$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/crda /var/lib/mock/dist-el8-build-168-27/root/chroot_tmpdir/scmroot/crda
Cloning into '/var/lib/mock/dist-el8-build-168-27/root/chroot_tmpdir/scmroot/crda'...
$ git reset --hard origin/a8
HEAD is now at bb60bc2 import crda-3.18_2018.05.31-3.el8.src.rpm