$ git clone -n https://src.fedoraproject.org/rpms/kf5-kontactinterface.git /var/lib/mock/f45-build-14888-465/root/chroot_tmpdir/scmroot/kf5-kontactinterface
Cloning into '/var/lib/mock/f45-build-14888-465/root/chroot_tmpdir/scmroot/kf5-kontactinterface'...
$ git fetch origin da509f0a17aa72b0e4a954ec8205a98780c9798b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kontactinterface
 * [new ref]         da509f0a17aa72b0e4a954ec8205a98780c9798b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da509f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild