$ git clone -n https://gitee.com/mgb01105731/privoxy.git /var/lib/mock/dist-an23-epao-build-302705-66000/root/chroot_tmpdir/scmroot/privoxy
Cloning into '/var/lib/mock/dist-an23-epao-build-302705-66000/root/chroot_tmpdir/scmroot/privoxy'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/privoxy
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdcf868 init upstream from version 3.0.34