db/update/Walk: add code comments

ee802867 · Max Kellermann · ecaa51e3 · ee802867
Commit ee802867 authored Oct 28, 2020 by Max Kellermann
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 0 deletions

Walk.cxx src/db/update/Walk.cxx +4 -0

No files found.
--- 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;