* Added git helper to check for uncommitted changes

cmake/git_helper.cmake

@@ -118,3 +118,24 @@ Function ( GitGetHash GIT_ROOT OUT_HASH )
     Set ( ${OUT_HASH} ${HASH} PARENT_SCOPE )
 
 EndFunction ( )
+
+# Checks if the given git repository has uncommitted changes
+Function ( GitGetIsDirty GIT_ROOT OUT_DIRTY )
+
+    If ( NOT EXISTS "${GIT_ROOT}/.git" )
+        Return ( )
+    EndIf ( )
+
+    GitExecute ( "git -C ${CMAKE_CURRENT_SOURCE_DIR} status -s -uall" True DIRTY SUCCESS )
+    If ( NOT ${SUCCESS} )
+        Return ( )
+    EndIf ( )
+
+    # dirty
+    If ( DIRTY )
+        Set ( ${OUT_DIRTY} 1 PARENT_SCOPE )
+    Else ( )
+        Set ( ${OUT_DIRTY} 0 PARENT_SCOPE )
+    EndIf ( )
+
+EndFunction ( )