$ git clone -n https://src.fedoraproject.org/rpms/kf5-calendarsupport.git /var/lib/mock/f39-build-2080674-49721/root/chroot_tmpdir/scmroot/kf5-calendarsupport
Cloning into '/var/lib/mock/f39-build-2080674-49721/root/chroot_tmpdir/scmroot/kf5-calendarsupport'...
$ git fetch origin 71453ab6d8fc642eeb7420259bfffec2ab031d6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-calendarsupport
 * [new ref]         71453ab6d8fc642eeb7420259bfffec2ab031d6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71453ab 23.08.4