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Store parsed hashes in DerivationOutput

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It's best to detect invalid data as soon as possible, with data types
that make storing it impossible.
This commit is contained in:
John Ericson 2020-03-22 23:43:07 -04:00
parent f5494d9442
commit 832bd534dc
8 changed files with 128 additions and 63 deletions
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21
src/libstore/derivations.hh
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@ -12,20 +12,31 @@ namespace nix {
/* Abstract syntax of derivations. */
/// Pair of a hash, and how the file system was ingested
struct FileSystemHash {
FileIngestionMethod method;
Hash hash;
FileSystemHash(FileIngestionMethod method, Hash hash)
: method(std::move(method))
, hash(std::move(hash))
{ }
FileSystemHash(const FileSystemHash &) = default;
FileSystemHash(FileSystemHash &&) = default;
FileSystemHash & operator = (const FileSystemHash &) = default;
std::string printMethodAlgo() const;
};
struct DerivationOutput
{
StorePath path;
std::string hashAlgo; /* hash used for expected hash computation */
std::string hash; /* expected hash, may be null */
DerivationOutput(StorePath && path, std::string && hashAlgo, std::string && hash)
std::optional<FileSystemHash> hash; /* hash used for expected hash computation */
DerivationOutput(StorePath && path, std::optional<FileSystemHash> && hash)
: path(std::move(path))
, hashAlgo(std::move(hashAlgo))
, hash(std::move(hash))
{ }
DerivationOutput(const DerivationOutput &) = default;
DerivationOutput(DerivationOutput &&) = default;
DerivationOutput & operator = (const DerivationOutput &) = default;
void parseHashInfo(FileIngestionMethod & recursive, Hash & hash) const;
};
typedef std::map<string, DerivationOutput> DerivationOutputs;