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#include "file-hash.hh"

namespace nix {

std::string FileSystemHash::printMethodAlgo() const {
    return makeFileIngestionPrefix(method) + printHashType(hash.type);
}

std::string makeFileIngestionPrefix(const FileIngestionMethod m) {
    switch (m) {
    case FileIngestionMethod::Flat:
        return "";
    case FileIngestionMethod::Recursive:
        return "r:";
    default:
        throw Error("impossible, caught both cases");
    }
}

std::string makeFixedOutputCA(FileIngestionMethod method, const Hash & hash)
{
    return "fixed:"
        + makeFileIngestionPrefix(method)
        + hash.to_string();
}

}