$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdnssd.git /var/lib/mock/f45-build-14817-464/root/chroot_tmpdir/scmroot/kf5-kdnssd
Cloning into '/var/lib/mock/f45-build-14817-464/root/chroot_tmpdir/scmroot/kf5-kdnssd'...
$ git fetch origin 8edfb7f80f551f9afc01156929f36a03d2efe027:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdnssd
 * [new ref]         8edfb7f80f551f9afc01156929f36a03d2efe027 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8edfb7f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild