From cbcbbd9423c72f1aa9efb5c6e2a8cda99e510a4c Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Fri, 4 Sep 2015 16:17:27 +0200
Subject: Avoid re-propagation of shares during one propagation run

* fix was proposed by @nickvergessen
---
 apps/files_sharing/lib/propagation/recipientpropagator.php | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'apps')

diff --git a/apps/files_sharing/lib/propagation/recipientpropagator.php b/apps/files_sharing/lib/propagation/recipientpropagator.php
index 11764106861..420cacb3d2f 100644
--- a/apps/files_sharing/lib/propagation/recipientpropagator.php
+++ b/apps/files_sharing/lib/propagation/recipientpropagator.php
@@ -126,7 +126,13 @@ class RecipientPropagator {
 		});
 	}
 
+	protected $propagatingIds = [];
+
 	public function propagateById($id) {
+		if (isset($this->propagatingIds[$id])) {
+			return;
+		}
+		$this->propagatingIds[$id] = true;
 		$shares = Share::getAllSharesForFileId($id);
 		foreach ($shares as $share) {
 			// propagate down the share tree
@@ -141,5 +147,7 @@ class RecipientPropagator {
 				$watcher->writeHook(['path' => $path]);
 			}
 		}
+
+		unset($this->propagatingIds[$id]);
 	}
 }
-- 
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