From f74346432a4a46dde8ebae6c26519d3aabf7952f Mon Sep 17 00:00:00 2001
From: Piotr Spieker <orzechow@posteo.de>
Date: Thu, 28 Nov 2024 20:05:02 +0100
Subject: [PATCH] Add a lovely fork me on GitHub logo to the GitHub page

---
 docs/_includes/github-corner.html    | 27 +++++++++++++++++
 docs/_layouts/default.html           |  7 +++--
 docs/assets/_sass/github-corner.scss | 43 ++++++++++++++++++++++++++++
 docs/assets/css/style.scss           |  4 +++
 4 files changed, 79 insertions(+), 2 deletions(-)
 create mode 100644 docs/_includes/github-corner.html
 create mode 100644 docs/assets/_sass/github-corner.scss
diff --git a/docs/_includes/github-corner.html b/docs/_includes/github-corner.html
new file mode 100644
index 00000000..d98d33ad
--- /dev/null
+++ b/docs/_includes/github-corner.html
@@ -0,0 +1,27 @@
+<a href="{{ site.github.repository_url }}" class="github-corner" aria-label="View source on GitHub">
+  <svg
+    width="80"
+    height="80"
+    viewBox="0 0 250 250"
+    fill="#ffffff"
+    style="position: absolute; top: 0; right: 0"
+    version="1.1"
+    xmlns="http://www.w3.org/2000/svg"
+    xmlns:svg="http://www.w3.org/2000/svg">
+   <defs>
+     <clipPath
+        id="octo-arm-clip">
+       <path
+          style="-webkit-transform-origin: 130px 104px; transform-origin: 130px 104px"
+          d="M 130.5481,-165.77759 A 270.05054,270.05054 0 0 0 -139.50195,104.27246 270.05054,270.05054 0 0 0 130.5481,374.3225 270.05054,270.05054 0 0 0 400.59812,104.27246 270.05054,270.05054 0 0 0 130.5481,-165.77759 Z M 120.42236,72.766113 c 0.93743,-0.0063 2.26441,1.324462 2.26441,1.324462 4.05178,4.625078 2.17285,11.053469 2.17285,11.053469 -2.75131,10.431043 5.29968,14.758393 8.93555,16.101076 5.19351,1.3916 1.84837,10.58498 -6.30494,5.87768 -14.52942,-9.369731 -9.27734,-19.598387 -9.27734,-19.598387 3.0951,-6.935854 1.53809,-11.071776 1.53809,-11.071776 -0.55126,-2.870943 -0.0577,-3.681671 0.67138,-3.686524 z"
+          class="octo-arm" />
+     </clipPath>
+   </defs>
+   <path
+      fill-rule="evenodd"
+      clip-rule="evenodd"
+      d="M 250,0 H 0 l 114.46087,114.46086 c 2.33873,2.33874 3.92868,1.90279 5.0744,0.75707 1.00327,-1.00327 4.37184,-4.51252 7.95495,-8.09564 6.30277,-5.87719 0,0 6.30277,-5.87719 3.14963,-2.43916 6.22275,-3.234915 8.50628,-3.100385 -8.52737,-10.53392 -14.82926,-24.286929 1.79375,-40.909948 4.72883,-4.728834 10.30355,-6.891897 16.01543,-7.197887 0.64804,-1.500951 3.59718,-7.437935 11.89155,-11.036879 0,0 4.77368,2.480486 7.36319,16.247564 4.44872,2.554126 8.54157,5.683184 12.17292,9.306429 3.62708,3.627081 6.82243,7.826577 9.30555,12.172039 13.76795,2.590399 16.24844,7.364073 16.24844,7.364073 -3.59894,8.294366 -9.5368,11.24263 -11.03775,11.890669 -0.23476,5.783105 -2.46817,11.287475 -7.19701,16.016305 -16.62302,16.62303 -30.30393,10.24904 -40.98117,1.72254 0.20399,2.92628 -1.02437,6.85583 -5.10869,10.94015 -5.80333,5.80333 -10.53128,10.3906 -11.96365,11.82297 -1.1466,1.1466 -1.5754,2.74368 0.75619,5.07527 L 250,250 Z"
+      id="octo-cutout"
+      clip-path="url(#octo-arm-clip)" />
+  </svg>
+</a>
diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index b47ebdf8..f3f9c3f0 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -20,6 +20,8 @@
   <body>
     <a id="skip-to-content" href="#content">Skip to the content.</a>
 
+    {% include github-corner.html %}
+
     <header class="page-header" role="banner">
       <h1 class="project-name">{{ page.title | default: site.title | default: site.github.repository_name }}</h1>
       <h2 class="project-tagline">{{ page.description | default: site.description | default: site.github.project_tagline }}</h2>
@@ -85,9 +87,10 @@ <h2 class="project-tagline">{{ page.description | default: site.description | de
             <a href="https://github.com/allejo/jekyll-toc">allejo/jekyll-toc</a> and
             <br>
             snippets from
-            <a href="https://www.bram.us/2020/01/10/smooth-scrolling-sticky-scrollspy-navigation/">Bram.us</a>
-            as well as
+            <a href="https://www.bram.us/2020/01/10/smooth-scrolling-sticky-scrollspy-navigation/">Bram.us</a>,
             <a href="https://github.com/davidensinger/davidensinger.github.io">David Ensinger</a></span>
+            as well as
+            <a href="https://github.com/tholman/github-corners">Tim Holman</a></span>
             ❤️
           </span>
         </footer>
diff --git a/docs/assets/_sass/github-corner.scss b/docs/assets/_sass/github-corner.scss
new file mode 100644
index 00000000..7d479762
--- /dev/null
+++ b/docs/assets/_sass/github-corner.scss
@@ -0,0 +1,43 @@
+.github-corner svg {
+  clip-path: polygon(0 0, 100% 0, 100% 100%);
+}
+
+.github-corner:hover .octo-arm {
+  animation: octocat-wave 560ms ease-in-out;
+}
+
+@keyframes octocat-wave {
+  0% {
+      transform: rotate(0deg);
+  }
+
+  20% {
+      transform: rotate(-25deg);
+  }
+
+  40% {
+      transform: rotate(10deg);
+  }
+
+  60% {
+      transform: rotate(-25deg);
+  }
+
+  80% {
+      transform: rotate(10deg);
+  }
+
+  100% {
+      transform: rotate(0deg);
+  }
+}
+
+@media (max-width: 500px) {
+  .github-corner:hover .octo-arm {
+      animation: none;
+  }
+
+  .github-corner .octo-arm {
+      animation: octocat-wave 560ms ease-in-out;
+  }
+}
\ No newline at end of file
diff --git a/docs/assets/css/style.scss b/docs/assets/css/style.scss
index 46d302c0..4ec1b935 100644
--- a/docs/assets/css/style.scss
+++ b/docs/assets/css/style.scss
@@ -14,6 +14,10 @@
 // Add table of contents navbar
 @import 'toc';
 
+// Style GitHub octocat corner logo
+@import 'github-corner';
+
+
 #page-container {
   background-color: $section-bg-color;
 }
