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Add a Store::addToStore() variant that accepts a NAR

Browse source 
As a side effect, this ensures that signatures are propagated when
copying paths between stores.

Also refactored import/export to make use of this.
This commit is contained in:
Eelco Dolstra 2016-05-04 13:36:54 +02:00
parent b6c768fb6a
commit 538a64e8c3
15 changed files with 235 additions and 338 deletions
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15
src/libstore/store-api.cc
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@ -363,10 +363,9 @@ void copyStorePath(ref<Store> srcStore, ref<Store> dstStore,
auto info = srcStore->queryPathInfo(storePath);
StringSink sink;
srcStore->exportPaths({storePath}, sink);
srcStore->narFromPath({storePath}, sink);
StringSource source(*sink.s);
dstStore->importPaths(source, 0);
dstStore->addToStore(*info, *sink.s);
}
@ -406,16 +405,6 @@ string showPaths(const PathSet & paths)
}
void Store::exportPaths(const Paths & paths, Sink & sink)
{
for (auto & i : paths) {
sink << 1;
exportPath(i, sink);
}
sink << 0;
}
std::string ValidPathInfo::fingerprint() const
{
if (narSize == 0 || !narHash)