bug#32342: [PATCH] Do not store mtime when compressing stdin

[Paul Eggert]

On 08/02/2018 01:31 AM, Bernhard M. Wiedemann wrote:
> I know that it does, but patching hundreds of packages [1] (including
> ones still to be created) doing
> tar -czf $file
> to do instead
> tar -c | gzip -n > $file

This would be something that tar could and should address, I'd think.

> Is there a good reason to want the current time in .gz in this situation?

It seemed like a good idea at the time :-). At this point, it'd be an 
incompatible change to omit the timestamp.