rebase --preserve-merges: keep all merge commits including empty ones

diff --git a/diff-lib.c b/diff-lib.c
index 62f4cd94cfbc4d3fe9e46c84f318af6624349a48..fc0dff31b58c8bd6668de5c6396a93b31cc5729d 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -469,6 +469,8 @@ static int diff_cache(struct rev_info *revs,
        opts.src_index = &the_index;
        opts.dst_index = NULL;
        opts.pathspec = &revs->diffopt.pathspec;
+       opts.pathspec->recursive = 1;
+       opts.pathspec->max_depth = -1;
 
        init_tree_desc(&t, tree->buffer, tree->size);
        return unpack_trees(1, &t, &opts);