RemoteStore::addToStore(): Send NAR rather than string containing NAR

This allows the NAR to be streamed in the future (though we're not
doing that yet).

3 files changed, 6 insertions, 26 deletions

diff --git a/src/libstore/export-import.cc b/src/libstore/export-import.cc
index e584ae538dae..531f010d93a7 100644
--- a/src/libstore/export-import.cc
+++ b/src/libstore/export-import.cc
@@ -61,27 +61,6 @@ void Store::exportPath(const Path & path, Sink & sink)
     hashAndWriteSink << exportMagic << path << info->references << info->deriver << 0;
 }
 
-struct TeeSource : Source
-{
-    Source & readSource;
-    ref<std::string> data;
-    TeeSource(Source & readSource)
-        : readSource(readSource)
-        , data(make_ref<std::string>())
-    {
-    }
-    size_t read(unsigned char * data, size_t len)
-    {
-        size_t n = readSource.read(data, len);
-        this->data->append((char *) data, n);
-        return n;
-    }
-};
-
-struct NopSink : ParseSink
-{
-};
-
 Paths Store::importPaths(Source & source, std::shared_ptr<FSAccessor> accessor, bool dontCheckSigs)
 {
     Paths res;
@@ -92,7 +71,7 @@ Paths Store::importPaths(Source & source, std::shared_ptr<FSAccessor> accessor,
 
         /* Extract the NAR from the source. */
         TeeSource tee(source);
-        NopSink sink;
+        ParseSink sink;
         parseDump(sink, tee);
 
         uint32_t magic = readInt(source);
diff --git a/src/libstore/legacy-ssh-store.cc b/src/libstore/legacy-ssh-store.cc
index b20ff185f9ba..031fcac95e55 100644
--- a/src/libstore/legacy-ssh-store.cc
+++ b/src/libstore/legacy-ssh-store.cc
@@ -169,9 +169,9 @@ struct LegacySSHStore : public Store
 
         /* FIXME: inefficient. */
         ParseSink parseSink; /* null sink; just parse the NAR */
-        SavingSourceAdapter savedNAR(conn->from);
+        TeeSource savedNAR(conn->from);
         parseDump(parseSink, savedNAR);
-        sink(savedNAR.s);
+        sink(*savedNAR.data);
     }
 
     /* Unsupported methods. */
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 6428259144a5..47413d573b7a 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -378,8 +378,9 @@ void RemoteStore::addToStore(const ValidPathInfo & info, const ref<std::string>
         conn->to << wopAddToStoreNar
                  << info.path << info.deriver << printHash(info.narHash)
                  << info.references << info.registrationTime << info.narSize
-                 << info.ultimate << info.sigs << info.ca << *nar << repair << dontCheckSigs;
-        // FIXME: don't send nar as a string
+                 << info.ultimate << info.sigs << info.ca
+                 << repair << dontCheckSigs;
+        conn->to(*nar);
         conn->processStderr();
     }
 }