cherry-pick/revert: transparently refresh index

diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c
index 685566e0b5e458c510fdf989744d63dda29e28f0..f63973c9143c4109a3d1e40df9ec66a32498fe00 100644 (file)
--- a/builtin/unpack-objects.c
+++ b/builtin/unpack-objects.c
@@ -83,7 +83,7 @@ static void use(int bytes)
        offset += bytes;
 
        /* make sure off_t is sufficiently large not to wrap */
-       if (consumed_bytes > consumed_bytes + bytes)
+       if (signed_add_overflows(consumed_bytes, bytes))
                die("pack too large for current definition of off_t");
        consumed_bytes += bytes;
 }