Insert sequential links for series in analyze.rb

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

analyze.rb

@@ -35,6 +35,7 @@ end
 
 data = {}
 id = 0
+series = {}
 files.each do |file|
   id += 1
   name = file
@@ -49,6 +50,12 @@ files.each do |file|
       name = $~[1].delete_prefix('"').delete_suffix('"')
     elsif l =~ /^draft: true$/
       draft = true
+    elsif l =~ /^series: (.+)$/
+      this_series = $~[1]
+      series_list = series.fetch(this_series) do
+        series[this_series] = []
+      end
+      series_list << file
     elsif l =~ /^tags: (.+)$/
       tags = $~[1].delete_prefix("[").delete_suffix("]").split(/,\s?/).map { |it| it.gsub('"', '') }
       if tags.include? "Compilers"
@@ -86,6 +93,14 @@ files.each do |file1|
     edges << { :from => data[file1][:id], :to => data[ref][:id] }
   end
 end
+series.each do |series, files|
+  files.sort.each_cons(2) do |file1, file2|
+    next unless data[file1]
+    next unless data[file2]
+    edges << { :from => data[file1][:id], :to => data[file2][:id] }
+    edges << { :from => data[file2][:id], :to => data[file1][:id] }
+  end
+end
 edges.uniq
 # edges.filter! { |e| e[:from] < e[:to] }