$ git clone -n https://gitee.com/src-opencloudos-rpms/brotli.git /var/lib/mock/dist-oc9-build-40745-14591/root/chroot_tmpdir/scmroot/brotli
Cloning into '/var/lib/mock/dist-oc9-build-40745-14591/root/chroot_tmpdir/scmroot/brotli'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/brotli
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e489f0 import brotli-1.0.9-3.tl4