$ git clone -n https://gitee.com/xuchun-shang/brotli.git /var/lib/mock/dist-an23-build-195116-60869/root/chroot_tmpdir/scmroot/brotli
Cloning into '/var/lib/mock/dist-an23-build-195116-60869/root/chroot_tmpdir/scmroot/brotli'...
$ git fetch origin bbaecf91154db55d6c3ea51a12817350e3e4bc81:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/brotli
 * [new ref]         bbaecf91154db55d6c3ea51a12817350e3e4bc81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbaecf9 spec: add doc package