rred: truncate result file before writing to it

[apt.git] / apt-pkg / clean.cc

diff --git a/apt-pkg/clean.cc b/apt-pkg/clean.cc
index 0fca60ba94c43f30acde501202f1d4ccf9b95265..fe57c26a2287da6015394321a857242b753e27c6 100644 (file)
--- a/apt-pkg/clean.cc
+++ b/apt-pkg/clean.cc
@@ -38,6 +38,11 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
    if(Dir == "/")
       return _error->Error(_("Clean of %s is not supported"), Dir.c_str());
 
+   // non-existing directories are always clean
+   // we do not check for a directory explicitly to support symlinks
+   if (FileExists(Dir) == false)
+      return true;
+
    DIR *D = opendir(Dir.c_str());
    if (D == 0)
       return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str());
@@ -54,6 +59,7 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
       // Skip some files..
       if (strcmp(Dir->d_name,"lock") == 0 ||
          strcmp(Dir->d_name,"partial") == 0 ||
+         strcmp(Dir->d_name,"lost+found") == 0 ||
          strcmp(Dir->d_name,".") == 0 ||
          strcmp(Dir->d_name,"..") == 0)
         continue;
@@ -132,4 +138,5 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
 }
                                                                        /*}}}*/
 
+pkgArchiveCleaner::pkgArchiveCleaner() : d(NULL) {}
 APT_CONST pkgArchiveCleaner::~pkgArchiveCleaner() {}