bioruby.gemspec.erb in bio-1.4.2 vs bioruby.gemspec.erb in bio-1.4.3

@@ -49,11 +49,11 @@
     <% ###### Below is executed in ERB environment ######
     # Gets file list from the "git ls-files" command.
     files = (`git ls-files` rescue nil).to_s.split(/\r?\n/)
     files.delete_if { |x| x.empty? }
     # When git-ls-files isn't available, creates a list from current files.
-    if !($?.success?) or files.size <= 0 then
+    if !$? or !($?.success?) or files.size <= 0 then
       files =
         [ "README.rdoc", "README_DEV.rdoc", 
           "ChangeLog", "KNOWN_ISSUES.rdoc",
           "Rakefile", "bioruby.gemspec.erb",
           "bioruby.gemspec", "setup.rb",
@@ -83,21 +83,24 @@
           rdoc_files = [ 'README.rdoc', 'README_DEV.rdoc',
                          'RELEASE_NOTES.rdoc',
                          'doc/Changes-1.3.rdoc',
                        ]
         end
-        rdoc_files.push "ChangeLog" unless rdoc_files.include?("ChangeLog")
+        def rdoc_files.add_file(name)
+          self.push(name) unless self.include?(name)
+        end
+        rdoc_files.add_file "ChangeLog"
+        rdoc_files.add_file "LEGAL"
         rdoc_files.sort.collect { |x| x.dump }.join(",\n    ")
         ###### Above is executed in ERB environment ######
     %>
   ]
   s.rdoc_options << '--main' << 'README.rdoc'
   s.rdoc_options << '--title' << 'BioRuby API documentation'
   s.rdoc_options << '--exclude' << '\.yaml\z'
   s.rdoc_options << '--line-numbers' << '--inline-source'
 
   s.require_path = 'lib'
-  s.autorequire = 'bio'
 
   s.bindir = "bin"
   s.executables = [
     <%= ###### Below is executed in ERB environment ######
         # Files in bin/ directory are selected.