$ git clone -n https://src.fedoraproject.org/rpms/kernel-headers.git /var/lib/mock/f40-build-2227352-53013/root/chroot_tmpdir/scmroot/kernel-headers
Cloning into '/var/lib/mock/f40-build-2227352-53013/root/chroot_tmpdir/scmroot/kernel-headers'...
$ git fetch origin 31483285edcf5a1f0185134211825ae07e9467de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kernel-headers
 * [new ref]         31483285edcf5a1f0185134211825ae07e9467de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3148328 Linux v6.7