Re: [PATCH v5b 00/17] port branch.c to use ref-filter's printing options

> This is part of unification of the commands 'git tag -l, git branch -l
> and git for-each-ref'. This ports over branch.c to use ref-filter's
> printing options.
>
> Initially posted here: $(gmane/279226). It was decided that this series
> would follow up after refactoring ref-filter parsing mechanism, which
> is now merged into master (9606218b32344c5c756f7c29349d3845ef60b80c).
>
> v1 can be found here: $(gmane/288342)
> v2 can be found here: $(gmane/288863)
> v3 can be found here: $(gmane/290299)
> v4 can be found here: $(gmane/291106)
>
> Changes in this version (v5b):
> 1. Added the first patch of the series which was missing in v5.

> Interdiff:
>
> diff --git a/builtin/branch.c b/builtin/branch.c
> index c9a2e5b..6847ac3 100644
> --- a/builtin/branch.c
> +++ b/builtin/branch.c
> @@ -288,9 +288,11 @@ static int calc_maxwidth(struct ref_array *refs, int remote_bonus)
>
>                 skip_prefix(it->refname, "refs/heads/", &desc);
>                 skip_prefix(it->refname, "refs/remotes/", &desc);
> -               if (it->kind == FILTER_REFS_DETACHED_HEAD)
> -                       w = strlen(get_head_description());
> -               else
> +               if (it->kind == FILTER_REFS_DETACHED_HEAD) {
> +                       char *head_desc = get_head_description();
> +                       w = strlen(head_desc);
> +                       free(head_desc);
> +               } else
>                         w = utf8_strwidth(desc);