Update youtube-dl from 2018.09.18 to 2019.08.02 (#3387)

* Update youtube-dl from 2018.09.18 to 2019.08.02

* Abstract version number to DRY things up

packages/youtubedl.rb

@@ -3,26 +3,18 @@ require 'package'
 class Youtubedl < Package
   description 'Command-line program to download videos from YouTube.com and other video sites'
   homepage 'http://rg3.github.io/youtube-dl/'
-  version '2018.09.18'
-  source_url 'https://github.com/rg3/youtube-dl/releases/download/2018.09.18/youtube-dl-2018.09.18.tar.gz'
-  source_sha256 '4b0f1365ce6bca66e99b83aa80e8098f04dd3a22d398e1b1eac3fbda5a6d9a56'
+  version '2019.08.02'
+  source_url 'https://github.com/ytdl-org/youtube-dl/archive/2019.08.02.tar.gz'
+  source_sha256 '0c8e936d8212de803d1748aacd7559a6a91eb547de75c362c15db6cae4abcea1'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/youtubedl-2018.09.18-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/youtubedl-2018.09.18-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/youtubedl-2018.09.18-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/youtubedl-2018.09.18-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: 'ade342b4b5991a4e09893e3f5e5a598c0a1ee878ea74b94e60cd68cc5c17efb5',
-     armv7l: 'ade342b4b5991a4e09893e3f5e5a598c0a1ee878ea74b94e60cd68cc5c17efb5',
-       i686: 'ccbf5df99efb83dde40c8c96f1119f4fb3804f5246642fd62cd608208b54a699',
-     x86_64: 'f83cc7215ebfa1cc792cac8f8f25eb07153446972b2aaffb0a347cf0397be5f1',
   })
 
   depends_on 'setuptools'
 
   def self.install
-    system "pip install --prefix #{CREW_PREFIX} --root #{CREW_DEST_DIR} -I youtube-dl==2018.09.18"
+    system "pip install --prefix #{CREW_PREFIX} --root #{CREW_DEST_DIR} -I youtube-dl==#{version}"
   end
 end