$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/rhel-system-roles /var/lib/mock/dist-el8-build-6554-132/root/chroot_tmpdir/scmroot/rhel-system-roles
Cloning into '/var/lib/mock/dist-el8-build-6554-132/root/chroot_tmpdir/scmroot/rhel-system-roles'...
$ git reset --hard origin/a8
HEAD is now at 36070d9 import rhel-system-roles-1.0-10.el8_1.src.rpm