Class: Rubu::Trail

Inherits:
Move
  • Object
show all
Includes:
MoveStyles
Defined in:
lib/rubu.rb

Overview

Trail with name. Trail is a collection of Steps and/or Trails.

Direct Known Subclasses

Fork, Walk

Constant Summary collapse

@@trails =

Trail hash.

{}

Instance Attribute Summary collapse

Attributes inherited from Move

#errmsg, #output, #status, #subs

Class Method Summary collapse

Instance Method Summary collapse

Methods included from MoveStyles

#parallel_run, #serial_run

Methods inherited from Move

#display, #error, #host, #host_in, #host_out, #use, #warn

Constructor Details

#initialize(name = nil, &blk) ⇒ Trail

Create Trail object. Named Trails are registered and can be referenced later.



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# File 'lib/rubu.rb', line 743

def initialize( name = nil, &blk )
    super()
    @name = name
    host_in
    instance_eval &blk
    host_out
    if @name
        @@trails[ @name ] = self
    end
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name



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# File 'lib/rubu.rb', line 739

def name
  @name
end

Class Method Details

.[](name) ⇒ Object

Reference Trail by name.



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# File 'lib/rubu.rb', line 729

def self.[]( name )
    @@trails[ name ]
end

.form(name = nil, &blk) ⇒ Object

Replacement (alias) for new method.



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# File 'lib/rubu.rb', line 723

def self.form( name = nil, &blk )
    self.new( name, &blk )
end

.list ⇒ Object

Return list of trails.



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# File 'lib/rubu.rb', line 734

def self.list
    @@trails.keys
end

.load_setup(setup_file) ⇒ Object

Load a setup file.



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# File 'lib/rubu.rb', line 767

def Trail.load_setup( setup_file )

    if File.exist? setup_file

        conf = YAML.load_file( setup_file )

        conf.each do |k,v|

            scope = nil

            case k
            when :var; scope = Var
            when :order; scope = Order
            when :info; scope = Info
            end

            v.each do |k2,v2|
                scope[ k2 ] = v2
            end
        end
    end
end

.run(trails = 'default') ⇒ Object

Run selected trail(s).

Parameters:

  • trails (defaults to: 'default') —

    List of Trails to run.



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# File 'lib/rubu.rb', line 824

def Trail.run( trails = 'default' )

    unless trails.kind_of? Array
        trails = [ trails ]
    end

    trails.each do |name|

        begin

            ret = Trail[ name ].run
            if ret.status == :error
                STDERR.puts "Rubu FAILURE..."
                exit false
            end

        rescue

            STDERR.puts "Broken trail: \"#{name}\"..."
            exit false

        end

    end

    State.save

    exit true
end

.setup(spec) ⇒ Object

Apply configuration options and command parameters, if any, to Rubu.

Parameters:

  • spec —

    Hash of options for setup.



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# File 'lib/rubu.rb', line 795

def Trail.setup( spec )

    Trail.load_setup( "#{ENV['HOME']}/.rubu.yml" )
    Trail.load_setup( ENV['RUBU_CONF'] ) if ENV['RUBU_CONF']
    Trail.load_setup( ".rubu.yml" )

    State.load

    # Apply options from Como.
    if spec[ :como ]
        como = spec[ :como ]
        if Opt[ como ].given
            Opt[ como ].value.each do |conf|
                name, value = conf.split( '=' )
                value = case value
                        when 'true'; true
                        when 'false'; false
                        else value
                        end
                Var[ name.to_sym ] = value
            end
        end
    end

end

Instance Method Details

#pick(trail) ⇒ Object

Take trail into use.



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# File 'lib/rubu.rb', line 756

def pick( trail )
    Trail[ trail ].use
end

#run ⇒ Object

Default run style for Trail.



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# File 'lib/rubu.rb', line 762

def run
    serial_run
end