21 lines
829 B
Nix
21 lines
829 B
Nix
{ lib, options, ... }:
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let
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defs = lib.modules.mergeAttrDefinitionsWithPrio options._module.args;
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assertLazy = pos: throw "${pos.file}:${toString pos.line}:${toString pos.column}: The test must not evaluate this the assertLazy thunk, but it did. Unexpected strictness leads to unexpected errors and performance problems.";
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in
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{
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options.result = lib.mkOption { };
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config._module.args = {
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default = lib.mkDefault (assertLazy __curPos);
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regular = null;
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force = lib.mkForce (assertLazy __curPos);
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unused = assertLazy __curPos;
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};
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config.result =
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assert defs.default.highestPrio == (lib.mkDefault (assertLazy __curPos)).priority;
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assert defs.regular.highestPrio == lib.modules.defaultOverridePriority;
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assert defs.force.highestPrio == (lib.mkForce (assertLazy __curPos)).priority;
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true;
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}
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