos-build-vms";
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src = ./nixos-build-vms/nixos-build-vms.sh;
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};
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nixos-install = makeProg {
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name = "nixos-install";
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src = ./nixos-install.sh;
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inherit (pkgs) perl pathsFromGraph rsync;
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nix = config.nix.package.out;
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cacert = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
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root_uid = config.ids.uids.root;
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nixbld_gid = config.ids.gids.nixbld;
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nixClosure = pkgs.runCommand "closure"
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{ exportReferencesGraph = ["refs" config.nix.package.out]; }
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"cp refs $out";
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};
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nixos-rebuild = makeProg {
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name = "nixos-rebuild";
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src = ./nixos-rebuild.sh;
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nix = config.nix.package.out;
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};
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nixos-generate-config = makeProg {
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name = "nixos-generate-config";
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src = ./nixos-generate-config.pl;
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path = [ pkgs.btrfs-progs ];
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perl = "${pkgs.perl}/bin/perl -I${pkgs.perlPackages.FileSlurp}/lib/perl5/site_perl";
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inherit (config.system) nixosRelease;
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};
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nixos-option = makeProg {
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name = "nixos-option";
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src = ./nixos-option.sh;
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};
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nixos-version = makeProg {
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name = "nixos-version";
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src = ./nixos-version.sh;
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inherit (config.system) nixosVersion nixosCodeName nixosRevision;
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};
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in
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{
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config = {
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environment.systemPackages =
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[ nixos-build-vms
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nixos-install
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nixos-rebuild
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nixos-generate-config
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nixos-option
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nixos-version
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];
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system.build = {
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inherit nixos-install nixos-generate-config nixos-option nixos-rebuild;
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};
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};
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}
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