44 lines
1.1 KiB
Nix
44 lines
1.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
||
with lib;
|
||
let
|
||
cfg = config.krebs.nixpkgs;
|
||
|
||
out = {
|
||
options.krebs.nixpkgs = api;
|
||
config = lib.mkIf cfg.enable imp;
|
||
};
|
||
|
||
api = {
|
||
enable = mkEnableOption "krebs.nixpkgs" // { default = true; };
|
||
|
||
allowUnfreePredicate = mkOption {
|
||
description = ''
|
||
This option is similar to `nixpkgs.config.allowUnfreePredicate'
|
||
but can be defined in several modules. An unfree package will be
|
||
allowed if any of the defined predicates returns true.
|
||
'';
|
||
type = types.nullOr (mkOptionType {
|
||
name = "Predicate";
|
||
check = isFunction;
|
||
merge = _locs: defs: pkg: let
|
||
evalPredicateDef = def: let
|
||
allow = def.value pkg;
|
||
in if cfg.verbose && allow
|
||
then trace "unfree ‘${pkg.name}’ allowed in ${def.file}" allow
|
||
else allow;
|
||
in any evalPredicateDef defs;
|
||
});
|
||
default = null;
|
||
};
|
||
|
||
verbose = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
};
|
||
};
|
||
|
||
imp = lib.mkIf (cfg.allowUnfreePredicate != null) {
|
||
nixpkgs.config.allowUnfreePredicate = cfg.allowUnfreePredicate;
|
||
};
|
||
in out
|