class Gem::Commands::OpenCommand

Public Class Methods

new() click to toggle source

Calls superclass method Gem::Command.new

# File lib/rubygems/commands/open_command.rb, line 10
def initialize
  super 'open', 'Open gem sources in editor'

  add_option('-e', '--editor EDITOR', String,
             "Opens gem sources in EDITOR") do |editor, options|
    options[:editor] = editor || get_env_editor
  end
  add_option('-v', '--version VERSION', String,
             "Opens specific gem version") do |version|
    options[:version]  = version
  end
end

Public Instance Methods

execute() click to toggle source

# File lib/rubygems/commands/open_command.rb, line 51
def execute
  @version = options[:version] || Gem::Requirement.default
  @editor  = options[:editor] || get_env_editor

  found = open_gem(get_one_gem_name)

  terminate_interaction 1 unless found
end

get_env_editor() click to toggle source

# File lib/rubygems/commands/open_command.rb, line 44
def get_env_editor
  ENV['GEM_EDITOR'] ||
    ENV['VISUAL'] ||
    ENV['EDITOR'] ||
    'vi'
end

open_editor(path) click to toggle source

# File lib/rubygems/commands/open_command.rb, line 67
def open_editor path
  Dir.chdir(path) do
    system(*@editor.split(/\s+/) + [path])
  end
end

open_gem(name) click to toggle source

# File lib/rubygems/commands/open_command.rb, line 60
def open_gem name
  spec = spec_for name
  return false unless spec

  open_editor(spec.full_gem_path)
end

spec_for(name) click to toggle source

# File lib/rubygems/commands/open_command.rb, line 73
def spec_for name
  spec = Gem::Specification.find_all_by_name(name, @version).first

  return spec if spec

  say "Unable to find gem '#{name}'"
end