From 6bf91fa40a48d455cf05d22e7de9427ffb7e9360 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Thu, 29 Sep 2016 09:17:31 +0200
Subject: [PATCH] Make sure MercurialProcessor fails gracefully

---
 src/Monolog/Processor/MercurialProcessor.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/Monolog/Processor/MercurialProcessor.php b/src/Monolog/Processor/MercurialProcessor.php
index 1be3f292..7c07a7e9 100644
--- a/src/Monolog/Processor/MercurialProcessor.php
+++ b/src/Monolog/Processor/MercurialProcessor.php
@@ -51,9 +51,13 @@ class MercurialProcessor
         }
 
         $result = explode(' ', trim(`hg id -nb`));
-        return self::$cache = array(
-            'branch' => $result[1],
-            'revision' => $result[2],
-        );
+        if (count($result) >= 3) {
+            return self::$cache = array(
+                'branch' => $result[1],
+                'revision' => $result[2],
+            );
+        }
+
+        return self::$cache = array();
     }
 }