Avoid iCloud syncing

gistfile1.m

- (BOOL) addSkipBackupAttributeToItemAtURL:(NSURL *)URL
{
    const char* filePath = [[URL path] fileSystemRepresentation];
        
    const char* attrName = "com.apple.MobileBackup";
    u_int8_t attrValue = 1;
        
    int result = setxattr(filePath, attrName, &attrValue, sizeof(attrValue), 0, 0);
    return result == 0;
}