From 5c7c36a4836c7a51a33804a853547987607dad61 Mon Sep 17 00:00:00 2001
From: pennae <github@quasiparticle.net>
Date: Tue, 21 Sep 2021 13:15:22 +0200
Subject: [PATCH] matrix-synapse: enable parallel tests

(cherry picked from commit 7574cf28fefffa5b76dba22eb76e03dafd22aaca)
---
 pkgs/servers/matrix-synapse/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/servers/matrix-synapse/default.nix b/pkgs/servers/matrix-synapse/default.nix
index bc789dac977..8417754abe3 100644
--- a/pkgs/servers/matrix-synapse/default.nix
+++ b/pkgs/servers/matrix-synapse/default.nix
@@ -78,7 +78,7 @@ with py.pkgs; buildPythonApplication rec {
   doCheck = !stdenv.isDarwin;
 
   checkPhase = ''
-    PYTHONPATH=".:$PYTHONPATH" ${python3.interpreter} -m twisted.trial tests
+    PYTHONPATH=".:$PYTHONPATH" ${python3.interpreter} -m twisted.trial -j $NIX_BUILD_CORES tests
   '';
 
   passthru.tests = { inherit (nixosTests) matrix-synapse; };