$ git clone -n https://gitee.com/wency_cn/python-freezegun.git /var/lib/mock/dist-an23-build-491370-74530/root/chroot_tmpdir/scmroot/python-freezegun
Cloning into '/var/lib/mock/dist-an23-build-491370-74530/root/chroot_tmpdir/scmroot/python-freezegun'...
$ git fetch origin b641fdc1278750f755a6a112442fc3d2b8908fcb:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-freezegun
 * [new ref]         b641fdc1278750f755a6a112442fc3d2b8908fcb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b641fdc Update code from upstream