23 lines
992 B
Nix
23 lines
992 B
Nix
{ base, convert ? name: value: value, recursive ? false }:
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let
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scan = sub: let
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all = builtins.readDir (base + "/${builtins.concatStringsSep "/" sub}");
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names = filter: builtins.filter filter (builtins.attrNames all);
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nix = name: all.${name} == "regular" && builtins.stringLength name > 4 && builtins.substring (builtins.stringLength name - 4) 4 name == ".nix";
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dir = name: all.${name} == "directory";
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files = map (name: sub ++ [ (builtins.substring 0 (builtins.stringLength name - 4) name) ]) (names nix);
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dirs = builtins.concatLists (map (name: scan (sub ++ [name])) (names dir));
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in if recursive then files ++ dirs else files;
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root = scan [];
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item = relative: let
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name = builtins.concatStringsSep "/" relative;
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absolute = base + "/${name}.nix";
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content = import absolute;
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value = convert name content;
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in { inherit name value; };
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items = map item root;
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in if builtins.pathExists base then builtins.listToAttrs (map item root) else {}
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