From ee802867dfa5d03b3c5e0fe4cebdaf2f6280c15b Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Wed, 28 Oct 2020 14:23:01 +0100
Subject: [PATCH] db/update/Walk: add code comments
---
src/db/update/Walk.cxx | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/db/update/Walk.cxx b/src/db/update/Walk.cxx
index 6ac12776e..fc4af265a 100644
--- a/src/db/update/Walk.cxx
+++ b/src/db/update/Walk.cxx
@@ -94,12 +94,16 @@ UpdateWalk::PurgeDeletedFromDirectory(Directory &directory) noexcept
{
directory.ForEachChildSafe([&](Directory &child){
if (child.IsMount())
+ /* mount points are always preserved */
return;
if (DirectoryExists(storage, child) &&
child.IsPluginAvailable())
return;
+ /* the directory was deleted (or the plugin which
+ handles this "virtual" directory is unavailable) */
+
editor.LockDeleteDirectory(&child);
modified = true;