#!/usr/bin/env bash
set -x
set -e
set -o pipefail

# Code should go here, rather than tools/provision, only if it is
# something that we don't want to happen when running provision in a
# development environment not using Vagrant.

# Set the Ubuntu mirror
[ ! "$UBUNTU_MIRROR" ] || sudo sed -i 's|http://\(\w*\.\)*archive\.ubuntu\.com/ubuntu/\? |'"$UBUNTU_MIRROR"' |' /etc/apt/sources.list

# Set the MOTD on the system to have Zulip instructions
sudo ln -nsf /srv/zulip/tools/setup/dev-motd /etc/update-motd.d/99-zulip-dev
sudo rm -f /etc/update-motd.d/10-help-text
sudo dpkg --purge landscape-client landscape-common ubuntu-release-upgrader-core update-manager-core update-notifier-common ubuntu-server
sudo dpkg-divert --add --rename /etc/default/motd-news
sudo sh -c 'echo ENABLED=0 > /etc/default/motd-news'

# Set default locale, this prevents errors if the user has another locale set.
if ! grep -q 'LC_ALL=C.UTF-8' /etc/default/locale; then
    echo "LC_ALL=C.UTF-8" | sudo tee -a /etc/default/locale
fi

# Set an environment variable, so that we won't print the virtualenv
# shell warning (it'll be wrong, since the shell is dying anyway)
export SKIP_VENV_SHELL_WARNING=1

# End `set -x`, so that the end of provision doesn't look like an error
# message after a successful run.
set +x

# Check if the zulip directory is writable
if [ ! -w /srv/zulip ]; then
    echo "The vagrant user is unable to write to the zulip directory."
    echo "To fix this, run the following commands on the host machine:"
    # sudo is required since our uid is not 1000
    echo '    vagrant halt -f'
    echo '    rm -rf /PATH/TO/ZULIP/CLONE/.vagrant'
    # shellcheck disable=SC2016
    echo '    sudo chown -R 1000:$(id -g) /PATH/TO/ZULIP/CLONE'
    echo "Replace /PATH/TO/ZULIP/CLONE with the path to where zulip code is cloned."
    echo "You can resume setting up your vagrant environment by running:"
    echo "    vagrant up"
    exit 1
fi
# Provision the development environment
ln -nsf /srv/zulip ~/zulip
/srv/zulip/tools/provision

# Run any custom provision hooks the user has configured
if [ -f /srv/zulip/tools/custom_provision ]; then
    chmod +x /srv/zulip/tools/custom_provision
    /srv/zulip/tools/custom_provision
fi