ExternalTask *task = new ExternalTask(argv, work_dir);
task->set_stdin(FS::basename(input_path));
task->set_stdout(FS::relative(apk.get_path(), work_dir));
ChainedTask *chain = new ChainedTask(task);
ExternalTask *task = new ExternalTask(argv, work_dir);
task->set_stdin(FS::basename(input_path));
task->set_stdout(FS::relative(apk.get_path(), work_dir));
ChainedTask *chain = new ChainedTask(task);