feat(experiment): use charm prompt with login (#349)

Author: zimeg

cmd/auth/login.go

@@ -18,6 +18,8 @@ import (
 	"context"
 	"fmt"
 
+	"github.com/slackapi/slack-cli/internal/config"
+	"github.com/slackapi/slack-cli/internal/experiment"
 	"github.com/slackapi/slack-cli/internal/iostreams"
 	authpkg "github.com/slackapi/slack-cli/internal/pkg/auth"
 	"github.com/slackapi/slack-cli/internal/shared"
@@ -109,7 +111,7 @@ func RunLoginCommand(clients *shared.ClientFactory, cmd *cobra.Command) (types.S
 			return types.SlackAuth{}, err
 		}
 		if selectedAuth.Token != "" {
-			printAuthSuccess(cmd, clients.IO, credentialsPath, selectedAuth.Token)
+			printAuthSuccess(cmd, clients.Config, clients.IO, credentialsPath, selectedAuth.Token)
 			printAuthNextSteps(ctx, clients)
 		}
 		return selectedAuth, err
@@ -119,14 +121,14 @@ func RunLoginCommand(clients *shared.ClientFactory, cmd *cobra.Command) (types.S
 	if err != nil {
 		return types.SlackAuth{}, err
 	} else {
-		printAuthSuccess(cmd, clients.IO, credentialsPath, selectedAuth.Token)
+		printAuthSuccess(cmd, clients.Config, clients.IO, credentialsPath, selectedAuth.Token)
 		printAuthNextSteps(ctx, clients)
 	}
 
 	return selectedAuth, nil
 }
 
-func printAuthSuccess(cmd *cobra.Command, IO iostreams.IOStreamer, credentialsPath string, token string) {
+func printAuthSuccess(cmd *cobra.Command, config *config.Config, IO iostreams.IOStreamer, credentialsPath string, token string) {
 	ctx := cmd.Context()
 
 	var secondaryLog string
@@ -136,7 +138,13 @@ func printAuthSuccess(cmd *cobra.Command, IO iostreams.IOStreamer, credentialsPa
 		secondaryLog = fmt.Sprintf("Service token:\n\n  %s\n\nMake sure to copy the token now and save it safely.", token)
 	}
 
-	IO.PrintInfo(ctx, false, "\n%s", style.Sectionf(style.TextSection{
+	// The legacy prompt leaves no blank line before the success message, so
+	// print one here. The Charm-based prompt already handles spacing.
+	if !config.WithExperimentOn(experiment.Charm) {
+		IO.PrintInfo(ctx, false, "")
+	}
+
+	IO.PrintInfo(ctx, false, "%s", style.Sectionf(style.TextSection{
 		Emoji:     "key",
 		Text:      "You've successfully authenticated!",
 		Secondary: []string{secondaryLog},

cmd/root.go

@@ -22,6 +22,7 @@ import (
 	"strings"
 	"syscall"
 
+	"github.com/charmbracelet/huh"
 	"github.com/slackapi/slack-cli/cmd/app"
 	"github.com/slackapi/slack-cli/cmd/auth"
 	"github.com/slackapi/slack-cli/cmd/collaborators"
@@ -144,6 +145,10 @@ func Init(ctx context.Context) (*cobra.Command, *shared.ClientFactory) {
 	// updateNotification will check for an update in the background and print a message after the command runs
 	var updateNotification *update.UpdateNotification
 
+	// Override huh's default user abort error with a Slack CLI error so that
+	// cancelled prompts are handled consistently as process interruptions.
+	huh.ErrUserAborted = slackerror.New(slackerror.ErrProcessInterrupted)
+
 	clients = shared.NewClientFactory(shared.SetVersion(version.Raw()))
 	rootCmd := NewRootCommand(clients, updateNotification)
 

go.mod

@@ -5,6 +5,7 @@ go 1.26.0
 require (
 	github.com/AlecAivazis/survey/v2 v2.3.7
 	github.com/briandowns/spinner v1.23.2
+	github.com/charmbracelet/huh v0.8.0
 	github.com/cli/safeexec v1.0.1
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.3
@@ -34,26 +35,49 @@ require (
 	github.com/HdrHistogram/hdrhistogram-go v1.1.2 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/ProtonMail/go-crypto v1.3.0 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/catppuccin/go v0.3.0 // indirect
 	github.com/chainguard-dev/git-urls v1.0.2 // indirect
-	github.com/cloudflare/circl v1.6.1 // indirect
-	github.com/creack/pty v1.1.18 // indirect
-	github.com/cyphar/filepath-securejoin v0.5.0 // indirect
+	github.com/charmbracelet/bubbles v1.0.0 // indirect
+	github.com/charmbracelet/bubbletea v1.3.10 // indirect
+	github.com/charmbracelet/colorprofile v0.4.2 // indirect
+	github.com/charmbracelet/lipgloss v1.1.0 // indirect
+	github.com/charmbracelet/x/ansi v0.11.6 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.15 // indirect
+	github.com/charmbracelet/x/exp/strings v0.1.0 // indirect
+	github.com/charmbracelet/x/term v0.2.2 // indirect
+	github.com/clipperhouse/displaywidth v0.11.0 // indirect
+	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
+	github.com/cloudflare/circl v1.6.3 // indirect
+	github.com/cyphar/filepath-securejoin v0.6.1 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
-	github.com/go-git/go-billy/v5 v5.6.2 // indirect
+	github.com/go-git/go-billy/v5 v5.7.0 // indirect
 	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/hinshun/vt10x v0.0.0-20220301184237-5011da428d02 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
-	github.com/kevinburke/ssh_config v1.4.0 // indirect
+	github.com/kevinburke/ssh_config v1.6.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.20 // indirect
+	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/pjbgf/sha1cd v0.5.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/sergi/go-diff v1.4.0 // indirect
 	github.com/skeema/knownhosts v1.3.2 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.45.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	golang.org/x/crypto v0.48.0 // indirect
+	golang.org/x/net v0.50.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
-	k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 // indirect
+	k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 // indirect
 )
 
 require (
@@ -71,6 +95,6 @@ require (
 	github.com/stretchr/objx v0.5.3 // indirect
 	github.com/uber/jaeger-lib v2.4.1+incompatible // indirect
 	go.uber.org/atomic v1.11.0 // indirect
-	golang.org/x/term v0.37.0 // indirect
+	golang.org/x/term v0.40.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )