From 5ce53845c0ff39215550ec56e0f9ae739b5997f5 Mon Sep 17 00:00:00 2001
From: Timm Friebe <thekid@thekid.de>
Date: Thu, 28 Mar 2024 20:50:54 +0100
Subject: [PATCH] Fix lang.IndexOutOfBoundsException (Undefined array key 1)

---
 src/main/php/xp/command/CmdRunner.class.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main/php/xp/command/CmdRunner.class.php b/src/main/php/xp/command/CmdRunner.class.php
index 29776b4..9fd738a 100755
--- a/src/main/php/xp/command/CmdRunner.class.php
+++ b/src/main/php/xp/command/CmdRunner.class.php
@@ -95,9 +95,12 @@ protected function commandUsage(Type $type) {
     if ('' === (string)$comment) {
       $markdown= '# '.$type->name()."\n\n";
       $text= '';
+    } else if (false === ($p= strpos($comment, "\n"))) {
+      $markdown= '# '.$comment."\n\n";
+      $text= '';
     } else {
-      @list($headline, $text)= explode("\n", $comment, 2);
-      $markdown= '# '.ltrim($headline, ' #')."\n\n";
+      $markdown= '# '.ltrim(substr($comment, 0, $p), ' #')."\n\n";
+      $text= substr($comment, $p + 1);
     }
 
     $markdown.= "- Usage\n  ```sh\n$ xp cmd ".Commands::nameOf($type->class());