$ git clone -n https://gitee.com/wency_cn/python-psycopg2.git /var/lib/mock/dist-an23-build-491535-74530/root/chroot_tmpdir/scmroot/python-psycopg2
Cloning into '/var/lib/mock/dist-an23-build-491535-74530/root/chroot_tmpdir/scmroot/python-psycopg2'...
$ git fetch origin 4ba2502e8fcada32b0a36918f3447b09693b6110:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-psycopg2
 * [new ref]         4ba2502e8fcada32b0a36918f3447b09693b6110 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ba2502 Update code from upstream