Add nixosSubmodule option type
Since NixOS modules expect special arguments, use a hack to provide them
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2 changed files with 21 additions and 1 deletions
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@ -195,6 +195,25 @@ rec {
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args = { name = ""; }; }).options;
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};
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nixosSubmodule = nixos: args: mkOptionType rec {
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name = "submodule containing a NixOS config";
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check = x: isAttrs x || isFunction x;
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merge = loc: defs:
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let
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coerce = def: if isFunction def then def else { config = def; };
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in (import (nixos + "/lib/eval-config.nix") (args // {
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modules = (args.modules or []) ++
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map (def: { _file = def.file; imports = [(coerce def.value)]; }) defs;
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prefix = loc;
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})).config;
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getSubOptions = prefix: (import (nixos + "/lib/eval-config.nix") (args // {
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modules = (args.modules or []);
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inherit prefix;
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})).options;
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};
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# Obsolete alternative to configOf. It takes its option
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# declarations from the ‘options’ attribute of containing option
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# declaration.
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@ -15,6 +15,7 @@ with pkgs.lib;
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};
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systemd.containers = mkOption {
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# !!! Should probably use nixosSubmodule here
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type = types.attrsOf (types.submodule (
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{ config, options, name, ... }:
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{
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@ -134,4 +135,4 @@ with pkgs.lib;
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}) config.systemd.containers;
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};
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}
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}
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