82 lines
3.1 KiB
Nix
82 lines
3.1 KiB
Nix
# Copyright 2025-2026 _cry64 (Emile Clark-Boman)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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{lib, ...}: let
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inherit
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(lib)
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mkOption
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types
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;
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flakeRef = types.either types.str types.path;
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in {
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options = {
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base = lib.mkOption {
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# In newer Nix versions, particularly with lazy trees, outPath of
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# flakes becomes a Nix-language path object. We deliberately allow this
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# to gracefully come through the interface in discussion with @roberth.
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#
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# See: https://github.com/NixOS/nixpkgs/pull/278522#discussion_r1460292639
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type = types.nullOr flakeRef;
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default = null;
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defaultText = "if (using nixpkgsFlake.lib.nixosSystem) then self.outPath else null";
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example = lib.literalExpression "inputs.nixpkgs";
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description = ''
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The path to the nixpkgs source used to build a system. A `base` package set
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is required to be set, and can be specified via either:
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1. `options.nodes.base` (default `base` used for all systems)
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2. `options.nodes.nodes.<name>.base` (takes prescedence over `options.nodes.base`)
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This can also be optionally set if the NixOS system is not built with a flake but still uses
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pinned sources: set this to the store path for the nixpkgs sources used to build the system,
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as may be obtained by `fetchTarball`, for example.
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Note: the name of the store path must be "source" due to
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<https://github.com/NixOS/nix/issues/7075>.
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'';
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};
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modules = mkOption {
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type = types.listOf types.raw;
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default = [];
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example = lib.literalExpression "[ { environment.systemPackages = [ pkgs.git ]; } ]";
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description = ''
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Shared modules to import; equivalent to the NixOS module system's `extraModules`.
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'';
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};
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args = mkOption {
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type = types.attrs;
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default = {};
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example = lib.literalExpression "{ inherit inputs; }";
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description = ''
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Shared args to provided for each node; equivalent to the NixOS module system's `specialArgs`.
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'';
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};
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homeManager = mkOption {
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type = types.nullOr flakeRef;
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default = null;
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example = lib.literalExpression "inputs.home-manager";
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description = ''
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The path to the home-manager source. A `homeManager` flake reference
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is required to be set for `homes/` to be evaluated, and can be specified via either:
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1. `options.nodes.homeManager` (default `homManager` used for all systems)
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2. `options.nodes.nodes.<name>.homeManager` (takes prescedence over `options.nodes.homeManager`)
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'';
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};
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};
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}
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