From f7f1c1771df4be36bc6cc089d551bcd72c91217b Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 3 Sep 2017 22:52:40 +0200
Subject: mixer dependencies

---
 bragi.nix                  | 3 +++
 custom/trivmix-service.nix | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/bragi.nix b/bragi.nix
index 111254d2..ad7fe3cd 100644
--- a/bragi.nix
+++ b/bragi.nix
@@ -167,6 +167,9 @@ in rec {
     speakers1 = { connectOut = "system:playback_8"; connectIn = "outnode1:out"; group = "speakers"; initial = "0"; };
   };
 
+  systemd.services.mpdmix0.requiredBy = [ "mpd.service" ];
+  systemd.services.mpdmix1.requiredBy = [ "mpd.service" ];
+
   services.mpd = {
     enable = true;
     musicDirectory = "/media/odin/music";
diff --git a/custom/trivmix-service.nix b/custom/trivmix-service.nix
index a0c46db6..985ded80 100644
--- a/custom/trivmix-service.nix
+++ b/custom/trivmix-service.nix
@@ -56,9 +56,11 @@ let
     '';
 
     connect = (connectOut != []) || (connectIn != []) || (onConnect != []);
+
+    mixerDeps = filter (x: any (hasPrefix (x + ":")) connectIn || any (hasPrefix (x + ":")) connectOut) (attrNames cfg);
   in {
     wantedBy = [ "sound.target" ];
-    requires = [ "jack.service" ];
+    requires = [ "jack.service" ] ++ map (n: n + ".service") mixerDeps;
     path = with pkgs; [ jack2Full ];
     serviceConfig = {
       Type = "simple";
-- 
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