#define CACHE_EXT(s) ( (s[0]<<24)|(s[1]<<16)|(s[2]<<8)|(s[3]) )
 #define CACHE_EXT_TREE 0x54524545      /* "TREE" */
-#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUN" */
+#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUC" */
 
 struct index_state the_index;
 
        if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
                /* Nothing changed, really */
                free(ce);
-               ce_mark_uptodate(alias);
+               if (!S_ISGITLINK(alias->ce_mode))
+                       ce_mark_uptodate(alias);
                alias->ce_flags |= CE_ADDED;
                return 0;
        }
                         * because CE_UPTODATE flag is in-core only;
                         * we are not going to write this change out.
                         */
-                       ce_mark_uptodate(ce);
+                       if (!S_ISGITLINK(ce->ce_mode))
+                               ce_mark_uptodate(ce);
                        return ce;
                }
        }