class Gem::Commands::UnpackCommand

def description
  <<-EOF
e unpack command allows you to examine the contents of a gem or modify
em to help diagnose a bug.
u can add the contents of the unpacked gem to the load path using the
BYLIB environment variable or -I:
$ gem unpack my_gem
Unpacked gem: '.../my_gem-1.0'
[edit my_gem-1.0/lib/my_gem.rb]
$ ruby -Imy_gem-1.0/lib -S other_program
u can repackage an unpacked gem using the build command.  See the build
mmand help for an example.
  EOF
end