$ git clone -n https://gitee.com/src-anolis-os/emacs.git /var/lib/mock/dist-an8.6-build-182624-60012/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-an8.6-build-182624-60012/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin a8-poc:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/emacs
 * [new branch]      a8-poc     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acd7bc9 build: support loongarch64 platform