#include "cache.h"
+#include "config.h"
 #include "diff.h"
 #include "commit.h"
 #include "revision.h"
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage(diff_cache_usage);
 
+       git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
        init_revisions(&rev, prefix);
        gitmodules_config();
-       git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
        rev.abbrev = 0;
        precompose_argv(argc, argv);