#! /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'.


case "$1" in
    configure)
        # Source varibales
	. /etc/diaspora/diaspora-common.conf
	cd ${diaspora_home}
        if ! test -z $2
        then
            installed_diaspora_version=`echo $2|cut -d+ -f1`
            installed_diaspora_minor_version=`echo ${installed_diaspora_version} |cut -d. -f3,4`
            diaspora_minor_version=`echo ${diaspora_version} |cut -d. -f3,4`
            if test $(echo "${installed_diaspora_minor_version} < ${diaspora_minor_version}" |bc) -eq 1
            then
                echo "Running migrations..."
                echo "Some migrations may take upto 2 hours in large pods..."

                # source diaspora variables	
                . ${diaspora_conf}
                su diaspora -s /bin/sh -c 'bundle exec rake db:migrate'
            else
                echo "This version is already installed..."
            fi
        else
    	    echo "Download diaspora tarball from github.com..."
	    mkdir -p ${diaspora_cache}
	    if ! test -f ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz
	    then 
	        if test ${diaspora_release_type} = "branch"
		then
		    wget -O ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz ${github_archive_url}/release/${diaspora_version}.tar.gz
		    export diaspora_archive="diaspora-release-${diaspora_version}"
		else
		    wget -O ${diaspora_cache}/diaspora-${diaspora_version}.tar.gz ${github_archive_url}/v${diaspora_version}.tar.gz
		    export diaspora_archive="diaspora-${diaspora_version}"
		fi
            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}..."
	    # Use system binaries from /usr/bin
            echo "diaspora archive: ${diaspora_archive}"
	    rm -rf ${diaspora_cache}/${diaspora_archive}/bin
	    cp -r ${diaspora_cache}/${diaspora_archive}/* ${diaspora_home}
	    chown -R ${diaspora_user}: ${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 "Setting up environment varibales..."
	    . /usr/lib/diaspora-common/scripts/set-env-diaspora.sh
	    echo RAILS_ENV=$RAILS_ENV DB=$DB ENVIRONMENT_URL=$ENVIRONMENT_URL

	    echo "Installing gems with rubygems ..."
	    sudo -u diaspora -E -H bundle install --path vendor/bundle

#	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 "Running final rake tasks..."
	    . /usr/lib/diaspora-common/scripts/rake-tasks.sh
        fi
        ;;

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

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


#DEBHELPER#

exit 0
