test fix for terminal UI

android/0_termux-setup_v2.sh

@@ -44,6 +44,9 @@ setup_logging() {
     return 0
   fi
 
+  # Save original console fds so interactive tools still work after we redirect stdout/stderr.
+  exec 3>&1 4>&2
+
   mkdir -p "$LOG_DIR" 2>/dev/null || true
 
   if [[ -z "${LOG_FILE:-}" ]]; then
@@ -212,7 +215,13 @@ step_termux_repo_select_once() {
     fi
     ans="${ans:-Y}"
     if [[ "$ans" =~ ^[Yy]$ ]]; then
-      termux-change-repo || true
+      # Logging redirects stdout/stderr to pipes, which can break the UI.
+      # Run it using /dev/tty and the original console fds (3/4).
+      if [[ -r /dev/tty ]]; then
+        termux-change-repo </dev/tty >&3 2>&4 || true
+      else
+        termux-change-repo || true
+      fi
       ok "Mirror selection completed (or skipped inside the UI)."
     else
       warn "Mirror selection skipped by user."