ENH: CI: Added revision number in CI/prepare_superbuild.cmake.

CI/prepare_superbuild.cmake

@@ -61,8 +61,13 @@ set (CMAKE_COMMAND "cmake")
 ########################################################################
 ########################################################################
 
+# Sources are already checked out : do nothing for update
+set(CTEST_GIT_UPDATE_CUSTOM echo No update)
+
 ctest_start (Experimental TRACK Experimental)
 
+ctest_update()
+
 set(CTEST_BUILD_FLAGS "-j16")
 
 set ( SB_CONFIGURE_OPTIONS "")