From 7a2e940a3f92e451018af2f4736308f00d084b73 Mon Sep 17 00:00:00 2001
From: Daniel Albert <esclear@users.noreply.github.com>
Date: Sat, 7 Mar 2020 19:34:04 +0100
Subject: [PATCH] nixos/mpd: allow autostart when listening for unix socket

---
 nixos/modules/services/audio/mpd.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/audio/mpd.nix b/nixos/modules/services/audio/mpd.nix
index e20591b5beb4..8110c18d40ed 100644
--- a/nixos/modules/services/audio/mpd.nix
+++ b/nixos/modules/services/audio/mpd.nix
@@ -148,7 +148,9 @@ in {
       description = "Music Player Daemon Socket";
       wantedBy = [ "sockets.target" ];
       listenStreams = [
-        "${optionalString (cfg.network.listenAddress != "any") "${cfg.network.listenAddress}:"}${toString cfg.network.port}"
+        (if pkgs.lib.hasPrefix "/" cfg.network.listenAddress
+          then cfg.network.listenAddress
+          else "${optionalString (cfg.network.listenAddress != "any") "${cfg.network.listenAddress}:"}${toString cfg.network.port}")
       ];
       socketConfig = {
         Backlog = 5;