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fix wild cards and subcrates #394

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fix wild cards and subcrates #394

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34 changes: 16 additions & 18 deletions tools.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -403,32 +403,30 @@ rec {
else parsed.urlFragment;
};

rootCargo = builtins.fromTOML (builtins.readFile "${src}/Cargo.toml");
isWorkspace = rootCargo ? "workspace";
isPackage = rootCargo ? "package";
containedCrates = rootCargo.workspace.members ++ (if isPackage then [ "." ] else [ ]);
allCargoTomls = lib.filter
(lib.hasSuffix "Cargo.toml")
(lib.filesystem.listFilesRecursive src);

getCrateNameFromPath = path:
let
cargoTomlCrate = builtins.fromTOML (builtins.readFile "${src}/${path}/Cargo.toml");
cargoTomlCrate = builtins.fromTOML (builtins.readFile path);
in
cargoTomlCrate.package.name;

pathToExtract =
if isWorkspace then
builtins.head
(builtins.filter
(to_filter:
(getCrateNameFromPath to_filter) == name
)
containedCrates)
else
".";
cargoTomlCrate.package.name or null;

packageCargoToml =
builtins.head
(builtins.filter
(to_filter:
(getCrateNameFromPath to_filter) == name
)
allCargoTomls);

pathToExtract = lib.removeSuffix "Cargo.toml" packageCargoToml;
in
pkgs.runCommand (lib.removeSuffix ".tar.gz" src.name) { }
''
mkdir -p $out
cp -apR ${src}/${pathToExtract}/* $out
cp -apR ${pathToExtract}/* $out
echo '{"package":null,"files":{}}' > $out/.cargo-checksum.json
'';

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