From 3f03cfa14d53c17f74802d17797c39d4e2cb2856 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Tue, 21 Aug 2012 10:42:01 +0200
Subject: [PATCH] RemoveEmptyDirectories() now ignores dot files

---
 HISTORY |  4 ++++
 tools.c | 21 ++++++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/HISTORY b/HISTORY
index 759f400e..5e2ca522 100644
--- a/HISTORY
+++ b/HISTORY
@@ -7198,3 +7198,7 @@ Video Disk Recorder Revision History
   (thanks to Mehdi Karamnejad for reporting a problem with garbled UTF-8 EPG data
   and helping to debug it).
 - Updated the Finnish OSD texts (thanks to Rolf Ahrenberg).
+- When checking whether a video directory is empty, file names that start with a
+  dot ('.') are now ignored and will be implicitly removed if the directory contains
+  no other files. This fixes the leftover ".sort" files that were introduced in
+  version 1.7.29.
diff --git a/tools.c b/tools.c
index bc01a5f0..3d9c513c 100644
--- a/tools.c
+++ b/tools.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.c 2.24 2012/05/12 13:29:20 kls Exp $
+ * $Id: tools.c 2.25 2012/08/21 10:34:37 kls Exp $
  */
 
 #include "tools.h"
@@ -435,6 +435,7 @@ bool RemoveFileOrDir(const char *FileName, bool FollowSymlinks)
 
 bool RemoveEmptyDirectories(const char *DirName, bool RemoveThis)
 {
+  bool HasDotFiles = false;
   cReadDir d(DirName);
   if (d.Ok()) {
      bool empty = true;
@@ -448,6 +449,8 @@ bool RemoveEmptyDirectories(const char *DirName, bool RemoveThis)
                     if (!RemoveEmptyDirectories(buffer, true))
                        empty = false;
                     }
+                 else if (*e->d_name == '.') // "dot files" don't count
+                    HasDotFiles = true;
                  else
                     empty = false;
                  }
@@ -458,6 +461,22 @@ bool RemoveEmptyDirectories(const char *DirName, bool RemoveThis)
               }
            }
      if (RemoveThis && empty) {
+        if (HasDotFiles) {
+           cReadDir d(DirName);
+           if (d.Ok()) {
+              struct dirent *e;
+              while ((e = d.Next()) != NULL) {
+                    if (*e->d_name == '.') { // for safety - should always be true
+                       cString buffer = AddDirectory(DirName, e->d_name);
+                       dsyslog("removing %s", *buffer);
+                       if (remove(buffer) < 0) {
+                          LOG_ERROR_STR(*buffer);
+                          return false;
+                          }
+                       }
+                    }
+              }
+           }
         dsyslog("removing %s", DirName);
         if (remove(DirName) < 0) {
            LOG_ERROR_STR(DirName);