$ git clone -n https://gitee.com/wency_cn/tar_1765420975.git /var/lib/mock/dist-an23-build-494329-74584/root/chroot_tmpdir/scmroot/tar_1765420975
Cloning into '/var/lib/mock/dist-an23-build-494329-74584/root/chroot_tmpdir/scmroot/tar_1765420975'...
$ git fetch origin db84fc062c24b7cc1e71058ac7dab09181080f43:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tar_1765420975
 * [new ref]         db84fc062c24b7cc1e71058ac7dab09181080f43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db84fc0 Update code from upstream