deltas: Use delta indexes when pulling

If there is no delta index in the summary, try to fetch the
delta index for the commit we're going to and use that to find the
delta (if any).

1 files changed, 3 insertions, 1 deletions

diff --git a/src/libostree/ostree-repo-pull-private.h b/src/libostree/ostree-repo-pull-private.h
index a7ea85cd..d1c5fd14 100644
--- a/src/libostree/ostree-repo-pull-private.h
+++ b/src/libostree/ostree-repo-pull-private.h
@@ -78,7 +78,8 @@ typedef struct {
   char             *summary_sig_etag;
   guint64           summary_sig_last_modified;  /* seconds since the epoch */
   GVariant         *summary;
-  GHashTable       *summary_deltas_checksums;
+  GHashTable       *summary_deltas_checksums; /* Filled from summary and delta indexes */
+  gboolean          summary_has_deltas; /* True if the summary existed and had a delta index */
   GHashTable       *ref_original_commits; /* Maps checksum to commit, used by timestamp checks */
   GHashTable       *verified_commits; /* Set<checksum> of commits that have been verified */
   GHashTable       *signapi_verified_commits; /* Map<checksum,verification> of commits that have been signapi verified */
@@ -93,6 +94,7 @@ typedef struct {
   GHashTable       *requested_fallback_content; /* Maps checksum to itself */
   GHashTable       *pending_fetch_metadata; /* Map<ObjectName,FetchObjectData> */
   GHashTable       *pending_fetch_content; /* Map<checksum,FetchObjectData> */
+  GHashTable       *pending_fetch_delta_indexes; /* Set<FetchDeltaIndexData> */
   GHashTable       *pending_fetch_delta_superblocks; /* Set<FetchDeltaSuperData> */
   GHashTable       *pending_fetch_deltaparts; /* Set<FetchStaticDeltaData> */
   guint             n_outstanding_metadata_fetches;