Add workaround to allow autocomplete install/uninstall via a normal command (#576)

internal/cmd/commands.go

@@ -256,6 +256,24 @@ func initCommands(ui, serverCmdUi cli.Ui, runOpts *RunOptions) {
 				Func:    "get-token",
 			}, nil
 		},
+		"config autocomplete": func() (cli.Command, error) {
+			return &config.AutocompleteCommand{
+				Command: base.NewCommand(ui),
+				Func:    "base",
+			}, nil
+		},
+		"config autocomplete install": func() (cli.Command, error) {
+			return &config.AutocompleteCommand{
+				Command: base.NewCommand(ui),
+				Func:    "install",
+			}, nil
+		},
+		"config autocomplete uninstall": func() (cli.Command, error) {
+			return &config.AutocompleteCommand{
+				Command: base.NewCommand(ui),
+				Func:    "uninstall",
+			}, nil
+		},
 
 		"database": func() (cli.Command, error) {
 			return &database.Command{

internal/cmd/commands/config/autocomplete.go

@@ -0,0 +1,58 @@
+package config
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/boundary/internal/cmd/base"
+	"github.com/mitchellh/cli"
+)
+
+var _ cli.Command = (*Command)(nil)
+
+type AutocompleteCommand struct {
+	*base.Command
+
+	Func string
+}
+
+func (c *AutocompleteCommand) Synopsis() string {
+	verb := "Install"
+	switch c.Func {
+	case "uninstall":
+		verb = "Uninstall"
+	case "base":
+		verb = "Install or uninstall"
+	}
+
+	return fmt.Sprintf("%s autocompletion for Boundary's CLI", verb)
+}
+
+func (c *AutocompleteCommand) Help() string {
+	verb := "installs"
+	switch c.Func {
+	case "uninstall":
+		verb = "uninstalls"
+	case "base":
+		verb = "installs or uninstalls"
+	}
+
+	subcmd := ""
+	switch c.Func {
+	case "uninstall":
+		subcmd = " uninstall"
+	case "install":
+		subcmd = " install"
+	}
+	return base.WrapForHelpText([]string{
+		fmt.Sprintf("Usage: boundary config autocomplete%s [options] [args]", subcmd),
+		"",
+		fmt.Sprintf("  This command %s autocompletion support for Boundary's CLI", verb),
+	})
+}
+
+func (c *AutocompleteCommand) Run(args []string) int {
+	if len(args) > 0 {
+		return cli.RunResultHelp
+	}
+	return 0
+}

internal/cmd/main.go

@@ -21,6 +21,18 @@ import (
 // setupEnv parses args and may replace them and sets some env vars to known
 // values based on format options
 func setupEnv(args []string) (retArgs []string, format string, outputCurlString bool) {
+	// handle the workaround for autocomplete install/uninstall not being exported
+	if len(args) == 3 &&
+		args[0] == "config" &&
+		args[1] == "autocomplete" {
+		switch args[2] {
+		case "install":
+			return []string{"-autocomplete-install"}, "table", false
+		case "uninstall":
+			return []string{"-autocomplete-uninstall"}, "table", false
+		}
+	}
+
 	var nextArgFormat bool
 
 	for _, arg := range args {