Class: Gem::Commands::HomepageCommand

Inherits:
Gem::Command
  • Object
show all
Defined in:
lib/rubygems/commands/homepage_command.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HomepageCommand

Returns a new instance of HomepageCommand.



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# File 'lib/rubygems/commands/homepage_command.rb', line 15

def initialize
  super "homepage", description
end

Instance Method Details

#arguments ⇒ Object 



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# File 'lib/rubygems/commands/homepage_command.rb', line 7

def arguments
  "GEM    gem's name"
end

#description ⇒ Object 



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# File 'lib/rubygems/commands/homepage_command.rb', line 3

def description
  "Open the homepage for this gem"
end

#execute ⇒ Object 



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# File 'lib/rubygems/commands/homepage_command.rb', line 19

def execute
  gemname = options[:args].first
  unless gemname
    say "Usage: #{usage}"
    return terminate_interaction
  end
  dep = Gem::Dependency.new(gemname,"> 0")
  if Gem::Specification.respond_to? :find_all_by_name
    spec = Gem::Specification.find_all_by_name(gemname).first
  else
    spec = Gem.source_index.search(dep).first
  end
  if spec.nil?
  #try remote if you didn't find it locally
    fetcher = Gem::SpecFetcher.fetcher
    if fetcher.respond_to? :spec_for_dependency
      t = fetcher.spec_for_dependency(dep).first.last
    else
      t = fetcher.fetch(dep).first
    end
    spec = t.first if t
  end

  if spec
    if spec.homepage and spec.homepage != ""
      Launchy.open(spec.homepage)
    else
      say "No homepage listed in the gemspec for this gem."
      return terminate_interaction
    end
  else
    say "The #{gemname.inspect} gem couldn't be found"
    return terminate_interaction
  end
end

#usage ⇒ Object 



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# File 'lib/rubygems/commands/homepage_command.rb', line 11

def usage
  "#{program_name} GEM"
end