Enforce explicit HTTPS links

Author: PeterJCLaw

Rakefile

@@ -115,11 +115,10 @@ task :validate_links => [:build] do
   # Explanation of arguments:
   # --disable-external    # For speed. Ideally we'd check external links too, but ignoring for now.
   # --ignore-missing-alt  # To avoid needing to fix lots upfront, we can migrate towards this later.
-  # --enforce-https       # To avoid needing to fix lots upfront, we can migrate towards this later.
   # --allow-hash-href     # Allow empty `#` links to mean "top of page". It's true that these can be errors, however we have far too many to really address this.
   # --allow-missing-href  # Allow missing hrefs as we use them in the troubleshooter and rules (as anchors). It's true that these can be errors, however we have plenty which are legitimate.
   # --swap-urls           # Adjust for Jekyll's baseurl. See https://github.com/gjtorikian/html-proofer/issues/618 for more.
-  sh('bundle exec htmlproofer _site --disable-external true --ignore-missing-alt true --enforce-https false --allow-hash-href true --allow-missing-href true --swap-urls "^/docs/:/"')
+  sh('bundle exec htmlproofer _site --disable-external true --ignore-missing-alt true --allow-hash-href true --allow-missing-href true --swap-urls "^/docs/:/"')
 end
 
 task :validate_sidebar_tree => [:build] do

_config.yml

@@ -14,9 +14,9 @@ plugins:
   - jekyll-redirect-from
 
 links:
-  compete: //docs.google.com/forms/d/1Ryg2cfAxfwMOBnT01aj-fzsp51F3B182S5e53ye8aMw/viewform
-  volunteer: //docs.google.com/forms/d/1MIGf3P30dw0QAtP8OkxK2v7VRDEAN_54JoZHCVMbqDY/viewform
-  donate: //link.justgiving.com/v1/charity/donate/charityId/3118662?tipScheme=TipJar2.1&isRecurring=true&amount=20.00&reference=givingcheckout_tj21
+  compete: https://docs.google.com/forms/d/1Ryg2cfAxfwMOBnT01aj-fzsp51F3B182S5e53ye8aMw/viewform
+  volunteer: https://docs.google.com/forms/d/1MIGf3P30dw0QAtP8OkxK2v7VRDEAN_54JoZHCVMbqDY/viewform
+  donate: https://link.justgiving.com/v1/charity/donate/charityId/3118662?tipScheme=TipJar2.1&isRecurring=true&amount=20.00&reference=givingcheckout_tj21
 
 navigation:
   - about

_includes/footer.html

@@ -37,13 +37,13 @@ <h4>Student Robotics</h4>
       <p>&nbsp;</p>
       <p>
         The fantastic photos come from
-        <a href="//www.flickr.com/photos/richardpbarlow/">Richard Barlow</a>,
-        <a href="//www.flickr.com/photos/howiegoing/">Howard Buck</a>,
-        <a href="//www.flickr.com/photos/theorangeone/">Jake Howard</a>,
+        <a href="https://www.flickr.com/photos/richardpbarlow/">Richard Barlow</a>,
+        <a href="https://www.flickr.com/photos/howiegoing/">Howard Buck</a>,
+        <a href="https://www.flickr.com/photos/theorangeone/">Jake Howard</a>,
         Laurie Kirkcaldy,
         Anton Nikitin,
         Antoine Petty, and
-        <a href="http://www.headington.org/">Headington School Oxford</a>.
+        <a href="https://www.headington.org/">Headington School Oxford</a>.
       </p>
     </div>
     <div class="column d-6-12 text-right">

kit/brain_board/index.md

@@ -71,7 +71,7 @@ We recommend using [Etcher](https://etcher.io), as it's simple to use, and avail
 ![Etcher example]({{ site.baseurl }}/images/content/kit/etcher.png)
 
 <div class="info" markdown="1">
-If you choose to use a tool other than Etcher, you may need to extract the `srobo-robot-{{ latest_version }}.img.xz` to `srobo-robot-{{ latest_version }}.img`. There are many tools available for this, e.g. [7-zip](http://www.7-zip.org/).
+If you choose to use a tool other than Etcher, you may need to extract the `srobo-robot-{{ latest_version }}.img.xz` to `srobo-robot-{{ latest_version }}.img`. There are many tools available for this, e.g. [7-zip](https://www.7-zip.org/).
 </div>
 
 ### Flashing

programming/sr/ruggeduinos/custom_firmware.md

@@ -142,4 +142,4 @@ ser = serial.Serial(R.ignored_ruggeduinos[RUGGEDUINO_ID])
 
 ~~~~~
 
-Refer to the [pyserial documentation](http://pyserial.sourceforge.net/) for more information on how to use pyserial.
+Refer to the [pyserial documentation](https://pyserial.readthedocs.org/en/latest/) for more information on how to use pyserial.