From 3db41812bbf14d672803b941581268c42afec815 Mon Sep 17 00:00:00 2001
From: Tom Fitzhenry <tom@tom-fitzhenry.me.uk>
Date: Sat, 18 Sep 2021 21:28:26 +1000
Subject: [PATCH] spot: Build an optimised binary, to drop CPU usage: 70% ->
 10%

https://github.com/xou816/spot/issues/131 reports that this dropped
~30-40% to 5-10% on an i7-7700.

On my Pinephone, it dropped 70% to 10%.
---
 pkgs/applications/audio/spot/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/applications/audio/spot/default.nix b/pkgs/applications/audio/spot/default.nix
index 2859a2e942e2..5ffec66e1c4e 100644
--- a/pkgs/applications/audio/spot/default.nix
+++ b/pkgs/applications/audio/spot/default.nix
@@ -59,6 +59,9 @@ stdenv.mkDerivation rec {
     libpulseaudio
   ];
 
+  # Per https://github.com/xou816/spot/blob/2a591febcfa4b9690ea166097392d2a327cd0c60/README.md#L111 .
+  mesonBuildType = "release";
+
   postPatch = ''
     chmod +x build-aux/cargo.sh
     patchShebangs build-aux/cargo.sh build-aux/meson/postinstall.py