[Upstream] Cherry-pick some changes from 6f7d4b3d

* https on most links (it's not needed for localhost)
* remove github workflow
* update Travis and Rake files (not used here, but could be used in the 
future)
* Indent correctly _config.yml

https://github.com/sergiokopplin/indigo/commit/6f7d4b3d3473db330a3ceeb8cacd3207aeb42e6b

.github/workflows/main.yml

-name: Jekyll Deploy
-
-on:
-    push:
-        branches:
-            - master
-
-jobs:
-    build_and_deploy:
-        runs-on: ubuntu-latest
-        steps:
-            - uses: actions/checkout@v1
-            - name: Build & Deploy to GitHub Pages
-              env:
-                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-                  GITHUB_REPOSITORY: ${{ github.GITHUB_REPOSITORY }}
-                  GITHUB_ACTOR: ${{ github.GITHUB_ACTOR }}
-              uses: sylvainmetayer/jekyll-deploy-gh-pages@master

.travis.yml

 language: ruby
 rvm:
- - 2.2.5
+ - 2.6.3
 
 before_script:
- - chmod +x travis.sh
+ - chmod +x ./script/cibuild
 
-script: ./travis.sh
+script: ./script/cibuild
 
 env:
   global:
@@ -14,4 +14,3 @@ env:
 branches:
   only:
     - gh-pages
-    - next

FAQ.md

 # FAQ:
 
-- Article: How to Install Jekyll - by [Arti Annaswamy](https://github.com/aannasw). [Part 1](http://artiannaswamy.com/build-a-github-blog-part-1) and [Part 2](http://artiannaswamy.com/build-a-github-blog-part-2)
+- Article: How to Install Jekyll - by [Arti Annaswamy](https://github.com/aannasw). [Part 1](https://artiannaswamy.com/build-a-github-blog-part-1) and [Part 2](https://artiannaswamy.com/build-a-github-blog-part-2)
 - [How to build and run a Jekyll site in a Docker container](https://mehmandarov.com/disposable-docker-containers/)
 - [Emojis in the projects list?](https://github.com/sergiokopplin/indigo/issues/72)
 - [Nokogiri dependencie problems?](https://github.com/sergiokopplin/indigo/issues/81)
 - [Syncing a Fork](https://help.github.com/articles/syncing-a-fork/)
-- [Tests with Travis CI - Tutorial](http://www.raywenderlich.com/109418/travis-ci-tutorial)
+- [Tests with Travis CI - Tutorial](https://www.raywenderlich.com/109418/travis-ci-tutorial)
 - [Why Sass?](https://github.com/sergiokopplin/indigo/issues/117)
 - [Jekyll Example](https://github.com/barryclark/jekyll-now) - how to clone, run and edit jekyll configs

Gemfile

-source 'http://rubygems.org'
+source 'https://rubygems.org'
 
 group :jekyll_plugins do
     gem 'jekyll', "~> 4.0"

Rakefile

-require 'html/proofer'
+#!/usr/bin/env ruby
 
-# rake test
-desc "build and test website"
-
-task :test do
-  sh "bundle exec jekyll build"
-  HTML::Proofer.new("_site", {:href_ignore=> ['http://localhost:4000'], :verbose => true}).run
-end
+require 'html-proofer'
+HTMLProofer.check_directory("./_site").run

_config.yml

@@ -52,67 +52,67 @@ gitlab: https://gitlab.utc.fr/elus_etu/
 # email: myemail@gmail.com
 
 authors:
-    eluscevu:
-        name: Élu·e·s étu CÉVU
-        external-image: false
-        picture: assets/images/profile_pictures/CEVU.png
-        email: eluscevu@utc.fr
-    elusca:
-        name: Élu·e·s étu CA
-        external-image: false
-        picture: assets/images/profile_pictures/CA.png
-        email: elusca@utc.fr
-    elusced:
-        name: Élu·e·s étu CED
-        external-image: false
-        picture: assets/images/profile_pictures/CED.png
-        # email: elusced@utc.fr
-    eluscpm:
-        name: Élu·e·s étu CPM
-        external-image: false
-        picture: assets/images/profile_pictures/CPM.png
-        # email: eluscpm@utc.fr
-    eluscs:
-        name: Élu·e·s étu CS
-        external-image: false
-        picture: assets/images/profile_pictures/CS.png
-        # email: eluscs@utc.fr
-    elusgi:
-        name: Élu·e·s étu GI
-        external-image: false
-        picture: assets/images/profile_pictures/GI.png
-        email: elusgi@utc.fr
-    elusgu:
-        name: Élu·e·s étu GU
-        external-image: false
-        picture: assets/images/profile_pictures/GU.png
-        email: elusgu@utc.fr
-    elusgp:
-        name: Élu·e·s étu GP
-        external-image: false
-        picture: assets/images/profile_pictures/GP.png
-        email: elusgp@utc.fr
-    elusgb:
-        name: Élu·e·s étu GB
-        external-image: false
-        picture: assets/images/profile_pictures/GB.png
-        email: elusgb@utc.fr
-    elusim:
-        name: Élu·e·s étu IM
-        external-image: false
-        picture: assets/images/profile_pictures/IM.png
-        email: elusim@utc.fr
-    elustc:
-        name: Élu·e·s étu TC
-        external-image: false
-        picture: assets/images/profile_pictures/TC.png
-        # email: elustc@utc.fr
-    amaldona:
-        name: Andrés Maldonado
-        bio: Élu CÉVU/GI
-        external-image: false
-        picture: assets/images/profile_pictures/amaldona.png
-        email: amaldona@etu.utc.fr
+  eluscevu:
+    name: Élu·e·s étu CÉVU
+    external-image: false
+    picture: assets/images/profile_pictures/CEVU.png
+    email: eluscevu@utc.fr
+  elusca:
+    name: Élu·e·s étu CA
+    external-image: false
+    picture: assets/images/profile_pictures/CA.png
+    email: elusca@utc.fr
+  elusced:
+    name: Élu·e·s étu CED
+    external-image: false
+    picture: assets/images/profile_pictures/CED.png
+    # email: elusced@utc.fr
+  eluscpm:
+    name: Élu·e·s étu CPM
+    external-image: false
+    picture: assets/images/profile_pictures/CPM.png
+    # email: eluscpm@utc.fr
+  eluscs:
+    name: Élu·e·s étu CS
+    external-image: false
+    picture: assets/images/profile_pictures/CS.png
+    # email: eluscs@utc.fr
+  elusgi:
+    name: Élu·e·s étu GI
+    external-image: false
+    picture: assets/images/profile_pictures/GI.png
+    email: elusgi@utc.fr
+  elusgu:
+    name: Élu·e·s étu GU
+    external-image: false
+    picture: assets/images/profile_pictures/GU.png
+    email: elusgu@utc.fr
+  elusgp:
+    name: Élu·e·s étu GP
+    external-image: false
+    picture: assets/images/profile_pictures/GP.png
+    email: elusgp@utc.fr
+  elusgb:
+    name: Élu·e·s étu GB
+    external-image: false
+    picture: assets/images/profile_pictures/GB.png
+    email: elusgb@utc.fr
+  elusim:
+    name: Élu·e·s étu IM
+    external-image: false
+    picture: assets/images/profile_pictures/IM.png
+    email: elusim@utc.fr
+  elustc:
+    name: Élu·e·s étu TC
+    external-image: false
+    picture: assets/images/profile_pictures/TC.png
+    # email: elustc@utc.fr
+  amaldona:
+    name: Andrés Maldonado
+    bio: Élu CÉVU/GI
+    external-image: false
+    picture: assets/images/profile_pictures/amaldona.png
+    email: amaldona@etu.utc.fr
 
 # do you want a larger site? change the option below
 # options: [normal, large] | default: normal
@@ -121,11 +121,11 @@ width: normal
 
 # if you do/don't need pagination, toggle 'enabled' between true/false below
 pagination:
-    enabled: false
-    sort_reverse: true # display recent posts first
-    title: ':title' # Changing this will mess up the header display logic
-    per_page: 5
-    permalink: "/:num/" # pagination link that will be appended
+  enabled: false
+  sort_reverse: true # display recent posts first
+  title: ':title' # Changing this will mess up the header display logic
+  per_page: 5
+  permalink: "/:num/" # pagination link that will be appended
 
 # if you don't need projects, comment the *projects* configs below
 projects: true
@@ -154,8 +154,7 @@ animation: true
 
 # add default values to specific pages or layouts
 defaults:
-  -
-    scope:
+  - scope:
       path: "" # an empty string here means all files in the project
       layout: "post"
     values:
@@ -174,9 +173,18 @@ plugins:
 
 
 compress_html:
-    ignore:
-        envs:
-        - development
-        - stage
-
-exclude: ["travis.sh", "Rakefile", "README.md", "Gemfile", "Gemfile.lock", "FAQ.md", "node_modules", "vendor"]
+  ignore:
+    envs:
+      - development
+      - stage
+
+exclude:
+  [
+    "travis.sh",
+    "README.md",
+    "Gemfile",
+    "Gemfile.lock",
+    "FAQ.md",
+    "node_modules",
+    "vendor",
+  ]

_includes/disqus.html

@@ -14,6 +14,6 @@
             (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
         })();
     </script>
-    <noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
-    <a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>
+    <noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
+    <a href="https://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>
 </section>

_layouts/compress.html

 ---
 # Jekyll layout that compresses HTML
 # v3.1.0
-# http://jch.penibelst.de/
+# https://jch.penibelst.de/
 # © 2014–2015 Anatol Broder
 # MIT License
 ---

travis.sh → script/cibuild

 #!/usr/bin/env bash
 set -e # halt script on error
 
-echo 'Testing travis...'
 bundle exec jekyll build
-bundle exec htmlproofer ./_site --http-status-ignore "403"
+bundle exec htmlproofer ./_site --disable-external