builtin/submodule--helper: factor out submodule updating

diff --git a/xdiff-interface.c b/xdiff-interface.c
index 770e1f7f8185e05f2618c261b70a5773041432fb..ec6e574e4aa07414b9a17bb99ddee26fd44497de 100644 (file)
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "config.h"
+#include "object-store.h"
 #include "xdiff-interface.h"
 #include "xdiff/xtypes.h"
 #include "xdiff/xdiffi.h"
@@ -191,7 +192,7 @@ void read_mmblob(mmfile_t *ptr, const struct object_id *oid)
                return;
        }
 
-       ptr->ptr = read_sha1_file(oid->hash, &type, &size);
+       ptr->ptr = read_object_file(oid, &type, &size);
        if (!ptr->ptr || type != OBJ_BLOB)
                die("unable to read blob object %s", oid_to_hex(oid));
        ptr->size = size;