add: warn when adding an embedded repository

diff --git a/builtin/diff-files.c b/builtin/diff-files.c
index 9200069363ff016d167f6885688650158c12e507..a572da9d5152ddf541f71e1aaf8abdb3c98f8ffe 100644 (file)
--- a/builtin/diff-files.c
+++ b/builtin/diff-files.c
@@ -11,7 +11,7 @@
 #include "submodule.h"
 
 static const char diff_files_usage[] =
-"git diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
+"git diff-files [-q] [-0 | -1 | -2 | -3 | -c | --cc] [<common-diff-options>] [<path>...]"
 COMMON_DIFF_OPTIONS_HELP;
 
 int cmd_diff_files(int argc, const char **argv, const char *prefix)
@@ -20,10 +20,11 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix)
        int result;
        unsigned options = 0;
 
+       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);
 
        argc = setup_revisions(argc, argv, &rev, NULL);
        while (1 < argc && argv[1][0] == '-') {