Update configuration.nix

configuration.nix

@@ -152,48 +152,57 @@
   # GIT AUTO‑UPDATE SCRIPT (RUNTIME‑EXECUTED)
   ############################################################
 
-  environment.etc."update-nixos-config.sh" = {
-    mode = "0700";
-    text = ''
+  # === Auto-update script with full PATH and NIX_PATH ===
+  environment.etc."update-nixos-config.sh".text = ''
     #!/run/current-system/sw/bin/bash
     set -e
 
-      PATH="/run/current-system/sw/bin"
+    # Ensure all system tools are available
+    export PATH="/run/current-system/sw/bin:/nix/var/nix/profiles/default/bin"
+    export NIX_PATH="nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos"
 
-      DIR="/var/lib/nixos-config"
-      REPO="https://git.skarockoi.de/ska/nixos-production.git"
+    LOCAL_PATH="/var/lib/nixos-config"
+    REPO_URL="https://git.skarockoi.de/ska/nixos-production.git"
 
-      if [ ! -d "$DIR/.git" ]; then
-        mkdir -p "$DIR"
-        git clone "$REPO" "$DIR"
-      fi
-
-      cd "$DIR"
+    if [ ! -d "$LOCAL_PATH/.git" ]; then
+      mkdir -p "$LOCAL_PATH"
+      chmod 700 "$LOCAL_PATH"
+      echo "Cloning config from $REPO_URL..."
+      git clone "$REPO_URL" "$LOCAL_PATH"
+    else
+      cd "$LOCAL_PATH"
+      echo "Fetching updates..."
       git fetch origin
-
-      if [ "$(git rev-parse HEAD)" != "$(git rev-parse origin/main)" ]; then
+      LOCAL_HEAD=$(git rev-parse HEAD)
+      REMOTE_HEAD=$(git rev-parse origin/main)
+      if [ "$LOCAL_HEAD" != "$REMOTE_HEAD" ]; then
+        echo "New config available. Updating..."
         git reset --hard origin/main
-        nixos-rebuild switch
+        nixos-rebuild switch -I nixos-config="$LOCAL_PATH/configuration.nix"
+        echo "System updated successfully."
+      else
+        echo "Config is already up to date."
+      fi
     fi
   '';
-  };
-
-  ############################################################
-  # SYSTEMD SERVICE + TIMER (CORRECT EXECUTION)
-  ############################################################
+  environment.etc."update-nixos-config.sh".mode = "0700";
 
+  # === Systemd service (simple, no extra path needed) ===
   systemd.services.nixos-git-update = {
-    description = "Update NixOS config from git";
+    description = "Update NixOS from public Git config";
+    script = "/etc/update-nixos-config.sh";
     serviceConfig = {
       Type = "oneshot";
-      ExecStart = "/etc/update-nixos-config.sh";
+      User = "root";
+      Group = "root";
     };
   };
 
   systemd.timers.nixos-git-update = {
+    description = "Check for config updates hourly";
     wantedBy = [ "timers.target" ];
     timerConfig = {
-      OnBootSec = "1min";
+      OnBootSec = "60s";
       OnUnitActiveSec = "1h";
     };
   };