Rakefile in data_miner-1.3.6 vs Rakefile in data_miner-1.3.7

@@ -21,5 +21,29 @@
     rdoc.rdoc_files.include('lib/**/*.rb')
   end
 rescue LoadError
    puts "Rdoc is not available"
 end
+
+gemspec = eval(File.read(Dir["*.gemspec"].first))
+
+desc "Validate the gemspec"
+task :gemspec do
+  gemspec.validate
+end
+
+desc "Build gem locally"
+task :build => :gemspec do
+  system "gem build #{gemspec.name}.gemspec"
+  FileUtils.mkdir_p "pkg"
+  FileUtils.mv "#{gemspec.name}-#{gemspec.version}.gem", "pkg"
+end
+
+desc "Install gem locally"
+task :install => :build do
+  system "gem install pkg/#{gemspec.name}-#{gemspec.version}"
+end
+
+desc "Clean automatically generated files"
+task :clean do
+  FileUtils.rm_rf "pkg"
+end