extern int diff_auto_refresh_index;
/* match-trees.c */
-void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int);
-void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char *, const char *);
+void shift_tree(const struct object_id *, const struct object_id *, struct object_id *, int);
+void shift_tree_by(const struct object_id *, const struct object_id *, struct object_id *, const char *);
/*
* whitespace rules.