$ git clone -n https://gitee.com/mgb01105731/privoxy_1.git /var/lib/mock/dist-an23-build-303182-66030/root/chroot_tmpdir/scmroot/privoxy_1
Cloning into '/var/lib/mock/dist-an23-build-303182-66030/root/chroot_tmpdir/scmroot/privoxy_1'...
$ git fetch origin dabad3c66aaa049484a93a07724ba2adf35bd19e:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/privoxy_1
 * [new ref]         dabad3c66aaa049484a93a07724ba2adf35bd19e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dabad3c init upstream from version 3.0.34