Merge branch 'bw-remove-markdown-corrected-blockquote-flag' into 'master'

Remove the markdown_corrected_blockquote feature flag See merge request gitlab-org/gitlab!97859

Merge branch 'bw-remove-markdown-corrected-blockquote-flag' into 'master'
c5b58b0b · Rémy Coutable · c2874c6e · 51f8cab8 · c2874c6e · c5b58b0b
--- a/config/feature_flags/development/markdown_corrected_blockquote.yml
+++ b/config/feature_flags/development/markdown_corrected_blockquote.yml
---
-name: markdown_corrected_blockquote
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/95967
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/372089
-milestone: '15.4'
-type: development
-group: group::project management
-default_enabled: false
--- a/lib/banzai/filter/blockquote_fence_filter.rb
+++ b/lib/banzai/filter/blockquote_fence_filter.rb
@@ -34,44 +34,13 @@ class BlockquoteFenceFilter < HTML::Pipeline::TextFilter
          )
      }mx.freeze
-      OLD_REGEX = %r{
-          #{::Gitlab::Regex.markdown_code_or_html_blocks}
-        |
-          (?=^>>>\ *\n.*\n>>>\ *$)(?:
-            # Blockquote:
-            # >>>
-            # Anything, including code and HTML blocks
-            # >>>
-            ^>>>\ *\n
-            (?<quote>
-              (?:
-                  # Any character that doesn't introduce a code or HTML block
-                  (?!
-                      ^```
-                    |
-                      ^<[^>]+?>\ *\n
-                  )
-                  .
-                |
-                  # A code block
-                  \g<code>
-                |
-                  # An HTML block
-                  \g<html>
-              )+?
-            )
-            \n>>>\ *$
-          )
-      }mx.freeze
      def initialize(text, context = nil, result = nil)
        super text, context, result
        @text = @text.delete("\r")
      end
      def call
-        @text.gsub(regex) do
+        @text.gsub(REGEX) do
          if $~[:quote]
            # keep the same number of source lines/positions by replacing the
            # fence lines with newlines
@@ -81,12 +50,6 @@ def call
          end
        end
      end
-      private
-      def regex
-        Feature.enabled?(:markdown_corrected_blockquote) ? REGEX : OLD_REGEX
-      end
    end
  end
 end
--- a/spec/lib/banzai/filter/blockquote_fence_filter_spec.rb
+++ b/spec/lib/banzai/filter/blockquote_fence_filter_spec.rb
@@ -22,14 +22,6 @@
    expect(filter(">>> \ntest\n>>> ")).to eq("\n> test\n")
  end
-  context 'when feature flag is turned off' do
-    it 'does not require a leading or trailing blank line' do
-      stub_feature_flags(markdown_corrected_blockquote: false)
-      expect(filter("Foo\n>>>\ntest\n>>>\nBar")).to eq("Foo\n\n> test\n\nBar")
-    end
-  end
  context 'when incomplete blockquote fences with multiple blocks are present' do
    it 'does not raise timeout error' do
      test_string = ">>>#{"\n```\nfoo\n```" * 20}"