$ gpg2 --homedir testdir --fingerprint
testdir/pubring.kbx
pub ed25519/F12ADE92 2014-12-10 [expires: 2015-12-10]
Key fingerprint = 05A8 26A0 18E6 ABD4 7C44 6857 C41C F0FC F12A DE92
uid [ unknown] Peace
uid [ unknown] lol@lol.ol <lol@lol.ol>
sub ed25519/968F1E64 2014-12-10 ed25519 [expires: 2015-12-10]
sub ed25519/EEC02284 2014-12-10 ed25519 [expires: 2015-12-10]
sub elg4096/E44F3EDF 2014-12-10 [expires: 2015-03-10]
$ gpg2 --homedir testdir --export -a F12ADE92
works fine
$ gpg2 --homedir testdir --export -a 05A826A018E6ABD47C446857C41CF0FCF12ADE92
- keeps outputting data and never stops