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33 lines
559 B
Nix
33 lines
559 B
Nix
1 month ago
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{ lib, ... }@flakeArg:
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let
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inherit (builtins)
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isAttrs
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isBool
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isList
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isNull
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isString
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typeOf
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;
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inherit (lib.strings) optionalString;
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in
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{
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conditionalString =
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cond:
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optionalString (
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if isNull cond then
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false
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else if isBool cond then
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cond
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else if isString cond then
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cond != ""
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else if isList cond then
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cond != [ ]
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else if isAttrs cond then
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cond.enable or (cond != { })
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else
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throw "unexpected type of condition ${typeOf cond}"
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);
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}
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