$ git clone -n https://gitee.com/wency_cn/cups.git /var/lib/mock/dist-an23-build-493710-74562/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-493710-74562/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 9bd5748ece91e7381c9b0757fbe3e12d8f326d1a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups
 * [new ref]         9bd5748ece91e7381c9b0757fbe3e12d8f326d1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bd5748 Update code from upstream