$ git clone -n https://gitee.com/zhoujiajia111/cups.git /var/lib/mock/dist-an23-build-468880-74027/root/chroot_tmpdir/scmroot/cups
Cloning into '/var/lib/mock/dist-an23-build-468880-74027/root/chroot_tmpdir/scmroot/cups'...
$ git fetch origin bbc581feeaa19d910a23f243241c3538583e3890:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/cups
 * [new ref]         bbc581feeaa19d910a23f243241c3538583e3890 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbc581f Update code from upstream