$ git clone -n https://src.fedoraproject.org/rpms/qextserialport.git /var/lib/mock/f31-build-48120-27018/root/chroot_tmpdir/scmroot/qextserialport
Cloning into '/var/lib/mock/f31-build-48120-27018/root/chroot_tmpdir/scmroot/qextserialport'...
$ git reset --hard b6924a1d5658564661322a74dd6af40a63689b31
HEAD is now at b6924a1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild