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Optimize addToStoreSlow and remove TeeParseSink

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This commit is contained in:
John Ericson 2020-07-16 05:09:41 +00:00
parent 36a1242603
commit 68dfb8c6ae
4 changed files with 65 additions and 54 deletions
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25
src/libutil/archive.hh
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@ -63,12 +63,29 @@ struct ParseSink
virtual void createSymlink(const Path & path, const string & target) { };
};
struct TeeParseSink : ParseSink
/* If the NAR archive contains a single file at top-level, then save
the contents of the file to `s'. Otherwise barf. */
struct RetrieveRegularNARSink : ParseSink
{
StringSink saved;
TeeSource source;
bool regular = true;
Sink & sink;
TeeParseSink(Source & source) : source(source, saved) { }
RetrieveRegularNARSink(Sink & sink) : sink(sink) { }
void createDirectory(const Path & path)
{
regular = false;
}
void receiveContents(unsigned char * data, unsigned int len)
{
sink(data, len);
}
void createSymlink(const Path & path, const string & target)
{
regular = false;
}
};
void parseDump(ParseSink & sink, Source & source);