[PATCH] gpg: Remove tofu database format "split".

[Neal H. Walfield]

On Sat, 06 Aug 2016 10:45:00 +0200,
Werner Koch wrote:
> On Fri,  5 Aug 2016 23:29, neal at walfield.org said:
> 
> > really like the future.  Nevertheless, it is only a half solution,
> > because it doesn't sync my keyring, etc.  I think we (well, at least
> > I) need a tool that can merge two GNUPGHOME directories.
> 
> An obvious feature for this would be --{export,import}-tofudb similar to
> --{export,import}-ownertrust.  However this will soon get too
> complicated.  Thus it might be useful to think of a backup tool to
> backup and restore _all_ required files.  gpgtar would enable us to do
> this in a portable way.  If we would serialize the databases before
> taring them up this would allow to implement a --merge-restore feature.

Merging, not exporting, is the tricky part, I think.