Warn against empty machines file

2016-10-27 20:14:12 +02:00
parent a2be29377e
commit a816ef873d
1 changed files with 6 additions and 0 deletions
--- a/src/hydra-queue-runner/hydra-queue-runner.cc
+++ b/src/hydra-queue-runner/hydra-queue-runner.cc
@@ -133,6 +133,12 @@ void State::parseMachines(const std::string & contents)
            newMachines[m.first] = machine;
        }

+    static bool warned = false;
+    if (newMachines.empty() && !warned) {
+        printError("warning: no build machines are defined");
+        warned = true;
+    }
+
    auto machines_(machines.lock());
    *machines_ = newMachines;