difftool --no-index: error out on --dir-diff (and don't crash)

diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c
index a9e7b552b9d117c5f1078a0dd5864bbed724c6b6..48c5e78e339dbd32db255382f729ca2e65b514c5 100644 (file)
--- a/builtin/prune-packed.c
+++ b/builtin/prune-packed.c
@@ -63,6 +63,11 @@ int cmd_prune_packed(int argc, const char **argv, const char *prefix)
        argc = parse_options(argc, argv, prefix, prune_packed_options,
                             prune_packed_usage, 0);
 
+       if (argc > 0)
+               usage_msg_opt(_("too many arguments"),
+                             prune_packed_usage,
+                             prune_packed_options);
+
        prune_packed_objects(opts);
        return 0;
 }