$ git clone -n https://src.fedoraproject.org/rpms/python-pytzdata.git /var/lib/mock/f45-build-32655-661/root/chroot_tmpdir/scmroot/python-pytzdata
Cloning into '/var/lib/mock/f45-build-32655-661/root/chroot_tmpdir/scmroot/python-pytzdata'...
$ git fetch origin f8a5f5e7c8980144e0b9f7650ab423d13e6e7829:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pytzdata
 * [new ref]         f8a5f5e7c8980144e0b9f7650ab423d13e6e7829 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8a5f5e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild