$ git clone -n https://src.fedoraproject.org/rpms/mingw-python-pytz.git /var/lib/mock/f45-build-18697-526/root/chroot_tmpdir/scmroot/mingw-python-pytz
Cloning into '/var/lib/mock/f45-build-18697-526/root/chroot_tmpdir/scmroot/mingw-python-pytz'...
$ git fetch origin 66674e894a626888e38d77d5024a11c4528588b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-python-pytz
 * [new ref]         66674e894a626888e38d77d5024a11c4528588b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66674e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild