1 files changed, 34 insertions, 0 deletions
diff --git a/lib/gitlab/dependency_linker/go_mod_linker.rb b/lib/gitlab/dependency_linker/go_mod_linker.rb
new file mode 100644
index 00000000000..4d6fe366333
--- /dev/null
+++ b/lib/gitlab/dependency_linker/go_mod_linker.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module DependencyLinker
+    class GoModLinker < BaseLinker
+      include Gitlab::Golang
+
+      self.file_type = :go_mod
+
+      private
+
+      SEMVER = Gitlab::Regex.unbounded_semver_regex
+      NAME = Gitlab::Regex.go_package_regex
+      REGEX = Regexp.new("(?<name>#{NAME.source})(?:\\s+(?<version>v#{SEMVER.source}))?", SEMVER.options | NAME.options).freeze
+
+      # rubocop: disable CodeReuse/ActiveRecord
+      def link_dependencies
+        highlighted_lines.map!.with_index do |rich_line, i|
+          plain_line = plain_lines[i].chomp
+          match = REGEX.match(plain_line)
+          next rich_line unless match
+
+          i, j = match.offset(:name)
+          marker = StringRangeMarker.new(plain_line, rich_line.html_safe)
+          marker.mark([i..(j - 1)]) do |text, left:, right:|
+            url = package_url(text, match[:version])
+            url ? link_tag(text, url) : text
+          end
+        end
+      end
+      # rubocop: enable CodeReuse/ActiveRecord
+    end
+  end
+end