wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-29 10:31:15 +02:00
Code Activity

Merge pull request #3822 from obsidiansystems/dump-thrice-fixme

Browse source 
Optimize `addToStoreSlow` and remove `TeeParseSink`
This commit is contained in:
Eelco Dolstra 2020-07-20 18:55:05 +02:00 • committed by GitHub
commit 1c5f8bbfb5
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 69 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

25
src/libutil/archive.hh
View file

@ -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);