$ git clone -n https://gitee.com/wenyuzifang/python-psycopg2.git /var/lib/mock/dist-an23-build-464110-73881/root/chroot_tmpdir/scmroot/python-psycopg2
Cloning into '/var/lib/mock/dist-an23-build-464110-73881/root/chroot_tmpdir/scmroot/python-psycopg2'...
$ git fetch origin a306ca7369897b5b6021e1973b944ce861c2ca2c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-psycopg2
 * [new ref]         a306ca7369897b5b6021e1973b944ce861c2ca2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a306ca7 Update code from upstream