Make sure all searchable pages have a frontmatter title (#1433)

lib/tasks/vendor_files.rake

@@ -28,7 +28,7 @@ def new_link(file, link)
   end
 end
 
-def write_file(file, to)
+def write_file(file, to, title: nil)
   content = File.read(file)
 
   file = file.sub("doc/bundler/", "doc/").downcase
@@ -38,6 +38,7 @@ def write_file(file, to)
     new_link = new_link(file, Regexp.last_match[:link].downcase)
     "[#{Regexp.last_match[:title]}](#{new_link})"
   end
+  content.prepend("---\ntitle: #{title}\n---\n\n") if title
 
   FileUtils.mkpath(File.dirname(to))
   File.write(to, content)
@@ -70,7 +71,7 @@ task repo_pages: :update_vendor do
       write_file(file, to)
     end
 
-    write_file("CODE_OF_CONDUCT.md", File.expand_path("./conduct.html.md", source_dir))
-    write_file("CHANGELOG.md", File.expand_path("./changelog.html.md", source_dir))
+    write_file("CODE_OF_CONDUCT.md", File.expand_path("./conduct.html.md", source_dir), title: "RubyGems and Bundler Code of Conduct")
+    write_file("CHANGELOG.md", File.expand_path("./changelog.html.md", source_dir), title: "ChangeLog")
   end
 end

source/conduct.html.md

@@ -1,3 +1,7 @@
+---
+title: RubyGems and Bundler Code of Conduct
+---
+
 # RubyGems and Bundler Code of Conduct
 
 ## Our Pledge

source/guides/bundler_workflow.html.md

@@ -1,3 +1,7 @@
+---
+title: Recommended Workflow with Version Control
+---
+
 ## Recommended Workflow with Version Control
 
 In general, when working with an application managed with bundler, you

source/guides/gemfile.html.md

@@ -1,3 +1,7 @@
+---
+title: Gemfiles
+---
+
 ## In Depth
 
 Read the manual for an in-depth discussion of all of the options available in the

source/guides/gemfile_ruby.html.md

@@ -1,3 +1,7 @@
+---
+title: Ruby Directive
+---
+
 ## Specifying a Ruby Version
 
 Like gems, developers can setup a dependency on Ruby.

source/guides/rationale.html.md

@@ -1,3 +1,7 @@
+---
+title: Why Bundler exists
+---
+
 If you just want to know our recommended workflow and don't care about the rationale, feel
 free to [jump to the summary](#summary) below.
 

source/guides/rubygems.html.md

@@ -1,3 +1,7 @@
+---
+title: Bundler in gems
+---
+
 ## Using Bundler while developing a gem
 
 If you're creating a gem from scratch, you can use bundler's built in gem skeleton to create a base gem for you to edit.

source/guides/rubymotion.html.md

@@ -1,3 +1,7 @@
+---
+title: How to use Bundler with RubyMotion
+---
+
 ## How to use Bundler with RubyMotion
 
 If you don't have a RubyMotion app yet, generate one.