From f08b53cedcdeadddec2603d5420041f701ced176 Mon Sep 17 00:00:00 2001
From: jeffreytse <jeffreytse.mail@gmail.com>
Date: Fri, 25 Jun 2021 14:21:18 +0800
Subject: [PATCH 1/3] feat: re-format copyright message and auto increase
 current year

---
 Gemfile                     | 1 +
 _config.yml                 | 4 +++-
 _includes/views/footer.html | 5 ++++-
 _sass/yat/_layout.scss      | 5 +++++
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Gemfile b/Gemfile
index bb94df82938..c031e2a52f7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,4 @@
 
 source "https://rubygems.org"
 gemspec
+
diff --git a/_config.yml b/_config.yml
index be2d4831da6..103af93b43b 100644
--- a/_config.yml
+++ b/_config.yml
@@ -27,7 +27,9 @@
 title: Your awesome title
 email: your-email@domain.com
 author: GitHub User
-copyright: Copyright © 1970-2010
+
+copyright: "Unpublished Work (cleft) 2017-{currentYear} {author}"
+
 description: >- # this means to ignore newlines until "baseurl:"
   Write an awesome description for your new site here. You can edit this
   line in _config.yml. It will appear in your document head meta (for
diff --git a/_includes/views/footer.html b/_includes/views/footer.html
index 86650e1b84a..f939d904623 100644
--- a/_includes/views/footer.html
+++ b/_includes/views/footer.html
@@ -3,7 +3,10 @@
 
   <div class="wrapper">
     <div class="site-footer-inner">
-      <div>{{ site.copyright }} {% if site.author %}@{{ site.author | escape }}{% endif %}</div>
+      <div>{% assign currYear = 'now' | date: "%Y" %}
+        {% assign currYearVar = '{currentYear}' %}
+        {% assign authorVar = '{author}' %}
+        {{ site.copyright | replace: '(c)', '&copy;' | replace: '(p)', '℗' | replace: '(cleft)', '<span class="copyleft">&copy;</span>' | replace: currYearVar, currYear | replace: authorVar, site.author}}</div>
       <div>Powered by <a title="Jekyll is a simple, blog-aware, static site
       generator." href="http://jekyllrb.com/">Jekyll</a> &amp; <a title="Yat, yet
       another theme." href="https://github.com/jeffreytse/jekyll-theme-yat">Yat Theme</a>.</div>
diff --git a/_sass/yat/_layout.scss b/_sass/yat/_layout.scss
index 8bc081480e5..74751c66352 100644
--- a/_sass/yat/_layout.scss
+++ b/_sass/yat/_layout.scss
@@ -210,6 +210,11 @@ html {
   }
 }
 
+.copyleft {
+  display: inline-block;
+  transform: rotate(180deg);
+}
+
 /**
  * Post header
  */

From f667cd80f5e062b476eb66a53fbfe51a97f92da9 Mon Sep 17 00:00:00 2001
From: JT <jeffreytse.mail@gmail.com>
Date: Tue, 29 Jun 2021 10:20:40 +0800
Subject: [PATCH 2/3] docs: add comment for copyright setting

This comment is crucial, especially for newcomers.
---
 _config.yml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/_config.yml b/_config.yml
index 103af93b43b..aefe93acb96 100644
--- a/_config.yml
+++ b/_config.yml
@@ -28,6 +28,18 @@ title: Your awesome title
 email: your-email@domain.com
 author: GitHub User
 
+# Copyright setting
+# You can use any html code, currently below placeholders are available:
+# * current year: {currentYear}
+# * author: {author} (Value is the same as site.author)
+# * copyright: (c) - ©
+# * copyleft: (cleft)
+# * sound recording copyright: (p) - ℗ 
+#
+# For example:
+#   "Copyright (c) 2017-{currentYear} <a href="https://example.com">{author}</a>"
+#   "Copyright © 2017-2021 Foobar"
+#
 copyright: "Unpublished Work (cleft) 2017-{currentYear} {author}"
 
 description: >- # this means to ignore newlines until "baseurl:"

From d0829964f7c3d5185fc27105d48d65405dc73a61 Mon Sep 17 00:00:00 2001
From: JT <jeffreytse.mail@gmail.com>
Date: Tue, 29 Jun 2021 10:28:42 +0800
Subject: [PATCH 3/3] refactor: better liquid code format

---
 _includes/views/footer.html | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/_includes/views/footer.html b/_includes/views/footer.html
index f939d904623..78f2f6dd9c5 100644
--- a/_includes/views/footer.html
+++ b/_includes/views/footer.html
@@ -3,10 +3,15 @@
 
   <div class="wrapper">
     <div class="site-footer-inner">
-      <div>{% assign currYear = 'now' | date: "%Y" %}
-        {% assign currYearVar = '{currentYear}' %}
-        {% assign authorVar = '{author}' %}
-        {{ site.copyright | replace: '(c)', '&copy;' | replace: '(p)', '℗' | replace: '(cleft)', '<span class="copyleft">&copy;</span>' | replace: currYearVar, currYear | replace: authorVar, site.author}}</div>
+      <div>
+        {%- assign currYear = 'now' | date: "%Y" -%}
+        {{ site.copyright
+            | replace: '{currentYear}', currYear
+            | replace: '{author}', site.author
+            | replace: '(c)', '&copy;'
+            | replace: '(p)', '℗'
+            | replace: '(cleft)', '<span class="copyleft">&copy;</span>'
+        }}</div>
       <div>Powered by <a title="Jekyll is a simple, blog-aware, static site
       generator." href="http://jekyllrb.com/">Jekyll</a> &amp; <a title="Yat, yet
       another theme." href="https://github.com/jeffreytse/jekyll-theme-yat">Yat Theme</a>.</div>