$ git clone -n https://src.fedoraproject.org/rpms/conu.git /var/lib/mock/f45-build-5785-342/root/chroot_tmpdir/scmroot/conu
Cloning into '/var/lib/mock/f45-build-5785-342/root/chroot_tmpdir/scmroot/conu'...
$ git fetch origin 33e7548724973ac3117f6722cc61647b1ac31be3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/conu
 * [new ref]         33e7548724973ac3117f6722cc61647b1ac31be3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33e7548 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild