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* nixos: remove with lib * nix-darwin: remove with lib * home-manager: remove with lib * modules/accounts: remove with lib * modules/config: remove with lib * modules/i18n: remove with lib * modules/misc: remove with lib * modules: remove with lib * modules/targets: remove with lib * tests/modules/firefox: remove with lib * tests/modules/services: remove with lib
132 lines
4.3 KiB
Nix
132 lines
4.3 KiB
Nix
# Adapted from Nixpkgs.
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{ config, lib, pkgs, pkgsPath, ... }:
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let
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isConfig = x: builtins.isAttrs x || builtins.isFunction x;
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optCall = f: x: if builtins.isFunction f then f x else f;
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mergeConfig = lhs_: rhs_:
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let
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lhs = optCall lhs_ { inherit pkgs; };
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rhs = optCall rhs_ { inherit pkgs; };
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in lhs // rhs // lib.optionalAttrs (lhs ? packageOverrides) {
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packageOverrides = pkgs:
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optCall lhs.packageOverrides pkgs
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// optCall (lib.attrByPath [ "packageOverrides" ] { } rhs) pkgs;
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} // lib.optionalAttrs (lhs ? perlPackageOverrides) {
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perlPackageOverrides = pkgs:
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optCall lhs.perlPackageOverrides pkgs
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// optCall (lib.attrByPath [ "perlPackageOverrides" ] { } rhs) pkgs;
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};
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configType = lib.mkOptionType {
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name = "nixpkgs-config";
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description = "nixpkgs config";
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check = x:
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let traceXIfNot = c: if c x then true else lib.traceSeqN 1 x false;
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in traceXIfNot isConfig;
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merge = args: lib.fold (def: mergeConfig def.value) { };
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};
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overlayType = lib.mkOptionType {
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name = "nixpkgs-overlay";
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description = "nixpkgs overlay";
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check = lib.isFunction;
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merge = lib.mergeOneOption;
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};
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_pkgs = import pkgsPath (lib.filterAttrs (n: v: v != null) config.nixpkgs);
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in {
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options.nixpkgs = {
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config = lib.mkOption {
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default = null;
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example = { allowBroken = true; };
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type = lib.types.nullOr configType;
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description = ''
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The configuration of the Nix Packages collection. (For
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details, see the Nixpkgs documentation.) It allows you to set
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package configuration options.
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If `null`, then configuration is taken from
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the fallback location, for example,
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{file}`~/.config/nixpkgs/config.nix`.
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Note, this option will not apply outside your Home Manager
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configuration like when installing manually through
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{command}`nix-env`. If you want to apply it both
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inside and outside Home Manager you can put it in a separate
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file and include something like
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```nix
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nixpkgs.config = import ./nixpkgs-config.nix;
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xdg.configFile."nixpkgs/config.nix".source = ./nixpkgs-config.nix;
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```
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in your Home Manager configuration.
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'';
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};
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overlays = lib.mkOption {
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default = null;
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example = lib.literalExpression ''
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[
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(final: prev: {
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openssh = prev.openssh.override {
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hpnSupport = true;
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withKerberos = true;
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kerberos = final.libkrb5;
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};
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})
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]
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'';
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type = lib.types.nullOr (lib.types.listOf overlayType);
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description = ''
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List of overlays to use with the Nix Packages collection. (For
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details, see the Nixpkgs documentation.) It allows you to
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override packages globally. This is a function that takes as
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an argument the *original* Nixpkgs. The
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first argument should be used for finding dependencies, and
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the second should be used for overriding recipes.
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If `null`, then the overlays are taken from
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the fallback location, for example,
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{file}`~/.config/nixpkgs/overlays`.
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Like {var}`nixpkgs.config` this option only
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applies within the Home Manager configuration. See
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{var}`nixpkgs.config` for a suggested setup that
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works both internally and externally.
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'';
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};
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system = lib.mkOption {
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type = lib.types.str;
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example = "i686-linux";
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internal = true;
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description = ''
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Specifies the Nix platform type for which the user environment
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should be built. If unset, it defaults to the platform type of
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your host system. Specifying this option is useful when doing
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distributed multi-platform deployment, or when building
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virtual machines.
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'';
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};
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};
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config = {
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_module.args = {
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# We use a no-op override to make sure that the option can be merged without evaluating
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# `_pkgs`, see https://github.com/nix-community/home-manager/pull/993
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pkgs = lib.mkOverride lib.modules.defaultOverridePriority _pkgs;
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pkgs_i686 =
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if _pkgs.stdenv.isLinux && _pkgs.stdenv.hostPlatform.isx86 then
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_pkgs.pkgsi686Linux
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else
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{ };
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};
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};
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}
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