void CacheManager::cleanDirectory(const Directory& dir) const {
LDEBUG("Cleaning directory '" << dir << "'");
// First search for all subdirectories and call this function recursively on them
std::vector<std::string> contents = dir.readDirectories();
for (const auto& content : contents) {
if (FileSys.directoryExists(content)) {
cleanDirectory(content);
}
}
// We get to this point in the recursion if either all subdirectories have been
// deleted or there exists a file somewhere in the directory tree
contents = dir.read();
bool isEmpty = contents.empty();
#ifdef __APPLE__
// Apple stores the .DS_Store directory in the directory which can be removed
std::string dsStore = FileSys.pathByAppendingComponent(dir, ".DS_Store");
isEmpty |= ((contents.size() == 1) && contents[0] == dsStore);
#endif
// If this directory is empty, we can delete it
if (isEmpty) {
LDEBUG("Deleting directory '" << dir << "'");
FileSys.deleteDirectory(dir);
}
}
bool safeCleanDirectory( const std::string &dir ) {
try {
cleanDirectory( dir );
return true;
} catch (...) {
printf( "[util::fs] Cannot clean directory: %s\n", dir.c_str() );
return false;
}
}
