FM / commands

/home/wespack/ruby/lib/rubygems/commands/

/home/wespack/ruby/lib/rubygems/commands

Name	Size	Mode	Actions
build_command.rb	1134	0644	edit dl rm
cert_command.rb	2847	0644	edit dl rm
check_command.rb	1954	0644	edit dl rm
cleanup_command.rb	2279	0644	edit dl rm
contents_command.rb	1757	0644	edit dl rm
dependency_command.rb	3708	0644	edit dl rm
environment_command.rb	2312	0644	edit dl rm
fetch_command.rb	1374	0644	edit dl rm
generate_index_command.rb	1824	0644	edit dl rm
help_command.rb	4673	0644	edit dl rm
install_command.rb	4002	0644	edit dl rm
list_command.rb	667	0644	edit dl rm
lock_command.rb	2550	0644	edit dl rm
mirror_command.rb	3116	0644	edit dl rm
outdated_command.rb	738	0644	edit dl rm
pristine_command.rb	3880	0644	edit dl rm
query_command.rb	4111	0644	edit dl rm
rdoc_command.rb	2034	0644	edit dl rm
search_command.rb	706	0644	edit dl rm
server_command.rb	1226	0644	edit dl rm
sources_command.rb	3335	0644	edit dl rm
specification_command.rb	1719	0644	edit dl rm
uninstall_command.rb	2124	0644	edit dl rm
unpack_command.rb	2615	0644	edit dl rm
update_command.rb	4130	0644	edit dl rm
which_command.rb	1868	0644	edit dl rm

Edit: /home/wespack/ruby/lib/rubygems/commands/unpack_command.rb (2615B)

require 'fileutils'
require 'rubygems/command'
require 'rubygems/installer'
require 'rubygems/version_option'

class Gem::Commands::UnpackCommand < Gem::Command

include Gem::VersionOption

def initialize
    super 'unpack', 'Unpack an installed gem to the current directory',
          :version => Gem::Requirement.default,
          :target  => Dir.pwd

add_option('--target', 'target directory for unpacking') do |value, options|
      options[:target] = value
    end

add_version_option
  end

def arguments # :nodoc:
    "GEMNAME       name of gem to unpack"
  end

def defaults_str # :nodoc:
    "--version '#{Gem::Requirement.default}'"
  end

def usage # :nodoc:
    "#{program_name} GEMNAME"
  end

#--
  # TODO: allow, e.g., 'gem unpack rake-0.3.1'.  Find a general solution for
  # this, so that it works for uninstall as well.  (And check other commands
  # at the same time.)
  def execute
    gemname = get_one_gem_name
    path = get_path(gemname, options[:version])

if path then
      basename = File.basename(path).sub(/\.gem$/, '')
      target_dir = File.expand_path File.join(options[:target], basename)
      FileUtils.mkdir_p target_dir
      Gem::Installer.new(path).unpack target_dir
      say "Unpacked gem: '#{target_dir}'"
    else
      alert_error "Gem '#{gemname}' not installed."
    end
  end

# Return the full path to the cached gem file matching the given
  # name and version requirement.  Returns 'nil' if no match.
  #
  # Example:
  #
  #   get_path('rake', '> 0.4')   # -> '/usr/lib/ruby/gems/1.8/cache/rake-0.4.2.gem'
  #   get_path('rake', '< 0.1')   # -> nil
  #   get_path('rak')             # -> nil (exact name required)
  #--
  # TODO: This should be refactored so that it's a general service. I don't
  # think any of our existing classes are the right place though.  Just maybe
  # 'Cache'?
  #
  # TODO: It just uses Gem.dir for now.  What's an easy way to get the list of
  # source directories?
  def get_path(gemname, version_req)
    return gemname if gemname =~ /\.gem$/i

specs = Gem::source_index.search(/\A#{gemname}\z/, version_req)

selected = specs.sort_by { |s| s.version }.last

return nil if selected.nil?

# We expect to find (basename).gem in the 'cache' directory.
    # Furthermore, the name match must be exact (ignoring case).
    if gemname =~ /^#{selected.name}$/i
      filename = selected.full_name + '.gem'
      path = nil

Gem.path.find do |gem_dir|
        path = File.join gem_dir, 'cache', filename
        File.exist? path
      end

path
    else
      nil
    end
  end

end

require 'fileutils' require 'rubygems/command' require 'rubygems/installer' require 'rubygems/version_option' class Gem::Commands::UnpackCommand < Gem::Command include Gem::VersionOption def initialize super 'unpack', 'Unpack an installed gem to the current directory', :version => Gem::Requirement.default, :target => Dir.pwd add_option('--target', 'target directory for unpacking') do |value, options| options[:target] = value end add_version_option end def arguments # :nodoc: "GEMNAME name of gem to unpack" end def defaults_str # :nodoc: "--version '#{Gem::Requirement.default}'" end def usage # :nodoc: "#{program_name} GEMNAME" end #-- # TODO: allow, e.g., 'gem unpack rake-0.3.1'. Find a general solution for # this, so that it works for uninstall as well. (And check other commands # at the same time.) def execute gemname = get_one_gem_name path = get_path(gemname, options[:version]) if path then basename = File.basename(path).sub(/\.gem$/, '') target_dir = File.expand_path File.join(options[:target], basename) FileUtils.mkdir_p target_dir Gem::Installer.new(path).unpack target_dir say "Unpacked gem: '#{target_dir}'" else alert_error "Gem '#{gemname}' not installed." end end # Return the full path to the cached gem file matching the given # name and version requirement. Returns 'nil' if no match. # # Example: # # get_path('rake', '> 0.4') # -> '/usr/lib/ruby/gems/1.8/cache/rake-0.4.2.gem' # get_path('rake', '< 0.1') # -> nil # get_path('rak') # -> nil (exact name required) #-- # TODO: This should be refactored so that it's a general service. I don't # think any of our existing classes are the right place though. Just maybe # 'Cache'? # # TODO: It just uses Gem.dir for now. What's an easy way to get the list of # source directories? def get_path(gemname, version_req) return gemname if gemname =~ /\.gem$/i specs = Gem::source_index.search(/\A#{gemname}\z/, version_req) selected = specs.sort_by { |s| s.version }.last return nil if selected.nil? # We expect to find (basename).gem in the 'cache' directory. # Furthermore, the name match must be exact (ignoring case). if gemname =~ /^#{selected.name}$/i filename = selected.full_name + '.gem' path = nil Gem.path.find do |gem_dir| path = File.join gem_dir, 'cache', filename File.exist? path end path else nil end end end