$ git clone -n https://gitee.com/wenyuzifang/vsftpd.git /var/lib/mock/dist-an23-build-487091-74390/root/chroot_tmpdir/scmroot/vsftpd
Cloning into '/var/lib/mock/dist-an23-build-487091-74390/root/chroot_tmpdir/scmroot/vsftpd'...
$ git fetch origin 4a52a78f51e21989e9e9a7fb64125fb83fd85240:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/vsftpd
 * [new ref]         4a52a78f51e21989e9e9a7fb64125fb83fd85240 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a52a78 Update code from upstream