$ git clone -n https://gitee.com/opencloudos-stream/flex.git /var/lib/mock/dist-ocs23-build-61858-2367/root/chroot_tmpdir/scmroot/flex
Cloning into '/var/lib/mock/dist-ocs23-build-61858-2367/root/chroot_tmpdir/scmroot/flex'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/flex
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae708cb Rebuilt for OpenCloudOS Stream 23.09