Re: [PATCH v2 2/5] ref-filter: add function to print single ref_array_item

> From: Lukas P <luk.puehringer@gmail.com>
>
> ref-filter functions are useful for printing git object information
> using a format specifier. However, some other modules may not want to use
> this functionality on a ref-array but only print a single item.
>
> Expose a format_ref function to create, pretty print and free individual
> ref-items.
>
> Signed-off-by: Lukas P <luk.puehringer@gmail.com>
> ---
> +void format_ref(const char *name, const unsigned char *sha1, const char *format,
> +		unsigned kind)
> +{
> +	struct ref_array_item *ref_item;
> +	ref_item = new_ref_array_item(name, sha1, 0);
> +	ref_item->kind = kind;
> +	show_ref_array_item(ref_item, format, 0);
> +	free_array_item(ref_item);
> +}
> +
>  /*  If no sorting option is given, use refname to sort as default */
>  struct ref_sorting *ref_default_sorting(void)
>  {
> diff --git a/ref-filter.h b/ref-filter.h
> index 14d435e..1ef7999 100644
> --- a/ref-filter.h
> +++ b/ref-filter.h
> @@ -107,4 +107,8 @@ struct ref_sorting *ref_default_sorting(void);
>  /*  Function to parse --merged and --no-merged options */
>  int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
>  
> +/* Pretty-print a single ref */
> +void format_ref(const char *name, const unsigned char *sha1, const char *format,
> +		unsigned kind);