object: move grafts to object parser

Grafts are only meaningful in the context of a single repository.
Therefore they cannot be global.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/object.h b/object.h
index 7916edb..ec908f9 100644
--- a/object.h
+++ b/object.h
@@ -12,6 +12,10 @@ struct parsed_object_pool {
 	struct alloc_state *tag_state;
 	struct alloc_state *object_state;
 	unsigned commit_count;
+
+	/* parent substitutions from .git/info/grafts and .git/shallow */
+	struct commit_graft **grafts;
+	int grafts_alloc, grafts_nr;
 };
 
 struct parsed_object_pool *parsed_object_pool_new(void);