[arch-haskell] Package Signing

[Xyne]

Hi Magnus,

It's time to nag you again about package signing. I can give you a script to
batch sign packages, run repo-add, then sign the generated repo with a single
passphrase prompt. Obviously I don't know how well that fits with your current
release method, but it should be possible to set something up that is minimally
invasive and I'll gladly help if I can.

Regards,
Xyne