v0.1.2 -- actually check if the files are the same and ruby 3 support

jekyll-hardlinks.gemspec

 Gem::Specification.new do |spec|
   spec.name          = 'jekyll-hardlinks'
-  spec.version       = '0.1.1'
+  spec.version       = '0.1.2'
   spec.authors       = %w[f]
   spec.email         = %w[f@sutty.nl]
 
@@ -8,7 +8,6 @@ Gem::Specification.new do |spec|
   spec.description   = 'Jekyll copies static files and duplicates storage use. Hard links point to the same file instead of making copies, thus saving storage.'
   spec.homepage      = "https://0xacab.org/sutty/jekyll/#{spec.name}"
   spec.license       = 'GPL-3.0'
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.3.0')
 
   spec.metadata = {
     'bug_tracker_uri' => "#{spec.homepage}/issues",
@@ -30,7 +29,7 @@ Gem::Specification.new do |spec|
     '--quiet'
   ]
 
-  spec.required_ruby_version = '~> 2'
+  spec.required_ruby_version = '>= 2.6'
 
   spec.add_dependency 'jekyll', '~> 4'
 end

lib/jekyll/static_file.rb

@@ -11,7 +11,7 @@ module Jekyll
       # replace it with one.  This is useful when migrating from a site
       # already built without this plugin.
       if File.exist? dest_path
-        return if hardlink? dest_path
+        return if hardlink? dest_path, path
         FileUtils.rm dest_path
       end
 
@@ -23,9 +23,9 @@ module Jekyll
 
     private
 
-    # Verifies the path has hardlinks
-    def hardlink?(path)
-      File.stat(path).nlink > 1
+    # Verifies the files are the same by checking their inode
+    def hardlink?(dest_path, path)
+      File.stat(path).ino == File.stat(dest_path).ino
     end
   end
 end