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Merge pull request #40708 from obsidiansystems/nixos-nixpkgs-defaults

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nixpkgs module: Fix defaulting of `localSystem` and `system`
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Matthew Justin Bauer 2018-05-31 11:03:04 -04:00 committed by GitHub
parent cf5a5b82d4 4fe2898608
commit e754f60fd9
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1 changed files with 8 additions and 5 deletions
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13
nixos/modules/misc/nixpkgs.nix
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@ -1,9 +1,10 @@
{ config, lib, pkgs, ... }:
{ config, options, lib, pkgs, ... }:
with lib;
let
cfg = config.nixpkgs;
opts = options.nixpgs;
isConfig = x:
builtins.isAttrs x || lib.isFunction x;
@ -62,12 +63,11 @@ in
pkgs = mkOption {
defaultText = literalExample
''import "''${nixos}/.." {
inherit (config.nixpkgs) config overlays localSystem crossSystem;
inherit (cfg) config overlays localSystem crossSystem;
}
'';
default = import ../../.. {
localSystem = { inherit (cfg) system; } // cfg.localSystem;
inherit (cfg) config overlays crossSystem;
inherit (cfg) config overlays localSystem crossSystem;
};
type = pkgsType;
example = literalExample ''import <nixpkgs> {}'';
@ -140,7 +140,7 @@ in
localSystem = mkOption {
type = types.attrs; # TODO utilize lib.systems.parsedPlatform
default = { system = builtins.currentSystem; };
default = { system = cfg.system or builtins.currentSystem; };
example = { system = "aarch64-linux"; config = "aarch64-unknown-linux-gnu"; };
defaultText = literalExample
''(import "''${nixos}/../lib").lib.systems.examples.aarch64-multiplatform'';
@ -179,6 +179,8 @@ in
system = mkOption {
type = types.str;
default = cfg.localSystem.system
or opts.localSystem.default.system;
example = "i686-linux";
description = ''
Specifies the Nix platform type on which NixOS should be built.
@ -196,6 +198,7 @@ in
</programlisting>
See <code>nixpkgs.localSystem</code> for more information.
Ignored when <code>nixpkgs.localSystem</code> is set.
Ignored when <code>nixpkgs.pkgs</code> is set.
'';
};