$ git clone -n https://src.fedoraproject.org/rpms/kernel-tools.git /var/lib/mock/f40-build-2067342-49291/root/chroot_tmpdir/scmroot/kernel-tools
Cloning into '/var/lib/mock/f40-build-2067342-49291/root/chroot_tmpdir/scmroot/kernel-tools'...
$ git fetch origin 313689a3b54e90538e1d72ec4e8185474952f49e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel-tools
 * [new ref]         313689a3b54e90538e1d72ec4e8185474952f49e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 313689a Linux v6.7-rc6