Add Dangerfile as ruby filename

[Danger][1] is a gem which runs ruby code defined in a `Dangerfile`. There are several examples of it available online [2], [3]. The syntax highlighting on GH properly detects them. So rouge probably should as well. [1]: https://danger.systems/ruby/ [2]: https://github.com/samdmarshall/danger/blob/master/Dangerfile [3]: https://github.com/artsy/eigen/blob/master/Dangerfile
rouge-ruby · Sep 24, 2018 · 4c6f1ff · 4c6f1ff
1 parent c2daa8d
commit 4c6f1ff
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/rouge/lexers/ruby.rb b/lib/rouge/lexers/ruby.rb
@@ -10,7 +10,8 @@ class Ruby < RegexLexer
       aliases 'rb'
       filenames '*.rb', '*.ruby', '*.rbw', '*.rake', '*.gemspec', '*.podspec',
                 'Rakefile', 'Guardfile', 'Gemfile', 'Capfile', 'Podfile',
-                'Vagrantfile', '*.ru', '*.prawn', 'Berksfile', '*.arb'
+                'Vagrantfile', '*.ru', '*.prawn', 'Berksfile', '*.arb',
+                'Dangerfile'
 
       mimetypes 'text/x-ruby', 'application/x-ruby'