Change GitHub Actions workflow Ruby matrix

We can drop Ruby 2.4 from our test run matrix. It is beyond EOL.
Let's add 2.7 instead.

.github/workflows/docker-deploy.yml

@@ -0,0 +1,39 @@
+name: Deploy docker
+on: [push]
+env:
+  DEPLOY_NAME: gollumwiki/gollum:latest
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    if: ${{ github.ref == 'refs/heads/master' }}
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+      - name: Login
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Cache docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./
+          file: ./Dockerfile
+          builder: ${{ steps.buildx.outputs.name }}
+          push: true
+          tags: ${{ env.DEPLOY_NAME }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/docker-test.yml

@@ -0,0 +1,38 @@
+name: Build and Test Docker
+on: [push, pull_request]
+env:
+  CI_IMAGE: gollum-ci-img
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Cache docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+      - name: Build
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./
+          file: ./Dockerfile
+          builder: ${{ steps.buildx.outputs.name }}
+          push: false
+          tags: ${{ env.CI_IMAGE }}
+          outputs: type=docker
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}
+      - name: docker state
+        run: docker image ls
+      - name: Run gollum as test
+        run: docker run -e CI=true ${{ env.CI_IMAGE }} --irb

.github/workflows/release.yml

@@ -0,0 +1,25 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Create Release
+
+jobs:
+  build:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false

.github/workflows/test.yaml

@@ -0,0 +1,46 @@
+name: Ruby Build
+on: [push, pull_request]
+jobs:
+  jruby_build:
+    name: JRuby (${{ matrix.ruby }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: [jruby-9.2.18]
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: List files in the repository
+        run: |
+          ls ${{ github.workspace }}
+      - name: Set up Java
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'adopt'
+          java-version: '11'
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run tests
+        run: bundle exec rake
+  mri_build:
+    name: Ruby (${{ matrix.ruby }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: [2.6, 2.7, 3.0]
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: List files in the repository
+        run: |
+          ls ${{ github.workspace }}
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run tests
+        run: bundle exec rake

.gitignore

@@ -8,3 +8,4 @@ Gemfile.lock
 .*
 !.sprockets*
 !lib/gollum/public/gollum/stylesheets/_styles.css
+!.github*

.travis.yml

@@ -1,9 +0,0 @@
-rvm:
-  - 2.4.0
-  - 2.6.0
-  - jruby-9.2.9.0
-jdk:
-  - oraclejdk9
-before_install:
- - sudo apt-get update
- - sudo apt-get install libicu-dev

CONTRIBUTING.md

@@ -62,6 +62,8 @@ Pull Requests fixing bugs, implementing new features, or updating documentation
 	```
 	bundle exec rake test
 	```
+	
+To profile slow tests, you can use `bundle exec rake test TESTOPTS="--verbose"`.
 
 ### Working with test repositories
 

Dockerfile

@@ -0,0 +1,40 @@
+FROM ruby:2.7-alpine AS builder
+
+RUN apk add \
+    build-base \
+    cmake \
+    git \
+    icu-dev \
+    openssl-dev
+
+COPY Gemfile* /tmp/
+COPY gollum.gemspec* /tmp/
+WORKDIR /tmp
+RUN bundle install
+
+RUN gem install \
+    asciidoctor \
+    creole \
+    wikicloth \
+    org-ruby \
+    RedCloth \
+    bibtex-ruby \
+    && echo "gem-extra complete"
+
+WORKDIR /app
+COPY . /app
+RUN bundle exec rake install
+
+
+FROM ruby:2.7-alpine
+
+COPY --from=builder /usr/local/bundle/ /usr/local/bundle/
+
+RUN apk add \
+    bash \
+    git
+
+VOLUME /wiki
+WORKDIR /wiki
+COPY docker-run.sh /docker-run.sh
+ENTRYPOINT ["/docker-run.sh"]

Gemfile

@@ -1,10 +1,26 @@
 source 'https://rubygems.org'
 
-if RUBY_PLATFORM == 'java'
-  gem 'warbler'
-end
+gem 'warbler', platforms: :jruby
+
+# FIXME:
+#
+# There's an issue in 1.12.5 that causes XHTML elements to be generated badly,
+# causing Gollum's test suite to fail.[1] The issue has been fixed upstream,
+# but we're still waiting for a new Nokogiri point release.
+#
+# However, 1.12.5 is a security patch, so we don't want end users to use an
+# older version of Nokogiri. But this is safe to do in our CI environment.
+#
+# Once there's a new Nokogiri release, we can remove this dependency and JRuby
+# CI should pass normally again.
+#
+# Note that Nokogiri 1.11+ does not support Ruby v2.4.x anymore. So to make our
+# current CI workflows pass, we should only try to install this version of
+# Nokogiri for newer Ruby versions.
+#
+# [1]: https://github.com/gollum/gollum/issues/1779
+gem 'nokogiri', '1.12.4' unless RUBY_VERSION.include? '2.4'
 
 gemspec
 
-gem "rake", '~> 13.0'
-
+gem 'rake', '~> 13.0'

HISTORY.md

@@ -1,3 +1,7 @@
+# 5.2.3 2021-04-18
+
+* Fix bug preventing page titles from being displayed
+
 # 5.2.1 2021-02-25
 
 * Fix include call to a missing asset (@benjaminwil). This caused slow first page loads on JRuby.

README.md

@@ -2,10 +2,11 @@ gollum -- A git-based Wiki
 ====================================
 
 [![Gem Version](https://badge.fury.io/rb/gollum.svg)](http://badge.fury.io/rb/gollum)
-[![Build Status](https://travis-ci.org/gollum/gollum.svg?branch=master)](https://travis-ci.org/gollum/gollum)
+![Build Status](https://github.com/gollum/gollum/actions/workflows/test.yaml/badge.svg)
 [![Open Source Helpers](https://www.codetriage.com/gollum/gollum/badges/users.svg)](https://www.codetriage.com/gollum/gollum)
 [![Cutting Edge Dependency Status](https://dometto-cuttingedge.herokuapp.com/github/gollum/gollum/svg 'Cutting Edge Dependency Status')](https://dometto-cuttingedge.herokuapp.com/github/gollum/gollum/info)
 
+
 **Gollum version 5.0 is out!** See [here](https://github.com/gollum/gollum/wiki/5.0-release-notes) for a list of changes and new features compared to Gollum version 4.x, and see some [Screenshots](https://github.com/gollum/gollum/wiki/Screenshots) of Gollum's features.
 
 ## DESCRIPTION
@@ -36,16 +37,16 @@ Gollum runs on Unix-like systems using its [adapter](https://github.com/gollum/r
 ## INSTALLATION
 
 1. Ruby is best installed either via [RVM](https://rvm.io/) or a package manager of choice.
-2. Gollum is best installed via RubyGems:  
+2. Gollum is best installed via RubyGems:
 	```
 	[sudo] gem install gollum
 	```
-	
+
 Installation examples for individual systems can be seen [here](https://github.com/gollum/gollum/wiki/Installation).
 
 To run, simply:
 
-1. Run: `gollum /path/to/wiki`.
+1. Run: `gollum /path/to/wiki` where `/path/to/wiki` is an initialized Git repository.
 2. Open `http://localhost:4567` in your browser.
 
 See [below](#running-from-source) for information on running Gollum from source, as a Rack app, and more.
@@ -83,19 +84,19 @@ See [here](https://github.com/gollum/gollum/wiki/Custom-rendering-gems) for inst
 
 ### Rack
 
-Gollum can also be ran with any [rack-compatible web server](https://github.com/rack/rack#supported-web-servers). More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Rack).
+Gollum can also be run with any [rack-compatible web server](https://github.com/rack/rack#supported-web-servers). More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Rack).
 
 ### Rack, with an authentication server
 
-Gollum can also be ran alongside a CAS (Central Authentication Service) SSO (single sign-on) server. With a bit of tweaking, this adds basic user-support to Gollum. To see an example and an explanation, navigate [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Rack-and-CAS-SSO).
+Gollum can also be run alongside a CAS (Central Authentication Service) SSO (single sign-on) server. With a bit of tweaking, this adds basic user-support to Gollum. To see an example and an explanation, navigate [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Rack-and-CAS-SSO).
 
 ### Docker
 
-Gollum can also be ran via [Docker](https://www.docker.com/). More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Docker).
+Gollum can also be run via [Docker](https://www.docker.com/). More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-via-Docker).
 
 ### Service
 
-Gollum can also be ran as a service. More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-as-a-service).
+Gollum can also be run as a service. More on that [over here](https://github.com/gollum/gollum/wiki/Gollum-as-a-service).
 
 ## CONFIGURATION
 
@@ -125,7 +126,7 @@ Gollum comes with the following command line options:
 | --no-display-metadata | none  | Do not render metadata tables in pages. |
 | --user-icons      | [MODE]    | Tell Gollum to use specific user icons for history view. Can be set to `gravatar`, `identicon` or `none`. Default: `none`. |
 | --mathjax-config  | [FILE]    | Specify path to a custom MathJax configuration. If not specified, uses the `mathjax.config.js` file from repository root. |
-| --template-dir    | [PATH]    | Specify custom mustache template directory. |
+| --template-dir    | [PATH]    | Specify custom mustache template directory. Only overrides templates that exist in this directory. |
 | --template-page   | none      | Use _Template in root as a template for new pages. Must be committed. |
 | --emoji           | none      | Parse and interpret emoji tags (e.g. `:heart:`) except when the leading colon is backslashed (e.g. `\:heart:`). |
 | --lenient-tag-lookup | none | Internal links resolve case-insensitively, will treat spaces as hyphens, and will match the first page found with a certain filename, anywhere in the repository. Provides compatibility with Gollum 4.x. |
@@ -149,3 +150,7 @@ When `--config` option is used, certain inner parts of Gollum can be customized.
 ## CONTRIBUTING
 
 Please consider helping out! See [CONTRIBUTING](CONTRIBUTING.md) for information on how to submit issues, and how to start hacking on gollum.
+
+## THANKS TO
+
+[![Testing Powered By SauceLabs](https://opensource.saucelabs.com/images/opensauce/powered-by-saucelabs-badge-gray.png?sanitize=true "Testing Powered By SauceLabs")](https://saucelabs.com)

bin/gollum

@@ -149,7 +149,7 @@ MSG
     'Can be set to \'gravatar\' or \'identicon\'. Default: standard avatar.') do |mode|
     wiki_options[:user_icons] = mode.to_s
   end
-  opts.on('--template-dir [PATH]', 'Specify custom mustache template directory.') do |path|
+  opts.on('--template-dir [PATH]', 'Specify custom mustache template directory. Only overrides templates that exist in this directory.') do |path|
     wiki_options[:template_dir] = path
   end
   opts.on('--template-page', 'Use _Template.{ext} as a template for new pages.') do
@@ -206,7 +206,7 @@ begin
 rescue OptionParser::InvalidOption => e
   puts "gollum: #{e.message}"
   puts 'gollum: try \'gollum --help\' for more information'
-  exit
+  exit 1
 end
 
 # --gollum-path wins over ARGV[0]
@@ -271,7 +271,6 @@ else
   Precious::App.set(:environment, ENV.fetch('RACK_ENV', :production).to_sym)
   Precious::App.set(:gollum_path, gollum_path)
   Precious::App.set(:wiki_options, wiki_options)
-  Precious::App.settings.mustache[:templates] = wiki_options[:template_dir] if wiki_options[:template_dir]
 
   if cfg = options[:config]
     # If the path begins with a '/' it will be considered an absolute path,

docker-run.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Initialize the wiki
+if [ ! -d .git ]; then
+    git init
+fi
+
+# Start gollum service
+[[ "$@" != *--mathjax* ]] && echo "WARNING: Mathjax will soon be disabled by default. To explicitly enable it, use --mathjax" >&2
+exec gollum $@ --mathjax

gollum.gemspec

@@ -5,8 +5,8 @@ Gem::Specification.new do |s|
   s.required_ruby_version = '>= 1.9'
 
   s.name              = 'gollum'
-  s.version           = '5.2.1'
-  s.date              = '2021-02-25'
+  s.version           = '5.2.3'
+  s.date              = '2021-04-18'
   s.license           = 'MIT'
 
   s.summary     = 'A simple, Git-powered wiki.'
@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'kramdown-parser-gfm', '~> 1.1.0'
   s.add_dependency 'sinatra', '~> 2.0'
   s.add_dependency 'sinatra-contrib', '~> 2.0'
-  s.add_dependency 'mustache-sinatra', '~> 1.0'
+  s.add_dependency 'mustache-sinatra', '>= 1.0.1', '< 2'
   s.add_dependency 'useragent', '~> 0.16.2'
   s.add_dependency 'gemojione', '~> 4.1'
   s.add_dependency 'octicons', '~> 12.0'
@@ -38,14 +38,14 @@ Gem::Specification.new do |s|
   s.add_dependency 'sprockets-helpers', '~> 1.2'
   s.add_dependency 'rss', '~> 0.2.9'
   s.add_dependency 'therubyrhino', '~> 2.1.0'
+  s.add_dependency 'webrick', '~> 1.7'
+  s.add_dependency 'i18n', '~> 1.8'
 
   s.add_development_dependency 'rack-test', '~> 0.6.3'
   s.add_development_dependency 'shoulda', '~> 3.6.0'
   s.add_development_dependency 'minitest-reporters', '~> 1.3.6'
-  s.add_development_dependency 'twitter_cldr', '~> 3.2.0'
   s.add_development_dependency 'mocha', '~> 1.8.0'
   s.add_development_dependency 'test-unit', '~> 3.3.0'
-  s.add_development_dependency 'webrick', '~> 1.4.2'
 
   # = MANIFEST =
   s.files = %w[
@@ -69,11 +69,11 @@ Gem::Specification.new do |s|
     lib/gollum/app.rb
     lib/gollum/assets.rb
     lib/gollum/helpers.rb
-    lib/gollum/public/assets/.sprockets-manifest-15b663a27211dc9de9a452b4b74462d7.json
-    lib/gollum/public/assets/app-7a0bbff2e8bad3033e7c17e0e0f886f336a9d23d3b912dcd2ae389c48b4b63e6.css
-    lib/gollum/public/assets/app-7a0bbff2e8bad3033e7c17e0e0f886f336a9d23d3b912dcd2ae389c48b4b63e6.css.gz
-    lib/gollum/public/assets/app-7a4bd115f4bc7ece39bc8073ca0ffad7c5e55cc5837b1464a12dead4905cefb2.js
-    lib/gollum/public/assets/app-7a4bd115f4bc7ece39bc8073ca0ffad7c5e55cc5837b1464a12dead4905cefb2.js.gz
+    lib/gollum/public/assets/.sprockets-manifest-de7bb79aec424e55af1acdcc4237b301.json
+    lib/gollum/public/assets/app-0fd228e26bfbe6fe31a2da268eb0e98e780c1191c1a918adf383377946e9c838.js
+    lib/gollum/public/assets/app-0fd228e26bfbe6fe31a2da268eb0e98e780c1191c1a918adf383377946e9c838.js.gz
+    lib/gollum/public/assets/app-ad43ca64b295d8444b10f22ee868f18429268af498f1bc515434878b690e37a2.css
+    lib/gollum/public/assets/app-ad43ca64b295d8444b10f22ee868f18429268af498f1bc515434878b690e37a2.css.gz
     lib/gollum/public/assets/criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css
     lib/gollum/public/assets/criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css.gz
     lib/gollum/public/assets/editor-db10c8351306e92f1926ba225d0cd9c8e886482b3b9820a85825ec3abab5f1cf.js

lib/gollum.rb

@@ -5,35 +5,23 @@ require 'digest/sha1'
 require 'ostruct'
 
 # external
+require 'i18n'
 require 'github/markup'
 require 'rhino' if RUBY_PLATFORM == 'java'
 
 # internal
-require File.expand_path('../gollum/uri_encode_component', __FILE__)
+require ::File.expand_path('../gollum/uri_encode_component', __FILE__)
 
 module Gollum
-  VERSION = '5.2.1'
+  VERSION = '5.2.3'
+
+  ::I18n.available_locales = [:en]
+  ::I18n.load_path = Dir[::File.expand_path("lib/gollum/locales") + "/*.yml"]
 
   def self.assets_path
     ::File.expand_path('gollum/public', ::File.dirname(__FILE__))
   end
 
-  class Error < StandardError;
-  end
-
-  class DuplicatePageError < Error
-    attr_accessor :dir
-    attr_accessor :existing_path
-    attr_accessor :attempted_path
-
-    def initialize(dir, existing, attempted, message = nil)
-      @dir            = dir
-      @existing_path  = existing
-      @attempted_path = attempted
-      super(message || "Cannot write #{@dir}/#{@attempted_path}, found #{@dir}/#{@existing_path}.")
-    end
-  end
-  
   class TemplateFilter
     @@filters = {}
 
@@ -48,5 +36,4 @@ module Gollum
       data
     end
   end
-
 end

lib/gollum/app.rb

@@ -1,4 +1,5 @@
-# ~*~ encoding: utf-8 ~*~
+# encoding: UTF-8
+
 require 'cgi'
 require 'sinatra'
 require 'sinatra/namespace'
@@ -14,12 +15,15 @@ require 'pathname'
 require 'gollum'
 require 'gollum/assets'
 require 'gollum/views/helpers'
+require 'gollum/views/helpers/locale_helpers'
 require 'gollum/views/layout'
 require 'gollum/views/editable'
 require 'gollum/views/has_page'
 require 'gollum/views/has_user_icons'
+require 'gollum/views/has_math'
 require 'gollum/views/pagination'
 require 'gollum/views/rss.rb'
+require 'gollum/views/template_cascade'
 
 require File.expand_path '../helpers', __FILE__
 
@@ -40,7 +44,7 @@ Gollum::set_git_max_filesize(190 * 10**6)
 # See the wiki.rb file for more details on wiki options
 
 module Precious
-  
+
   # For use with the --base-path option.
   class MapGollum
     def initialize(base_path)
@@ -63,12 +67,14 @@ module Precious
       @mg.call(env)
     end
   end
-  
+
   class App < Sinatra::Base
     register Mustache::Sinatra
     register Sinatra::Namespace
     include Precious::Helpers
-    
+
+    Encoding.default_external = "UTF-8"
+
     dir = File.dirname(File.expand_path(__FILE__))
 
     set :sprockets, ::Precious::Assets.sprockets(dir)
@@ -102,11 +108,15 @@ module Precious
       @critic_markup = settings.wiki_options[:critic_markup]
       @redirects_enabled = settings.wiki_options.fetch(:redirects_enabled, true)
       @per_page_uploads = settings.wiki_options[:per_page_uploads]
-      
+
       @wiki_title = settings.wiki_options.fetch(:title, 'Gollum Wiki')
 
       forbid unless @allow_editing || request.request_method == 'GET'
-      Precious::App.set(:mustache, {:templates => settings.wiki_options[:template_dir]}) if settings.wiki_options[:template_dir]
+
+      if settings.wiki_options[:template_dir]
+        Precious::Views::Layout.extend Precious::Views::TemplateCascade
+        Precious::Views::Layout.template_priority_path = settings.wiki_options[:template_dir]
+      end
 
       @base_url = url('/', false).chomp('/').force_encoding('utf-8')
       @page_dir = settings.wiki_options[:page_file_dir].to_s
@@ -116,11 +126,12 @@ module Precious
       @css = settings.wiki_options[:css]
       @js  = settings.wiki_options[:js]
       @mathjax_config = settings.wiki_options[:mathjax_config]
+      @mathjax = settings.wiki_options[:mathjax]
 
-      @use_static_assets = settings.wiki_options.fetch(:static, settings.environment == :production || settings.environment == :staging)
+      @use_static_assets = settings.wiki_options.fetch(:static, settings.environment != :development)
       @static_assets_path = settings.wiki_options.fetch(:static_assets_path, ::File.join(File.dirname(__FILE__), 'public/assets'))
       @mathjax_path = ::File.join(File.dirname(__FILE__), 'public/gollum/javascript/MathJax')
-      
+
       Sprockets::Helpers.configure do |config|
         config.environment = settings.sprockets
         config.environment.context_class.class_variable_set(:@@base_url, @base_url)
@@ -208,7 +219,6 @@ module Precious
           if page = wikip.page
               @page         = page
               @content      = page.text_data
-              @mathjax      = wiki.mathjax
               @etag         = page.sha
               mustache :edit
           else
@@ -219,7 +229,7 @@ module Precious
 
       # AJAX calls only
       post '/upload_file' do
-        
+
         wiki = wiki_new
         halt 405 unless wiki.allow_uploads
 
@@ -230,12 +240,12 @@ module Precious
         halt 500 unless tempfile.is_a? Tempfile
 
         if wiki.per_page_uploads
-          dir = request.referer.sub(request.base_url, '')
+          dir = request.referer.match(/^https?:\/\/#{request.host_with_port}\/(.*)/)[1]          
           # remove base path if it is set
           dir.sub!(/^#{wiki.base_path}/, '') if wiki.base_path
           # remove base_url and gollum/* subpath if necessary
           dir.sub!(/^\/gollum\/[-\w]+\//, '')
-          # remove file extension 
+          # remove file extension
           dir.sub!(/#{::File.extname(dir)}$/, '')
           # revert escaped whitespaces
           dir.gsub!(/%20/, ' ')
@@ -317,7 +327,7 @@ module Precious
       end
 
       post '/edit/*' do
-        etag      = params[:etag]        
+        etag      = params[:etag]
         path      = "/#{clean_url(sanitize_empty_params(params[:path]))}"
         wiki      = wiki_new
         page      = wiki.page(::File.join(path, params[:page]))
@@ -327,7 +337,7 @@ module Precious
           # Signal edit collision and return the page's most recent version
           halt 412, {etag: page.sha, text_data: page.text_data}.to_json
         end
-        
+
         committer = Gollum::Committer.new(wiki, commit_message)
         commit    = { :committer => committer }
 
@@ -348,7 +358,7 @@ module Precious
           commit[:message] = "Deleted #{filepath}"
           wiki.delete_file(filepath, commit)
         end
-      end      
+      end
 
       get '/create/*' do
         forbid unless @allow_editing
@@ -604,7 +614,6 @@ module Precious
         # Extensions and layout data
         @editable      = true
         @toc_content   = wiki.universal_toc ? @page.toc_data : nil
-        @mathjax       = wiki.mathjax
         @h1_title      = wiki.h1_title
         @bar_side      = wiki.bar_side
         @allow_uploads = wiki.allow_uploads
@@ -625,7 +634,7 @@ module Precious
         end
       end
     end
-    
+
     def show_file(file)
       return unless file
       if file.on_disk?
@@ -638,7 +647,7 @@ module Precious
 
     def load_template(path)
       template_page = wiki_page(::File.join(path, '_Template')).page || wiki_page('/_Template').page
-      template_page ? Gollum::TemplateFilter.apply_filters(template_page.raw_data) : nil
+      template_page ? Gollum::TemplateFilter.apply_filters(template_page.text_data) : nil
     end
 
     def update_wiki_page(wiki, page, content, commit, name = nil, format = nil)
@@ -683,4 +692,4 @@ module Precious
     end
 
   end
-end
+end

lib/gollum/public/assets/.sprockets-manifest-15b663a27211dc9de9a452b4b74462d7.json

@@ -1 +0,0 @@
-{"files":{"app-7a4bd115f4bc7ece39bc8073ca0ffad7c5e55cc5837b1464a12dead4905cefb2.js":{"logical_path":"app.js","mtime":"2021-02-24T23:16:14-08:00","size":135925,"digest":"7a4bd115f4bc7ece39bc8073ca0ffad7c5e55cc5837b1464a12dead4905cefb2","integrity":"sha256-ekvRFfS8fs45vIBzyg/618XlXMWDexRkoS3q1JBc77I="},"editor-db10c8351306e92f1926ba225d0cd9c8e886482b3b9820a85825ec3abab5f1cf.js":{"logical_path":"editor.js","mtime":"2021-02-24T23:16:14-08:00","size":744866,"digest":"db10c8351306e92f1926ba225d0cd9c8e886482b3b9820a85825ec3abab5f1cf","integrity":"sha256-2xDINRMG6S8ZJroiXQzZyOiGSCs7mCCoWCXsOrq18c8="},"app-7a0bbff2e8bad3033e7c17e0e0f886f336a9d23d3b912dcd2ae389c48b4b63e6.css":{"logical_path":"app.css","mtime":"2021-02-24T23:16:14-08:00","size":396661,"digest":"7a0bbff2e8bad3033e7c17e0e0f886f336a9d23d3b912dcd2ae389c48b4b63e6","integrity":"sha256-egu/8ui60wM+fBfg4PiG8zap0j07kS3NKuOJxItLY+Y="},"criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css":{"logical_path":"criticmarkup.css","mtime":"2021-02-24T23:16:14-08:00","size":646,"digest":"31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4","integrity":"sha256-Ma5dMoK7uOe3w8mRfp+2jjMVprSnXabOxI0huIRpBcQ="},"print-512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb.css":{"logical_path":"print.css","mtime":"2021-02-24T23:16:14-08:00","size":75,"digest":"512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb","integrity":"sha256-USSYw2i+DT+xuhBd+oQomuSDgOyfy++Ui9TiOwsJW/s="}},"assets":{"app.js":"app-7a4bd115f4bc7ece39bc8073ca0ffad7c5e55cc5837b1464a12dead4905cefb2.js","editor.js":"editor-db10c8351306e92f1926ba225d0cd9c8e886482b3b9820a85825ec3abab5f1cf.js","app.css":"app-7a0bbff2e8bad3033e7c17e0e0f886f336a9d23d3b912dcd2ae389c48b4b63e6.css","criticmarkup.css":"criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css","print.css":"print-512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb.css"}}

lib/gollum/public/assets/.sprockets-manifest-854e63efab177e012aa68e5d03e76814.json

@@ -0,0 +1 @@
+{"files":{"app-f05401ee374f0c7f48fc2bc08e30b4f4db705861fd5895ed70998683b383bfb5.js":{"logical_path":"app.js","mtime":"2021-07-10T00:40:20+09:00","size":136040,"digest":"f05401ee374f0c7f48fc2bc08e30b4f4db705861fd5895ed70998683b383bfb5","integrity":"sha256-8FQB7jdPDH9I/CvAjjC09NtwWGH9WJXtcJmGg7ODv7U="},"editor-9881d0c7ae663293f0e3a7e72729eec7e940fa613185c076709b76d292f5703a.js":{"logical_path":"editor.js","mtime":"2021-07-10T00:42:29+09:00","size":744886,"digest":"9881d0c7ae663293f0e3a7e72729eec7e940fa613185c076709b76d292f5703a","integrity":"sha256-mIHQx65mMpPw46fnJynux+lA+mExhcB2cJt20pL1cDo="},"app-cb122b4c17500faa5e013cb43334fafcf2dd7d72f694b06d9616f8b33fefb694.css":{"logical_path":"app.css","mtime":"2021-07-10T00:39:36+09:00","size":396625,"digest":"cb122b4c17500faa5e013cb43334fafcf2dd7d72f694b06d9616f8b33fefb694","integrity":"sha256-yxIrTBdQD6peATy0MzT6/PLdfXL2lLBtlhb4sz/vtpQ="},"criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css":{"logical_path":"criticmarkup.css","mtime":"2021-07-08T05:19:03+09:00","size":646,"digest":"31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4","integrity":"sha256-Ma5dMoK7uOe3w8mRfp+2jjMVprSnXabOxI0huIRpBcQ="},"print-512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb.css":{"logical_path":"print.css","mtime":"2021-07-08T05:19:03+09:00","size":75,"digest":"512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb","integrity":"sha256-USSYw2i+DT+xuhBd+oQomuSDgOyfy++Ui9TiOwsJW/s="}},"assets":{"app.js":"app-f05401ee374f0c7f48fc2bc08e30b4f4db705861fd5895ed70998683b383bfb5.js","editor.js":"editor-9881d0c7ae663293f0e3a7e72729eec7e940fa613185c076709b76d292f5703a.js","app.css":"app-cb122b4c17500faa5e013cb43334fafcf2dd7d72f694b06d9616f8b33fefb694.css","criticmarkup.css":"criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css","print.css":"print-512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb.css"}}

lib/gollum/public/gollum/javascript/editor/gollum.editor.js

@@ -218,7 +218,7 @@
           $form.attr('action', this.href || routePath('preview'));
           $form.attr('target', '_blank');
           var paths = window.location.pathname.split('/');
-          $form.attr('page', paths[ paths.length - 1 ] || '')
+          $form.attr('page', decodeURIComponent(paths[ paths.length - 1 ]) || '')
           $form.submit();
 
 

lib/gollum/public/gollum/javascript/gollum.js.erb

@@ -345,7 +345,7 @@ $(document).ready(function() {
     var formData = new FormData($('#gollum-editor-form').get(0));
     var paths = window.location.pathname.split('/');
     var sectionAnchor = window.location.hash.substr(1);
-    formData.append('page', paths[ paths.length - 1 ] || '')
+    formData.append('page', decodeURIComponent(paths[ paths.length - 1 ]) || '')
     $.ajax({
       url: routePath('preview'),
       data: formData,
@@ -380,8 +380,12 @@ $(document).ready(function() {
       active_tab = '#edit.tabnav-tab';
     }
 
+    $('.tabnav-tab.selected').removeAttr('aria-current');
     $('.tabnav-tab.selected').removeClass('selected');
+
+    $(active_tab).attr('aria-current', 'page');
     $(active_tab).addClass('selected');
+
     $('.tabnav-div').hide();
     $(active_div).show();
   }

lib/gollum/public/gollum/stylesheets/dialog.scss

@@ -147,7 +147,3 @@
     }
   }
 }
-
-#gollum-dialog-dialog-buttons {
-  overflow: hidden;
-}

lib/gollum/public/gollum/stylesheets/editor.scss

@@ -29,6 +29,7 @@ a.tabnav-tab:focus {
   overflow: hidden;
   font-family: Consolas, "Liberation Mono", Courier, monospace;
   font-size: 1em;
+  padding: 0;
 }
 
 #gollum-editor {

lib/gollum/templates/create.mustache

@@ -4,13 +4,15 @@
   <h1 class="py-4">Create New Page</h1>
 </div>
 <div id="wiki-content" class="create edit">
-	<div class="tabnav">
-	  <nav class="tabnav-tabs" aria-label="Foo bar">
-	    <a href="#" id="edit" class="tabnav-tab selected" aria-current="edit">Edit</a>
-	    <a href="#" id="preview" class="tabnav-tab" aria-current="preview">Preview</a>
-	  </nav>
-	</div>
-	
+  <div class="tabnav">
+    <nav class="tabnav-tabs" aria-label="Toggle edit or preview mode">
+      <a href="#" id="edit" class="tabnav-tab selected" aria-current="page">
+        Edit
+      </a>
+      <a href="#" id="preview" class="tabnav-tab">Preview</a>
+    </nav>
+  </div>
+
   <div class="has-sidebar tabnav-div" id="edit-content">
     {{>editor}}
   </div>

lib/gollum/templates/edit.mustache

@@ -5,8 +5,10 @@
 </div>
 <div class="tabnav">
   <nav class="tabnav-tabs">
-    <a href="#" id="edit" class="tabnav-tab selected" aria-current="edit">Edit</a>
-    <a href="#" id="preview" class="tabnav-tab" aria-current="preview">Preview</a>
+    <a href="#" id="edit" class="tabnav-tab selected" aria-current="page">
+      Edit
+    </a>
+    <a href="#" id="preview" class="tabnav-tab">Preview</a>
   </nav>
 </div>
   <div class="tabnav-div" id="edit-content">{{>editor}}</div>

lib/gollum/templates/editor.mustache

@@ -37,7 +37,7 @@
 			<button class="btn btn-sm function-button" id="function-h3" title="Heading 3">h3</button>
 			<span class="pr-2"></span>
 			<button class="btn btn-sm function-button" id="function-link" title="Link">{{#octicon}}link{{/octicon}}</button>
-			<button class="btn btn-sm function-button" id="function-image" title="Image">{{#octicon}}file-media{{/octicon}}</button>
+			<button class="btn btn-sm function-button" id="function-image" title="Image">{{#octicon}}image{{/octicon}}</button>
 			<span class="pr-2"></span>
 			{{#critic_markup}}
 			<button class="btn btn-sm function-button" id="function-critic-accept" title="Accept Selected CriticMarkup">{{#octicon}}plus{{/octicon}}</button>

lib/gollum/templates/navbar.mustache

@@ -1,105 +1,103 @@
-<nav class="actions pt-4 px-2 px-lg-0 overflow-x-scroll">
-  <div class="TableObject">
-    <div class="TableObject-item hide-lg hide-xl">
-      {{>mobilenav}}
-    </div>
+<nav class="TableObject actions pt-4 px-2 px-lg-0 overflow-x-scroll">
+  <div class="TableObject-item hide-lg hide-xl">
+    {{>mobilenav}}
+  </div>
 
-    <div class="TableObject-item hide-sm hide-md">
-      <a class="btn btn-sm" id="minibutton-home" href="{{page_route}}">
-        Home
-      </a>
-    </div>
+  <div class="TableObject-item hide-sm hide-md">
+    <a class="btn btn-sm" id="minibutton-home" href="{{page_route}}">
+      Home
+    </a>
+  </div>
 
-    <div
-      class="TableObject-item TableObject-item--primary px-2"
-      {{^search}}style="visibility:hidden"{{/search}}
-    >
-      {{>searchbar}}
-    </div>
+  <div
+    class="TableObject-item TableObject-item--primary px-2"
+    {{^search}}style="visibility:hidden"{{/search}}
+  >
+    {{>searchbar}}
+  </div>
 
-    <div class="TableObject-item hide-sm hide-md">
-      <div class="BtnGroup" style="display: flex;">
-        {{#overview}}
-          <a
-            class="btn BtnGroup-item btn-sm"
-            href="{{overview_path}}"
-            id="minibutton-overview"
-          >
-            Overview
-          </a>
-        {{/overview}}
-
-        {{#latest_changes}}
-          <a
-            class="btn BtnGroup-item btn-sm"
-            href="{{latest_changes_path}}"
-            id="minibutton-latest-changes"
-          >
-            Latest Changes
-          </a>
-        {{/latest_changes}}
-      </div>
-    </div>
-
-    {{#history}}
-      <div class="TableObject-item pl-2 hide-sm hide-md">
+  <div class="TableObject-item hide-sm hide-md">
+    <div class="BtnGroup d-flex">
+      {{#overview}}
         <a
-          class="btn btn-sm"
+          class="btn BtnGroup-item btn-sm"
+          href="{{overview_path}}"
+          id="minibutton-overview"
+        >
+          Overview
+        </a>
+      {{/overview}}
+
+      {{#latest_changes}}
+        <a
+          class="btn BtnGroup-item btn-sm"
+          href="{{latest_changes_path}}"
+          id="minibutton-latest-changes"
+        >
+          Latest Changes
+        </a>
+      {{/latest_changes}}
+    </div>
+  </div>
+
+  <div class="TableObject-item px-2">
+    <div class="BtnGroup d-flex">
+      {{#history}}
+        <a
+          class="btn BtnGroup-item btn-sm hide-sm hide-md"
           href="{{history_path}}/{{escaped_url_path}}"
           id="minibutton-history"
         >
-          Page History
+          History
+        </a>
+      {{/history}}
+
+      {{#allow_editing}}
+        {{#allow_uploads}}
+          <button
+            class="btn BtnGroup-item btn-sm hide-sm hide-md
+              minibutton-upload-page"
+          >
+            Upload
+          </button>
+        {{/allow_uploads}}
+
+        {{#editable}}
+          <button
+            class="btn BtnGroup-item btn-sm hide-sm hide-md
+              minibutton-rename-page"
+          >
+            Rename
+          </button>
+          <a
+            class="btn BtnGroup-item btn-sm hide-sm hide-md"
+            href="{{edit_path}}/{{escaped_url_path}}"
+            id="minibutton-edit-page"
+          >
+            Edit
+          </a>
+        {{/editable}}
+      {{/allow_editing}}
+    </div>
+  </div>
+
+  {{#allow_editing}}
+    {{#editable}}
+      <div class="TableObject-item">
+        <a class="btn btn-primary btn-sm minibutton-new-page" href="#">
+          New
         </a>
       </div>
-    {{/history}}
+    {{/editable}}
 
-    {{#allow_editing}}
-      <div class="TableObject-item px-2">
-        <div class="BtnGroup" style="display: flex;">
-          {{#allow_uploads}}
-            <a
-              class="btn BtnGroup-item btn-sm hide-sm hide-md
-                minibutton-upload-page"
-            >
-              Upload
-            </a>
-          {{/allow_uploads}}
-
-          {{#editable}}
-            <a
-              class="btn BtnGroup-item btn-sm hide-sm hide-md
-                minibutton-rename-page"
-            >
-              Rename
-            </a>
-            <a
-              class="btn BtnGroup-item btn-sm hide-sm hide-md"
-              href="{{edit_path}}/{{escaped_url_path}}"
-              id="minibutton-edit-page"
-            >
-              Edit
-            </a>
-          {{/editable}}
-        </div>
-      </div>
-
-      {{#editable}}
+    {{^editable}}
+      {{#newable}}
         <div class="TableObject-item">
           <a class="btn btn-primary btn-sm minibutton-new-page" href="#">
             New
           </a>
         </div>
-      {{/editable}}
-
-      {{^editable}}
-        {{#newable}}
-          <div class="TableObject-item">
-            <a class="btn btn-primary btn-sm minibutton-new-page" href="#">
-              New
-            </a>
-          </div>
-        {{/newable}}
-      {{/editable}}
-    {{/allow_editing}}
-  </div>
+      {{/newable}}
+    {{/editable}}
+  {{/allow_editing}}
 </nav>

lib/gollum/views/create.rb

@@ -2,6 +2,7 @@ module Precious
   module Views
     class Create < Layout
       include Editable
+      include HasMath
 
       attr_reader :page, :name
 
@@ -41,9 +42,9 @@ module Precious
       def content
         @template_page
       end
-      
+
       private
-      
+
       def find_format
         @found_format ||= (Gollum::Page.format_for("#{@name}#{@ext}") || default_markup)
       end

lib/gollum/views/edit.rb

@@ -3,6 +3,7 @@ module Precious
     class Edit < Layout
       include Editable
       include HasPage
+      include HasMath
 
       attr_reader :page, :content
 
@@ -18,10 +19,6 @@ module Precious
       def page_name
         @name
       end
-      
-      def mathjax
-        @mathjax
-      end
 
       def header
         if @header.nil?
@@ -67,7 +64,7 @@ module Precious
       def etag
         @etag
       end
-      
+
       def allow_uploads
         @allow_uploads
       end

lib/gollum/views/has_math.rb

@@ -0,0 +1,11 @@
+module Precious
+  module HasMath
+    def mathjax
+      @mathjax
+    end
+
+    def mathjax_config
+      @mathjax_config
+    end
+  end
+end

lib/gollum/views/helpers/locale_helpers.rb

@@ -0,0 +1,82 @@
+module Precious
+  module Views
+    module LocaleHelpers
+      NO_METHOD_MESSAGE = 'Argument must be a view method'
+      YAML_VARIABLE_REGEXP = /\%\{[\w]+\}/
+
+      # Returns all I18n translation strings for the current view class.
+      # This method support YAML arguments. For example:
+      #
+      #     last_edited: This content was last edited at %{date}.
+      #
+      # Where the `date` argument must be a method available on the current
+      # class.
+      #
+      # Use this interface within Mustache templates to render any user
+      # interface strings in the current locale. For example:
+      #
+      #     {{ t.last_edited }}
+      #
+      def t
+        autofill I18n.t(locale_klass_name)
+      end
+
+      private
+
+      # Recursively looks up I18n translation values and autofills any YAML
+      # arguments with the return value of the current class's matching method.
+      #
+      # When a translation value with an argument has no matching method, we
+      # then return that value transformed to include the `no_method_message`
+      #
+      def autofill(yaml)
+        yaml.map { |i18n_key, i18n_value|
+          if i18n_value.is_a? Hash
+            [i18n_key, autofill(i18n_value)]
+          elsif has_arguments?(i18n_value)
+            fill_argument_content(i18n_key, i18n_value)
+          else
+            [i18n_key, i18n_value]
+          end
+        }.to_h
+      end
+
+      def fill_argument_content(i18n_key, i18n_value)
+        i18n_value.gsub!(YAML_VARIABLE_REGEXP) do |argument|
+          method_name = argument.gsub(/[^\w]/, '')
+
+          next if method_name.nil?
+
+          begin
+            self.public_send(method_name)
+          rescue NoMethodError => error
+            no_method_message(method_name)
+          end
+        end
+
+        [i18n_key, i18n_value]
+      end
+
+      def has_arguments?(i18n_value)
+        i18n_value.match?(YAML_VARIABLE_REGEXP)
+      end
+
+      # Returns the current class name in a format that is acceptable in YAML.
+      # To summarize its function:
+      #
+      #     NameOfConstant => name_of_constant
+      #
+      def locale_klass_name
+        @locale_klass_name ||= self.class.name.gsub(/::/, '/').
+          gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
+          gsub(/([a-z\d])([A-Z])/,'\1_\2').
+          tr('-', '_').
+          downcase
+      end
+
+      def no_method_message(method_name, message = NO_METHOD_MESSAGE)
+        "[#{message}: #{method_name}]"
+      end
+    end
+  end
+end

lib/gollum/views/layout.rb

@@ -6,10 +6,11 @@ module Precious
       include Rack::Utils
       include Sprockets::Helpers
       include Precious::Views::AppHelpers
+      include Precious::Views::LocaleHelpers
       include Precious::Views::SprocketsHelpers
       include Precious::Views::RouteHelpers
       include Precious::Views::OcticonHelpers
-      
+
       alias_method :h, :escape_html
 
       attr_reader :name, :path
@@ -47,7 +48,7 @@ module Precious
       end
 
       def mathjax_js
-        page_route("gollum/assets/mathjax/MathJax.js?config=TeX-AMS-MML_HTMLorMML")
+        "#{page_route('gollum/assets/mathjax/MathJax.js')}?config=TeX-AMS-MML_HTMLorMML"
       end
 
       def css # custom css

lib/gollum/views/page.rb

@@ -2,9 +2,10 @@ module Precious
   module Views
     class Page < Layout
       include HasPage
+      include HasMath
 
       attr_reader :content, :page, :header, :footer, :preview, :historical
-      
+
       VALID_COUNTER_STYLES = ['decimal', 'decimal-leading-zero', 'arabic-indic', 'armenian', 'upper-armenian',
         'lower-armenian', 'bengali', 'cambodian', 'khmer', 'cjk-decimal', 'devanagari', 'georgian', 'gujarati', 'gurmukhi',
         'hebrew', 'kannada', 'lao', 'malayalam', 'mongolian', 'myanmar', 'oriya', 'persian', 'lower-roman', 'upper-roman',
@@ -16,6 +17,11 @@ module Precious
       DEFAULT_AUTHOR = 'you'
       @@to_xml       = { :save_with => Nokogiri::XML::Node::SaveOptions::DEFAULT_XHTML ^ 1, :indent => 0, :encoding => 'UTF-8' }
 
+      def title
+        h1 = @h1_title ? page_header_from_content(@content) : false
+        h1 || @page.url_path_title # url_path_title is the metadata title if present, otherwise the filename-based title
+      end
+
       def page_header
         title
       end
@@ -56,11 +62,11 @@ module Precious
       def editable
         @editable
       end
-      
+
       def search
         true
       end
-      
+
       def history
         true
       end
@@ -68,11 +74,11 @@ module Precious
       def latest_changes
         true
       end
-      
+
       def overview
-        true 
+        true
       end
-        
+
       def allow_editing
         @allow_editing
       end
@@ -152,14 +158,6 @@ module Precious
         @toc_content
       end
 
-      def mathjax
-        @mathjax
-      end
-
-      def mathjax_config
-        @mathjax_config
-      end
-
       def use_identicon
         @page.wiki.user_icons == 'identicon'
       end
@@ -177,7 +175,7 @@ module Precious
       # Returns Hash.
       def metadata
         @page.metadata
-      end   
+      end
 
       # Access to embedded metadata.
       #
@@ -263,11 +261,6 @@ module Precious
           end
         result << "</tr>\n</table>\n"
       end
-
-      def title
-        h1 = @h1_title ? page_header_from_content(@content) : false
-        h1 || @page.url_path_title # url_path_title is the metadata title if present, otherwise the filename-based title
-      end
     end
   end
 end

lib/gollum/views/template_cascade.rb

@@ -0,0 +1,36 @@
+module Precious
+  module Views
+    module TemplateCascade
+      def template_priority_path
+        @@template_priority_path
+      end
+
+      def template_priority_path=(path)
+        @@template_priority_path = File.expand_path(path)
+        @template = nil
+      end
+
+      def first_path_available(name)
+        priority = File.join(template_priority_path, "#{name}.#{template_extension}")
+        default = File.join(template_path, "#{name}.#{template_extension}")
+        File.exists?(priority) ? priority : default
+      end
+
+      # Method should track lib/mustache/settings.rb from Mustache project.
+      def template_file
+        @template_file || first_path_available(template_name)
+      end
+
+      # Method should track lib/mustache.rb from Mustache project.
+      def partial(name)
+        path = first_path_available(name)
+        begin
+          File.read(path)
+        rescue
+          raise if raise_on_context_miss?
+          ""
+        end
+      end
+    end
+  end
+end

test/examples/template_cascade/navbar.mustache

@@ -0,0 +1,8 @@
+<nav>
+  <div style="background-color: red;">NAVBAR_OVERRIDE</div>
+
+  <p>Still include an original partial to ensure the fallback works even when nested from an overriden partial:</p>
+  <div>
+    {{>mobilenav}}
+  </div>
+</nav>

test/examples/template_cascade/page.mustache

@@ -0,0 +1,12 @@
+<div id="wiki-wrapper" class="page">
+
+<p>Include an overridden partial:</p>
+<div id="head">
+	{{#navbar?}}{{>navbar}}{{/navbar?}}
+</div>
+
+<div style="background-color: red;">PAGE_OVERRIDE</div>
+
+{{>wiki_content}}
+
+</div>

test/gollum/views/test_locale_helper.rb

@@ -0,0 +1,134 @@
+require_relative "../../helper"
+require_relative "../../../lib/gollum/views/helpers"
+
+describe Precious::Views::LocaleHelpers do
+  class TestClass < Mustache
+    include Precious::Views::LocaleHelpers
+
+    def author
+      "J.R.R."
+    end
+
+    def location
+      "Bloemfontein"
+    end
+  end
+
+  def setup
+    ::I18n.available_locales = [:en, :de]
+    ::I18n.load_path = Dir[File.expand_path("test/support/locales" + "/*.yml")]
+  end
+
+  def teardown
+    I18n.locale = :en
+  end
+
+  let(:dummy_instance) { TestClass.new }
+
+  describe "#t" do
+    describe "mustache usage" do
+      let(:subject) { dummy_instance.render(mustache_template) }
+
+      let(:mustache_template) { "{{ t.hello_world }}" }
+
+      describe "in the default locale" do
+        it "returns the translation string" do
+          _(subject).must_equal "Hello world"
+        end
+      end
+
+      describe "in the configured locale" do
+        it "returns the translation string" do
+          I18n.locale = :de
+
+          _(subject).must_equal "Hallo Welt"
+        end
+      end
+
+      describe "translations with YAML arguments" do
+        let(:mustache_template) { "{{ t.author_info.full }}" }
+
+        describe "in the default locale" do
+          it "autofills YAML arguments" do
+            _(subject).must_equal "Author J.R.R. is from Bloemfontein"
+          end
+        end
+
+        describe "in the configured locale" do
+          it "autofills YAML arguments" do
+            I18n.locale = :de
+
+            _(subject).must_equal "Autor J.R.R. ist vom Bloemfontein"
+          end
+        end
+      end
+
+      describe "translations with invalid arguments" do
+        let(:mustache_template) { "{{ t.has_invalid_argument }}" }
+
+        it "fails gracefully with embedded error message" do
+          expected_string = "Welcome to " \
+            "[#{TestClass::NO_METHOD_MESSAGE}: no_matching_method]"
+
+          _(subject).must_equal expected_string
+        end
+      end
+
+      describe "out of scope translations" do
+        let(:mustache_template) { "{{ t.never_called }}" }
+
+        it "does not include translation keys from other classes" do
+          _(subject).must_be_empty
+        end
+      end
+
+      describe "missing translations" do
+        let(:mustache_template) { "{{ t.nested.nonexistent_key }}" }
+
+        it "outputs an empty string" do
+          _(subject).must_be_empty
+        end
+      end
+    end
+
+    describe "usage" do
+      let(:subject) { dummy_instance.t }
+
+      it "returns a hash" do
+        _(subject).must_be_kind_of Hash
+      end
+
+      it "returns translation keys under 'test_class'" do
+        i18n_keys = I18n.t("test_class").keys
+
+        _(subject.keys).must_equal i18n_keys
+      end
+
+      it "does not return translation keys under other classes" do
+        other_i18n_keys = I18n.t("nonexistant_test_class").keys
+
+        _(subject.keys).wont_include other_i18n_keys
+      end
+
+      it "returns nested keys" do
+        nested_keys = subject[:author_info].keys
+
+        _(nested_keys).must_equal [:full]
+      end
+
+      describe "auto-filled YAML arguments" do
+        let(:subject) { dummy_instance.t[:author_info][:full] }
+
+        it "auto-fills in the default locale" do
+          _(subject).must_equal "Author J.R.R. is from Bloemfontein"
+        end
+
+        it "auto-fills in a configured locale" do
+          I18n.locale = :de
+
+          _(subject).must_equal "Autor J.R.R. ist vom Bloemfontein"
+        end
+      end
+    end
+  end
+end

test/helper.rb

@@ -5,7 +5,7 @@ require 'shoulda'
 require 'mocha/setup'
 require 'fileutils'
 require 'minitest/reporters'
-require 'twitter_cldr'
+require 'minitest/spec'
 require 'tmpdir'
 
 # Silence locale validation warning
@@ -93,4 +93,4 @@ def context(*args, &block)
   klass.class_eval &block
 end
 
-$contexts = []
+$contexts = []

test/support/locales/de.yml

@@ -0,0 +1,8 @@
+de:
+  test_class:
+    author_info:
+      full: Autor %{author} ist vom %{location}
+    has_invalid_argument: Willkommen in %{no_matching_method}
+    hello_world: Hallo Welt
+  nonexistant_test_class:
+    never_called: Nie angerufen

test/support/locales/en.yml

@@ -0,0 +1,8 @@
+en:
+  test_class:
+    author_info:
+      full: Author %{author} is from %{location}
+    has_invalid_argument: Welcome to %{no_matching_method}
+    hello_world: Hello world
+  nonexistant_test_class:
+    never_called: Never called

test/test_app.rb

@@ -39,31 +39,29 @@ context "Frontend" do
     assert_match /<pre><code>one\ntwo\nthree\nfour\n<\/code><\/pre>\n/m, last_response.body
   end
 
-  def nfd utf8
-    TwitterCldr::Normalization.normalize(utf8, using: :nfd)
-  end
-  
   test 'mathjax assets are served' do
     get '/gollum/assets/mathjax/MathJax.js'
     assert last_response.ok?
   end
 
   test "UTF-8 headers href preserved" do
-    page = 'utfh1'
-    text = nfd('한글')
+    page_content = <<~TEXT
+      ## 한글
 
-    # don't use h1 or it will be promoted to replace file name
-    # which doesn't generate a normal header link
-    @wiki.write_page(page, :markdown, '## ' + text,
-                     { :name => 'user1', :email => 'user1' });
+      Test page "utfh1" content.
+    TEXT
 
-    get page
-    expected = "<h2 class=\"editable\"><a class=\"anchor\" (href|id)=\"(#)?#{text}\" (href|id)=\"(#)?#{text}\"></a>#{text}</h2>"
-    actual   = nfd(last_response.body)
+    @wiki.write_page('utfh1',
+                     :markdown,
+                     page_content,
+                     {name: 'user1', email: 'user1'})
 
-    assert_match /#{expected}/, actual
+    get 'utfh1'
+    expected = "<h2 class=\"editable\"><a class=\"anchor\" (href|id)=\"(#)?한글\" (href|id)=\"(#)?한글\"></a>한글</h2>"
+
+    assert_match /#{expected}/, last_response.body
   end
-  
+
   test 'rss feed' do
     channel_title = <<EOF
 <title>Gollum Wiki Latest Changes</title>
@@ -328,7 +326,7 @@ EOF
   test "create with template succeed if template exists" do
     Precious::App.set(:wiki_options, { :template_page => true })
     page='_Template'
-    post '/gollum/create', :content => 'fake template', :page => page,
+    post '/gollum/create', :content => 'fake template with some Utf-8: Ü', :page => page,
       :path               => '/', :format => 'markdown', :message => ''
     follow_redirect!      
     assert last_response.ok?
@@ -447,6 +445,21 @@ EOF
     Precious::App.set(:wiki_options, {allow_uploads: false, per_page_uploads: false})
   end
   
+  test "upload a file with https referer" do
+    temp_upload_file = Tempfile.new(['https_upload', '.file']) << 'abc'
+    temp_upload_file.close
+    Precious::App.set(:wiki_options, {allow_uploads: true, per_page_uploads: true})
+    post "/gollum/upload_file", {:file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))}, {'HTTP_REFERER' => 'https://localhost:4567/Home.md', 'HTTP_HOST' => 'localhost:4567'}
+    
+    assert_equal 302, last_response.status # redirect is expected
+    @wiki.clear_cache
+    # Find the file in a page-specific subdir (here: Home), based on referer
+    file = @wiki.file("uploads/Home/#{::File.basename(temp_upload_file.path)}")
+    assert_equal 'abc', file.raw_data
+    Precious::App.set(:wiki_options, {allow_uploads: false, per_page_uploads: false})
+  end
+  
+  
   test "guard against uploading an existing file" do
     temp_upload_file = Tempfile.new(['upload', '.file']) << 'abc'
     temp_upload_file.close
@@ -953,7 +966,7 @@ context 'Frontend with base path' do
   test 'base path mathjax assets' do
     get '/wiki/Home'
     assert last_response.ok?
-    assert last_response.body.include?('<script defer src="/wiki/gollum/assets/mathjax/MathJax.js')
+    assert last_response.body.include?('<script defer src="/wiki/gollum/assets/mathjax/MathJax.js?config=')
   end
   
   test 'compare view' do

test/test_migrate.rb

@@ -44,7 +44,7 @@ def load_script(**args)
   end  
 end
 
-unless ENV['TRAVIS']
+unless ENV['CI']
 
   context '4.x -> 5.x tag migrator' do
     include Rack::Test::Methods

test/test_page_view.rb

@@ -38,7 +38,31 @@ context "Precious::Views::Page" do
     assert_include @view.breadcrumb, "数学 📘"
   end
 
-  test "page header retains unicde and ASCII characters" do
+  test 'page <title> is the page header from content, if present' do
+    page_title = 'Page header from content'
+    @wiki.write_page(page_title, :markdown, 'Contents', commit_details)
+
+    @view = Precious::Views::Page.new.tap do |view|
+      view.instance_variable_set :@page, @wiki.page(page_title)
+      view.instance_variable_set :@h1_title, true
+    end
+
+    assert_equal @view.title, 'Page header from content'
+  end
+
+  test 'page <title> is URL path title if no h1 present' do
+    @wiki.write_page('dir/My path title', :markdown, 'Contents', commit_details)
+    page = @wiki.page('dir/My path title')
+
+    @view = Precious::Views::Page.new.tap do |view|
+      view.instance_variable_set :@page, page
+      view.instance_variable_set :@h1_title, false
+    end
+
+    assert_equal @view.title, 'My path title'
+  end
+
+  test "page header retains unicode and ASCII characters" do
     title = "数学 📘"
     @wiki.write_page(title, :markdown, "How old is Bilbo?")
     page = @wiki.page(title)

test/test_template_cascade.rb

@@ -0,0 +1,43 @@
+# ~*~ encoding: utf-8 ~*~
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
+
+class TestTemplateCascade < Minitest::Unit::TestCase
+  include Rack::Test::Methods
+
+  def setup
+    @path = cloned_testpath('examples/lotr.git')
+    Precious::App.set(:gollum_path, @path)
+    Precious::App.set(:wiki_options, {template_dir: testpath('examples/template_cascade')})
+    @wiki = Gollum::Wiki.new(@path)
+  end
+
+  def teardown
+    FileUtils.rm_rf(@path)
+  end
+
+  def app
+    Precious::App
+  end
+
+  def test_overridden_page_template_is_used
+    get '/Home'
+
+    assert last_response.body.include?('PAGE_OVERRIDE')
+  end
+
+  def test_overridden_navbar_partial_is_used
+    get '/Home'
+
+    assert last_response.body.include?('NAVBAR_OVERRIDE')
+  end
+
+  def test_overridden_templates_are_ignore_without_template_dir_set
+    Precious::App.set(:wiki_options, {template_dir: nil})
+
+    get '/Home'
+    assert_equal '/Home', last_request.fullpath
+    assert last_response.ok?
+    assert_no_match /PAGE_OVERRIDE/, last_response.body
+    assert_no_match /NAVBAR_OVERRIDE/, last_response.body
+  end
+end