die("more than one --exclude-per-directory are given.");
dir = xcalloc(1, sizeof(*opts.dir));
- dir->show_ignored = 1;
+ dir->flags |= DIR_SHOW_IGNORED;
dir->exclude_per_dir = arg + 24;
opts.dir = dir;
/* We do not need to nor want to do read-directory
* "-m ent" or "--reset ent" form), we can obtain a fully
* valid cache-tree because the index must match exactly
* what came from the tree.
+ *
+ * The same holds true if we are switching between two trees
+ * using read-tree -m A B. The index must match B after that.
*/
if (nr_trees == 1 && !opts.prefix)
prime_cache_tree(&active_cache_tree, trees[0]);
+ else if (nr_trees == 2 && opts.merge)
+ prime_cache_tree(&active_cache_tree, trees[1]);
if (write_cache(newfd, active_cache, active_nr) ||
commit_locked_index(&lock_file))