SDKtool: Fix removal of toolchains

Change-Id: If66745582adcae1dbdb101cecc426280c1be182f
Reviewed-by: Rainer Keller <rainer.keller@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/tools/sdktool/addkeysoperation.cpp

@@ -81,12 +81,12 @@ int AddKeysOperation::execute() const
 
     QVariantMap map = load(m_file);
 
-    map = addKeys(map, m_data);
-    if (map.isEmpty())
+    QVariantMap result = addKeys(map, m_data);
+    if (map.isEmpty() || map == result)
         return -4;
 
     // Write data again:
-    return save(map, m_file) ? 0 : -5;
+    return save(result, m_file) ? 0 : -5;
 }
 
 #ifdef WITH_TESTS

src/tools/sdktool/addkitoperation.cpp

@@ -214,13 +214,13 @@ int AddKitOperation::execute() const
     if (map.isEmpty())
         map = initializeKits();
 
-    map = addKit(map, m_id, m_displayName, m_icon, m_debuggerEngine, m_debugger,
+    QVariantMap result = addKit(map, m_id, m_displayName, m_icon, m_debuggerEngine, m_debugger,
                                 m_deviceType.toUtf8(), m_sysRoot, m_tc, m_qt, m_mkspec, m_extra);
 
-    if (map.isEmpty())
+    if (map.isEmpty() || map == result)
         return -2;
 
-    return save(map, QLatin1String("profiles")) ? 0 : -3;
+    return save(result, QLatin1String("profiles")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS

src/tools/sdktool/addqtoperation.cpp

@@ -152,12 +152,12 @@ int AddQtOperation::execute() const
     if (map.isEmpty())
         map = initializeQtVersions();
 
-    map = addQt(map, m_id, m_displayName, m_type, m_qmake, m_extra);
+    QVariantMap result = addQt(map, m_id, m_displayName, m_type, m_qmake, m_extra);
 
-    if (map.isEmpty())
+    if (map.isEmpty() || result == map)
         return -2;
 
-    return save(map, QLatin1String("qtversions")) ? 0 : -3;
+    return save(result, QLatin1String("qtversions")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS

src/tools/sdktool/addtoolchainoperation.cpp

@@ -149,11 +149,11 @@ int AddToolChainOperation::execute() const
     if (map.isEmpty())
         map = initializeToolChains();
 
-    map = addToolChain(map, m_id, m_displayName, m_path, m_targetAbi, m_supportedAbis, m_extra);
-    if (map.isEmpty())
+    QVariantMap result = addToolChain(map, m_id, m_displayName, m_path, m_targetAbi, m_supportedAbis, m_extra);
+    if (map.isEmpty() || map == result)
         return -2;
 
-    return save(map, QLatin1String("toolchains")) ? 0 : -3;
+    return save(result, QLatin1String("toolchains")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS

src/tools/sdktool/rmkeysoperation.cpp

@@ -72,7 +72,7 @@ int RmKeysOperation::execute() const
         return 1;
 
     // Write data again:
-    return save(map, m_file) ? 0 : 2;
+    return save(result, m_file) ? 0 : 2;
 }
 
 #ifdef WITH_TESTS

src/tools/sdktool/rmkitoperation.cpp

@@ -87,12 +87,12 @@ int RmKitOperation::execute() const
     if (map.isEmpty())
         map = AddKitOperation::initializeKits();
 
-    map = rmKit(map, m_id);
+    QVariantMap result = rmKit(map, m_id);
 
-    if (map.isEmpty())
+    if (result.isEmpty() || result == map)
         return -2;
 
-    return save(map, QLatin1String("profiles")) ? 0 : -3;
+    return save(result, QLatin1String("profiles")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS

src/tools/sdktool/rmtoolchainoperation.cpp

@@ -93,7 +93,7 @@ int RmToolChainOperation::execute() const
     if (result == map)
         return -2;
 
-    return save(map, QLatin1String("toolchains")) ? 0 : -3;
+    return save(result, QLatin1String("toolchains")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS