#!/bin/bash

set -euo pipefail

export PGHOST=$(sed -n 's,^.wgDBserver.*"\([^"]*\)".*,\1,p' /etc/mediawiki/LocalSettings.php)
export PGUDATABASE=$(sed -n 's,^.wgDBname.*"\([^"]*\)".*,\1,p' /etc/mediawiki/LocalSettings.php)
export PGUSER=$(sed -n 's,^.wgDBuser.*"\([^"]*\)".*,\1,p' /etc/mediawiki/LocalSettings.php)
export PGPASSWORD=$(sed -n 's,^.wgDBpassword.*"\([^"]*\)".*,\1,p' /etc/mediawiki/LocalSettings.php)
export PGPORT=$(sed -n 's,^.wgDBport.*"\([^"]*\)".*,\1,p' /etc/mediawiki/LocalSettings.php)

rm -rf /opt/mediawiki/backup/db
exec pg_dump -b --format directory -f /opt/mediawiki/backup/db