From c29138311614cba8bc4699a0afa485aefe621b6b Mon Sep 17 00:00:00 2001
From: Robin McCorkell <rmccorkell@karoshi.org.uk>
Date: Fri, 9 Jan 2015 13:13:02 +0000
Subject: [PATCH] Memcache binary executable searching

It's slow, this makes it fast!
---
 lib/private/helper.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/private/helper.php b/lib/private/helper.php
index 8e9b7d3b6f3..86cc0850bc3 100644
--- a/lib/private/helper.php
+++ b/lib/private/helper.php
@@ -882,13 +882,19 @@ class OC_Helper {
 	 * @return null|string
 	 */
 	public static function findBinaryPath($program) {
+		$memcache = \OC::$server->getMemCacheFactory()->create('findBinaryPath');
+		if ($memcache->hasKey($program)) {
+			return $memcache->get($program);
+		}
+		$result = null;
 		if (!\OC_Util::runningOnWindows() && self::is_function_enabled('exec')) {
 			exec('command -v ' . escapeshellarg($program) . ' 2> /dev/null', $output, $returnCode);
 			if ($returnCode === 0 && count($output) > 0) {
-				return escapeshellcmd($output[0]);
+				$result = escapeshellcmd($output[0]);
 			}
 		}
-		return null;
+		$memcache->set($program, $result, 3600);
+		return $result;
 	}
 
 	/**
-- 
2.39.5