$ git clone -n https://gitee.com/src-opencloudos-rpms/emacs.git /var/lib/mock/dist-oc9-build-251730-84139/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-oc9-build-251730-84139/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin 8f1af9266a90dd1c99d2990cb2d8baeab392f0bd:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/emacs
 * [new ref]         8f1af9266a90dd1c99d2990cb2d8baeab392f0bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f1af92 import emacs-29.1-16.tl4