From 0ee39eb06a675210431c8d5bbed24b1671e5cdbe Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Sun, 23 Jul 2017 19:22:40 +0200
Subject: [PATCH] activation-checks: fix changelog diff

---
 CHANGELOG                            | 3 +++
 modules/system/activation-checks.nix | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 772600b3..5cb16c3b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2017-07-24
+- test
+
 2017-07-23
 - darwin entry in default the nix.nixPath was removed
 
diff --git a/modules/system/activation-checks.nix b/modules/system/activation-checks.nix
index 792eda8a..eefe2aa9 100644
--- a/modules/system/activation-checks.nix
+++ b/modules/system/activation-checks.nix
@@ -5,7 +5,7 @@ with lib;
 let
   darwinChanges = ''
     if test -e /run/current-system/darwin-changes; then
-      darwinChanges=$(grep -v -f /run/current-system/darwin-changes $systemConfig/darwin-changes 2> /dev/null) || true
+      darwinChanges=$(diff --changed-group-format='%>' --unchanged-group-format= /run/current-system/darwin-changes $systemConfig/darwin-changes 2> /dev/null) || true
       if test -n "$darwinChanges"; then
         echo >&2
         echo "CHANGELOG" >&2