$ git clone -n http://8.131.229.236/anolis-os/python-unittest2 /var/lib/mock/dist-el8-build-8970-1466/root/chroot_tmpdir/scmroot/python-unittest2
Cloning into '/var/lib/mock/dist-el8-build-8970-1466/root/chroot_tmpdir/scmroot/python-unittest2'...
$ git reset --hard origin/a8
HEAD is now at 86c933f import python-unittest2-1.1.0-16.el8.src.rpm