$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdav.git /var/lib/mock/f41-build-side-1-2647325-27301/root/chroot_tmpdir/scmroot/kf6-kdav
Cloning into '/var/lib/mock/f41-build-side-1-2647325-27301/root/chroot_tmpdir/scmroot/kf6-kdav'...
$ git fetch origin 74d0f143d446d31443319bcd7b89b5e8846c1ea8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdav
 * [new ref]         74d0f143d446d31443319bcd7b89b5e8846c1ea8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74d0f14 6.5.0