fixing versions.yml generator

Version links to website

See merge request os85/httpx!243

.gitlab-ci.yml

@@ -144,6 +144,7 @@ docs:
     paths:
       - rdoc/
       - wiki/
+      - data/
       - coverage/
   only:
     - master

Rakefile

@@ -63,8 +63,31 @@ RDoc::Task.new do |rdoc|
   rdoc.rdoc_files.add RDOC_FILES
 end
 
+desc "Builds jekyll data"
+task :prepare_jekyll_data do
+  require "yaml"
+
+  FileUtils.mkdir_p("data")
+
+  version_tmpl = <<-VERSION
+  -
+    name: "%<name>s"
+    path: "%<path>s"
+  VERSION
+
+  `git tag -l`.lines(chomp: true)
+              .map { |v| v[1..-1] }
+              .sort_by(&Gem::Version.method(:new))
+              .reverse
+              .map { |v| { name: v, path: "#{v.tr(".", "_")}_md.html" } }
+              .map { |v| format(version_tmpl, v) }
+              .join
+              .then { |v| "-\n#{v}" }
+              .then { |output| File.write("data/versions.yml", output) }
+end
+
 desc "Builds Homepage"
-task :prepare_website => ["rdoc"] do
+task :prepare_website => %w[rdoc prepare_jekyll_data] do
   require "fileutils"
   FileUtils.rm_rf("wiki")
   system("git clone https://gitlab.com/os85/httpx.wiki.git wiki")