$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libpq /var/lib/mock/dist-el8-build-6362-104/root/chroot_tmpdir/scmroot/libpq
Cloning into '/var/lib/mock/dist-el8-build-6362-104/root/chroot_tmpdir/scmroot/libpq'...
$ git reset --hard origin/a8
HEAD is now at ce54865 import libpq-12.1-3.el8.src.rpm