$ git clone -n https://git.cclinux.org/stage/rpms/kernel.git /var/lib/mock/dist-circle8-build-85757-30535/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/dist-circle8-build-85757-30535/root/chroot_tmpdir/scmroot/kernel'...
$ git reset --hard 509ec234741d42a3d542279e6a75f15f19f6ae4c
HEAD is now at 509ec23 import kernel-4.18.0-425.3.1.el8