add

#!/usr/bin/env ruby

# USAGE
#
#   add <url>
#

require 'erb'
require 'time'
require 'ostruct'

def curl(url)
  output = %x[ curl -s --head --location '#{url}' ]
  md = output.match(/Location: (.*)\n/)
  location = md ? md[1].chomp : url
  OpenStruct.new({
    length: output.match(/Content-Length: (.*)\n/)[1].chomp,
    type: output.scan(/Content-Type: (.*)\n/).last[0].chomp,
    title: url.split('/').last.split('.').tap { |a| a.pop } * '.',
    now: Time.now.rfc2822,
    url: location
  })
end

meta = curl(ARGV[0])

# TODO ask for missing details

scope = meta.instance_eval { binding }
result = ERB.new(DATA.read).result(scope)

media = File.read('media.yml')
media.sub!("feed:\n", result)
File.open('media.yml', 'w') { |f| f.print(media) }

puts 'Now edit `media.yml` to complete the missing details.'

__END__
feed:
  - title: <%= title %>
    published: <%= now %>
    media_url: <%= url %>
    media_length: <%= length %>
    media_type: <%= type %>
    web_url: TODO
    description: >-
      TODO