$ git clone -n https://gitee.com/wency_cn/cups.git /var/lib/mock/dist-an23-build-508184-74965/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-508184-74965/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 0f4dcf8c1ee43c9882216a3678e3f021a29e2a72:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups
 * [new ref]         0f4dcf8c1ee43c9882216a3678e3f021a29e2a72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f4dcf8 Update code from upstream