From 0b7f258ce7687c9110f0a1ce28cddef7ba5b0a7a Mon Sep 17 00:00:00 2001
From: Dmitry Voronin <account@voronind.com>
Date: Sun, 3 Mar 2024 23:44:53 +0300
Subject: [PATCH] System : Enable auto-update.

---
 .config/linux/system/module/common/AutoUpdate.nix | 3 ++-
 .config/linux/system/module/common/Nix.nix        | 9 +++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/.config/linux/system/module/common/AutoUpdate.nix b/.config/linux/system/module/common/AutoUpdate.nix
index f087771..e2b2f5a 100644
--- a/.config/linux/system/module/common/AutoUpdate.nix
+++ b/.config/linux/system/module/common/AutoUpdate.nix
@@ -9,7 +9,8 @@
 			git
 		];
 		script = ''
-			${config.system.build.nixos-rebuild}/bin/nixos-rebuild boot --flake "/root/.config/linux/system#$HOSTNAME"
+			${config.system.build.nixos-rebuild}/bin/nixos-rebuild switch --flake "/root/.config/linux/system#$HOSTNAME"
+			${config.nix.package.out}/bin/nix-collect-garbage --delete-older-than 7d
 		'';
 	};
 	systemd.timers.autoupdate = {
diff --git a/.config/linux/system/module/common/Nix.nix b/.config/linux/system/module/common/Nix.nix
index 491dd4d..e23bd87 100644
--- a/.config/linux/system/module/common/Nix.nix
+++ b/.config/linux/system/module/common/Nix.nix
@@ -1,9 +1,10 @@
 { environment, ... }: {
 	environment.variables.NIXPKGS_ALLOW_UNFREE = "1";
-	nix.extraOptions = "experimental-features = nix-command flakes";
-	nix.gc.automatic = false;
-	nix.gc.dates     = "daily";
-	nix.gc.options   = "--delete-older-than 7d";
+	nix.extraOptions = ''
+		experimental-features = nix-command flakes
+		keep-derivations = true
+		keep-outputs = true
+	'';
 	nix.settings.auto-optimise-store = true;
 	nixpkgs.config.allowUnfree       = true;
 }