#! /bin/sh
# postinst script for diaspora-installer
# copied from postinst script for hplip
# $Id: hplip.postinst,v 1.1 2005/10/15 21:39:04 hmh Exp $
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
#
# quoting from the policy:
#     Any necessary prompting should almost always be confined to the
#     post-installation script, and should be protected with a conditional
#     so that unnecessary prompting doesn't happen if a package's
#     installation fails and the `postinst' is called with `abort-upgrade',
#     `abort-remove' or `abort-deconfigure'.


. /usr/share/debconf/confmodule
. /usr/share/dbconfig-common/dpkg/postinst.pgsql

dbc_dbname="diaspora_production"
dbc_dbuser="diaspora"

dbc_go diaspora-installer $@

case "$1" in
    configure)
	export diaspora_version=0.4.1.2
	export diaspora_user=diaspora
	export diaspora_conf=/etc/diaspora.conf
	export diaspora_home=/usr/share/diaspora
	export diaspora_cache=/var/cache/diaspora-installer
	export diaspora_scripts=/usr/lib/diaspora-installer/scripts
	export diaspora_nginx_log=/var/log/diaspora

	${diaspora_scripts}/adduser.sh
	${diaspora_scripts}/grantpriv.sh
	mkdir -p ${diaspora_nginx_log}
	chown -R ${diaspora_user}: ${diaspora_home}
	cd ${diaspora_home}
	echo "Download diaspora tarball from github.com..."
	mkdir -p ${diaspora_cache}
	if ! test -f ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz
		then 
			wget -O ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz https://github.com/diaspora/diaspora/archive/v${diaspora_version}.tar.gz
	fi
	echo "Already downloaded..."
	echo "Extracting files..."
	tar -C ${diaspora_cache} -zxvf ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz >/dev/null
	echo "Copying files to ${diaspora_home}..."
	sudo -u ${diaspora_user} cp -r ${diaspora_cache}/diaspora-${diaspora_version}/* ${diaspora_home}
	echo "Copying source tarball to ${diaspora_home}/public..."
	sudo -u ${diaspora_user} cp ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz ${diaspora_home}/public/source.tar.gz
	echo "Installing gems with rubygems ..."
	echo "Using ${diaspora_conf}..."
	if ! grep RAILS_ENV ${diaspora_conf}
		then echo export RAILS_ENV=production >> ${diaspora_conf}
	fi

	if ! grep DB ${diaspora_conf} 
		then echo export DB=postgres >> ${diaspora_conf}
	fi
	
	# source diaspora variables	
	. ${diaspora_conf}
	echo RAILS_ENV=$RAILS_ENV DB=$DB ENVIRONMENT_URL=$ENVIRONMENT_URL
	echo "Verifying we have all required libraries..."
	sudo -u diaspora -E bundle install --path vendor/bundle
	echo "Initializing database..."
	sudo -u diaspora -E bundle exec rake db:create db:schema:load
	echo "Precompiling assets..."
	sudo -u diaspora -E bundle exec rake assets:precompile
	echo "Setting up secret_token..."
	if ! grep config.secret_token ${diaspora_home}/config/initializers/secret_token.rb
		then 
		echo Diaspora::Application.config.secret_token = \'$(sudo -u diaspora -E bundle exec rake secret)\' >> ${diaspora_home}/config/initializers/secret_token.rb
	fi
	echo "Copy $SERVERNAME-bundle.pem and $SERVERNAME.key to /etc/diaspora/ssl"
	echo "And reload nginx, run # /etc/init.d  nginx reload"
	echo "visit your pod at $ENVIRONMENT_URL"
   ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

db_stop

#DEBHELPER#

exit 0
