Module: Guard::Setuper

Included in:
Guard
Defined in:
lib/guard/setuper.rb

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  clear: false,
  notify: true,
  debug: false,
  group: [],
  plugin: [],
  watchdir: nil,
  guardfile: nil,
  no_interactions: false,
  no_bundler_warning: false,
  show_deprecations: false,
  latency: nil,
  force_polling: false,
  wait_for_delay: nil,
  listen_on: nil
}
DEFAULT_GROUPS = 
[:default]

Instance Method Summary collapse

Instance Method Details

#clear_options ⇒ Object

Clear Guard's options hash



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# File 'lib/guard/setuper.rb', line 95

def clear_options
  @options = nil
end

#evaluate_guardfile ⇒ Object

Evaluates the Guardfile content. It displays an error message if no Guard plugins are instantiated after the Guardfile evaluation.

See Also:



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# File 'lib/guard/setuper.rb', line 145

def evaluate_guardfile
  evaluator.evaluate_guardfile
  ::Guard::UI.error 'No plugins found in Guardfile, please add at least one.' if plugins.empty?
end

#evaluator ⇒ Object

Lazy initializer for Guardfile evaluator



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# File 'lib/guard/setuper.rb', line 81

def evaluator
  @evaluator ||= ::Guard::Guardfile::Evaluator.new(@opts || {})
end

#interactor ⇒ Object

Lazy initializer the interactor unless the user has specified not to.



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# File 'lib/guard/setuper.rb', line 87

def interactor
  return if options[:no_interactions] || !::Guard::Interactor.enabled

  @interactor ||= ::Guard::Interactor.new
end

#options ⇒ Object

Lazy initializer for Guard's options hash



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# File 'lib/guard/setuper.rb', line 75

def options
  @options ||= ::Guard::Options.new(@opts, DEFAULT_OPTIONS)
end

#reset_groups ⇒ Object

Initializes the groups array with the default group(s).

See Also:



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# File 'lib/guard/setuper.rb', line 103

def reset_groups
  @groups = DEFAULT_GROUPS.map { |name| Group.new(name) }
end

#reset_plugins ⇒ Object

Initializes the plugins array to an empty array.

See Also:



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# File 'lib/guard/setuper.rb', line 111

def reset_plugins
  @plugins = []
end

#reset_scope ⇒ Object

Initializes the scope hash to `{ groups: [], plugins: [] }`.

See Also:

  • Guard.setup_scope


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# File 'lib/guard/setuper.rb', line 119

def reset_scope
  @scope = { groups: [], plugins: [] }
end

#setup(opts = {}) ⇒ Guard

Initializes the Guard singleton:

  • Initialize the internal Guard state;

  • Create the interactor when necessary for user interaction;

  • Select and initialize the file change listener.

Parameters:

  • options (Hash) —

    a customizable set of options

Returns:

  • (Guard) —

    the Guard singleton



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# File 'lib/guard/setuper.rb', line 42

def setup(opts = {})
  _reset_lazy_accessors
  @running   = true
  @lock      = Mutex.new
  @opts      = opts
  @watchdirs = [Dir.pwd]
  @runner    = ::Guard::Runner.new

  if options[:watchdir]
    # Ensure we have an array
    @watchdirs = Array(options[:watchdir]).map { |dir| File.expand_path dir }
  end

  ::Guard::UI.clear(force: true)
  _setup_debug if options[:debug]
  _setup_listener
  _setup_signal_traps

  reset_groups
  reset_plugins
  reset_scope

  evaluate_guardfile

  setup_scope(groups: options[:group], plugins: options[:plugin])

  _setup_notifier

  self
end

#setup_scope(new_scope) ⇒ Object

Stores the scopes defined by the user via the `–group` / `-g` option (to run only a specific group) or the `–plugin` / `-P` option (to run only a specific plugin).

See Also:



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# File 'lib/guard/setuper.rb', line 130

def setup_scope(new_scope)
  if new_scope[:groups] && new_scope[:groups].any?
    scope[:groups]  = new_scope[:groups].map { |group| ::Guard.add_group(group) }
  end

  if new_scope[:plugins] && new_scope[:plugins].any?
    scope[:plugins] = new_scope[:plugins].map { |plugin| ::Guard.plugin(plugin) }
  end
end