use up to 128 delta chain elements again; creates smaller packs at same speed
diff --git a/lib/pack_create.c b/lib/pack_create.c
index b5f4f55..5e229ab 100644
--- a/lib/pack_create.c
+++ b/lib/pack_create.c
@@ -309,7 +309,7 @@ pick_deltas(struct got_pack_meta **meta, int nmeta, int nours,
}
base = meta[j];
/* long chains make unpacking slow, avoid such bases */
- if (base->nchain >= 32 ||
+ if (base->nchain >= 128 ||
base->obj_type != m->obj_type)
continue;