cherry-pick: handle root commits with external strategies

diff --git a/cache.h b/cache.h
index 2674f4cf5a74aaa8e6137985d552d7b6123a432c..28899b7b7881474eed4a6f3b6fda8db79d5cbc9c 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -573,6 +573,7 @@ extern int core_compression_seen;
 extern size_t packed_git_window_size;
 extern size_t packed_git_limit;
 extern size_t delta_base_cache_limit;
+extern unsigned long big_file_threshold;
 extern int read_replace_refs;
 extern int fsync_object_files;
 extern int core_preload_index;