introduce delta objects with offset to base

diff --git a/cache.h b/cache.h
index 97debd03c51c03c6df9a96e3f7de99bf4b4313e1..3c5415e77da74a7fa8b930928509e9f26f6bb984 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -274,8 +274,9 @@ enum object_type {
        OBJ_TREE = 2,
        OBJ_BLOB = 3,
        OBJ_TAG = 4,
-       /* 5/6 for future expansion */
-       OBJ_DELTA = 7,
+       /* 5 for future expansion */
+       OBJ_OFS_DELTA = 6,
+       OBJ_REF_DELTA = 7,
        OBJ_BAD,
 };