From 840f4888c09541048f099442ea18b26c8a66e58f Mon Sep 17 00:00:00 2001
From: Ivan Kozik <ivan@ludios.org>
Date: Wed, 8 May 2019 01:01:59 +0000
Subject: [PATCH] youtube-dl: build the lazy_extractors module to improve
 startup time

---
 pkgs/tools/misc/youtube-dl/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/tools/misc/youtube-dl/default.nix b/pkgs/tools/misc/youtube-dl/default.nix
index ac8747e60fa..724979439d4 100644
--- a/pkgs/tools/misc/youtube-dl/default.nix
+++ b/pkgs/tools/misc/youtube-dl/default.nix
@@ -42,6 +42,10 @@ buildPythonPackage rec {
         ++ lib.optional phantomjsSupport phantomjs2;
     in [ ''--prefix PATH : "${lib.makeBinPath packagesToBinPath}"'' ];
 
+  setupPyBuildFlags = [
+    "build_lazy_extractors"
+  ];
+
   postInstall = ''
     mkdir -p $out/share/zsh/site-functions
     cp youtube-dl.zsh $out/share/zsh/site-functions/_youtube-dl