Rakefile in git-multi-1.0.3 vs Rakefile in git-multi-1.0.4

@@ -23,6 +23,27 @@
 
 # rubocop:disable Style/HashSyntax
 
 task :default => :test
 
+task :documentation => 'man/git-multi.txt'
+
+require 'git/multi'
+
+def query_args
+
+  client = Git::Hub.send(:client) # Octokit GitHub API client
+  repo = client.repo('git/git')   # random GitHub repository
+
+  # instead of maintaining a list of valid query args in the help-
+  # file, we determine it at runtime... less is more, and all that
+  repo.fields.sort.each_slice(3).map { |foo, bar, qux|
+    format('%-20s %-20s %-20s', foo, bar, qux).rstrip
+  }.join("\n    ")
+end
+
+file 'man/git-multi.txt' => 'man/git-multi.erb' do |task|
+  require 'erb'
+  File.write(task.name, ERB.new(File.read(task.source)).result)
+end
+
 # rubocop:enable Style/HashSyntax