CI testing and Travis integration

* Remove links from README

* Add html-proofer to gem

* Add travis configuration

* Link to script called cibuild.sh

* SSL fix

* Try libcurl4-openssl-dev

* Cache bundler

Author: bvhme

.travis.yml

@@ -0,0 +1,22 @@
+language: ruby
+rvm:
+- 2.4.0
+
+# Assume bundler is being used, therefore
+# the `install` step will run `bundle install` by default.
+script: ./script/cibuild.sh
+
+env:
+  global:
+  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer
+
+# Upgrade the SSL otherwise outwards connections will fail
+addons:
+  apt:
+    packages:
+      - libcurl4-openssl-dev
+
+sudo: false # route your build to the container-based infrastructure for a faster build
+
+# Cache the budler results so repeat builds get some speed
+cache: bundler

Gemfile

@@ -1,2 +1,3 @@
 source "https://rubygems.org"
 gem 'github-pages', group: :jekyll_plugins
+gem 'html-proofer'

README.md

@@ -18,9 +18,9 @@ $ bundle install
 ```bash
 $ bundle exec jekyll serve
 ```
-2. You can now view the website locally on <http://127.0.0.1:4000>
+2. You can now view the website locally on `http://localhost:4000`
 
-The server will rebuild the site every time a file changes, with the exception of [`_config.yml`](_config.yml).
+The server will rebuild the site every time a file changes, with the exception of `_config.yml`.
 
 # License
 

_config.yml

@@ -4,10 +4,15 @@
 # Jekyll plugins that are supported by GitHub pages
 plugins:
   - jekyll-remote-theme
+  - jekyll-feed
 
 # Also render the README to HTML even if there is an index.md
 include:
   - README.md
 
+# Exclude the `vendor` folder created by Travis
+exclude:
+  - vendor
+
 # Use the Foundation For Public Code Jekyll theme
 remote_theme: publiccodenet/jekyll-theme

script/cibuild.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+./script/test.sh

script/test.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -e # halt script on error
+
+# Build the site
+bundle exec jekyll build
+
+# Check for broken links and missing alt tags, ignore edit links to GitHub as they might not exist yet
+bundle exec htmlproofer --url-ignore "/github.com/(.*)/edit/" ./_site