$ git clone -n https://src.fedoraproject.org/rpms/kernel.git /var/lib/mock/f41-build-side-2-python-2708242-30463/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/f41-build-side-2-python-2708242-30463/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 7ab2a30f268c04c5668ee10ced76df0e486c9042:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel
 * [new ref]             7ab2a30f268c04c5668ee10ced76df0e486c9042 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ab2a30f2 Merge Linux v6.11