Merge pull request #1973 from mwleeds/avoid-extraneous-summary-copy

Don't copy summary for collection-ref mirror subset pulls

src/libostree/ostree-repo-pull.c

@@ -4567,7 +4567,8 @@ ostree_repo_pull_with_options (OstreeRepo             *self,
         }
     }
 
-  if (pull_data->is_mirror && pull_data->summary_data && !refs_to_fetch && !configured_branches)
+  if (pull_data->is_mirror && pull_data->summary_data &&
+      !refs_to_fetch && !opt_collection_refs_set && !configured_branches)
     {
       GLnxFileReplaceFlags replaceflag =
         pull_data->repo->disable_fsync ? GLNX_FILE_REPLACE_NODATASYNC : 0;