feat(update): add interactive confirmation prompt to nomarchy-update and expose in all themes

features/scripts/utils/nomarchy-update

@@ -7,6 +7,17 @@
 
 set -e
 
+# Fast fail offline check for gum
+if ! ping -c 1 -W 2 1.1.1.1 >/dev/null 2>&1; then
+    if command -v gum >/dev/null 2>&1; then
+        gum style --foreground 196 "You are offline. Cannot update."
+        sleep 3
+    else
+        echo "You are offline. Cannot update."
+    fi
+    exit 1
+fi
+
 # Detect the repository location
 if [ -f "/etc/nixos/flake.nix" ]; then
     REPO_DIR="/etc/nixos"
@@ -17,6 +28,33 @@ else
     exit 1
 fi
 
+CURRENT_REV=$(jq -r '.nodes.nomarchy.locked.rev // empty' "$REPO_DIR/flake.lock" 2>/dev/null)
+REMOTE_URL="https://git.bemagri.xyz/bernardo/Nomarchy.git"
+LATEST_REV=$(git ls-remote "$REMOTE_URL" HEAD 2>/dev/null | awk '{print $1}')
+
+if command -v gum >/dev/null 2>&1; then
+    gum style --foreground 212 --border double --margin "1 2" --padding "1 2" "Nomarchy System Update"
+    
+    if [[ "$CURRENT_REV" != "$LATEST_REV" && -n "$LATEST_REV" ]]; then
+        echo -e "An update for Nomarchy is available!\n"
+        echo -e "Current Revision: ${CURRENT_REV:0:7}"
+        echo -e "Latest Revision:  ${LATEST_REV:0:7}\n"
+        
+        if ! gum confirm "Do you want to download and apply the update now?"; then
+            echo "Update cancelled."
+            sleep 2
+            exit 0
+        fi
+    else
+        echo -e "\nYou are already up to date! (${CURRENT_REV:0:7})"
+        if ! gum confirm "Do you want to force a system rebuild anyway?"; then
+            echo "Cancelled."
+            sleep 2
+            exit 0
+        fi
+    fi
+fi
+
 echo "--- Starting Nomarchy Full Update ---"
 
 # 1. Unpin the flake if it's currently pinned to the install commit
@@ -33,3 +71,9 @@ sudo nix --extra-experimental-features 'nix-command flakes' flake update --flake
 nomarchy-sys-update
 
 echo "--- Nomarchy Full Update Complete ---"
+if command -v gum >/dev/null 2>&1; then
+    echo ""
+    gum style --foreground 82 "Update Applied Successfully!"
+    echo "Press any key to exit."
+    read -n 1 -s -r
+fi