nixpkgs/modules/installer/tools/tools.nix

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# This module generates nixos-install, nixos-rebuild,
# nixos-hardware-scan, etc.
{config, pkgs, ...}:
let
### interface
options = {
installer.nixpkgsURL = pkgs.lib.mkOption {
default = "";
example = http://nixos.org/releases/nix/nixpkgs-0.11pre7577;
description = ''
URL of the Nixpkgs distribution to use when building the
installation CD.
'';
};
installer.manifests = pkgs.lib.mkOption {
default = [http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable/MANIFEST];
example =
[ http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable/MANIFEST
http://nixos.org/releases/nixpkgs/channels/nixpkgs-stable/MANIFEST
];
description = ''
URLs of manifests to be downloaded when you run
<command>nixos-rebuild</command> to speed up builds.
'';
};
};
### implementation
makeProg = args: pkgs.substituteAll (args // {
dir = "bin";
isExecutable = true;
});
nixosInstall = makeProg {
name = "nixos-install";
src = ./nixos-install.sh;
inherit (pkgs) perl pathsFromGraph;
nix = config.environment.nix;
nixpkgsURL = config.installer.nixpkgsURL;
nixClosure = pkgs.runCommand "closure"
{exportReferencesGraph = ["refs" config.environment.nix];}
"cp refs $out";
};
# rewrite of nixosInstall: each tool does exactly one job.
# So they get more useful.
installer2 =
let nixClosure = pkgs.runCommand "closure"
{exportReferencesGraph = ["refs" config.environment.nix];}
"cp refs $out";
nix = config.environment.nix;
in rec {
nixosPrepareInstall = makeProg {
name = "nixos-prepare-install";
src = ./installer2/nixos-prepare-install.sh;
inherit nix nixClosure nixosBootstrap;
};
runInChroot = makeProg {
name = "run-in-chroot";
src = ./installer2/run-in-chroot.sh;
};
nixosBootstrap = makeProg {
name = "nixos-bootstrap";
src = ./installer2/nixos-bootstrap.sh;
inherit (pkgs) coreutils;
inherit nixClosure nix;
# TODO shell ?
nixpkgsURL = config.installer.nixpkgsURL;
};
# see ./nixos-bootstrap-archive/README-BOOTSTRAP-NIXOS
# TODO refactor: It should *not* depend on configuration.nix
# maybe even move this in nixpkgs?
minimalInstallArchive = import ./nixos-bootstrap-archive {
inherit (pkgs) stdenv runCommand perl pathsFromGraph gnutar coreutils bzip2;
inherit nixosPrepareInstall runInChroot nixosBootstrap nixClosure;
};
};
nixosRebuild = makeProg {
name = "nixos-rebuild";
src = ./nixos-rebuild.sh;
};
nixosGenSeccureKeys = makeProg {
name = "nixos-gen-seccure-keys";
src = ./nixos-gen-seccure-keys.sh;
};
nixosHardwareScan = makeProg {
name = "nixos-hardware-scan";
src = ./nixos-hardware-scan.pl;
inherit (pkgs) perl;
};
in
{
require = options;
environment.systemPackages =
[ nixosInstall
nixosRebuild
nixosHardwareScan
nixosGenSeccureKeys
installer2.runInChroot
installer2.nixosPrepareInstall
];
system.build = {
inherit nixosInstall;
# expose scripts
inherit (installer2) nixosPrepareInstall runInChroot nixosBootstrap minimalInstallArchive;
};
}