$ git clone -n https://gitee.com/wency_cn/python-gmpy2_1764801363.git /var/lib/mock/dist-an23-build-491448-74530/root/chroot_tmpdir/scmroot/python-gmpy2_1764801363
Cloning into '/var/lib/mock/dist-an23-build-491448-74530/root/chroot_tmpdir/scmroot/python-gmpy2_1764801363'...
$ git fetch origin ffd159ef679d0a0556aa489dde9896e3360afa77:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-gmpy2_1764801363
 * [new ref]         ffd159ef679d0a0556aa489dde9896e3360afa77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffd159e Update code from upstream