$ git clone -n http://8.131.229.236/anolis-os/kernel /var/lib/mock/dist-el8-updates-build-16820-2666/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/dist-el8-updates-build-16820-2666/root/chroot_tmpdir/scmroot/kernel'...
$ git reset --hard origin/a8
HEAD is now at 4a2fa2b update to kernel-4.18.0-193.47.1.el8_2.src.rpm