$ git clone -n https://src.fedoraproject.org/rpms/kf5-kactivities.git /var/lib/mock/f40-build-2165591-50976/root/chroot_tmpdir/scmroot/kf5-kactivities
Cloning into '/var/lib/mock/f40-build-2165591-50976/root/chroot_tmpdir/scmroot/kf5-kactivities'...
$ git fetch origin e68970666c6914e67252c84414553529b98b9233:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kactivities
 * [new ref]         e68970666c6914e67252c84414553529b98b9233 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e689706 5.113.0