initial commit

modules/nixos-update.nix

@@ -0,0 +1,55 @@
+{
+  config,
+  pkgs,
+  ...
+}:
+let
+  hostname = config.networking.hostName;
+  flakeDir = "/tmp/nixos-infra-flake";
+  updateScript = pkgs.writeShellScriptBin "nixos-update" ''
+    #!/usr/bin/env bash
+    set -euo pipefail
+
+    FLAKE_URL="ssh://forgejo@git.ruject.fun/RuJect/nixos-infra.git"
+    FLAKE_DIR="${flakeDir}"
+    REBUILD_CMD="nh os switch $FLAKE_DIR -H ${hostname}"
+
+    echo "→ Updating flake from git.ruject.fun..."
+
+    if [[ ! -d "$FLAKE_DIR/.git" ]]; then
+        echo "→ Cloning $FLAKE_DIR ..."
+        git clone --depth=1 "$FLAKE_URL" "$FLAKE_DIR"
+    else
+        echo "→ Repository $FLAKE_DIR already exists, updating..."
+        git -C "$FLAKE_DIR" fetch --depth=1
+        git -C "$FLAKE_DIR" reset --hard FETCH_HEAD
+    fi
+
+    echo "→ Will run:"
+    echo "    $REBUILD_CMD"
+
+    read -r -p "→ Continue? [Y/n] " answer
+    case "$answer" in
+        [Yy]*|"")
+            echo "→ Running..."
+            $REBUILD_CMD
+            ;;
+        *)
+            echo "→ Cancelled by user."
+            exit 0
+            ;;
+    esac
+
+    echo
+    echo "→ Done."
+  '';
+in
+{
+  environment.systemPackages = [
+    updateScript
+  ];
+
+  environment.interactiveShellInit = ''
+    echo "For update system use command:  nixos-update"
+  '';
+}