Class: PostRunner::Main

Inherits:
Object
  • Object
show all
Includes:
DirUtils
Defined in:
lib/postrunner/Main.rb

Instance Method Summary collapse

Methods included from DirUtils

#create_directory

Constructor Details

#initialize ⇒ Main

Returns a new instance of Main.



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# File 'lib/postrunner/Main.rb', line 34

def initialize
  @filter = nil
  @name = nil
  @force = false
  @attribute = nil
  @value = nil
  @db_dir = File.join(ENV['HOME'], '.postrunner')
end

Instance Method Details

#main(args) ⇒ Object 



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# File 'lib/postrunner/Main.rb', line 43

def main(args)
  return 0 if (args = parse_options(args)).nil?

  unless $DEBUG
    Kernel.trap('INT') do
      begin
        Log.fatal('Aborting on user request!')
      rescue RuntimeError
        exit 1
      end
    end
  end

  begin
    create_directory(@db_dir, 'PostRunner data')
    ensure_flat_file_db
    @db = PEROBS::Store.new(File.join(@db_dir, 'database'),
                            { :engine => PEROBS::FlatFileDB,
                              :progressmeter =>
                              PEROBS::ConsoleProgressMeter.new })
    # Create a hash to store configuration data in the store unless it
    # exists already.
    cfg = (@db['config'] ||= @db.new(PEROBS::Hash))
    cfg['unit_system'] ||= 'metric'
    cfg['version'] ||= VERSION
    # First day of the week. 0 means Sunday, 1 Monday and so on.
    cfg['week_start_day'] ||= 1
    # We always override the data_dir as the user might have moved the data
    # directory. The only reason we store it in the DB is to have it
    # available throught the application.
    cfg['data_dir'] = @db_dir
    # Always update html_dir setting so that the DB directory can be moved
    # around by the user.
    cfg['html_dir'] = File.join(@db_dir, 'html')

    setup_directories
    retval = execute_command(args)
    @db.exit

    return retval

  rescue Exception => e
    if e.is_a?(SystemExit) || e.is_a?(Interrupt)
      $stderr.puts e.backtrace.join("\n") if $DEBUG
    elsif e.is_a?(Fit4Ruby::Abort)
      # Programm execution error that does not warrant a backtrace to be
      # printed.
      return -1
    else
      Log.error("#{e}\n#{e.backtrace.join("\n")}\n\n" +
                "#{'*' * 79}\nYou have triggered a bug in PostRunner " +
                "#{VERSION}!")
    end
    return -1
  ensure
    @db.exit if @db
  end
end