Class: Gem::Commands::LocateCommand

Inherits:
QueryCommand
  • Object
show all
Defined in:
lib/commands/locate.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LocateCommand

Returns a new instance of LocateCommand.



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# File 'lib/commands/locate.rb', line 2

def initialize
  super 'locate', 'Find all gems whose name, summary, or description match STRING'
  
   %w(-p -u).each{|com| remove_option com } 
end

Instance Method Details

#arguments ⇒ Object

:nodoc:



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# File 'lib/commands/locate.rb', line 8

def arguments # :nodoc:
  "STRING        fragment of gem name,summary, or description to search for"
end

#defaults_str ⇒ Object

:nodoc:



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# File 'lib/commands/locate.rb', line 12

def defaults_str # :nodoc:
  "--local"
end

#execute ⇒ Object 



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# File 'lib/commands/locate.rb', line 20

def execute
  string = get_one_optional_argument
  options[:name] = /#{string}/i    
  exit_code = 0

  name = options[:name]
  prerelease = options[:prerelease]

  if options[:installed] then
    if name.source.empty? then
      alert_error "You must specify a gem name"
      exit_code |= 4
    elsif installed? name, options[:version] then
      say "true"
    else
      say "false"
      exit_code |= 1
    end

    raise Gem::SystemExitException, exit_code
  end

  dep = Gem::Dependency.new name, Gem::Requirement.default

  if local? then
    if prerelease and not both? then
      alert_warning "prereleases are always shown locally"
    end

    if ui.outs.tty? or both? then
      say
      say "*** LOCAL GEMS ***"
      say
    end

    specs = Gem.source_index.locate dep

    spec_tuples = specs.map do |spec|
      [[spec.name, spec.version, spec.original_platform, spec], :local]
    end

    output_query_results spec_tuples
    options[:local] = options[:domain] = nil
  end

  if remote? then
    super
  end
end

#usage ⇒ Object

:nodoc:



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# File 'lib/commands/locate.rb', line 16

def usage # :nodoc:
  "#{program_name} [STRING]"
end