#!/bin/bash

export RAILS_ENV=$1
set -e

cd "$(dirname "$0")"/..

if [ -x /usr/bin/xapian-compact ];
  then
    XAPIAN_DB_DIR=$( pwd )/lib/acts_as_xapian/xapiandbs

    if [ -e "$XAPIAN_DB_DIR/$RAILS_ENV.new" ];
      then
        echo >&2 "Didn't compact Xapian database because there was an existing database at $XAPIAN_DB_DIR/$RAILS_ENV.new"
        exit 1
      else
        OWNER=$(stat -c %U "$XAPIAN_DB_DIR/$RAILS_ENV")
        export XAPIAN_DB_DIR RAILS_ENV
        su "$OWNER" <<SU
commonlib/bin/output-on-error xapian-compact "\$XAPIAN_DB_DIR/\$RAILS_ENV" "\$XAPIAN_DB_DIR/\$RAILS_ENV.new"
SU
        mv "$XAPIAN_DB_DIR/$RAILS_ENV" "$XAPIAN_DB_DIR/$RAILS_ENV.tmp"
        mv "$XAPIAN_DB_DIR/$RAILS_ENV.new" "$XAPIAN_DB_DIR/$RAILS_ENV"
        rm -rf "$XAPIAN_DB_DIR/$RAILS_ENV.tmp"
        commonlib/bin/output-on-error /etc/init.d/apache2 restart
    fi
  else
    echo >&2 "Could not find xapian-compact script; have you installed xapian-tools?"
    exit 1
fi