Merge branch 'ma/config-store-data-clear'

diff --git a/unpack-trees.c b/unpack-trees.c
index dec37ad1e7409aa6814cd22c914e05bcd9babf1d..d17f726e7572985c8c2fa5289bafe7c1b78eaa00 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -398,7 +398,7 @@ static int check_updates(struct unpack_trees_options *o)
 
                if (ce->ce_flags & CE_UPDATE) {
                        if (ce->ce_flags & CE_WT_REMOVE)
-                               die("BUG: both update and delete flags are set on %s",
+                               BUG("both update and delete flags are set on %s",
                                    ce->name);
                        display_progress(progress, ++cnt);
                        ce->ce_flags &= ~CE_UPDATE;
@@ -1284,10 +1284,21 @@ 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++;
-       hashcpy(o->result.sha1, o->src_index->sha1);
+       } else {
+               o->result.split_index = init_split_index(&o->result);
+       }
+       oidcpy(&o->result.oid, &o->src_index->oid);
        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);
@@ -1509,8 +1520,8 @@ static int verify_uptodate_1(const struct cache_entry *ce,
                add_rejected_path(o, error_type, ce->name);
 }
 
-static int verify_uptodate(const struct cache_entry *ce,
-                          struct unpack_trees_options *o)
+int verify_uptodate(const struct cache_entry *ce,
+                   struct unpack_trees_options *o)
 {
        if (!o->skip_sparse_checkout && (ce->ce_flags & CE_NEW_SKIP_WORKTREE))
                return 0;