Not enough for my case.
You can see here the script where I met the need :
https://gist.github.com/aeris/8483548

I have to verify 3 or more signatures, and need to ensure each from a different
signer.
Using gpgv to do this will be a huge hack with multiple trustedkeys.gpg creation
with a single key inside.
Worst and more complicated solution than my current one (with only one sed).

A « --ensure-signer » option with « gpg --verify » will be definitely simpler
and more secure and robust.
Or I miss something in gpgv.