Allow skipping social image generation

Author: gastaldi

.github/workflows/build.yml

@@ -54,7 +54,7 @@ jobs:
           ### In cases where you want to specify the cache key, enable the above 2 inputs
           ### Follows the format here https://github.com/actions/cache
           #
-          custom_opts: '--future --config _config.yml,_only_latest_guides_config.yml'
+          custom_opts: '--future --config _config.yml,_only_latest_guides_config.yml,_nosocialimages_config.yml'
           ### If you need to specify any Jekyll build options, enable the above input
           ### Flags accepted can be found here https://jekyllrb.com/docs/configuration/options/#build-command-options
 

_nosocialimages_config.yml

@@ -0,0 +1 @@
+skip_social_images: true

_plugins/social_images.rb

@@ -22,6 +22,13 @@ def social_image(text, page_path)
 
   class GenerateSocialImagesGenerator < Generator
     def generate(site)
+      # Check if skip_social_images is set to true
+      # If so, skip generating social images
+      # This is useful when running the site locally
+      if site.config['skip_social_images']
+        Jekyll.logger.info('Skipping social image generation')
+        return
+      end
       guides = Dir.glob(File.join(site.source, '_guides', '*.adoc'))
       output_dir = 'assets/images/social'
       FileUtils.mkdir_p(File.join(site.source, output_dir))