$ git clone -n https://gitee.com/wency_cn/cups.git /var/lib/mock/dist-an23-build-492176-74553/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-492176-74553/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin 0625c0f964c8a13eed2596e9b7cf18d107ce7d64:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups
 * [new ref]         0625c0f964c8a13eed2596e9b7cf18d107ce7d64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0625c0f Update code from upstream