$ git clone -n http://8.131.229.236/anolis-os/libvncserver /var/lib/mock/dist-el8-updates-build-16583-2666/root/chroot_tmpdir/scmroot/libvncserver
Cloning into '/var/lib/mock/dist-el8-updates-build-16583-2666/root/chroot_tmpdir/scmroot/libvncserver'...
$ git reset --hard origin/a8
HEAD is now at 5aacf2b update to libvncserver-0.9.11-15.el8_2.1