#!/usr/bin/env bash
# Given a Zulip production environment that had been installed with a
# previous version of Zulip, upgrade it to the commit being tested.
# This takes as input the tarball generated by production-build.
set -e
set -x

# Start the services that would be running on a working Zulip host;
# since this is a container, these services are not started
# automatically.

# Start the postgresql service.
sudo service postgresql start

# Starting the rabbitmq-server
epmd -daemon
sudo service rabbitmq-server start

# Start the supervisor
sudo service supervisor start

# Zulip releases before 2.1.8/3.5/4.4 have a bug in their
# `upgrade-zulip` scripts, resulting in them exiting with status 0
# unconditionally. We work around that by running
# scripts/lib/upgrade-zulip instead.
UPGRADE_SCRIPT=/home/zulip/deployments/current/scripts/lib/upgrade-zulip

# Execute the upgrade.
sudo "$UPGRADE_SCRIPT" /tmp/zulip-server-test.tar.gz