From a816ef873d61ca12f99e4ec382de21a1207667a2 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 27 Oct 2016 20:14:12 +0200
Subject: [PATCH] Warn against empty machines file
---
src/hydra-queue-runner/hydra-queue-runner.cc | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/hydra-queue-runner/hydra-queue-runner.cc b/src/hydra-queue-runner/hydra-queue-runner.cc
index fe08ab06..c341d7e5 100644
--- 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;