ENH: Added revision to CI when building with XDK.

CI/main_superbuild.cmake

@@ -123,8 +123,13 @@ GEOTIFF_CSV= GEOTIFF_CSV
 PROJ_LIB= PROJ_LIB
 ")
 
+# Sources are already checked out : do nothing for update
+set(CTEST_GIT_UPDATE_CUSTOM echo No update)
+
 ctest_start (Experimental TRACK Experimental)
 
+ctest_update()
+
 ctest_configure(BUILD "${CTEST_BINARY_DIRECTORY}"
     SOURCE "${OTB_SOURCE_DIR}"
     OPTIONS "${CONFIGURE_OPTIONS}"