Chore: fix install.sh

install.sh

@@ -11,11 +11,20 @@ fi
 DOWNLOAD_URL="https://github.com/currenjin/wharf/releases/download/${LATEST_VERSION}/${BINARY_NAME}"
 
 INSTALL_DIR="/usr/local/bin"
-mkdir -p "$INSTALL_DIR"
 
-echo "♻️ Downloading wharf..."
-curl -L "$DOWNLOAD_URL" -o "$INSTALL_DIR/wharf"
-chmod +x "$INSTALL_DIR/wharf"
+echo "⚙️ Installing wharf..."
+echo "📥 Downloading latest version..."
+
+if [[ $EUID -ne 0 ]]; then
+    echo "🔒 This script needs sudo privileges to install to $INSTALL_DIR"
+    sudo mkdir -p "$INSTALL_DIR"
+    sudo curl -L "$DOWNLOAD_URL" -o "$INSTALL_DIR/wharf"
+    sudo chmod +x "$INSTALL_DIR/wharf"
+else
+    mkdir -p "$INSTALL_DIR"
+    curl -L "$DOWNLOAD_URL" -o "$INSTALL_DIR/wharf"
+    chmod +x "$INSTALL_DIR/wharf"
+fi
 
 echo "✅ Wharf has been installed to $INSTALL_DIR/wharf"
 echo "🎉 You can now use 'wharf' command from anywhere."