$ git clone -n https://gitee.com/opencloudos-stream/m4.git /var/lib/mock/dist-ocs23-build-234408-20262/root/chroot_tmpdir/scmroot/m4
Cloning into '/var/lib/mock/dist-ocs23-build-234408-20262/root/chroot_tmpdir/scmroot/m4'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/m4
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c59582c Rebuilt for loongarch release