Fix relative links in other markup formatsben.boeckel/gitlab-ce-fixup-links-in-generic-docs

- Apply the RelativeLinkFilter filter to other formats, e.g.,
  reStructuredText so links from the Files view or the Project view work
- Remove the AsciidocPipeline pipeline

Fixes #3533.

3 files changed, 25 insertions, 14 deletions

diff --git a/lib/banzai/pipeline/asciidoc_pipeline.rb b/lib/banzai/pipeline/asciidoc_pipeline.rb
deleted file mode 100644
index f1331c0ebf9..00000000000
--- a/lib/banzai/pipeline/asciidoc_pipeline.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-module Banzai
-  module Pipeline
-    class AsciidocPipeline < BasePipeline
-      def self.filters
-        [
-          Filter::RelativeLinkFilter
-        ]
-      end
-    end
-  end
-end
diff --git a/lib/gitlab/asciidoc.rb b/lib/gitlab/asciidoc.rb
index b203b9d70e4..0b9c2e730f9 100644
--- a/lib/gitlab/asciidoc.rb
+++ b/lib/gitlab/asciidoc.rb
@@ -31,9 +31,7 @@ module Gitlab
 
       html = ::Asciidoctor.convert(input, asciidoc_opts)
 
-      if context[:project]
-        html = Banzai.render(html, context.merge(pipeline: :asciidoc))
-      end
+      html = Banzai.post_process(html, context)
 
       html.html_safe
     end
diff --git a/lib/gitlab/other_markup.rb b/lib/gitlab/other_markup.rb
new file mode 100644
index 00000000000..746ec283330
--- /dev/null
+++ b/lib/gitlab/other_markup.rb
@@ -0,0 +1,24 @@
+module Gitlab
+  # Parser/renderer for markups without other special support code.
+  module OtherMarkup
+
+    # Public: Converts the provided markup into HTML.
+    #
+    # input         - the source text in a markup format
+    # context       - a Hash with the template context:
+    #                 :commit
+    #                 :project
+    #                 :project_wiki
+    #                 :requested_path
+    #                 :ref
+    #
+    def self.render(file_name, input, context)
+      html = GitHub::Markup.render(file_name, input).
+        force_encoding(input.encoding)
+
+      html = Banzai.post_process(html, context)
+
+      html.html_safe
+    end
+  end
+end