$ git clone -n https://src.fedoraproject.org/rpms/rubygem-serialport.git /var/lib/mock/f33-build-298459-56160/root/chroot_tmpdir/scmroot/rubygem-serialport
Cloning into '/var/lib/mock/f33-build-298459-56160/root/chroot_tmpdir/scmroot/rubygem-serialport'...
$ git reset --hard e01f897f9062713bb70c46803105c2e8970f0856
HEAD is now at e01f897 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild