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-rw-r--r--nixos/modules/system/activation/switch-to-configuration.pl6
1 files changed, 6 insertions, 0 deletions
diff --git a/nixos/modules/system/activation/switch-to-configuration.pl b/nixos/modules/system/activation/switch-to-configuration.pl
index 9bf7a5c0d4270..d3e9a97c21204 100644
--- a/nixos/modules/system/activation/switch-to-configuration.pl
+++ b/nixos/modules/system/activation/switch-to-configuration.pl
@@ -351,8 +351,14 @@ foreach my $device (keys %$prevSwaps) {
 
 # Should we have systemd re-exec itself?
 my $prevSystemd = abs_path("/proc/1/exe") // "/unknown";
+my $prevSystemdSystemConfig = abs_path("/etc/systemd/system.conf") // "/unknown";
 my $newSystemd = abs_path("@systemd@/lib/systemd/systemd") or die;
+my $newSystemdSystemConfig = abs_path("$out/etc/systemd/system.conf") // "/unknown";
+
 my $restartSystemd = $prevSystemd ne $newSystemd;
+if ($prevSystemdSystemConfig ne $newSystemdSystemConfig) {
+    $restartSystemd = 1;
+}
 
 
 sub filterUnits {