$ git clone -n https://src.fedoraproject.org/rpms/wqy-microhei-fonts.git /var/lib/mock/f45-build-38554-725/root/chroot_tmpdir/scmroot/wqy-microhei-fonts
Cloning into '/var/lib/mock/f45-build-38554-725/root/chroot_tmpdir/scmroot/wqy-microhei-fonts'...
$ git fetch origin 71caed63debce03210ef3d6347adb3211dbbd952:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wqy-microhei-fonts
 * [new ref]         71caed63debce03210ef3d6347adb3211dbbd952 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71caed6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild