{ stdenv, fetchurl, buildDotnetPackage, unzip }: attrs @ { baseName , version , url ? "https://www.nuget.org/api/v2/package/${baseName}/${version}" , sha256 ? "" , md5 ? "" , ... }: buildDotnetPackage ({ src = fetchurl { inherit url sha256 md5; name = "${baseName}.${version}.zip"; }; sourceRoot = "."; buildInputs = [ unzip ]; phases = [ "unpackPhase" "installPhase" ]; preInstall = '' function traverseRename () { for e in * do t="$(echo "$e" | sed -e "s/%20/\ /g" -e "s/%2B/+/g")" [ "$t" != "$e" ] && mv -vn "$e" "$t" if [ -d "$t" ] then cd "$t" traverseRename cd .. fi done } traverseRename ''; } // attrs)