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Fix Brotli decompression in 'nix log'

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This didn't work anymore since decompression was only done in the
non-coroutine case.

Decompressors are now sinks, just like compressors.

Also fixed a bug in bzip2 API handling (we have to handle BZ_RUN_OK
rather than BZ_OK), which we didn't notice because there was a missing
'throw':

  if (ret != BZ_OK)
      CompressionError("error while compressing bzip2 file");
This commit is contained in:
Eelco Dolstra 2018-08-06 15:40:29 +02:00
parent fa4def3d46
commit d3761f5f8b
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GPG key ID: 8170B4726D7198DE
7 changed files with 339 additions and 411 deletions
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12
src/libutil/compression.hh
View file

@ -8,17 +8,17 @@
namespace nix {
ref<std::string> decompress(const std::string & method, const std::string & in);
void decompress(const std::string & method, Source & source, Sink & sink);
ref<std::string> compress(const std::string & method, const std::string & in, const bool parallel = false);
struct CompressionSink : BufferedSink
{
virtual void finish() = 0;
};
ref<std::string> decompress(const std::string & method, const std::string & in);
ref<CompressionSink> makeDecompressionSink(const std::string & method, Sink & nextSink);
ref<std::string> compress(const std::string & method, const std::string & in, const bool parallel = false);
ref<CompressionSink> makeCompressionSink(const std::string & method, Sink & nextSink, const bool parallel = false);
MakeError(UnknownCompressionMethod, Error);