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6c127efb2d
Given an inner type, the former function generates a type that expect DAG option values. The latter function is only present to temporarily allow the `programs.ssh.matchBlocks` to keep accepting list values.
37 lines
908 B
Nix
37 lines
908 B
Nix
{ lib, dag ? import ./dag.nix { inherit lib; } }:
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with lib;
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let
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hmLib = import ./default.nix { inherit lib; };
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typesDag = import ./types-dag.nix { inherit dag lib; };
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in
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{
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inherit (typesDag) dagOf listOrDagOf;
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selectorFunction = mkOptionType {
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name = "selectorFunction";
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description =
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"Function that takes an attribute set and returns a list"
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+ " containing a selection of the values of the input set";
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check = isFunction;
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merge = _loc: defs:
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as: concatMap (select: select as) (getValues defs);
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};
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overlayFunction = mkOptionType {
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name = "overlayFunction";
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description =
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"An overlay function, takes self and super and returns"
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+ " an attribute set overriding the desired attributes.";
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check = isFunction;
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merge = _loc: defs:
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self: super:
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foldl' (res: def: mergeAttrs res (def.value self super)) {} defs;
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};
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}
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