mirror of
https://github.com/nix-community/home-manager
synced 2024-08-22 12:06:31 +02:00
74 lines
1.9 KiB
Nix
74 lines
1.9 KiB
Nix
|
{ config, lib, pkgs, ... }:
|
||
|
|
||
|
with lib;
|
||
|
|
||
|
let
|
||
|
|
||
|
cfg = config.nixpkgs;
|
||
|
|
||
|
# Copied from nixpkgs.nix.
|
||
|
isConfig = x: builtins.isAttrs x || builtins.isFunction x;
|
||
|
|
||
|
# Copied from nixpkgs.nix.
|
||
|
optCall = f: x: if builtins.isFunction f then f x else f;
|
||
|
|
||
|
# Copied from nixpkgs.nix.
|
||
|
mergeConfig = lhs_: rhs_:
|
||
|
let
|
||
|
lhs = optCall lhs_ { inherit pkgs; };
|
||
|
rhs = optCall rhs_ { inherit pkgs; };
|
||
|
in lhs // rhs // optionalAttrs (lhs ? packageOverrides) {
|
||
|
packageOverrides = pkgs:
|
||
|
optCall lhs.packageOverrides pkgs
|
||
|
// optCall (attrByPath [ "packageOverrides" ] ({ }) rhs) pkgs;
|
||
|
} // optionalAttrs (lhs ? perlPackageOverrides) {
|
||
|
perlPackageOverrides = pkgs:
|
||
|
optCall lhs.perlPackageOverrides pkgs
|
||
|
// optCall (attrByPath [ "perlPackageOverrides" ] ({ }) rhs) pkgs;
|
||
|
};
|
||
|
|
||
|
# Copied from nixpkgs.nix.
|
||
|
configType = mkOptionType {
|
||
|
name = "nixpkgs-config";
|
||
|
description = "nixpkgs config";
|
||
|
check = x:
|
||
|
let traceXIfNot = c: if c x then true else lib.traceSeqN 1 x false;
|
||
|
in traceXIfNot isConfig;
|
||
|
merge = args: fold (def: mergeConfig def.value) { };
|
||
|
};
|
||
|
|
||
|
# Copied from nixpkgs.nix.
|
||
|
overlayType = mkOptionType {
|
||
|
name = "nixpkgs-overlay";
|
||
|
description = "nixpkgs overlay";
|
||
|
check = builtins.isFunction;
|
||
|
merge = lib.mergeOneOption;
|
||
|
};
|
||
|
|
||
|
in {
|
||
|
meta.maintainers = with maintainers; [ thiagokokada ];
|
||
|
|
||
|
options.nixpkgs = {
|
||
|
config = mkOption {
|
||
|
default = null;
|
||
|
type = types.nullOr configType;
|
||
|
visible = false;
|
||
|
};
|
||
|
|
||
|
overlays = mkOption {
|
||
|
default = null;
|
||
|
type = types.nullOr (types.listOf overlayType);
|
||
|
visible = false;
|
||
|
};
|
||
|
};
|
||
|
|
||
|
config = {
|
||
|
assertions = [{
|
||
|
assertion = cfg.config == null || cfg.overlays == null;
|
||
|
message = ''
|
||
|
`nixpkgs` options are disabled when `home-manager.useGlobalPkgs` is enabled.
|
||
|
'';
|
||
|
}];
|
||
|
};
|
||
|
}
|