$ git clone -n https://gitee.com/wency_cn/vsftpd_1767622871.git /var/lib/mock/dist-an23-build-503653-74854/root/chroot_tmpdir/scmroot/vsftpd_1767622871
Cloning into '/var/lib/mock/dist-an23-build-503653-74854/root/chroot_tmpdir/scmroot/vsftpd_1767622871'...
$ git fetch origin 55ed5122d597d32c881d286381a1e2fde1c816f7:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/vsftpd_1767622871
 * [new ref]         55ed5122d597d32c881d286381a1e2fde1c816f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55ed512 Update code from upstream