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|
# This file defines the structure of the `config` nixpkgs option.
# This file is tested in `pkgs/test/config.nix`.
# Run tests with:
#
# nix-build -A tests.config
#
{ config, lib, ... }:
let
inherit (lib)
literalExpression
mapAttrsToList
mkOption
optionals
types
;
mkMassRebuild = args: mkOption (builtins.removeAttrs args [ "feature" ] // {
type = args.type or (types.uniq types.bool);
default = args.default or false;
description = ((args.description or ''
Whether to ${args.feature} while building nixpkgs packages.
'') + ''
Changing the default may cause a mass rebuild.
'');
});
options = {
/* Internal stuff */
# Hide built-in module system options from docs.
_module.args = mkOption {
internal = true;
};
warnings = mkOption {
type = types.listOf types.str;
default = [];
internal = true;
};
/* Config options */
warnUndeclaredOptions = mkOption {
description = "Whether to warn when `config` contains an unrecognized attribute.";
type = types.bool;
default = false;
};
doCheckByDefault = mkMassRebuild {
feature = "run `checkPhase` by default";
};
strictDepsByDefault = mkMassRebuild {
feature = "set `strictDeps` to true by default";
};
structuredAttrsByDefault = mkMassRebuild {
feature = "set `__structuredAttrs` to true by default";
};
enableParallelBuildingByDefault = mkMassRebuild {
feature = "set `enableParallelBuilding` to true by default";
};
configurePlatformsByDefault = mkMassRebuild {
feature = "set `configurePlatforms` to `[\"build\" \"host\"]` by default";
};
contentAddressedByDefault = mkMassRebuild {
feature = "set `__contentAddressed` to true by default";
};
allowAliases = mkOption {
type = types.bool;
default = true;
description = ''
Whether to expose old attribute names for compatibility.
The recommended setting is to enable this, as it
improves backward compatibility, easing updates.
The only reason to disable aliases is for continuous
integration purposes. For instance, Nixpkgs should
not depend on aliases in its internal code. Projects
that aren't Nixpkgs should be cautious of instantly
removing all usages of aliases, as migrating too soon
can break compatibility with the stable Nixpkgs releases.
'';
};
allowUnfree = mkOption {
type = types.bool;
default = false;
# getEnv part is in check-meta.nix
defaultText = literalExpression ''false || builtins.getEnv "NIXPKGS_ALLOW_UNFREE" == "1"'';
description = ''
Whether to allow unfree packages.
See [Installing unfree packages](https://nixos.org/manual/nixpkgs/stable/#sec-allow-unfree) in the NixOS manual.
'';
};
allowBroken = mkOption {
type = types.bool;
default = false;
# getEnv part is in check-meta.nix
defaultText = literalExpression ''false || builtins.getEnv "NIXPKGS_ALLOW_BROKEN" == "1"'';
description = ''
Whether to allow broken packages.
See [Installing broken packages](https://nixos.org/manual/nixpkgs/stable/#sec-allow-broken) in the NixOS manual.
'';
};
allowUnsupportedSystem = mkOption {
type = types.bool;
default = false;
# getEnv part is in check-meta.nix
defaultText = literalExpression ''false || builtins.getEnv "NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM" == "1"'';
description = ''
Whether to allow unsupported packages.
See [Installing packages on unsupported systems](https://nixos.org/manual/nixpkgs/stable/#sec-allow-unsupported-system) in the NixOS manual.
'';
};
cudaSupport = mkMassRebuild {
type = types.bool;
default = false;
feature = "build packages with CUDA support by default";
};
rocmSupport = mkMassRebuild {
type = types.bool;
default = false;
feature = "build packages with ROCm support by default";
};
showDerivationWarnings = mkOption {
type = types.listOf (types.enum [ "maintainerless" ]);
default = [];
description = ''
Which warnings to display for potentially dangerous
or deprecated values passed into `stdenv.mkDerivation`.
A list of warnings can be found in
[/pkgs/stdenv/generic/check-meta.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/check-meta.nix).
This is not a stable interface; warnings may be added, changed
or removed without prior notice.
'';
};
checkMeta = mkOption {
type = types.bool;
default = false;
description = ''
Whether to check that the `meta` attribute of derivations are correct during evaluation time.
'';
};
};
in {
freeformType =
let t = types.lazyAttrsOf types.raw;
in t // {
merge = loc: defs:
let r = t.merge loc defs;
in r // { _undeclared = r; };
};
inherit options;
config = {
warnings = optionals config.warnUndeclaredOptions (
mapAttrsToList (k: v: "undeclared Nixpkgs option set: config.${k}") config._undeclared or {}
);
};
}
|
