$ git clone -n https://src.fedoraproject.org/rpms/cdrkit.git /var/lib/mock/f33-build-122014-38180/root/chroot_tmpdir/scmroot/cdrkit
Cloning into '/var/lib/mock/f33-build-122014-38180/root/chroot_tmpdir/scmroot/cdrkit'...
$ git reset --hard 28936386b00c408503226be12e8a2b93d9aa5c1f
HEAD is now at 2893638 Fixed FTBFS