$ git clone -n https://src.fedoraproject.org/rpms/kf5-sonnet.git /var/lib/mock/f41-build-809210-146131/root/chroot_tmpdir/scmroot/kf5-sonnet
Cloning into '/var/lib/mock/f41-build-809210-146131/root/chroot_tmpdir/scmroot/kf5-sonnet'...
$ git fetch origin b90b760486805ea34fd32d6e2e74f6c0fa5880cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-sonnet
 * [new ref]         b90b760486805ea34fd32d6e2e74f6c0fa5880cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b90b760 5.116.0