Add filename extensions to Docker lexer (#1059)

This commit: * adds the *.Dockerfile filename extension; and * adds the Dockerfile_* filename extension. It fixed #1070.
rouge-ruby · May 28, 2019 · 4e5e248 · 4e5e248
1 parent e5ec8df
commit 4e5e248
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/lib/rouge/lexers/docker.rb b/lib/rouge/lexers/docker.rb
@@ -8,7 +8,7 @@ class Docker < RegexLexer
       desc "Dockerfile syntax"
       tag 'docker'
       aliases 'dockerfile'
-      filenames 'Dockerfile', '*.docker'
+      filenames 'Dockerfile', '*.Dockerfile', '*.docker', 'Dockerfile_*'
       mimetypes 'text/x-dockerfile-config'
 
       KEYWORDS = %w(

diff --git a/spec/lexers/docker_spec.rb b/spec/lexers/docker_spec.rb
@@ -10,6 +10,8 @@
     it 'guesses by filename' do
       assert_guess :filename => 'Dockerfile'
       assert_guess :filename => 'docker.docker'
+      assert_guess :filename => 'some.Dockerfile'
+      assert_guess :filename => 'Dockerfile_some_extension'
     end
 
     it 'guesses by mimetype' do