3 files changed, 11 insertions, 6 deletions
diff --git a/lib/configuration/configuration.cpp b/lib/configuration/configuration.cpp
index 75f863c..6686520 100644
--- a/lib/configuration/configuration.cpp
+++ b/lib/configuration/configuration.cpp
@@ -17,7 +17,7 @@
 #include <QStandardPaths>
 #endif
 
-static std::unique_ptr<Configuration> s_conf;
+static Configuration *s_conf = nullptr;
 
 Configuration::Configuration()
     : use_global(true)
@@ -131,14 +131,19 @@ void Configuration::read(std::basic_istream<char> &input)
     }
 }
 
-void Configuration::move_global(std::unique_ptr<Configuration> &&conf)
+bool Configuration::make_global()
 {
-    s_conf = std::move(conf);
+    if(use_global || s_conf != nullptr) {
+        return false;
+    }
+
+    s_conf = this;
+    return true;
 }
 
 Configuration *Configuration::instance()
 {
-    return s_conf.get();
+    return s_conf;
 }
 
 std::ostream &operator<<(std::ostream &out, const Configuration &obj)
diff --git a/lib/configuration/configuration.h b/lib/configuration/configuration.h
index cd3c244..c2400b6 100644
--- a/lib/configuration/configuration.h
+++ b/lib/configuration/configuration.h
@@ -126,7 +126,7 @@ public:
         return T{};
     }
 
-    static void move_global(std::unique_ptr<Configuration> && conf);
+    bool make_global();
 
 private:
     static Configuration *instance();
diff --git a/lib/configuration/test/main.cpp b/lib/configuration/test/main.cpp
index fa04f10..06f7cb0 100644
--- a/lib/configuration/test/main.cpp
+++ b/lib/configuration/test/main.cpp
@@ -151,7 +151,7 @@ SCENARIO("Configuration")
             output << *global_conf;
             REQUIRE(output.str() == "name=global\nnumber=123\ntoggle=true\n");
 
-            Configuration::move_global(std::move(global_conf));
+            global_conf->make_global();
             Configuration g;
             REQUIRE(g.value<std::string>("name"));
             REQUIRE(g.value<std::string>("name").value() == "global");