copy function
Implementation
void copy(FileSystemEntity entity, Directory destDir,
[GrinderContext context]) {
log('copying ${entity.path} to ${destDir.path}');
return _copyImpl(entity, destDir, context);
}
void copy(FileSystemEntity entity, Directory destDir,
[GrinderContext context]) {
log('copying ${entity.path} to ${destDir.path}');
return _copyImpl(entity, destDir, context);
}