diff options
| -rw-r--r-- | unpack-trees.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/unpack-trees.c b/unpack-trees.c index e73745051e..49526d70aa 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -1284,9 +1284,20 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options o->result.timestamp.sec = o->src_index->timestamp.sec; o->result.timestamp.nsec = o->src_index->timestamp.nsec; o->result.version = o->src_index->version; - o->result.split_index = o->src_index->split_index; - if (o->result.split_index) + if (!o->src_index->split_index) { + o->result.split_index = NULL; + } else if (o->src_index == o->dst_index) { + /* + * o->dst_index (and thus o->src_index) will be discarded + * and overwritten with o->result at the end of this function, + * so just use src_index's split_index to avoid having to + * create a new one. + */ + o->result.split_index = o->src_index->split_index; o->result.split_index->refcount++; + } else { + o->result.split_index = init_split_index(&o->result); + } hashcpy(o->result.sha1, o->src_index->sha1); o->merge_size = len; mark_all_ce_unused(o->src_index); @@ -1401,7 +1412,6 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options } } - o->src_index = NULL; ret = check_updates(o) ? (-2) : 0; if (o->dst_index) { if (!ret) { @@ -1412,12 +1422,13 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options WRITE_TREE_SILENT | WRITE_TREE_REPAIR); } - move_index_extensions(&o->result, o->dst_index); + move_index_extensions(&o->result, o->src_index); discard_index(o->dst_index); *o->dst_index = o->result; } else { discard_index(&o->result); } + o->src_index = NULL; done: clear_exclude_list(&el); |