New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/24079#issuecomment-669640399

Comment:
On 2020-08-05 18:50:05-0700, "Andrew J. Hesford" <notifications@github.com> wrote:
> @ahesford commented on this pull request.
> 
> 
> 
> > @@ -13,7 +13,7 @@ if [ "z$UPDATE_REFIND_CONF" != "z1" ]; then
>  fi
>  
>  # Default refind.conf
> -: "${REFIND_CONF:=/boot/EFI/refind/refind.conf}"
> +: "${REFIND_CONF:=boot/EFI/refind/refind.conf}"
> 
> The `post-install` is too complicated. What about
> ```
> REFIND_CONF="$(readlink -m "${ROOTDIR}/${REFIND_CONF:-boot/EFI/refind/refind.conf}" 2>/dev/null)"
> [ -n "${REFIND_CONF}" ] || exit 0
> ```
> Since we already rely on `cat`, which is in `coreutils` alongside
> `readlink`, I don't have a problem just assuming readlink exists. We
> also just assume `awk` and `sed` are available anyway.

The complicated logic below it to ensure if we don't have
`boot/EFI/refind/refind.conf`, we'll create it.

So, `exit 0` isn't a right choice.

for sbsigntool, please use the commit from #23688

-- 
Danh