git-apply -R: binary patches are irreversible for now.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-apply.c b/builtin-apply.c
index 6b38a8ad0d44edd6f8180f00f0a551bffc90e886..d4381d9a8fe2effcaca46e8455fc6601ee3dfc36 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1535,6 +1535,12 @@ static int apply_binary_fragment(struct buffer_desc *desc, struct patch *patch)
        void *data;
        void *result;
 
+       /* Binary patch is irreversible */
+       if (patch->is_reverse)
+               return error("cannot reverse-apply a binary patch to '%s'",
+                            patch->new_name
+                            ? patch->new_name : patch->old_name);
+
        data = inflate_it(fragment->patch, fragment->size,
                          patch->deflate_origlen);
        if (!data)