nixpkgs/system/nixos-installer.nix
Eelco Dolstra 6e066c8e1d * Idem.
svn path=/nixos/branches/modular-nixos/; revision=15724
2009-05-25 13:55:36 +00:00

98 lines
3.6 KiB
Nix

{pkgs, config, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mkIf;
options = {
installer = {
nixpkgsURL = mkOption {
default = "";
example = http://nixos.org/releases/nix/nixpkgs-0.11pre7577;
description = "
URL of the Nixpkgs distribution to use when building the
installation CD.
";
};
repos = {
nixos = mkOption {
default = [ { type = "svn"; } ];
example = [ { type = "svn"; url = "https://svn.nixos.org/repos/nix/nixos/branches/stdenv-updates"; target = "/etc/nixos/nixos-stdenv-updates"; }
{ type = "git"; initialize = ''git clone git://mawercer.de/nixos $target''; update = "git pull origin"; target = "/etc/nixos/nixos-git"; }
];
description = ''
The NixOS repository from which the system will be built.
<command>nixos-checkout</command> will update all working
copies of the given repositories,
<command>nixos-rebuild</command> will use the first item
which has the attribute <literal>default = true</literal>
falling back to the first item. The type defines the
repository tool added to the path. It also defines a "valid"
repository. If the target directory already exists and it's
not valid it will be moved to the backup location
<filename><replaceable>dir</replaceable>-date</filename>.
For svn the default target and repositories are
<filename>/etc/nixos/nixos</filename> and
<filename>https://svn.nixos.org/repos/nix/nixos/trunk</filename>.
For git repositories update is called after initialization
when the repo is initialized. The initialize code is run
from working directory dirname
<replaceable>target</replaceable> and should create the
directory
<filename><replaceable>dir</replaceable></filename>. (<command>git
clone url nixos/nixpkgs/services</command> should do) For
the executables used see <option>repoTypes</option>.
'';
};
nixpkgs = mkOption {
default = [ { type = "svn"; } ];
description = "same as <option>repos.nixos</option>";
};
services = mkOption {
default = [ { type = "svn"; } ];
description = "same as <option>repos.nixos</option>";
};
};
repoTypes = mkOption {
default = {
svn = { valid = "[ -d .svn ]"; env = [ pkgs.coreutils pkgs.subversion ]; };
git = { valid = "[ -d .git ]"; env = [ pkgs.coreutils pkgs.git pkgs.gnused /* FIXME: use full path to sed in nix-pull */ ]; };
};
description = ''
Defines, for each supported version control system
(e.g. <literal>git</literal>), the dependencies for the
mechanism, as well as a test used to determine whether a
directory is a checkout created by that version control
system.
'';
};
manifests = 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.
";
};
};
};
in
###### implementation
{
require = [
options
];
}