Re: [PATCH v5 17/23] userdiff.c: remove implicit dependency on the_index

> diff --git a/userdiff.h b/userdiff.h
> index 2ef0ce5452..dad3fc03c1 100644
> --- a/userdiff.h
> +++ b/userdiff.h
> @@ -21,7 +21,8 @@ struct userdiff_driver {
>  
>  int userdiff_config(const char *k, const char *v);
>  struct userdiff_driver *userdiff_find_by_name(const char *name);
> -struct userdiff_driver *userdiff_find_by_path(const char *path);
> +struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
> +					      const char *path);
>  
>  /*
>   * Initialize any textconv-related fields in the driver and return it, or NULL