$ git clone -n https://gitee.com/wency_cn/vsftpd_1770908495.git /var/lib/mock/dist-an23-build-514212-75110/root/chroot_tmpdir/scmroot/vsftpd_1770908495
Cloning into '/var/lib/mock/dist-an23-build-514212-75110/root/chroot_tmpdir/scmroot/vsftpd_1770908495'...
$ git fetch origin 6f4528f07547170d30a206519388e1a8589395de:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/vsftpd_1770908495
 * [new ref]         6f4528f07547170d30a206519388e1a8589395de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f4528f Update code from upstream