#!/bin/bash
#
# rails-post-deploy
# For Ruby on Rails, run this in exec_before_down in vhosts.pl.
# This does all the tasks for a new deploying a new version that can
# be done in a new directory before taking the site down; for example,
# this is appropriate for long-running tasks like asset precompilation.
#
# Copyright (c) 2014 UK Citizens Online Democracy. All rights reserved.
# Email: hello@mysociety.org; WWW: http://www.mysociety.org/

set -e
#set -x # debug

TOP_DIR="$(dirname "$BASH_SOURCE")/.."
cd "$TOP_DIR"

# make sure that there is an app directory, so are in a rails app tree
if ! [ -d app ]
then
    echo "Error: the 'app' directory didn't exist"
    exit 1
fi

# read config file in for later (STAGING_SITE)
if [ -e "config/general" ] || [ -e "config/general.yml" ]
then
    . commonlib/shlib/deployfns
    read_conf config/general
else
    OPTION_DOMAIN=127.0.0.1:3000
    OPTION_STAGING_SITE=1
fi

# create initial log files
if [ -e $TOP_DIR/../logs ]
then
    # mySociety servers have logs dir in level above
    if ! [ -h log ] && [ -d log ]
    then
        # If log is a directory rather than a symlink, move that
        # directory out of the way:
        mv log log.original
    fi
    ln -sfn $TOP_DIR/../logs log
else
    # otherwise just make the directory
    if [ -h log ]
    then
        # remove any old-style symlink first
        rm -f log
    fi
    mkdir -p log
fi

cd log
touch development.log fastcgi.crash.log production.log test.log
cd ..

# Force appropriate environment in production
if [ "$OPTION_STAGING_SITE" = "0" ]
then
    cat <<-END

    *****************************************************************
    WARNING: About to make config/rails_env.rb which, via special
    code in config/boot.rb, forces the Rails environment to be
    "production". If this is a development system, please edit your
    config/general.yml file and set the STAGING_SITE option to 1,
    and also delete the generated config/rails_env.rb file.
    Alternatively, you can override config/rails_env.rb at any time
    with an environment variable.
    *****************************************************************

END
    echo "ENV['RAILS_ENV'] ||= 'production'" > config/rails_env.rb
fi

bundle_install_options=""
if [ "$OPTION_STAGING_SITE" = "0" ]
then
    bundle_install_options="--without development:test --deployment"
fi
if [ "$OPTION_STAGING_SITE" = "1" ]
then
    bundle_install_options="--path vendor/bundle"
fi
if [ "$TRAVIS" = "true" ]
then
    bundle_install_options="--without development develop --deployment"
fi
bundle install $bundle_install_options

bundle exec rake submodules:check

bundle exec rake themes:install

if [ "$OPTION_STAGING_SITE" = "0" ]
then
    bundle exec rake assets:precompile
fi