From fdb936cb8d051ee1fbe8370679cf215dfe014165 Mon Sep 17 00:00:00 2001
From: leo-lb <lle-bout@zaclys.net>
Date: Wed, 20 May 2020 18:24:43 +0200
Subject: [PATCH] Fix deadlock in SCSSCacher

Fixes https://github.com/nextcloud/server/pull/15794#issuecomment-631573831
---
 lib/private/Template/SCSSCacher.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/private/Template/SCSSCacher.php b/lib/private/Template/SCSSCacher.php
index 427588ddddf2f..487e5664c294e 100644
--- a/lib/private/Template/SCSSCacher.php
+++ b/lib/private/Template/SCSSCacher.php
@@ -175,6 +175,10 @@ public function process(string $root, string $file, string $app): bool {
 				$retry++;
 			}
 			$this->logger->debug('SCSSCacher: Giving up scss caching for '.$lockKey, ['app' => 'core']);
+			
+			// Cleaning lock
+			$this->lockingCache->remove($lockKey);
+			
 			return false;
 		}