$ git clone -n https://src.fedoraproject.org/rpms/kernel.git /var/lib/mock/f43-build-side-110836-59112048-6571173/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f43-build-side-110836-59112048-6571173/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin cce8233452db53a79dc12dd110d6197e672024bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel
 * [new ref]             cce8233452db53a79dc12dd110d6197e672024bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cce823345 kernel-6.15.0-0.rc3.20250425git02ddfb981de8.32