git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
repo_init_revisions(the_repository, &rev, prefix);
rev.abbrev = 0;
- precompose_argv(argc, argv);
+ prefix = precompose_argv_prefix(argc, argv, prefix);
argc = setup_revisions(argc, argv, &rev, NULL);
for (i = 1; i < argc; i++) {