diff documentation: mostly talk about <commit>

diff --git a/builtin-add.c b/builtin-add.c
index c8a114fefb60a106dccffda5c703f2f00fa30ce9..f306f82b16c3c3c76416610cd4cabf0a307924ed 100644 (file)
--- a/builtin-add.c
+++ b/builtin-add.c
@@ -111,6 +111,11 @@ int cmd_add(int argc, const char **argv, const char *prefix)
                }
                usage(builtin_add_usage);
        }
+       if (argc <= i) {
+               fprintf(stderr, "Nothing specified, nothing added.\n");
+               fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
+               return 0;
+       }
        pathspec = get_pathspec(prefix, argv + i);
 
        fill_directory(&dir, pathspec);