$ git clone -n https://git.cclinux.org/stage/rpms/tzdata.git /var/lib/mock/dist-circle8-build-19462-3613/root/chroot_tmpdir/scmroot/tzdata
Cloning into '/var/lib/mock/dist-circle8-build-19462-3613/root/chroot_tmpdir/scmroot/tzdata'...
$ git reset --hard eaafbf10daabd97f6940c04e9708593dac9001aa
HEAD is now at eaafbf1 import tzdata-2021a-1.el8