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ðŸ“„ build_command.rb(859 B)
ðŸ“„ cert_command.rb(6.41 KB)
ðŸ“„ check_command.rb(2.01 KB)
ðŸ“„ cleanup_command.rb(3.85 KB)
ðŸ“„ contents_command.rb(3.12 KB)
ðŸ“„ dependency_command.rb(3.89 KB)
ðŸ“„ environment_command.rb(4.16 KB)
ðŸ“„ fetch_command.rb(1.49 KB)
ðŸ“„ generate_index_command.rb(2.52 KB)
ðŸ“„ help_command.rb(4.56 KB)
ðŸ“„ install_command.rb(5.45 KB)
ðŸ“„ list_command.rb(696 B)
ðŸ“„ lock_command.rb(2.67 KB)
ðŸ“„ mirror_command.rb(395 B)
ðŸ“„ outdated_command.rb(866 B)
ðŸ“„ owner_command.rb(1.84 KB)
ðŸ“„ pristine_command.rb(3.66 KB)
ðŸ“„ push_command.rb(2.02 KB)
ðŸ“„ query_command.rb(8.03 KB)
ðŸ“„ rdoc_command.rb(2.31 KB)
ðŸ“„ search_command.rb(616 B)
ðŸ“„ server_command.rb(2.35 KB)
ðŸ“„ setup_command.rb(12.94 KB)
ðŸ“„ sources_command.rb(3.62 KB)
ðŸ“„ specification_command.rb(2.93 KB)
ðŸ“„ stale_command.rb(704 B)
ðŸ“„ uninstall_command.rb(3.07 KB)
ðŸ“„ unpack_command.rb(4.06 KB)
ðŸ“„ update_command.rb(5.8 KB)
ðŸ“„ which_command.rb(1.87 KB)
ðŸ“„ yank_command.rb(2.4 KB)

Editing: which_command.rb

require 'rubygems/command'

class Gem::Commands::WhichCommand < Gem::Command
  def initialize
    super 'which', 'Find the location of a library file you can require',
          :search_gems_first => false, :show_all => false

add_option '-a', '--[no-]all', 'show all matching files' do |show_all, options|
      options[:show_all] = show_all
    end

add_option '-g', '--[no-]gems-first',
               'search gems before non-gems' do |gems_first, options|
      options[:search_gems_first] = gems_first
    end
  end

def arguments # :nodoc:
    "FILE          name of file to find"
  end

def defaults_str # :nodoc:
    "--no-gems-first --no-all"
  end

def execute
    found = false

options[:args].each do |arg|
      arg = arg.sub(/#{Regexp.union(*Gem.suffixes)}$/, '')
      dirs = $LOAD_PATH

spec = Gem::Specification.find_by_path arg

if spec then
        if options[:search_gems_first] then
          dirs = gem_paths(spec) + $LOAD_PATH
        else
          dirs = $LOAD_PATH + gem_paths(spec)
        end
      end

# TODO: this is totally redundant and stupid
      paths = find_paths arg, dirs

if paths.empty? then
        alert_error "Can't find ruby library file or shared library #{arg}"
      else
        say paths
        found = true
      end
    end

terminate_interaction 1 unless found
  end

def find_paths(package_name, dirs)
    result = []

dirs.each do |dir|
      Gem.suffixes.each do |ext|
        full_path = File.join dir, "#{package_name}#{ext}"
        if File.exist? full_path and not File.directory? full_path then
          result << full_path
          return result unless options[:show_all]
        end
      end
    end

result
  end

def gem_paths(spec)
    spec.require_paths.collect { |d| File.join spec.full_gem_path, d }
  end

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

end

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Editing: which_command.rb

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