$ git clone -n https://gitee.com/opencloudos-stream/brltty.git /var/lib/mock/dist-ocs23-build-22116-1041/root/chroot_tmpdir/scmroot/brltty
Cloning into '/var/lib/mock/dist-ocs23-build-22116-1041/root/chroot_tmpdir/scmroot/brltty'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/brltty
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba478cd !2 Rebuilt for tcl 8.6.13 Merge pull request !2 from cunshunxia/master