class Gem::Commands::PristineCommand

def description # :nodoc:
  <<-EOF
e pristine command compares an installed gem with the contents of its
ched .gem file and restores any files that don't match the cached .gem's
py.
 you have made modifications to an installed gem, the pristine command
ll revert them.  All extensions are rebuilt and all bin stubs for the gem
e regenerated after checking for modifications.
 the cached gem cannot be found it will be downloaded.
 --no-extensions is provided pristine will not attempt to restore a gem
th an extension.
 --extensions is given (but not --all or gem names) only gems with
tensions will be restored.
  EOF
end