$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdav.git /var/lib/mock/f41-build-side-1-2834517-33684/root/chroot_tmpdir/scmroot/kf6-kdav
Cloning into '/var/lib/mock/f41-build-side-1-2834517-33684/root/chroot_tmpdir/scmroot/kf6-kdav'...
$ git fetch origin d956778bc3d36250e897c18e8b06dccf0877a780:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdav
 * [new ref]         d956778bc3d36250e897c18e8b06dccf0877a780 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d956778 6.6.0