Add isDirty check to PartitionCoreModule

src/modules/partition/core/PartitionCoreModule.cpp

@@ -383,6 +383,13 @@ PartitionCoreModule::revert()
     updateIsDirty();
 }
 
+
+bool
+PartitionCoreModule::isDirty()
+{
+    return m_isDirty;
+}
+
 QList< PartitionCoreModule::SummaryInfo >
 PartitionCoreModule::createSummaryInfo() const
 {

src/modules/partition/core/PartitionCoreModule.h

@@ -86,6 +86,8 @@ public:
 
     void revert();
 
+    bool isDirty();
+
     /**
      * To be called when a partition has been altered, but only for changes
      * which do not affect its size, because changes which affect the partition size