File: postinst

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netmrg 0.20-2.1
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#! /bin/sh
# postinst script for netmrg
#
# 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
#

. /usr/share/debconf/confmodule

if [ "$DPKG_DEBUG" = "developer" ]; then
	set -x
fi

if ! id netmrg > /dev/null 2>&1; then
	adduser --system --ingroup www-data --home /var/lib/netmrg --shell /bin/bash --gecos netmrg netmrg
else
	# There has been previous inoffical version where the shell had been
	# set to /bin/false. This causes problems when running the crontab entry.
	chsh -s /bin/bash netmrg
fi

get_db_params () {
  db_get "netmrg/db/host"
  dbserver="$RET"
  db_get "netmrg/db/name"
  dbname="$RET"
  db_get "netmrg/db/admin/name"
  dbadmin="$RET"
  db_get "netmrg/db/admin/password"
  dbadmpass="$RET"
  db_get "netmrg/db/user/name"
  dbuser="$RET"
  db_get "netmrg/db/user/password"
  dbpass="$RET"
  db_get "netmrg/web/host"
  webhost="$RET"
  db_get "netmrg/company/name"
  companyname="$RET"
  db_get "netmrg/company/link"
  companylink="$RET"
}

case "$1" in
    configure)

			chown -R netmrg:www-data /var/lib/netmrg
			chown -R netmrg:www-data /var/log/netmrg
			if [ ! -d "/var/lib/netmrg/sessions" ] ; then
				mkdir -p /var/lib/netmrg/sessions
			fi
			chown -R www-data:www-data /var/lib/netmrg/sessions
			chmod 700 /var/lib/netmrg/sessions

			config="/etc/netmrg/netmrg.xml"
			if [ -s $config ] ; then
				template=$config
			else
				template="/usr/share/netmrg/netmrg.xml.sample"
			fi

			# Get the web server type.
			db_get "netmrg/webserver"
			webserver="$RET"
			case $webserver in
				Apache2)		webservers="apache2" ;;
				Apache)		webservers="apache" ;;
				Apache-SSL)	webservers="apache-ssl" ;;
				All)		webservers="apache2 apache apache-ssl" ;;
				*)		webservers="" ;;
			esac
			. /usr/share/wwwconfig-common/php.get
			. /usr/share/wwwconfig-common/apache-run.get

			# Set up web server.
			for server in $webservers ; do
				# prefer conf.d over monolithic form
				if [ -d "/etc/${server}/conf.d" ] ; then
					rm -f "/etc/${server}/conf.d/netmrg.conf"
					if [ ! -e "/etc/${server}/conf.d/netmrg.conf" ] ; then
						ln -s /etc/netmrg/netmrg.conf "/etc/${server}/conf.d/netmrg.conf"
					fi
					restart="$server $restart"
				else
					includefile="/etc/netmrg/netmrg.conf"
					. /usr/share/wwwconfig-common/apache-include_all.sh
					test "$status" = "uncomment" -o "$status" = "include" && restart="$server $restart"
				fi
				
				for index in index.php; do
					. /usr/share/wwwconfig-common/apache-index_all.sh
					test "$status" = "added" && restart="$server $restart"
				done
			done

			# Setup the database.
			get_db_params
			. /usr/share/wwwconfig-common/mysql-createdb.sh
			dbcreatestatus=$status
			if [ "$status" = "create" ]; then
				if eval $mysqlcmd -f mysql -e '"select User from user;"' | grep $dbuser >/dev/null 2>&1 ; then
					userexists=true
				else
					userexists=false
				fi
				. /usr/share/wwwconfig-common/mysql-createuser.sh
				if [ "$status" != "error" ]; then
					# Check for one table
					if ! eval $mysqlcmd $dbname -e '"show tables;"' | grep graphs >/dev/null 2>&1 ; then
						if ! eval $mysqlcmd $dbname < /usr/share/netmrg/db/netmrg.mysql > /dev/null 2>&1 ; then
							status=error
						else
							status=exec
						fi
						if [ "$status" != "exec" ]; then
							db_fset netmrg/db/tablegen_error seen false
							db_input high netmrg/db/tablegen_error || true
							db_go
							. /usr/share/wwwconfig-common/mysql-dropdb.sh
							if [ "$userexists" != "true" ]; then
								. /usr/share/wwwconfig-common/mysql-dropuser.sh
							fi
						fi
					fi

				else
					db_reset "netmrg/db/admin/password"
					db_fset netmrg/db/usergen_error seen false
					db_input high netmrg/db/usergen_error || true
					db_go
					# Only delete the database when it was created in this script
					if [ $dbcreatestatus = "create" ] ; then
						. /usr/share/wwwconfig-common/mysql-dropdb.sh
					fi
				fi

			elif [ "$status" = "nothing" ]; then
				# run createuser in case the password has been changed during
				# a reconfiguration of the package
				. /usr/share/wwwconfig-common/mysql-createuser.sh
				oldvers=$(eval "$mysqlcmd $dbname -e 'select module, version from versioninfo'" | grep Main | awk '{print $2}')
				if [ -f /usr/share/doc/netmrg/update-from-$oldvers.sql ] ; then
					echo "Updating from version $oldvers."
					sqlfile=/usr/share/doc/netmrg/update-from-$oldvers.sql
					. /usr/share/wwwconfig-common/mysql-exec.sh
					if [ $status = "execerror" ] ; then
						echo "Updating from version $oldvers failed!"
					fi
				else
					echo "No update for database needed."
				fi
			else
				db_reset "netmrg/db/admin/password"
				db_fset netmrg/db/generation_error seen false
				db_input high netmrg/db/generation_error || true
				db_go
			fi

			# Everything fine so far. Now create an new config file
			TEMPFILE=`tempfile -s .netmrg_install.tmp` && chown root:www-data $TEMPFILE && chmod 640 $TEMPFILE
			sed "s:^\(.*\)<host>\(.*\)</host>:\1<host>$dbserver</host>:g" $template | \
			sed "s:^\(.*\)<user>\(.*\)</user>:\1<user>$dbuser</user>:g" | \
			sed "s|^\(.*\)<password>\(.*\)</password>|\1<password>$dbpass</password>|g" | \
			sed "s:^\(.*\)<db>\(.*\)</db>:\1<db>$dbname</db>:g" | \
			sed "s|^\(.*\)<webhost>\(.*\)</webhost>|\1<webhost>$webhost</webhost>|g" | \
			sed "s|^\(.*\)<webroot>\(.*\)</webroot>|\1<webroot>/netmrg</webroot>|g" | \
			sed "s|^\(.*\)<company>\(.*\)</company>|\1<company>$companyname</company>|g" | \
			sed "s|^\(.*\)<companylink>\(.*\)</companylink>|\1<companylink>$companylink</companylink>|g" > \
			$TEMPFILE && mv $TEMPFILE $config

			# Restart the servers that need to be restarted
			servers="apache-ssl apache apache2 mysql"
			. /usr/share/wwwconfig-common/restart.sh

    ;;

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

    ;;

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

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0