Add the relative_paths plugin so the site can be deployed in subdirectories

Signed-off-by: Addisu Z. Taddese <addisu@openrobotics.org>

Author: Addisu Z. Taddese

Rules

@@ -5,6 +5,8 @@
 compile '/**/*.html' do
   layout '/default.*'
 
+  filter :relativize_paths, type: :html5
+
   if item.identifier =~ '**/index.*'
     write item.identifier.to_s
   else
@@ -16,6 +18,7 @@ passthrough '/tutorials/**/*.png'
 
 compile '/tutorials/**/*.md' do
   layout '/default.html.erb'
+  filter :relativize_paths, type: :html5
 
   if item.identifier.to_s.end_with?('/index.md')
     write '/tutorials/index.html'
@@ -27,6 +30,7 @@ end
 compile '/**/*.erb' do
   filter :erb
   layout '/default.*'
+  filter :relativize_paths, type: :html5
 
   if item.identifier =~ '**/index.*'
     write item.identifier.without_ext + '.html'
@@ -37,6 +41,7 @@ end
 
 compile '/spec/**/*.spec' do
   layout '/spec.*'
+  filter :relativize_paths, type: :html5
   if item.identifier =~ '**/index.*'
     write item.identifier.without_ext + '.html'
   else
@@ -46,6 +51,7 @@ end
 
 compile '/**/*.css.scss' do
   filter :dart_sass, syntax: 'scss'
+  filter :relativize_paths, type: :css
   write item.identifier.without_ext
 end
 

layouts/_head.html.erb

@@ -20,7 +20,7 @@
   <link rel="stylesheet"  href="/vendor/assets/stylesheets/prettify.css" />
 
   <script src="/assets/javascripts/redirect_old_links.js" />
-  <%# <script src="/assets/javascripts/google_analytics.js" /> %>
+  <script src="/assets/javascripts/google_analytics.js" />
   <script src="/vendor/assets/javascripts/bootstrap-tree.js"></script>
   <script src="/vendor/assets/javascripts/jquery.tocify.js"></script>
 </head>

nanoc.yaml

@@ -17,3 +17,6 @@ data_sources:
     items_root: /spec
   - type: sdf_documentation
     items_root: /tutorials
+
+base_url: https://sdformat.org
+site_name: sdformat.org