ctucx.git: nixfiles

programs/usbmuxd: start it with `--systemd` otherwise it hangs on shutdown

diff --git a/configurations/programs/usbmuxd.nix b/configurations/programs/usbmuxd.nix
@@ -1,9 +1,36 @@
-{ ... }:
+{ pkgs, ... }:
 
 {
-  services = {
-    usbmuxd.enable      = true;
+#  services = {
+#    usbmuxd.enable      = true;
+#  };
+
+
+  users.groups.usbmux = {};
+
+	users.users = {
+    leah.extraGroups    = [ "usbmux" ];
+
+    usbmux.description  = "usbmuxd user";
+    usbmux.group        = "usbmux";
+    usbmux.isSystemUser = true;
   };
 
-  users.users.leah.extraGroups = [ "usbmux" ];
+  # Give usbmuxd permission for Apple devices
+  services.udev.extraRules = ''
+    SUBSYSTEM=="usb", ATTR{idVendor}=="05ac", GROUP="usbmux"
+  '';
+
+  systemd.services.usbmuxd = {
+    description = "usbmuxd";
+    wantedBy = [ "multi-user.target" ];
+    unitConfig.Documentation = "man:usbmuxd(8)";
+    serviceConfig = {
+      # Trigger the udev rule manually. This doesn't require replugging the
+      # device when first enabling the option to get it to work
+      ExecStartPre = "${pkgs.udev}/bin/udevadm trigger -s usb -a idVendor=05ac";
+      # Start usbmuxd with `--systemd` otherwise it hangs on shutdown
+      ExecStart = "${pkgs.usbmuxd}/bin/usbmuxd -U usbmux --systemd";
+    };
+  };
 }