Linguist syntax highlighting for Drupal file types
Drupal uses a few unusual file extensions that contain PHP - notably .module, .theme, and .install. GitHub use linguist for language detection. You can configure linguist using a .gitattributes file in your repo. Add a .gitattributes file with the following contents to your Drupal repo: # linguist configuration for syntax highlighting in github UI. *.module linguist-language=PHP *.install linguist-language=PHP *.theme linguist-language=PHP Now your pull requests and source viewer in Github should have PHP syntax highlighting for these file extensions....