update rake task to use docs folder

rake/site.rake

@@ -52,52 +52,14 @@ namespace :site do
     end
   end
 
-  desc "Commit the local site to the gh-pages branch and publish to GitHub Pages"
+  desc "Generate generated pages and publish to GitHub Pages"
   task :publish => :generated_pages do
-    # Ensure the gh-pages dir exists so we can generate into it.
-    puts "Checking for gh-pages dir..."
-    unless File.exist?("./gh-pages")
-      puts "Creating gh-pages dir..."
-      sh "git clone git@github.com:jekyll/jekyll gh-pages"
-    end
-
-    # Ensure latest gh-pages branch history.
-    Dir.chdir('gh-pages') do
-      sh "git checkout gh-pages"
-      sh "git pull origin gh-pages"
-    end
-
-    # Proceed to purge all files in case we removed a file in this release.
-    puts "Cleaning gh-pages directory..."
-    purge_exclude = %w[
-      gh-pages/.
-      gh-pages/..
-      gh-pages/.git
-      gh-pages/.gitignore
-    ]
-    FileList["gh-pages/{*,.*}"].exclude(*purge_exclude).each do |path|
-      sh "rm -rf #{path}"
-    end
-
-    # Copy site to gh-pages dir.
-    puts "Building site into gh-pages branch..."
-    ENV['JEKYLL_ENV'] = 'production'
-    require "jekyll"
-    Jekyll::Commands::Build.process({
-      "source"       => File.expand_path(docs_folder),
-      "destination"  => File.expand_path("gh-pages"),
-      "sass"         => { "style" => "compressed" }
-    })
-
-    File.open('gh-pages/.nojekyll', 'wb') { |f| f.puts(":dog: food.") }
-
-    # Commit and push.
     puts "Committing and pushing to GitHub Pages..."
     sha = `git rev-parse HEAD`.strip
     Dir.chdir('gh-pages') do
-      sh "git add ."
+      sh "git add docs/"
-      sh "git commit --allow-empty -m 'Updating to #{sha}.'"
+      sh "git commit --allow-empty -m 'Generating pages for #{sha}.'"
-      sh "git push origin gh-pages"
+      sh "git push origin master"
     end
     puts 'Done.'
   end