hydra-queue-runner: Write directly to a binary cache

src/hydra-queue-runner/hydra-queue-runner.cc

@@ -7,6 +7,7 @@
 
 #include "state.hh"
 #include "build-result.hh"
+#include "local-binary-cache.hh"
 
 #include "shared.hh"
 #include "globals.hh"
@@ -24,6 +25,18 @@ State::State()
 }
 
 
+ref<Store> State::getLocalStore()
+{
+    return openStore(); // FIXME: pool
+}
+
+
+ref<Store> State::getDestStore()
+{
+    return make_ref<LocalBinaryCache>(getLocalStore(), "/tmp/binary-cache");
+}
+
+
 void State::parseMachines(const std::string & contents)
 {
     Machines newMachines, oldMachines;
@@ -94,7 +107,8 @@ void State::monitorMachinesFile()
         getEnv("NIX_REMOTE_SYSTEMS", pathExists(defaultMachinesFile) ? defaultMachinesFile : ""), ":");
 
     if (machinesFiles.empty()) {
-        parseMachines("localhost " + settings.thisSystem
+        parseMachines("localhost " +
+            (settings.thisSystem == "x86_64-linux" ? "x86_64-linux,i686-linux" : settings.thisSystem)
             + " - " + std::to_string(settings.maxBuildJobs) + " 1");
         return;
     }