$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/python-lxml /var/lib/mock/dist-el8-build-5478-34/root/chroot_tmpdir/scmroot/python-lxml
Cloning into '/var/lib/mock/dist-el8-build-5478-34/root/chroot_tmpdir/scmroot/python-lxml'...
$ git reset --hard origin/a8
HEAD is now at 24d3b9a import python-lxml-4.2.3-1.el8.src.rpm