$ git clone -n https://gitee.com/src-anolis-os/emacs.git /var/lib/mock/dist-an23.2-build-434618-73106/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-an23.2-build-434618-73106/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin a23.2:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/emacs
 * [new branch]      a23.2      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 186f32c update emacs.spec.