On 2024-12-09 we discussed: > > It appears that this environment variable can cause trouble in some > > situations. Therefore I would be in favour of adding a small paragraph > > about it in the 'gnupload --help' output, but *not* set it inside the > > script. > > OK, done via the attached.
In fact, more detailed arguments what can go wrong with GPG_TTY are found in [1]. [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=847389#10