Fix build

src/hydra-eval-jobs/hydra-eval-jobs.cc

@@ -270,7 +270,7 @@ int main(int argc, char * * argv)
 
     return handleExceptions(argv[0], [&]() {
 
-        auto config = std::make_unique<::Config>();
+        auto config = std::make_unique<HydraConfig>();
 
         auto nrWorkers = config->getIntOption("evaluator_workers", 1);
         maxMemorySize = config->getIntOption("evaluator_max_memory_size", 4096);
@@ -472,11 +472,7 @@ int main(int argc, char * * argv)
                 auto h = hashDerivationModulo(*store, drv, true);
                 auto outPath = store->makeOutputPath("out", h, drvName);
                 drv.env["out"] = store->printStorePath(outPath);
-                drv.outputs.insert_or_assign("out", DerivationOutput {
-                    .path = outPath,
-                    .hashAlgo = "",
-                    .hash = ""
-                });
+                drv.outputs.insert_or_assign("out", DerivationOutput { .path = outPath });
                 auto newDrvPath = store->printStorePath(writeDerivation(store, drv, drvName));
 
                 debug("rewrote aggregate derivation %s -> %s", drvPath, newDrvPath);

src/hydra-evaluator/hydra-evaluator.cc

@@ -24,7 +24,7 @@ enum class EvaluationStyle
 
 struct Evaluator
 {
-    std::unique_ptr<Config> config;
+    std::unique_ptr<HydraConfig> config;
 
     nix::Pool<Connection> dbPool;
 
@@ -57,7 +57,7 @@ struct Evaluator
     const time_t notTriggered = std::numeric_limits<time_t>::max();
 
     Evaluator()
-        : config(std::make_unique<::Config>())
+        : config(std::make_unique<HydraConfig>())
         , maxEvals(std::max((size_t) 1, (size_t) config->getIntOption("max_concurrent_evals", 4)))
     { }
 

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

@@ -46,7 +46,7 @@ std::string getEnvOrDie(const std::string & key)
 
 
 State::State()
-    : config(std::make_unique<::Config>())
+    : config(std::make_unique<HydraConfig>())
     , maxUnsupportedTime(config->getIntOption("max_unsupported_time", 0))
     , dbPool(config->getIntOption("max_db_connections", 128))
     , memoryTokens(config->getIntOption("nar_buffer_size", getMemSize() / 2))

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

@@ -272,7 +272,7 @@ bool State::getQueuedBuilds(Connection & conn,
         try {
             createBuild(build);
         } catch (Error & e) {
-            e.addPrefix(fmt("while loading build %1%: ", build->id));
+            e.addTrace({}, hintfmt("while loading build %d: ", build->id));
             throw;
         }
 
@@ -458,8 +458,7 @@ Step::ptr State::createStep(ref<Store> destStore,
     for (auto & i : step->drv->outputs)
         if (!destStore->isValidPath(i.second.path)) {
             valid = false;
-            missing.insert_or_assign(i.first,
-                DerivationOutput { i.second.path, i.second.hashAlgo, i.second.hash });
+            missing.insert_or_assign(i.first, i.second);
         }
 
     /* Try to copy the missing paths from the local store or from

src/hydra-queue-runner/state.hh

@@ -292,14 +292,14 @@ struct Machine
 };
 
 
-class Config;
+class HydraConfig;
 
 
 class State
 {
 private:
 
-    std::unique_ptr<Config> config;
+    std::unique_ptr<HydraConfig> config;
 
     // FIXME: Make configurable.
     const unsigned int maxTries = 5;

src/libhydra/hydra-config.hh

@@ -4,11 +4,11 @@
 
 #include "util.hh"
 
-struct Config
+struct HydraConfig
 {
     std::map<std::string, std::string> options;
 
-    Config()
+    HydraConfig()
     {
         using namespace nix;