$ git clone -n https://src.fedoraproject.org/rpms/kernel.git /var/lib/mock/f42-build-side-110834-59113642-6571191/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f42-build-side-110834-59113642-6571191/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 01b9ca24b51f0949514876ec601b2c0070eca628:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel
 * [new ref]             01b9ca24b51f0949514876ec601b2c0070eca628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01b9ca24b kernel-6.14.4-300