forked from Fediversity/Fediversity
48 lines
1.4 KiB
Nix
48 lines
1.4 KiB
Nix
{ lib, ... }:
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let
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inherit (lib) types;
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in
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rec {
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collection = elemType:
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let
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unparenthesize = class: class == "noun";
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desc = type:
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types.optionDescriptionPhrase unparenthesize type;
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desc' = type:
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let
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typeDesc = types.optionDescriptionPhrase unparenthesize type;
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in
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if type.descriptionClass == "noun"
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then
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typeDesc + "s"
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else
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"many instances of ${typeDesc}";
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in
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types.mkOptionType {
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name = "collection";
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description = "separately specified ${desc elemType} for a collection of ${desc' elemType}";
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merge = loc: defs:
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map
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(def:
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let
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merged = lib.mergeDefinitions
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(loc ++ [ "[definition ${toString def.file}]" ])
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elemType
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[{ inherit (def) file; value = def.value; }];
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in
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if merged ? mergedValue then merged.mergedValue else merged.value
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)
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defs;
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check = elemType.check;
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getSubOptions = elemType.getSubOptions;
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getSubModules = elemType.getSubModules;
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substSubModules = m: collection (elemType.substSubModules m);
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functor = (lib.defaultFunctor "collection") // {
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type = collection;
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wrapped = elemType;
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payload = { };
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};
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nestedTypes.elemType = elemType;
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};
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}
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