[PATCH util-modular] release.sh: add --gpgkey option

[Julien Cristau]

On Tue, Jul 19, 2016 at 15:27:02 +0100, Emil Velikov wrote:

> From: Emil Velikov <emil.velikov at collabora.com>
> 
> To allow users with multiple keys to select the appropriate one.
> 
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
> ---
> All the "if x$GPGKEY = x" checking looks iffy so any suggestions how to
> minimise/remove it are greatly appreciated.

Set GPGKEY to "-u $1" instead of just $1, and pass that to gpg / git tag
unconditionally?

Cheers,
Julien