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42 lines
1.0 KiB
Nix
42 lines
1.0 KiB
Nix
{ lib
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}:
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src:
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let
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inherit (lib)
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flatten
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groupBy
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mapAttrs
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mapAttrsToList;
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# A specialized form of lib.listFilesRecursive except it will only look
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# for Cargo.toml and config.toml files to keep the intermediate results lean
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listFilesRecursive = parentIsDotCargo: dir: flatten (mapAttrsToList
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(name: type:
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let
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cur = dir + "/${name}";
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isConfig = parentIsDotCargo && (name == "config" || name == "config.toml");
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isCargoToml = name == "Cargo.toml";
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in
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if type == "directory"
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then listFilesRecursive (name == ".cargo") cur
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else if isCargoToml
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then [{ path = cur; type = "cargoTomls"; }]
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else if isConfig
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then [{ path = cur; type = "cargoConfigs"; }]
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else [ ]
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)
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(builtins.readDir dir));
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foundFiles = listFilesRecursive false src;
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grouped = groupBy (x: x.type) foundFiles;
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cleaned = mapAttrs (_: map (y: y.path)) grouped;
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# Ensure we have a well typed result
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default = {
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cargoTomls = [ ];
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cargoConfigs = [ ];
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};
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in
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default // cleaned
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