install_location(filename, destination_dir)
public
Returns the full path for installing filename.
If filename is not inside destination_dir an exception is
raised.
# File lib/rubygems/package.rb, line 398
def install_location filename, destination_dir # :nodoc:
raise Gem::Package::PathError.new(filename, destination_dir) if
filename.start_with? '/'
destination_dir = File.realpath destination_dir if
File.respond_to? :realpath
destination_dir = File.expand_path destination_dir
destination = File.join destination_dir, filename
destination = File.expand_path destination
raise Gem::Package::PathError.new(destination, destination_dir) unless
destination.start_with? destination_dir
destination.untaint
destination
end
