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Also make the backwards compatible case of RemoteStore::addToStore run in constant memory

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Just because we can.
This commit is contained in:
Eelco Dolstra 2018-03-21 23:46:03 +01:00
parent 97002b684c
commit ec91840e70
1 changed files with 14 additions and 14 deletions
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28
src/libstore/remote-store.cc
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@ -385,21 +385,21 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
if (GET_PROTOCOL_MINOR(conn->daemonVersion) < 18) {
conn->to << wopImportPaths;
StringSink sink;
sink << 1 // == path follows
;
copyNAR(source, sink);
sink
<< exportMagic
<< info.path
<< info.references
<< info.deriver
<< 0 // == no legacy signature
<< 0 // == no path follows
;
auto source2 = sinkToSource([&](Sink & sink) {
sink << 1 // == path follows
;
copyNAR(source, sink);
sink
<< exportMagic
<< info.path
<< info.references
<< info.deriver
<< 0 // == no legacy signature
<< 0 // == no path follows
;
});
StringSource source(*sink.s);
conn->processStderr(0, &source);
conn->processStderr(0, source2.get());
auto importedPaths = readStorePaths<PathSet>(*this, conn->from);
assert(importedPaths.size() <= 1);