an empty environment with no prior uses of the -w flag.

For more about environment variables, see 'go help environment'.
	`,
}

func init() {
	CmdEnv.Run = runEnv // break init cycle
	base.AddChdirFlag(&CmdEnv.Flag)
	base.AddBuildFlagsNX(&CmdEnv.Flag)
}

var (
	envJson    = CmdEnv.Flag.Bool("json", false, "")
	envU       = CmdEnv.Flag.Bool("u", false, "")
	envW       = CmdEnv.Flag.Bool("w", false, "")

)

// AddBuildFlags adds the flags common to the build, clean, get,
// install, list, run, and test commands.
func AddBuildFlags(cmd *base.Command, mask BuildFlagMask) {
	base.AddBuildFlagsNX(&cmd.Flag)
	base.AddChdirFlag(&cmd.Flag)
	cmd.Flag.BoolVar(&cfg.BuildA, "a", false, "")
	cmd.Flag.IntVar(&cfg.BuildP, "p", cfg.BuildP, "")
	if mask&OmitVFlag == 0 {
		cmd.Flag.BoolVar(&cfg.BuildV, "v", false, "")
	}