[ostree] core: While walking mtrees during commit, ensure the referenced path is resolved

[Colin Walters <walters src gnome org>]

commit 62821024b9b37fb576f53b83984f0b1386843fba
Author: Colin Walters <walters verbum org>
Date:   Wed Jan 11 13:42:59 2012 -0500

    core: While walking mtrees during commit, ensure the referenced path is resolved
    
    This gives us a clean error instead of an assertion.

 src/libostree/ostree-repo.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index 92d15f4..06fe37f 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -1437,6 +1437,9 @@ ostree_repo_stage_directory_to_mtree (OstreeRepo           *self,
 
   if (repo_dir)
     {
+      if (!ostree_repo_file_ensure_resolved (repo_dir, error))
+        goto out;
+
       ostree_mutable_tree_set_metadata_checksum (mtree, ostree_repo_file_get_checksum (repo_dir));
       repo_dir_was_empty = 
         g_hash_table_size (ostree_mutable_tree_get_files (mtree)) == 0