Merge pull request #1316 from ben/clone-cancel

Allow network operations to cancel

1 files changed, 6 insertions, 2 deletions

diff --git a/include/git2/indexer.h b/include/git2/indexer.h
index c428d43a8..151f5b4e7 100644
--- a/include/git2/indexer.h
+++ b/include/git2/indexer.h
@@ -25,9 +25,13 @@ typedef struct git_transfer_progress {
 
 
 /**
- * Type for progress callbacks during indexing
+ * 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 void (*git_transfer_progress_callback)(const git_transfer_progress *stats, void *payload);
+typedef int (*git_transfer_progress_callback)(const git_transfer_progress *stats, void *payload);
 
 typedef struct git_indexer git_indexer;
 typedef struct git_indexer_stream git_indexer_stream;