$ git clone -n https://gitee.com/tomcruiseqi/protobuf.git /var/lib/mock/dist-an23.3-build-461787-73778/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/dist-an23.3-build-461787-73778/root/chroot_tmpdir/scmroot/protobuf'...
$ git fetch origin 2366fdce220cea4cd0f3438267f14dcd027c17b1:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/protobuf
 * [new ref]         2366fdce220cea4cd0f3438267f14dcd027c17b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2366fdc Update to 31.1