$ git clone -n https://gitee.com/wency_cn/mcstrans_1764776474.git /var/lib/mock/dist-an23-build-490945-74530/root/chroot_tmpdir/scmroot/mcstrans_1764776474
Cloning into '/var/lib/mock/dist-an23-build-490945-74530/root/chroot_tmpdir/scmroot/mcstrans_1764776474'...
$ git fetch origin bbc5473e68ac9647e3d424ca500786ea3e7cdfa2:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/mcstrans_1764776474
 * [new ref]         bbc5473e68ac9647e3d424ca500786ea3e7cdfa2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbc5473 Update code from upstream