}
			return
		}
		f := cmd.Flag.Lookup("C")
		if f == nil {
			t.Errorf("%s has no -C flag", name)
		} else if f.Usage != "AddChdirFlag" {
			t.Errorf("%s has -C flag but not from AddChdirFlag", name)
		}
	}
	walk("go", base.Go)

	flags.BoolVar(&cfg.BuildN, "n", false, "")
	flags.BoolVar(&cfg.BuildX, "x", false, "")
}

// AddChdirFlag adds the -C flag to the flag set.
func AddChdirFlag(flags *flag.FlagSet) {
	// The usage message is never printed, but it's used in chdir_test.go
	// to identify that the -C flag is from AddChdirFlag.
	flags.Func("C", "AddChdirFlag", ChdirFlag)
}

// AddModFlag adds the -mod build flag to the flag set.

Gopkg.lock), and the current directory (if in GOPATH).

See https://golang.org/ref/mod#go-mod-init for more about 'go mod init'.
`,
	Run: runInit,
}

func init() {
	base.AddChdirFlag(&cmdInit.Flag)
	base.AddModCommonFlags(&cmdInit.Flag)
}

func runInit(ctx context.Context, cmd *base.Command, args []string) {
	if len(args) > 1 {
		base.Fatalf("go: 'go mod init' accepts at most one argument")
	}

current go version will also be listed in the go.work file.

See the workspaces reference at https://go.dev/ref/mod#workspaces
for more information.
`,
	Run: runInit,
}

func init() {
	base.AddChdirFlag(&cmdInit.Flag)
	base.AddModCommonFlags(&cmdInit.Flag)
}

func runInit(ctx context.Context, cmd *base.Command, args []string) {
	modload.InitWorkfile()

	modload.ForceUseModules = true

func init() {
	cmdVendor.Flag.BoolVar(&cfg.BuildV, "v", false, "")
	cmdVendor.Flag.BoolVar(&vendorE, "e", false, "")
	cmdVendor.Flag.StringVar(&vendorO, "o", "", "")
	base.AddChdirFlag(&cmdVendor.Flag)
	base.AddModCommonFlags(&cmdVendor.Flag)
}

func runVendor(ctx context.Context, cmd *base.Command, args []string) {
	modload.InitWorkfile()
	if modload.WorkFilePath() == "" {

	"path/filepath"

	"cmd/go/internal/base"
	"cmd/go/internal/cfg"
	"cmd/go/internal/load"
	"cmd/go/internal/modload"
	"cmd/internal/sys"
)

func init() {
	base.AddBuildFlagsNX(&CmdFmt.Flag)
	base.AddChdirFlag(&CmdFmt.Flag)
	base.AddModFlag(&CmdFmt.Flag)
	base.AddModCommonFlags(&CmdFmt.Flag)
}

var CmdFmt = &base.Command{
	Run:       runFmt,
	UsageLine: "go fmt [-n] [-x] [packages]",

	`,
	Run: runGraph,
}

var (
	graphGo goVersionFlag
)

func init() {
	cmdGraph.Flag.Var(&graphGo, "go", "")
	cmdGraph.Flag.BoolVar(&cfg.BuildX, "x", false, "")
	base.AddChdirFlag(&cmdGraph.Flag)
	base.AddModCommonFlags(&cmdGraph.Flag)
}

func runGraph(ctx context.Context, cmd *base.Command, args []string) {
	modload.InitWorkfile()

	if len(args) > 0 {

modules have been changed and causes 'go mod' to exit with a
non-zero status.

See https://golang.org/ref/mod#go-mod-verify for more about 'go mod verify'.
	`,
	Run: runVerify,
}

func init() {
	base.AddChdirFlag(&cmdVerify.Flag)
	base.AddModCommonFlags(&cmdVerify.Flag)
}

func runVerify(ctx context.Context, cmd *base.Command, args []string) {
	modload.InitWorkfile()

	if len(args) != 0 {

To disable both collection and uploading, run "go telemetry off".

See https://go.dev/doc/telemetry for more information on telemetry.
`,
	Run: runTelemetry,
}

func init() {
	base.AddChdirFlag(&CmdTelemetry.Flag)
}

func runTelemetry(ctx context.Context, cmd *base.Command, args []string) {
	if len(args) == 0 {
		fmt.Println(telemetry.Mode())
		return
	}

	if len(args) != 1 {
		cmd.Usage()

information consists of multiple lines following the version line, each
indented by a leading tab character.

See also: go doc runtime/debug.BuildInfo.
`,
}

func init() {
	base.AddChdirFlag(&CmdVersion.Flag)
	CmdVersion.Run = runVersion // break init cycle
}

var (
	versionM = CmdVersion.Flag.Bool("m", false, "")
	versionV = CmdVersion.Flag.Bool("v", false, "")
)