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gracefully handle old daemon versions

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Add a fallback path in `queryPartialDerivationOutputMap` for daemons
that don't support it.

Also upstreams a couple methods from `SSHStore` to `RemoteStore` as this
is needed to handle the fallback path.
This commit is contained in:
regnat 2020-09-07 11:26:09 +02:00
parent a59e77d9e5
commit 057c6203b5
3 changed files with 43 additions and 21 deletions
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17
src/libstore/ssh-store.cc
View file

@ -40,10 +40,6 @@ public:
bool sameMachine() override
{ return false; }
void narFromPath(const StorePath & path, Sink & sink) override;
ref<FSAccessor> getFSAccessor() override;
private:
struct Connection : RemoteStore::Connection
@ -68,19 +64,6 @@ private:
};
};
void SSHStore::narFromPath(const StorePath & path, Sink & sink)
{
auto conn(connections->get());
conn->to << wopNarFromPath << printStorePath(path);
conn->processStderr();
copyNAR(conn->from, sink);
}
ref<FSAccessor> SSHStore::getFSAccessor()
{
return make_ref<RemoteFSAccessor>(ref<Store>(shared_from_this()));
}
ref<RemoteStore::Connection> SSHStore::openConnection()
{
auto conn = make_ref<Connection>();