9274ea3903
As suggested in https://github.com/NixOS/nixpkgs/pull/39416#discussion_r183845745 the versioning attributes in `lib` should be consistent to `nixos/version` which implicates the following changes: * `lib.trivial.version` -> `lib.trivial.release` * `lib.trivial.suffix` -> `lib.trivial.versionSuffix` * `lib.nixpkgsVersion` -> `lib.version` As `lib.nixpkgsVersion` is referenced several times in `NixOS/nixpkgs`, `NixOS/nix` and probably several user's setups. As the rename will cause a notable impact it's better to keep `lib.nixpkgsVersion` as alias with a warning yielded by `builtins.trace`.
108 lines
3.3 KiB
Nix
108 lines
3.3 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.system.nixos;
|
|
|
|
revisionFile = "${toString pkgs.path}/.git-revision";
|
|
gitRepo = "${toString pkgs.path}/.git";
|
|
gitCommitId = lib.substring 0 7 (commitIdFromGitRepo gitRepo);
|
|
in
|
|
|
|
{
|
|
|
|
options.system = {
|
|
|
|
nixos.version = mkOption {
|
|
internal = true;
|
|
type = types.str;
|
|
description = "The full NixOS version (e.g. <literal>16.03.1160.f2d4ee1</literal>).";
|
|
};
|
|
|
|
nixos.release = mkOption {
|
|
readOnly = true;
|
|
type = types.str;
|
|
default = trivial.release;
|
|
description = "The NixOS release (e.g. <literal>16.03</literal>).";
|
|
};
|
|
|
|
nixos.versionSuffix = mkOption {
|
|
internal = true;
|
|
type = types.str;
|
|
default = trivial.versionSuffix;
|
|
description = "The NixOS version suffix (e.g. <literal>1160.f2d4ee1</literal>).";
|
|
};
|
|
|
|
nixos.revision = mkOption {
|
|
internal = true;
|
|
type = types.str;
|
|
default = if pathIsDirectory gitRepo then commitIdFromGitRepo gitRepo
|
|
else if pathExists revisionFile then fileContents revisionFile
|
|
else "master";
|
|
description = "The Git revision from which this NixOS configuration was built.";
|
|
};
|
|
|
|
nixos.codeName = mkOption {
|
|
readOnly = true;
|
|
type = types.str;
|
|
description = "The NixOS release code name (e.g. <literal>Emu</literal>).";
|
|
};
|
|
|
|
stateVersion = mkOption {
|
|
type = types.str;
|
|
default = cfg.release;
|
|
description = ''
|
|
Every once in a while, a new NixOS release may change
|
|
configuration defaults in a way incompatible with stateful
|
|
data. For instance, if the default version of PostgreSQL
|
|
changes, the new version will probably be unable to read your
|
|
existing databases. To prevent such breakage, you can set the
|
|
value of this option to the NixOS release with which you want
|
|
to be compatible. The effect is that NixOS will option
|
|
defaults corresponding to the specified release (such as using
|
|
an older version of PostgreSQL).
|
|
'';
|
|
};
|
|
|
|
defaultChannel = mkOption {
|
|
internal = true;
|
|
type = types.str;
|
|
default = https://nixos.org/channels/nixos-unstable;
|
|
description = "Default NixOS channel to which the root user is subscribed.";
|
|
};
|
|
|
|
};
|
|
|
|
config = {
|
|
|
|
system.nixos = {
|
|
# These defaults are set here rather than up there so that
|
|
# changing them would not rebuild the manual
|
|
version = mkDefault (cfg.release + cfg.versionSuffix);
|
|
revision = mkIf (pathIsDirectory gitRepo) (mkDefault gitCommitId);
|
|
versionSuffix = mkIf (pathIsDirectory gitRepo) (mkDefault (".git." + gitCommitId));
|
|
|
|
# Note: the first letter is bumped on every release. It's an animal.
|
|
codeName = "Jellyfish";
|
|
};
|
|
|
|
# Generate /etc/os-release. See
|
|
# https://www.freedesktop.org/software/systemd/man/os-release.html for the
|
|
# format.
|
|
environment.etc."os-release".text =
|
|
''
|
|
NAME=NixOS
|
|
ID=nixos
|
|
VERSION="${cfg.version} (${cfg.codeName})"
|
|
VERSION_CODENAME=${toLower cfg.codeName}
|
|
VERSION_ID="${cfg.version}"
|
|
PRETTY_NAME="NixOS ${cfg.version} (${cfg.codeName})"
|
|
HOME_URL="https://nixos.org/"
|
|
SUPPORT_URL="https://nixos.org/nixos/support.html"
|
|
BUG_REPORT_URL="https://github.com/NixOS/nixpkgs/issues"
|
|
'';
|
|
|
|
};
|
|
|
|
}
|