merge(3p/git): Merge git upstream at v2.26.2

third_party/git/Documentation/asciidoctor-extensions.rb

@@ -9,8 +9,11 @@ module Git
       named :chrome
 
       def process(parent, target, attrs)
-        if parent.document.basebackend? 'html'
-          prefix = parent.document.attr('git-relative-html-prefix')
+        prefix = parent.document.attr('git-relative-html-prefix')
+        if parent.document.doctype == 'book'
+          "<ulink url=\"#{prefix}#{target}.html\">" \
+          "#{target}(#{attrs[1]})</ulink>"
+        elsif parent.document.basebackend? 'html'
           %(<a href="#{prefix}#{target}.html">#{target}(#{attrs[1]})</a>)
         elsif parent.document.basebackend? 'docbook'
           "<citerefentry>\n" \
@@ -20,9 +23,26 @@ module Git
         end
       end
     end
+
+    class DocumentPostProcessor < Asciidoctor::Extensions::Postprocessor
+      def process document, output
+        if document.basebackend? 'docbook'
+          mansource = document.attributes['mansource']
+          manversion = document.attributes['manversion']
+          manmanual = document.attributes['manmanual']
+          new_tags = "" \
+            "<refmiscinfo class=\"source\">#{mansource}</refmiscinfo>\n" \
+            "<refmiscinfo class=\"version\">#{manversion}</refmiscinfo>\n" \
+            "<refmiscinfo class=\"manual\">#{manmanual}</refmiscinfo>\n"
+          output = output.sub(/<\/refmeta>/, new_tags + "</refmeta>")
+        end
+        output
+      end
+    end
   end
 end
 
 Asciidoctor::Extensions.register do
   inline_macro Git::Documentation::LinkGitProcessor, :linkgit
+  postprocessor Git::Documentation::DocumentPostProcessor
 end