$ git clone -n https://src.fedoraproject.org/rpms/paperkey.git /var/lib/mock/f31-build-67155-29992/root/chroot_tmpdir/scmroot/paperkey
Cloning into '/var/lib/mock/f31-build-67155-29992/root/chroot_tmpdir/scmroot/paperkey'...
$ git reset --hard e2dc20c07ac07dcd9d95b0a17a5b5c71cb24f9b6
HEAD is now at e2dc20c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild