$ git clone -n https://src.fedoraproject.org/rpms/paperkey.git /var/lib/mock/f31-build-50784-27434/root/chroot_tmpdir/scmroot/paperkey
Cloning into '/var/lib/mock/f31-build-50784-27434/root/chroot_tmpdir/scmroot/paperkey'...
$ git reset --hard e26d285ee89e461a0d847a804a9f120364bd2f9c
HEAD is now at e26d285 Update upstream gpg key