var helperCommands = map[string]func(...string){
	"echo":          cmdEcho,
	"echoenv":       cmdEchoEnv,
	"cat":           cmdCat,
	"pipetest":      cmdPipeTest,
	"stdinClose":    cmdStdinClose,
	"exit":          cmdExit,
	"describefiles": cmdDescribeFiles,
	"stderrfail":    cmdStderrFail,
	"yes":           cmdYes,
	"hang":          cmdHang,
}

func cmdEcho(args ...string) {
	iargs := []any{}
	for _, s := range args {

and downgrading of dependencies should be done using 'go get'.
See 'go help modules' for an overview of module functionality.
	`,

	Commands: []*base.Command{
		cmdDownload,
		cmdEdit,
		cmdGraph,
		cmdInit,
		cmdTidy,
		cmdVendor,
		cmdVerify,
		cmdWhy,
	},

modules.

To determine whether the go command is operating in workspace mode, use
the "go env GOWORK" command. This will specify the workspace file being
used.
`,

	Commands: []*base.Command{
		cmdEdit,
		cmdInit,
		cmdSync,
		cmdUse,
		cmdVendor,
	},

func init() {
	cmdEdit.Run = runEditwork // break init cycle

	cmdEdit.Flag.Var(flagFunc(flagEditworkGodebug), "godebug", "")
	cmdEdit.Flag.Var(flagFunc(flagEditworkDropGodebug), "dropgodebug", "")
	cmdEdit.Flag.Var(flagFunc(flagEditworkUse), "use", "")
	cmdEdit.Flag.Var(flagFunc(flagEditworkDropUse), "dropuse", "")
	cmdEdit.Flag.Var(flagFunc(flagEditworkReplace), "replace", "")

func init() {
	cmdEdit.Run = runEdit // break init cycle

	cmdEdit.Flag.Var(flagFunc(flagGodebug), "godebug", "")
	cmdEdit.Flag.Var(flagFunc(flagDropGodebug), "dropgodebug", "")
	cmdEdit.Flag.Var(flagFunc(flagRequire), "require", "")
	cmdEdit.Flag.Var(flagFunc(flagDropRequire), "droprequire", "")
	cmdEdit.Flag.Var(flagFunc(flagExclude), "exclude", "")
	cmdEdit.Flag.Var(flagFunc(flagDropExclude), "dropexclude", "")

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")
	}
	var modPath string

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

	gowork := modload.WorkFilePath()

		// don't search for other extensions (not "cmd.bat.exe").
		pathExt = strings.Split(os.Getenv("PathExt"), string(filepath.ListSeparator))
		searchExt = true
		cmdExt := filepath.Ext(command)
		for _, ext := range pathExt {
			if strEqual(cmdExt, ext) {
				searchExt = false
				break
			}
		}
		isExecutable = func(fi os.FileInfo) bool {
			return fi.Mode().IsRegular()
		}
	} else {