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| -rw-r--r-- | builtin-read-tree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/builtin-read-tree.c b/builtin-read-tree.c index 9cd7d0738e..391d709704 100644 --- a/builtin-read-tree.c +++ b/builtin-read-tree.c @@ -199,9 +199,14 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) * "-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)) |