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| desc 'Makes all url related things' | |
| task urls: %w(urls:redirects_old_to_new) | |
| namespace :urls do | |
| desc 'Generates redirection pages for those which has it' | |
| task :redirects_old_to_new do | |
| puts 'Processing posts' | |
| site = jekyll_site | |
| site.posts.each do |post| | |
| puts 'Processing ' + post.data['title'] | |
| generate_aliases(post.url, post.data['alias'], site) | |
| end | |
| end | |
| end | |
| def generate_aliases(destination_path, aliases, site) | |
| alias_paths ||= Array.new | |
| alias_paths << aliases | |
| alias_paths.compact! | |
| puts '- no aliases' if aliases.nil? || aliases.empty? | |
| alias_paths.flatten.each do |alias_path| | |
| puts '- processing alias ' + alias_path | |
| # If alias_path has an extension, we'll write the alias file | |
| # directly to that path. Otherwise, we'll assume that the | |
| # alias_path is a directory, in which case we'll generate an | |
| # index.html file. | |
| alias_dir = File.extname(alias_path).empty? ? alias_path : File.dirname(alias_path) | |
| alias_file = File.extname(alias_path).empty? ? "index.html" : File.basename(alias_path) | |
| fs_path_to_dir = File.expand_path '../'+alias_dir, File.dirname(__FILE__) | |
| alias_index_path = File.join(alias_dir, alias_file) | |
| FileUtils.mkdir_p(fs_path_to_dir) | |
| File.open(File.join(fs_path_to_dir, alias_file), 'w') do |file| | |
| file.write(alias_template(destination_path)) | |
| end | |
| (alias_index_path.split('/').size + 1).times do |sections| | |
| site.static_files << Jekyll::AliasFile.new(site, site.dest, alias_index_path.split('/')[0, sections].join('/'), nil) | |
| end | |
| end | |
| end | |
| def destination(dest) | |
| File.join(dest, @dir) | |
| end | |
| def alias_template(destination_path) | |
| <<-EOF | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="canonical" href="#{destination_path}"/> | |
| <meta http-equiv="content-type" content="text/html; charset=utf-8" /> | |
| <meta http-equiv="refresh" content="0;url=#{destination_path}" /> | |
| </head> | |
| </html> | |
| EOF | |
| end | |
| require 'jekyll/static_file' | |
| module Jekyll | |
| class AliasFile < StaticFile | |
| require 'set' | |
| def destination(dest) | |
| File.join(dest, @dir) | |
| end | |
| def modified? | |
| return false | |
| end | |
| def write(dest) | |
| return true | |
| end | |
| end | |
| end |