Move odb_backend implementors stuff into git2/sys

This moves some of the odb_backend stuff that is related to the
internals of an odb_backend implementation into include/git2/sys.

Some of the stuff related to streaming I left in include/git2
because it seemed like it would be reasonably needed by a normal
user who wanted to stream objects into and out of the ODB.

Also, I added APIs for traversing the list of backends so that
some of the tests would not need to access ODB internals.

1 files changed, 1 insertions, 21 deletions

diff --git a/include/git2/indexer.h b/include/git2/indexer.h
index dfe6ae5aa..262dcd154 100644
--- a/include/git2/indexer.h
+++ b/include/git2/indexer.h
@@ -8,31 +8,11 @@
 #define _INCLUDE_git_indexer_h__
 
 #include "common.h"
+#include "types.h"
 #include "oid.h"
 
 GIT_BEGIN_DECL
 
-/**
- * This is passed as the first argument to the callback to allow the
- * user to see the progress.
- */
-typedef struct git_transfer_progress {
-	unsigned int total_objects;
-	unsigned int indexed_objects;
-	unsigned int received_objects;
-	size_t received_bytes;
-} git_transfer_progress;
-
-
-/**
- * Type for progress callbacks during indexing.  Return a value less than zero
- * to cancel the transfer.
- *
- * @param stats Structure containing information about the state of the transfer
- * @param payload Payload provided by caller
- */
-typedef int (*git_transfer_progress_callback)(const git_transfer_progress *stats, void *payload);
-
 typedef struct git_indexer_stream git_indexer_stream;
 
 /**