$ git clone -n https://gitee.com/src-opencloudos-rpms/emacs.git /var/lib/mock/dist-oc9-build-251395-84105/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-oc9-build-251395-84105/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin ca2296f9e39c0785907d4010b3140ebb1bb74e75:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/emacs
 * [new ref]         ca2296f9e39c0785907d4010b3140ebb1bb74e75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca2296f import emacs-29.1-15.tl4