$ git clone -n https://gitee.com/wency_cn/cups_1770924402.git /var/lib/mock/dist-an23-build-514284-75110/root/chroot_tmpdir/scmroot/cups_1770924402
Cloning into '/var/lib/mock/dist-an23-build-514284-75110/root/chroot_tmpdir/scmroot/cups_1770924402'...
$ git fetch origin 71f1fd7083ebc8abd16e9790dc842dd1c5bec051:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups_1770924402
 * [new ref]         71f1fd7083ebc8abd16e9790dc842dd1c5bec051 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71f1fd7 Update code from upstream