Module: OpenGem::CommonOptions

Included in:
Gem::Commands::OpenCommand, Gem::Commands::ReadCommand
Defined in:
lib/open_gem/common_options.rb

Instance Method Summary collapse

Instance Method Details

#add_command_option(description = nil) ⇒ Object 



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# File 'lib/open_gem/common_options.rb', line 3

def add_command_option(description=nil)
  add_option('-c', '--command COMMAND',
             description || 'Execute command at path of the rubygem') do |value, options|
    options[:command] = value
  end
end

#add_exact_match_option ⇒ Object 



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# File 'lib/open_gem/common_options.rb', line 17

def add_exact_match_option
  add_option('-x', '--exact',
             'Only list exact matches') do |value, options|
    options[:exact] = true
  end
end

#add_latest_version_option ⇒ Object 



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# File 'lib/open_gem/common_options.rb', line 10

def add_latest_version_option
  add_option('-l', '--latest',
             'If there are multiple versions, open the latest') do |value, options|
    options[:latest] = true
  end
end

#get_spec(name) ⇒ Object 



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# File 'lib/open_gem/common_options.rb', line 24

def get_spec(name)
  version = options[:version] || Gem::Version.new(">= 0")
  exact   = options[:exact]
  
  specs = Gem::Specification.find_all do |s|
    if name.is_a? String
      name_match = s.name == name
    else
      name_match = s.name[name]
    end
    
    name_match && version.satisfied_by?(s.version)
  end

  if block_given?
    specs = specs.select{|spec| yield spec}
  end
  
  specs = specs.sort
  
  if specs.length == 0
    # If we have not tried to do a pattern match yet, fall back on it.
    if(!exact && !name.is_a?(Regexp))
      pattern = /#{Regexp.escape name}/
      get_spec(pattern)
    else
      say "#{name.inspect} is not available"
      return nil
    end

  elsif specs.length == 1 || options[:latest]
    return specs.last

  else
    choices = specs.map{|s|"#{s.name} #{s.version}"}
    c,i = choose_from_list "Open which gem?", choices
    return specs[i] if i

  end
end