78 lines
2.3 KiB
Ruby
Executable File
78 lines
2.3 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# Vendors the MIME type config from the mime-db list
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# usage: script/vendor-mimes
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require 'colorator'
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require 'json'
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require 'open-uri'
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# ---- Helpers ----
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{
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:info => :cyan,
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:success => :green,
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:error => :red,
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}.each do |type, color|
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define_method("log_#{type}") do |msg|
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puts " #{msg}".send(color)
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end
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end
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# ----
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json = begin
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log_info "Reading remote data.."
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URI.open("https://raw.githubusercontent.com/jshttp/mime-db/master/db.json").read
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rescue StandardError => e
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log_error "Error reading remote data!"
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log_error e.message
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log_error "Aborting."
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exit 1
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end
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log_info "Parsing remote data.."
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data = JSON.parse(json)
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data.reject! { |mime, meta| meta["extensions"].nil? || meta["extensions"].empty? }
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log_info "Generating interim mime data-hashes.."
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mimes = {}
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charset_data = {}
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data.each do |mime, meta|
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# Normalize extensions and mime-types
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mime = mime.downcase.strip
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extensions = meta["extensions"].map { |e| e.downcase.strip }.compact
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# If a given extension is listed multiple times, prefer the first one listed
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extensions.reject! { |extension| mimes.values.flatten.include?(extension) }
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next if extensions.empty?
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mimes[mime] = [] if mimes[mime].nil?
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mimes[mime].concat extensions
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# Extract mime-types with "charset" metadata
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charset_data[mime] = meta["charset"] if meta.key?("charset")
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# Assign `UTF-8` charset for mime-types under the `text` domain if not already assigned upstream
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charset_data[mime] ||= "UTF-8" if mime.start_with?("text/")
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end
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log_info "Formatting primary hash and writing to file.."
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strlen = mimes.keys.max_by(&:length).length
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output = ""
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output << "# Woah there. Do not edit this file directly.\n"
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output << "# This file is generated automatically by script/vendor-mimes.\n\n"
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mimes = mimes.sort_by { |k,v| k }
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output << mimes.map { |mime,extensions| "#{mime.ljust(strlen)} #{extensions.sort.join(" ")}" }.join("\n")
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config = File.expand_path "../lib/jekyll/mime.types", __dir__
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File.write(config, output)
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log_info "Done! See: #{config.inspect.white}"
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# --- Generate JSON file from charset_data ----
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puts
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log_info "Dumping mimetype-charset mapping as JSON.."
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json_file = File.expand_path "../lib/jekyll/commands/serve/mime_types_charset.json", __dir__
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File.write(json_file, JSON.pretty_generate(charset_data) + "\n")
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log_success "and done! See: #{json_file.inspect.white}"
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