extern struct diff_filespec *cgit_get_current_old_file(void);
extern struct diff_filespec *cgit_get_current_new_file(void);
-extern unsigned char old_rev_sha1[20];
-extern unsigned char new_rev_sha1[20];
+extern struct object_id old_rev_oid[1];
+extern struct object_id new_rev_oid[1];
#endif /* UI_DIFF_H */