static int force_remove;
 static int verbose;
 static int mark_valid_only;
-#define MARK_VALID 1
-#define UNMARK_VALID 2
+#define MARK_FLAG 1
+#define UNMARK_FLAG 2
 
 static void report(const char *fmt, ...)
 {
        va_end(vp);
 }
 
-static int mark_valid(const char *path)
+static int mark_ce_flags(const char *path, int flag, int mark)
 {
        int namelen = strlen(path);
        int pos = cache_name_pos(path, namelen);
        if (0 <= pos) {
-               switch (mark_valid_only) {
-               case MARK_VALID:
-                       active_cache[pos]->ce_flags |= CE_VALID;
-                       break;
-               case UNMARK_VALID:
-                       active_cache[pos]->ce_flags &= ~CE_VALID;
-                       break;
-               }
+               if (mark)
+                       active_cache[pos]->ce_flags |= flag;
+               else
+                       active_cache[pos]->ce_flags &= ~flag;
                cache_tree_invalidate_path(active_cache_tree, path);
                active_cache_changed = 1;
                return 0;
                goto free_return;
        }
        if (mark_valid_only) {
-               if (mark_valid(p))
+               if (mark_ce_flags(p, CE_VALID, mark_valid_only == MARK_FLAG))
                        die("Unable to mark file %s", path);
                goto free_return;
        }
                                continue;
                        }
                        if (!strcmp(path, "--assume-unchanged")) {
-                               mark_valid_only = MARK_VALID;
+                               mark_valid_only = MARK_FLAG;
                                continue;
                        }
                        if (!strcmp(path, "--no-assume-unchanged")) {
-                               mark_valid_only = UNMARK_VALID;
+                               mark_valid_only = UNMARK_FLAG;
                                continue;
                        }
                        if (!strcmp(path, "--info-only")) {