$ git clone -n https://gitee.com/opencloudos-stream/libarrow.git /var/lib/mock/dist-oc9-epol-build-68450-46990/root/chroot_tmpdir/scmroot/libarrow
Cloning into '/var/lib/mock/dist-oc9-epol-build-68450-46990/root/chroot_tmpdir/scmroot/libarrow'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libarrow
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51fea36 !4 Rebuild for grpc-1.56.1 Merge pull request !4 from ZoeDong/master