midx: use existing midx when writing new one

diff --git a/midx.h b/midx.h
index 1b976df8735da646ede60ecdf57397e32b13ab34..d4cde99473aa1df63a3143979469149ec4ef2342 100644 (file)
--- a/midx.h
+++ b/midx.h
@@ -35,6 +35,7 @@ struct object_id *nth_midxed_object_oid(struct object_id *oid,
                                        struct multi_pack_index *m,
                                        uint32_t n);
 int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
+int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir);
 
 int write_midx_file(const char *object_dir);