From c4031b71f88e83d54b94fc0d51ab0b3d6e0f9427 Mon Sep 17 00:00:00 2001
From: Dominique FOURNIER <dominique.fournier@grenoble.cnrs.fr>
Date: Fri, 18 Mar 2022 10:57:12 +0100
Subject: [PATCH] Console : manage if Console is called from a pipe (without
 tty available)

---
 src/Console.php | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/Console.php b/src/Console.php
index 306db3d..b6a749f 100644
--- a/src/Console.php
+++ b/src/Console.php
@@ -89,13 +89,13 @@ class Console
   {
     if (! function_exists ("exec"))
       throw $this->ConsoleException ("No exec support in PHP");
-    $this->initSttyState = exec ("stty -g");
+    $this->initSttyState = exec ("stty -g 2>/dev/null");
     // Set the terminal to return the value each time a key is pressed.
     // Do not display anything, so we don't see the characters when the user is
     // deleting.
     // 'intr ^J' allow to redefine the interruption from Ctrl+C to Ctrl+J. It
     // allow to manage the Ctrl+C key to clean the entry
-    exec ("stty -echo -icanon min 1 time 0");
+    exec ("stty -echo -icanon min 1 time 0 2>/dev/null");
     $this->updateTerminalSize ();
   }
   //  }}}
@@ -107,7 +107,7 @@ class Console
   {
     $this->termWidth = 80;
     $this->termHeight = 25;
-    $termSize = exec ("stty size", $null, $rc);
+    $termSize = exec ("stty size 2>/dev/null", $null, $rc);
     if ($rc === 0)
     {
       list ($termHeight, $termWidth) = explode (" ", $termSize);
@@ -128,7 +128,8 @@ class Console
   public function __destruct ()
   // {{{
   {
-    exec ("stty $this->initSttyState");
+    if ($this->initSttyState !== "")
+      exec ("stty $this->initSttyState");
     $this->colorReset ();
     $this->textUnderline (false);
     $this->textBold (false);
@@ -207,7 +208,7 @@ class Console
         $char = fgetc (STDIN);
         $sequence .= $char;
       }
-      elseif (ord ($char2) === 91)
+      elseif (ord ($char2) === 91 || ord($char2) === 93)
       {
         // Start an ESC CSI sequence. Do not display it, just return it.
         // The ESC squences are used to communicate the cursor keys, associated
@@ -412,6 +413,13 @@ class Console
         $this->debug ("Autocompletion : end '$prompt.$string'");
       }
       // }}}
+      elseif (ord ($char) === 0)
+      // End of file
+      {
+        $this->debug("Empty File entry : ".ord($char));
+        $string = chr(0);
+        break;
+      }
       elseif (ord ($char) === 3)
       // Abort (Ctrl+C)
       // {{{