From 7393d245d61eac3f0c4f9f79865f8c9e8aea4839 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 12 Nov 2017 10:47:36 +0100
Subject: per-user module: create profiles only when needed

Refs https://github.com/NixOS/nixpkgs/pull/25712
---
 krebs/3modules/per-user.nix | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

(limited to 'krebs/3modules/per-user.nix')

diff --git a/krebs/3modules/per-user.nix b/krebs/3modules/per-user.nix
index 9080e3b4..a7a07a8e 100644
--- a/krebs/3modules/per-user.nix
+++ b/krebs/3modules/per-user.nix
@@ -15,16 +15,19 @@ in {
   };
   config = {
     environment = {
-      etc = flip mapAttrs' cfg (name: { packages, ... }: {
-        name = "per-user/${name}";
-        value.source = pkgs.buildEnv {
-          name = "per-user.${name}";
-          paths = packages;
-          pathsToLink = [
-            "/bin"
-          ];
-        };
-      });
+      etc =
+        mapAttrs'
+          (name: per-user: {
+            name = "per-user/${name}";
+            value.source = pkgs.buildEnv {
+              name = "per-user.${name}";
+              paths = per-user.packages;
+              pathsToLink = [
+                "/bin"
+              ];
+            };
+          })
+          (filterAttrs (_: per-user: per-user.packages != []) cfg);
       profiles = ["/etc/per-user/$LOGNAME"];
     };
   };
-- 
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