restore

in lib/backup/database.rb [85:106]

• 18 lines of code
• 4 McCabe index (conditional complexity)

    def restore
      decompress_rd, decompress_wr = IO.pipe
      decompress_pid = spawn(*%W(gzip -cd), out: decompress_wr, in: db_file_name)
      decompress_wr.close

      restore_pid = case config["adapter"]
      when /^mysql/ then
        $progress.print "Restoring MySQL database #{config['database']} ... "
        spawn('mysql', *mysql_args, config['database'], in: decompress_rd)
      when "postgresql" then
        $progress.print "Restoring PostgreSQL database #{config['database']} ... "
        pg_env
        spawn('psql', config['database'], in: decompress_rd)
      end
      decompress_rd.close

      success = [decompress_pid, restore_pid].all? { |pid| Process.waitpid(pid); $?.success? }

      report_success(success)
      abort 'Restore failed' unless success
    end