anchor.diff:  
   
     METHOD zif_abapgit_object~changed_by.
  -    rv_user = c_user_unknown. " todo
  +
  +    SELECT SINGLE changedby FROM vepheader INTO rv_user
  +      WHERE vepname = ms_item-obj_name AND version = 'A'.
  +    IF sy-subrc <> 0.
  +      rv_user = c_user_unknown.
  +    ENDIF.
  +
     ENDMETHOD.
   
   
  
positive.code:         version_not_found = 1
          webi_not_exist    = 2
          OTHERS            = 3.
      IF sy-subrc <> 0.
        zcx_abapgit_exception=>raise_t100( ).
      ENDIF.
  
  
negative.code: 
      rv_bool = cl_ws_md_vif_root=>check_existence_by_vif_name(
        name      = lv_name
        i_version = sews_c_vif_version-all ).
  
    ENDMETHOD.
  
  