$ git clone -n https://src.fedoraproject.org/rpms/cswrap.git /var/lib/mock/f45-build-5750-341/root/chroot_tmpdir/scmroot/cswrap
Cloning into '/var/lib/mock/f45-build-5750-341/root/chroot_tmpdir/scmroot/cswrap'...
$ git fetch origin d8d7a9d7f25a5d3bcaaf9ec9940117720f1c4cc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cswrap
 * [new ref]         d8d7a9d7f25a5d3bcaaf9ec9940117720f1c4cc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8d7a9d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild