From 5dd167ee5ff71b20294e78a66d374e4308f3d767 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Mon, 23 Dec 2019 16:37:47 +0100
Subject: ...

---
 custom/uucp.nix | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/custom/uucp.nix b/custom/uucp.nix
index 02c9cb87..af87231a 100644
--- a/custom/uucp.nix
+++ b/custom/uucp.nix
@@ -39,9 +39,6 @@ let
   chat = pkgs.writeScript "chat" ''
     #!${pkgs.stdenv.shell}
 
-    ${pkgs.utillinux}/bin/ionice -c 3 -p $$
-    ${pkgs.utillinux}/bin/renice -n 15 -p $$
-
     echo .
     exec ${config.security.wrapperDir}/uucico
   '';
@@ -306,7 +303,21 @@ in {
                        setgid = false;
                      };
                    };
-    in listToAttrs (map wrapper ["uucico" "uuxqt" "cu" "uucp" "uuname" "uustat" "uux"]);
+    in listToAttrs (map wrapper ["uuxqt" "cu" "uucp" "uuname" "uustat" "uux"]);
+    security.wrappers.uucico = {
+      source = pkgs.writeScript ''
+        #!${pkgs.stdenv.shell}
+
+        ${pkgs.utillinux}/bin/renice -n 15 -p $$
+        ${pkgs.utillinux}/bin/ionice -c 3 -p $$
+
+        exec ${pkgs.uucp}/bin/uucico $@
+      '';
+      owner = "root";
+      group = "root";
+      setuid = true;
+      setgid = false;
+    };
 
     nixpkgs.overlays = [(self: super: {
       uucp = super.stdenv.lib.overrideDerivation super.uucp (oldAttrs: {
@@ -357,8 +368,6 @@ in {
         User = "uucp";
         Type = "oneshot";
         ExecStart = "${config.security.wrapperDir}/uucico -D -S %i";
-        Nice = 15;
-        IOSchedulingClass = "idle";
       };
     };
 
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