$ git clone -n https://gitee.com/wenyuzifang/autogen.git /var/lib/mock/dist-an23-build-461222-73770/root/chroot_tmpdir/scmroot/autogen
Cloning into '/var/lib/mock/dist-an23-build-461222-73770/root/chroot_tmpdir/scmroot/autogen'...
$ git fetch origin e277b8481d42dbe13512fffedec92af2d3aa5c8a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/autogen
 * [new ref]         e277b8481d42dbe13512fffedec92af2d3aa5c8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e277b84 Update code from upstream