getMachines(): Cache result

MagicRB · Apr 1, 2019 · 2bc6304 · 2bc6304
1 parent 2f59b30
commit 2bc6304
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/src/libstore/machines.cc b/src/libstore/machines.cc
@@ -89,10 +89,11 @@ void parseMachines(const std::string & s, Machines & machines)
 
 Machines getMachines()
 {
-    Machines machines;
-
-    parseMachines(settings.builders, machines);
-
+    static auto machines = [&]() {
+        Machines machines;
+        parseMachines(settings.builders, machines);
+        return machines;
+    }();
     return machines;
 }