Update Broken Links / Migrate to HTTPS

Author: maennchen

.github/workflows/check-links.yml

@@ -0,0 +1,32 @@
+name: Check Links
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  schedule:
+    - cron: '0 8 * * 1'
+
+jobs:
+  check-links:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+
+      - name: Build site
+        run: bundle exec jekyll build
+
+      - name: Restore htmlproofer cache
+        uses: actions/cache@v4
+        with:
+          path: tmp/.htmlproofer
+          key: htmlproofer-${{ runner.os }}-${{ hashFiles('tmp/.htmlproofer/cache.json') }}
+          restore-keys: htmlproofer-${{ runner.os }}-
+
+      - name: Check links
+        run: _scripts/check-links

.gitignore

@@ -3,4 +3,5 @@
 /downloads/cheatsheets/*.aux
 /downloads/cheatsheets/*.log
 /.bundle
-/vendor
+/vendor
+/tmp

Gemfile

@@ -6,3 +6,4 @@ gem 'webrick', '>= 1.8'
 gem 'csv', '~> 3.3'
 gem 'base64', '~> 0.2.0'
 gem 'bigdecimal', '~> 3.1'
+gem 'html-proofer', '~> 5.0'

Gemfile.lock

@@ -1,61 +1,81 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.2.3.1)
+    Ascii85 (2.0.1)
+    activesupport (8.1.3)
       base64
-      benchmark (>= 0.3)
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      json
       logger (>= 1.4.2)
-      minitest (>= 5.1, < 6)
+      minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
+    afm (1.0.0)
+    async (2.39.0)
+      console (~> 1.29)
+      fiber-annotation
+      io-event (~> 1.11)
+      metrics (~> 0.12)
+      traces (~> 0.18)
     base64 (0.2.0)
     benchmark (0.5.0)
-    bigdecimal (3.1.9)
+    bigdecimal (3.3.1)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.11.1)
+    coffee-script-source (1.12.2)
     colorator (1.1.0)
-    commonmarker (0.23.10)
+    commonmarker (0.23.12)
     concurrent-ruby (1.3.6)
     connection_pool (3.0.2)
-    csv (3.3.3)
-    dnsruby (1.61.9)
-      simpleidn (~> 0.1)
+    console (1.35.1)
+      fiber-annotation
+      fiber-local (~> 1.1)
+      json
+    csv (3.3.5)
+    dnsruby (1.73.1)
+      base64 (>= 0.2)
+      logger (~> 1.6)
+      simpleidn (~> 0.2.1)
     drb (2.2.3)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    ethon (0.16.0)
+    ethon (0.18.0)
       ffi (>= 1.15.0)
+      logger
     eventmachine (1.2.7)
-    execjs (2.8.1)
+    execjs (2.10.1)
     faraday (2.14.2)
       faraday-net_http (>= 2.0, < 3.5)
       json
       logger
-    faraday-net_http (3.4.2)
+    faraday-net_http (3.4.3)
       net-http (~> 0.5)
-    ffi (1.15.5)
+    ffi (1.17.4)
+    fiber-annotation (0.2.0)
+    fiber-local (1.1.0)
+      fiber-storage
+    fiber-storage (1.0.1)
     forwardable-extended (2.6.0)
-    gemoji (3.0.1)
-    github-pages (228)
-      github-pages-health-check (= 1.17.9)
-      jekyll (= 3.9.3)
-      jekyll-avatar (= 0.7.0)
-      jekyll-coffeescript (= 1.1.1)
-      jekyll-commonmark-ghpages (= 0.4.0)
-      jekyll-default-layout (= 0.1.4)
-      jekyll-feed (= 0.15.1)
+    gemoji (4.1.0)
+    github-pages (232)
+      github-pages-health-check (= 1.18.2)
+      jekyll (= 3.10.0)
+      jekyll-avatar (= 0.8.0)
+      jekyll-coffeescript (= 1.2.2)
+      jekyll-commonmark-ghpages (= 0.5.1)
+      jekyll-default-layout (= 0.1.5)
+      jekyll-feed (= 0.17.0)
       jekyll-gist (= 1.5.0)
-      jekyll-github-metadata (= 2.13.0)
+      jekyll-github-metadata (= 2.16.1)
       jekyll-include-cache (= 0.2.1)
       jekyll-mentions (= 1.6.0)
       jekyll-optional-front-matter (= 0.3.2)
@@ -82,30 +102,44 @@ GEM
       jekyll-theme-tactile (= 0.2.0)
       jekyll-theme-time-machine (= 0.2.0)
       jekyll-titles-from-headings (= 0.5.3)
-      jemoji (= 0.12.0)
-      kramdown (= 2.3.2)
+      jemoji (= 0.13.0)
+      kramdown (= 2.4.0)
       kramdown-parser-gfm (= 1.1.0)
       liquid (= 4.0.4)
       mercenary (~> 0.3)
       minima (= 2.5.1)
-      nokogiri (>= 1.13.6, < 2.0)
-      rouge (= 3.26.0)
+      nokogiri (>= 1.16.2, < 2.0)
+      rouge (= 3.30.0)
       terminal-table (~> 1.4)
-    github-pages-health-check (1.17.9)
+      webrick (~> 1.8)
+    github-pages-health-check (1.18.2)
       addressable (~> 2.3)
       dnsruby (~> 1.60)
-      octokit (~> 4.0)
-      public_suffix (>= 3.0, < 5.0)
+      octokit (>= 4, < 8)
+      public_suffix (>= 3.0, < 6.0)
       typhoeus (~> 1.3)
+    hashery (2.1.2)
     html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    http_parser.rb (0.8.0)
+    html-proofer (5.2.1)
+      addressable (~> 2.3)
+      async (~> 2.1)
+      benchmark (~> 0.5)
+      nokogiri (~> 1.13)
+      pdf-reader (~> 2.11)
+      rainbow (~> 3.0)
+      typhoeus (~> 1.3)
+      yell (~> 2.0)
+      zeitwerk (~> 2.5)
+    http_parser.rb (0.8.1)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.3)
+    io-event (1.16.1)
+    jekyll (3.10.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
+      csv (~> 3.0)
       em-websocket (~> 0.5)
       i18n (>= 0.7, < 2)
       jekyll-sass-converter (~> 1.0)
@@ -116,27 +150,28 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-avatar (0.7.0)
+      webrick (>= 1.0)
+    jekyll-avatar (0.8.0)
       jekyll (>= 3.0, < 5.0)
-    jekyll-coffeescript (1.1.1)
+    jekyll-coffeescript (1.2.2)
       coffee-script (~> 2.2)
-      coffee-script-source (~> 1.11.1)
+      coffee-script-source (~> 1.12)
     jekyll-commonmark (1.4.0)
       commonmarker (~> 0.22)
-    jekyll-commonmark-ghpages (0.4.0)
-      commonmarker (~> 0.23.7)
-      jekyll (~> 3.9.0)
+    jekyll-commonmark-ghpages (0.5.1)
+      commonmarker (>= 0.23.7, < 1.1.0)
+      jekyll (>= 3.9, < 4.0)
       jekyll-commonmark (~> 1.4.0)
       rouge (>= 2.0, < 5.0)
-    jekyll-default-layout (0.1.4)
-      jekyll (~> 3.0)
-    jekyll-feed (0.15.1)
+    jekyll-default-layout (0.1.5)
+      jekyll (>= 3.0, < 5.0)
+    jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
-    jekyll-github-metadata (2.13.0)
+    jekyll-github-metadata (2.16.1)
       jekyll (>= 3.4, < 5.0)
-      octokit (~> 4.0, != 4.4.0)
+      octokit (>= 4, < 7, != 4.4.0)
     jekyll-include-cache (0.2.1)
       jekyll (>= 3.7, < 5.0)
     jekyll-mentions (1.6.0)
@@ -207,27 +242,31 @@ GEM
       jekyll (>= 3.3, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jemoji (0.12.0)
-      gemoji (~> 3.0)
+    jemoji (0.13.0)
+      gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (2.6.3)
-    kramdown (2.3.2)
+    json (2.19.7)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.4)
-    listen (3.8.0)
+    listen (3.10.0)
+      logger
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
     mercenary (0.3.6)
+    metrics (0.15.0)
     mini_portile2 (2.8.9)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.27.0)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
     net-http (0.9.1)
       uri (>= 0.11.1)
     nokogiri (1.19.3)
@@ -238,38 +277,48 @@ GEM
       sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.7)
+    pdf-reader (2.15.1)
+      Ascii85 (>= 1.0, < 3.0, != 2.0.0)
+      afm (>= 0.2.1, < 2)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
+    prism (1.9.0)
+    public_suffix (5.1.1)
     racc (1.8.1)
+    rainbow (3.1.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.4.2)
-    rouge (3.26.0)
-    rubyzip (2.3.2)
+    rexml (3.4.4)
+    rouge (3.30.0)
+    ruby-rc4 (0.1.5)
+    rubyzip (2.4.1)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.9.2)
+    sawyer (0.9.3)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
     securerandom (0.4.1)
-    simpleidn (0.2.1)
-      unf (~> 0.1.4)
+    simpleidn (0.2.3)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    typhoeus (1.4.0)
-      ethon (>= 0.9.0)
+    traces (0.18.2)
+    ttfunk (1.8.0)
+      bigdecimal (~> 3.1)
+    typhoeus (1.6.0)
+      ethon (>= 0.18.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
     uri (1.1.1)
-    webrick (1.8.2)
+    webrick (1.9.2)
+    yell (2.2.2)
+    zeitwerk (2.8.2)
 
 PLATFORMS
   ruby
@@ -279,8 +328,9 @@ DEPENDENCIES
   bigdecimal (~> 3.1)
   csv (~> 3.3)
   github-pages
+  html-proofer (~> 5.0)
   json (>= 2.0.0)
   webrick (>= 1.8)
 
 BUNDLED WITH
-   2.5.23
+   2.7.2

README.md

@@ -15,15 +15,15 @@ it, nice instructions are available
 #### 2. Install Ruby
 
 This website is compiled into a static website using
-[Jekyll](http://jekyllrb.com), a static-site generator written in Ruby. To
+[Jekyll](https://jekyllrb.com), a static-site generator written in Ruby. To
 install Ruby you can follow [this
 guide](https://www.ruby-lang.org/en/documentation/installation/). To check that
 Ruby is installed correctly, run `ruby --version` in your shell; it should be
 `1.9.3` or later.
 
 #### 3. Install Bundler to manage dependencies
 
-[Bundler](http://bundler.io) handles Ruby dependencies. To install it, simply
+[Bundler](https://bundler.io) handles Ruby dependencies. To install it, simply
 run:
 
 ```bash
@@ -63,8 +63,8 @@ guide](https://github.com/elixir-lang/elixir/#contributing).
 
 * "Elixir" and the Elixir logo are registered trademarks of the Elixir team. See [our trademark policy](https://elixir-lang.org/trademarks).
 
-* The HTML and CSS are copyrighted to [AlienWp](http://alienwp.com/) under [GPL license, version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html).
+* The HTML and CSS are copyrighted to [AlienWp](https://alienwp.com/) under [GPL license, version 2](https://www.gnu.org/licenses/old-licenses/gpl-2.0.html).
 
-* The Social Icons are copyrighted to [Xeloader](http://xeloader.deviantart.com/art/Socialis-2-Freebie-213292616).
+* The Social Icons are copyrighted to [Xeloader](https://xeloader.deviantart.com/art/Socialis-2-Freebie-213292616).
 
-* The written textual contents available in the guides and blog are licensed under [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0).
+* The written textual contents available in the guides and blog are licensed under [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0).

_includes/important-links.html

@@ -28,8 +28,8 @@ <h3 class="widget-title">Join the Community</h3>
     <li><a class="spec" href="https://hex.pm">Hex.pm package manager</a></li>
     <li><a class="spec" href="https://twitter.com/elixirlang">@elixirlang on Twitter</a></li>
     <li><a class="spec" href="irc://irc.libera.chat/elixir">#elixir on irc.libera.chat</a></li>
-    <li><a class="spec" href="http://elixirforum.com">Elixir Forum</a></li>
-    <li><a class="spec" href="https://elixir-slack.community">Elixir on Slack</a></li>
+    <li><a class="spec" href="https://elixirforum.com">Elixir Forum</a></li>
+    <li><a class="spec" href="https://elixir-lang.slack.com/join/shared_invite/zt-eivteker-k_nArD59XHjjN_r8qeH6dw#/shared-invite/email">Elixir on Slack</a></li>
     <li><a class="spec" href="https://discord.gg/elixir">Elixir on Discord</a></li>
     <li>
       <a class="spec" href="https://github.com/elixir-lang/elixir/wiki/Code-Editor-Support"