From e5d999585604051bcab1fa4c8aa56364fe5cff30 Mon Sep 17 00:00:00 2001
From: Emmet <emmet@librephoenix.com>
Date: Fri, 2 May 2025 14:42:30 -0500
Subject: [PATCH] trying to make an automatic system updater/builder

---
 hosts/ori/configuration.nix        |  1 +
 modules/system/phoenix/default.nix | 33 ++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/hosts/ori/configuration.nix b/hosts/ori/configuration.nix
index 869f0b0..c343f46 100644
--- a/hosts/ori/configuration.nix
+++ b/hosts/ori/configuration.nix
@@ -17,6 +17,7 @@
 
       # dotfiles
       dotfilesDir = "/etc/nixos";
+      systemBuilder.enable = true;
 
       # security
       security = {
diff --git a/modules/system/phoenix/default.nix b/modules/system/phoenix/default.nix
index 60f8c5d..84f7b84 100644
--- a/modules/system/phoenix/default.nix
+++ b/modules/system/phoenix/default.nix
@@ -13,11 +13,18 @@
         description = "Absolute path to my secrets flake";
         type = lib.types.path;
       };
+      systemBuilder.enable = lib.mkEnableOption "Enable automatic config updater and builder";
+      systemBuilder.buildCronExpression = lib.mkOption {
+        default = "Sat *-*-* 02:00:00"; # Sat morning at 2am
+        description = "Cron expression for when the system should auto build config";
+        type = lib.types.str;
+      };
     };
   };
   config = {
     environment.systemPackages = with pkgs; [
       attic-client
+      git
       (pkgs.writeScriptBin "phoenix" ''
         if [[ $EUID -ne 0 ]]; then
           echo "Error: This script must be run as root" 1>&2
@@ -115,5 +122,31 @@
         fi
       '')
     ];
+    systemd.services."phoenix-system-builder" = lib.mkIf config.systemSettings.systemBuilder.enable {
+      script = ''
+        pushd /etc/nixos;
+        /run/current-system/sw/bin/git pull;
+        nix flake update;
+        /run/current-system/sw/bin/git stage *;
+        /run/current-system/sw/bin/git commit -m "Updated system";
+        /run/current-system/sw/bin/git push;
+        popd;
+        pushd /etc/nixos.secrets;
+        /run/current-system/sw/bin/git pull;
+        popd;
+        /run/current-system/sw/bin/phoenix build;
+      '';
+      serviceConfig = {
+        Type = "simple";
+        User = "root";
+      };
+    };
+    systemd.timers."phoenix-system-builder-auto" = lib.mkIf config.systemSettings.systemBuilder.enable {
+      wantedBy = [ "timers.target" ];
+      timerConfig = {
+        OnCalendar = config.systemSettings.systemBuilder.buildCronExpression;
+        Unit = "phoenix-system-builder.service";
+      };
+    };
   };
 }