[tui] Implement #135 for update

tui/locales/en-us/update.sh

@@ -0,0 +1,14 @@
+#!/bin/env bash
+
+CONTENT="
+An existing instance of Open Voice OS/HiveMind has been detected.
+
+Upgrading your existing instance of Open Voice OS or HiveMind to the latest version ensures that you stay ahead with the most advanced features, critical security updates, bug fixes, and performance optimizations.
+
+This not only enhances the overall functionality and user experience but also ensures compatibility with the latest integrations and tools, keeping your system reliable, secure, and future-proof.
+
+Do you want to update Open Voice OS to the latest version?
+"
+TITLE="Open Voice OS Installation - Update"
+
+export CONTENT TITLE

tui/update.sh

@@ -0,0 +1,14 @@
+#!/bin/env bash
+
+# shellcheck source=locales/en-us/misc.sh
+source "tui/locales/$LOCALE/misc.sh"
+
+# shellcheck source=locales/en-us/update.sh
+source "tui/locales/$LOCALE/update.sh"
+
+whiptail --yesno --no-button "$NO_BUTTON" --yes-button "$YES_BUTTON" --title "$TITLE" "$CONTENT" "$TUI_WINDOW_HEIGHT" "$TUI_WINDOW_WIDTH"
+
+exit_status=$?
+if [ "$exit_status" -eq 1 ]; then
+  exit 0
+fi