$ git clone -n https://git.cclinux.org/stage/rpms/kernel.git /var/lib/mock/dist-circle8_9-updates-build-112172-69953/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/dist-circle8_9-updates-build-112172-69953/root/chroot_tmpdir/scmroot/kernel'...
$ git fetch origin 0bd6f057efab2f6d8701a24c42af9a2086b30ae6:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/kernel
 * [new ref]         0bd6f057efab2f6d8701a24c42af9a2086b30ae6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bd6f05 import kernel-4.18.0-513.24.1.el8_9