flagTraceAll = flag.Bool("xx", false, fmt.Sprintf("trace (sh -x) all targets (%s=1)", EnvTrace))
flagStderrKeep = flag.Bool("logs", false, fmt.Sprintf("keep job's stderr (%s=1)", EnvStderrKeep))
flagStderrSilent = flag.Bool("silent", false, fmt.Sprintf("do not print job's stderr (%s=1)", EnvStderrSilent))
flagTraceAll = flag.Bool("xx", false, fmt.Sprintf("trace (sh -x) all targets (%s=1)", EnvTrace))
flagStderrKeep = flag.Bool("logs", false, fmt.Sprintf("keep job's stderr (%s=1)", EnvStderrKeep))
flagStderrSilent = flag.Bool("silent", false, fmt.Sprintf("do not print job's stderr (%s=1)", EnvStderrSilent))