#include "tag.h"
 #include "merge-recursive.h"
 
+static const char builtin_merge_recursive_usage[] =
+       "git %s <base>... -- <head> <remote> ...";
+
 static const char *better_branch_name(const char *branch)
 {
        static char githead_env[8 + 40 + 1];
                o.subtree_shift = "";
 
        if (argc < 4)
-               usagef("%s <base>... -- <head> <remote> ...", argv[0]);
+               usagef(builtin_merge_recursive_usage, argv[0]);
 
        for (i = 1; i < argc; ++i) {
                const char *arg = argv[i];
                                o.subtree_shift = "";
                        else if (!prefixcmp(arg+2, "subtree="))
                                o.subtree_shift = arg + 10;
+                       else if (!strcmp(arg+2, "renormalize"))
+                               o.renormalize = 1;
+                       else if (!strcmp(arg+2, "no-renormalize"))
+                               o.renormalize = 0;
                        else
                                die("Unknown option %s", arg);
                        continue;