$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/python-psycopg2 /var/lib/mock/dist-el8-build-5480-34/root/chroot_tmpdir/scmroot/python-psycopg2
Cloning into '/var/lib/mock/dist-el8-build-5480-34/root/chroot_tmpdir/scmroot/python-psycopg2'...
$ git reset --hard origin/a8
HEAD is now at 3b8e408 import python-psycopg2-2.7.5-7.el8.src.rpm