$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/polkit-gnome /var/lib/mock/dist-an8-build-7165-362/root/chroot_tmpdir/scmroot/polkit-gnome
Cloning into '/var/lib/mock/dist-an8-build-7165-362/root/chroot_tmpdir/scmroot/polkit-gnome'...
$ git reset --hard origin/a8
HEAD is now at 8dc0808 import polkit-gnome-0.106-0.2.20170423gita0763a2.el8