Switch UI to bubbletea (#1888)

* add bubbletea UI

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* swap pipeline to go 1.20.x and add attest guard for cosign binary

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* update note in developing.md about the required golang version

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix merge conflict for windows path handling

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* temp test for attest handler

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* add addtional test iterations for background reader

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

---------

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

.github/actions/bootstrap/action.yaml

@@ -4,7 +4,7 @@ inputs:
   go-version:
     description: "Go version to install"
     required: true
-    default: "1.19.x"
+    default: "1.20.x"
   use-go-cache:
     description: "Restore go cache"
     required: true

.gitignore

@@ -1,5 +1,6 @@
 go.work
 go.work.sum
+/bin
 /.bin
 CHANGELOG.md
 VERSION

cmd/syft/cli/attest.go

@@ -43,6 +43,7 @@ func Attest(v *viper.Viper, app *config.Application, ro *options.RootOptions, po
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if app.CheckForAppUpdate {
 				checkForApplicationUpdate()
+				// TODO: this is broke, the bus isn't available yet
 			}
 
 			return attest.Run(cmd.Context(), app, args)

cmd/syft/cli/attest/attest.go

@@ -16,11 +16,11 @@ import (
 	"github.com/anchore/syft/cmd/syft/cli/eventloop"
 	"github.com/anchore/syft/cmd/syft/cli/options"
 	"github.com/anchore/syft/cmd/syft/cli/packages"
+	"github.com/anchore/syft/cmd/syft/internal/ui"
 	"github.com/anchore/syft/internal/bus"
 	"github.com/anchore/syft/internal/config"
 	"github.com/anchore/syft/internal/file"
 	"github.com/anchore/syft/internal/log"
-	"github.com/anchore/syft/internal/ui"
 	"github.com/anchore/syft/syft"
 	"github.com/anchore/syft/syft/event"
 	"github.com/anchore/syft/syft/event/monitor"
@@ -39,6 +39,13 @@ func Run(_ context.Context, app *config.Application, args []string) error {
 	// note: must be a container image
 	userInput := args[0]
 
+	_, err = exec.LookPath("cosign")
+	if err != nil {
+		// when cosign is not installed the error will be rendered like so:
+		// 2023/06/30 08:31:52 error during command execution: 'syft attest' requires cosign to be installed: exec: "cosign": executable file not found in $PATH
+		return fmt.Errorf("'syft attest' requires cosign to be installed: %w", err)
+	}
+
 	eventBus := partybus.NewBus()
 	stereoscope.SetBus(eventBus)
 	syft.SetBus(eventBus)
@@ -119,7 +126,7 @@ func execWorker(app *config.Application, userInput string) <-chan error {
 	errs := make(chan error)
 	go func() {
 		defer close(errs)
-		defer bus.Publish(partybus.Event{Type: event.Exit})
+		defer bus.Exit()
 
 		s, err := buildSBOM(app, userInput, errs)
 		if err != nil {
@@ -207,8 +214,8 @@ func execWorker(app *config.Application, userInput string) <-chan error {
 					Context: "cosign",
 				},
 				Value: &monitor.ShellProgress{
-					Reader: r,
+					Reader:       r,
-					Manual: mon,
+					Progressable: mon,
 				},
 			},
 		)

cmd/syft/cli/commands.go

@@ -125,7 +125,7 @@ func checkForApplicationUpdate() {
 		log.Infof("new version of %s is available: %s (current version is %s)", internal.ApplicationName, newVersion, version.FromBuild().Version)
 
 		bus.Publish(partybus.Event{
-			Type:  event.AppUpdateAvailable,
+			Type:  event.CLIAppUpdateAvailable,
 			Value: newVersion,
 		})
 	} else {

cmd/syft/cli/convert.go

@@ -43,6 +43,7 @@ func Convert(v *viper.Viper, app *config.Application, ro *options.RootOptions, p
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if app.CheckForAppUpdate {
 				checkForApplicationUpdate()
+				// TODO: this is broke, the bus isn't available yet
 			}
 			return convert.Run(cmd.Context(), app, args)
 		},

cmd/syft/cli/convert/convert.go

@@ -6,20 +6,29 @@ import (
 	"io"
 	"os"
 
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/stereoscope"
+	"github.com/anchore/syft/cmd/syft/cli/eventloop"
 	"github.com/anchore/syft/cmd/syft/cli/options"
+	"github.com/anchore/syft/cmd/syft/internal/ui"
+	"github.com/anchore/syft/internal/bus"
 	"github.com/anchore/syft/internal/config"
 	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/syft"
 	"github.com/anchore/syft/syft/formats"
+	"github.com/anchore/syft/syft/sbom"
 )
 
 func Run(_ context.Context, app *config.Application, args []string) error {
 	log.Warn("convert is an experimental feature, run `syft convert -h` for help")
+
 	writer, err := options.MakeSBOMWriter(app.Outputs, app.File, app.OutputTemplatePath)
 	if err != nil {
 		return err
 	}
 
-	// this can only be a SBOM file
+	// could be an image or a directory, with or without a scheme
 	userInput := args[0]
 
 	var reader io.ReadCloser
@@ -37,10 +46,40 @@ func Run(_ context.Context, app *config.Application, args []string) error {
 		reader = f
 	}
 
-	sbom, _, err := formats.Decode(reader)
+	eventBus := partybus.NewBus()
-	if err != nil {
+	stereoscope.SetBus(eventBus)
-		return fmt.Errorf("failed to decode SBOM: %w", err)
+	syft.SetBus(eventBus)
-	}
+	subscription := eventBus.Subscribe()
 
-	return writer.Write(*sbom)
+	return eventloop.EventLoop(
+		execWorker(reader, writer),
+		eventloop.SetupSignals(),
+		subscription,
+		stereoscope.Cleanup,
+		ui.Select(options.IsVerbose(app), app.Quiet)...,
+	)
+}
+
+func execWorker(reader io.Reader, writer sbom.Writer) <-chan error {
+	errs := make(chan error)
+	go func() {
+		defer close(errs)
+		defer bus.Exit()
+
+		s, _, err := formats.Decode(reader)
+		if err != nil {
+			errs <- fmt.Errorf("failed to decode SBOM: %w", err)
+			return
+		}
+
+		if s == nil {
+			errs <- fmt.Errorf("no SBOM produced")
+			return
+		}
+
+		if err := writer.Write(*s); err != nil {
+			errs <- fmt.Errorf("failed to write SBOM: %w", err)
+		}
+	}()
+	return errs
 }

cmd/syft/cli/eventloop/event_loop.go

@@ -8,20 +8,20 @@ import (
 	"github.com/hashicorp/go-multierror"
 	"github.com/wagoodman/go-partybus"
 
+	"github.com/anchore/clio"
 	"github.com/anchore/syft/internal/log"
-	"github.com/anchore/syft/internal/ui"
 )
 
-// eventLoop listens to worker errors (from execution path), worker events (from a partybus subscription), and
+// EventLoop listens to worker errors (from execution path), worker events (from a partybus subscription), and
 // signal interrupts. Is responsible for handling each event relative to a given UI an to coordinate eventing until
 // an eventual graceful exit.
-func EventLoop(workerErrs <-chan error, signals <-chan os.Signal, subscription *partybus.Subscription, cleanupFn func(), uxs ...ui.UI) error {
+func EventLoop(workerErrs <-chan error, signals <-chan os.Signal, subscription *partybus.Subscription, cleanupFn func(), uxs ...clio.UI) error {
 	defer cleanupFn()
 	events := subscription.Events()
 	var err error
-	var ux ui.UI
+	var ux clio.UI
 
-	if ux, err = setupUI(subscription.Unsubscribe, uxs...); err != nil {
+	if ux, err = setupUI(subscription, uxs...); err != nil {
 		return err
 	}
 
@@ -85,9 +85,9 @@ func EventLoop(workerErrs <-chan error, signals <-chan os.Signal, subscription *
 // during teardown. With the given UIs, the first UI which the ui.Setup() function does not return an error
 // will be utilized in execution. Providing a set of UIs allows for the caller to provide graceful fallbacks
 // when there are environmental problem (e.g. unable to setup a TUI with the current TTY).
-func setupUI(unsubscribe func() error, uis ...ui.UI) (ui.UI, error) {
+func setupUI(subscription *partybus.Subscription, uis ...clio.UI) (clio.UI, error) {
 	for _, ux := range uis {
-		if err := ux.Setup(unsubscribe); err != nil {
+		if err := ux.Setup(subscription); err != nil {
 			log.Warnf("unable to setup given UI, falling back to alternative UI: %+v", err)
 			continue
 		}

cmd/syft/cli/eventloop/event_loop_test.go

@@ -11,34 +11,37 @@ import (
 	"github.com/stretchr/testify/mock"
 	"github.com/wagoodman/go-partybus"
 
-	"github.com/anchore/syft/internal/ui"
+	"github.com/anchore/clio"
 	"github.com/anchore/syft/syft/event"
 )
 
-var _ ui.UI = (*uiMock)(nil)
+var _ clio.UI = (*uiMock)(nil)
 
 type uiMock struct {
-	t           *testing.T
+	t            *testing.T
-	finalEvent  partybus.Event
+	finalEvent   partybus.Event
-	unsubscribe func() error
+	subscription partybus.Unsubscribable
 	mock.Mock
 }
 
-func (u *uiMock) Setup(unsubscribe func() error) error {
+func (u *uiMock) Setup(unsubscribe partybus.Unsubscribable) error {
+	u.t.Helper()
 	u.t.Logf("UI Setup called")
-	u.unsubscribe = unsubscribe
+	u.subscription = unsubscribe
-	return u.Called(unsubscribe).Error(0)
+	return u.Called(unsubscribe.Unsubscribe).Error(0)
 }
 
 func (u *uiMock) Handle(event partybus.Event) error {
+	u.t.Helper()
 	u.t.Logf("UI Handle called: %+v", event.Type)
 	if event == u.finalEvent {
-		assert.NoError(u.t, u.unsubscribe())
+		assert.NoError(u.t, u.subscription.Unsubscribe())
 	}
 	return u.Called(event).Error(0)
 }
 
 func (u *uiMock) Teardown(_ bool) error {
+	u.t.Helper()
 	u.t.Logf("UI Teardown called")
 	return u.Called().Error(0)
 }
@@ -51,7 +54,7 @@ func Test_EventLoop_gracefulExit(t *testing.T) {
 		t.Cleanup(testBus.Close)
 
 		finalEvent := partybus.Event{
-			Type: event.Exit,
+			Type: event.CLIExit,
 		}
 
 		worker := func() <-chan error {
@@ -183,7 +186,7 @@ func Test_EventLoop_unsubscribeError(t *testing.T) {
 		t.Cleanup(testBus.Close)
 
 		finalEvent := partybus.Event{
-			Type: event.Exit,
+			Type: event.CLIExit,
 		}
 
 		worker := func() <-chan error {
@@ -252,7 +255,7 @@ func Test_EventLoop_handlerError(t *testing.T) {
 		t.Cleanup(testBus.Close)
 
 		finalEvent := partybus.Event{
-			Type:  event.Exit,
+			Type:  event.CLIExit,
 			Error: fmt.Errorf("an exit error occured"),
 		}
 
@@ -377,7 +380,7 @@ func Test_EventLoop_uiTeardownError(t *testing.T) {
 		t.Cleanup(testBus.Close)
 
 		finalEvent := partybus.Event{
-			Type: event.Exit,
+			Type: event.CLIExit,
 		}
 
 		worker := func() <-chan error {

cmd/syft/cli/options/writer.go

@@ -1,6 +1,7 @@
 package options
 
 import (
+	"bytes"
 	"fmt"
 	"io"
 	"os"
@@ -10,6 +11,7 @@ import (
 	"github.com/hashicorp/go-multierror"
 	"github.com/mitchellh/go-homedir"
 
+	"github.com/anchore/syft/internal/bus"
 	"github.com/anchore/syft/internal/log"
 	"github.com/anchore/syft/syft/formats"
 	"github.com/anchore/syft/syft/formats/table"
@@ -114,14 +116,6 @@ type sbomMultiWriter struct {
 	writers []sbom.Writer
 }
 
-type nopWriteCloser struct {
-	io.Writer
-}
-
-func (n nopWriteCloser) Close() error {
-	return nil
-}
-
 // newSBOMMultiWriter create all report writers from input options; if a file is not specified the given defaultWriter is used
 func newSBOMMultiWriter(options ...sbomWriterDescription) (_ *sbomMultiWriter, err error) {
 	if len(options) == 0 {
@@ -133,9 +127,8 @@ func newSBOMMultiWriter(options ...sbomWriterDescription) (_ *sbomMultiWriter, e
 	for _, option := range options {
 		switch len(option.Path) {
 		case 0:
-			out.writers = append(out.writers, &sbomStreamWriter{
+			out.writers = append(out.writers, &sbomPublisher{
 				format: option.Format,
-				out:    nopWriteCloser{Writer: os.Stdout},
 			})
 		default:
 			// create any missing subdirectories
@@ -195,3 +188,19 @@ func (w *sbomStreamWriter) Close() error {
 	}
 	return nil
 }
+
+// sbomPublisher implements sbom.Writer that publishes results to the event bus
+type sbomPublisher struct {
+	format sbom.Format
+}
+
+// Write the provided SBOM to the data stream
+func (w *sbomPublisher) Write(s sbom.SBOM) error {
+	buf := &bytes.Buffer{}
+	if err := w.format.Encode(buf, s); err != nil {
+		return fmt.Errorf("unable to encode SBOM: %w", err)
+	}
+
+	bus.Report(buf.String())
+	return nil
+}

cmd/syft/cli/options/writer_test.go

@@ -191,6 +191,8 @@ func Test_newSBOMMultiWriter(t *testing.T) {
 					if e.file != "" {
 						assert.FileExists(t, tmp+e.file)
 					}
+				case *sbomPublisher:
+					assert.Equal(t, string(w.format.ID()), e.format)
 				default:
 					t.Fatalf("unknown writer type: %T", w)
 				}

cmd/syft/cli/packages.go

@@ -70,6 +70,7 @@ func Packages(v *viper.Viper, app *config.Application, ro *options.RootOptions,
 		SilenceErrors: true,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if app.CheckForAppUpdate {
+				// TODO: this is broke, the bus isn't available yet
 				checkForApplicationUpdate()
 			}
 			return packages.Run(cmd.Context(), app, args)

cmd/syft/cli/packages/packages.go

@@ -10,15 +10,14 @@ import (
 	"github.com/anchore/stereoscope/pkg/image"
 	"github.com/anchore/syft/cmd/syft/cli/eventloop"
 	"github.com/anchore/syft/cmd/syft/cli/options"
+	"github.com/anchore/syft/cmd/syft/internal/ui"
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/internal/bus"
 	"github.com/anchore/syft/internal/config"
 	"github.com/anchore/syft/internal/file"
-	"github.com/anchore/syft/internal/ui"
 	"github.com/anchore/syft/internal/version"
 	"github.com/anchore/syft/syft"
 	"github.com/anchore/syft/syft/artifact"
-	"github.com/anchore/syft/syft/event"
 	"github.com/anchore/syft/syft/formats/template"
 	"github.com/anchore/syft/syft/sbom"
 	"github.com/anchore/syft/syft/source"
@@ -52,10 +51,12 @@ func Run(_ context.Context, app *config.Application, args []string) error {
 	)
 }
 
+// nolint:funlen
 func execWorker(app *config.Application, userInput string, writer sbom.Writer) <-chan error {
 	errs := make(chan error)
 	go func() {
 		defer close(errs)
+		defer bus.Exit()
 
 		detection, err := source.Detect(
 			userInput,
@@ -115,12 +116,13 @@ func execWorker(app *config.Application, userInput string, writer sbom.Writer) <
 
 		if s == nil {
 			errs <- fmt.Errorf("no SBOM produced for %q", userInput)
+			return
 		}
 
-		bus.Publish(partybus.Event{
+		if err := writer.Write(*s); err != nil {
-			Type:  event.Exit,
+			errs <- fmt.Errorf("failed to write SBOM: %w", err)
-			Value: func() error { return writer.Write(*s) },
+			return
-		})
+		}
 	}()
 	return errs
 }

cmd/syft/cli/poweruser.go

@@ -41,6 +41,7 @@ func PowerUser(v *viper.Viper, app *config.Application, ro *options.RootOptions)
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if app.CheckForAppUpdate {
 				checkForApplicationUpdate()
+				// TODO: this is broke, the bus isn't available yet
 			}
 			return poweruser.Run(cmd.Context(), app, args)
 		},

cmd/syft/cli/poweruser/poweruser.go

@@ -13,14 +13,13 @@ import (
 	"github.com/anchore/syft/cmd/syft/cli/eventloop"
 	"github.com/anchore/syft/cmd/syft/cli/options"
 	"github.com/anchore/syft/cmd/syft/cli/packages"
+	"github.com/anchore/syft/cmd/syft/internal/ui"
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/internal/bus"
 	"github.com/anchore/syft/internal/config"
-	"github.com/anchore/syft/internal/ui"
 	"github.com/anchore/syft/internal/version"
 	"github.com/anchore/syft/syft"
 	"github.com/anchore/syft/syft/artifact"
-	"github.com/anchore/syft/syft/event"
 	"github.com/anchore/syft/syft/formats/syftjson"
 	"github.com/anchore/syft/syft/sbom"
 	"github.com/anchore/syft/syft/source"
@@ -59,6 +58,7 @@ func execWorker(app *config.Application, userInput string, writer sbom.Writer) <
 	errs := make(chan error)
 	go func() {
 		defer close(errs)
+		defer bus.Exit()
 
 		app.Secrets.Cataloger.Enabled = true
 		app.FileMetadata.Cataloger.Enabled = true
@@ -133,10 +133,10 @@ func execWorker(app *config.Application, userInput string, writer sbom.Writer) <
 
 		s.Relationships = append(s.Relationships, packages.MergeRelationships(relationships...)...)
 
-		bus.Publish(partybus.Event{
+		if err := writer.Write(s); err != nil {
-			Type:  event.Exit,
+			errs <- fmt.Errorf("failed to write sbom: %w", err)
-			Value: func() error { return writer.Write(s) },
+			return
-		})
+		}
 	}()
 
 	return errs

cmd/syft/cli/ui/__snapshots__/handle_attestation_test.snap

@@ -0,0 +1,19 @@
+
+[TestHandler_handleAttestationStarted/attesting_in_progress/task_line - 1]
+ ⠋ Creating a thing                                                                running a thing
+---
+
+[TestHandler_handleAttestationStarted/attesting_in_progress/log - 1]
+     ░░ contents
+     ░░ of
+     ░░ stuff!
+
+---
+
+[TestHandler_handleAttestationStarted/attesting_complete/task_line - 1]
+ ✔ Created a thing                                                                 running a thing
+---
+
+[TestHandler_handleAttestationStarted/attesting_complete/log - 1]
+
+---

cmd/syft/cli/ui/__snapshots__/handle_cataloger_task_test.snap

@@ -0,0 +1,16 @@
+
+[TestHandler_handleCatalogerTaskStarted/cataloging_task_in_progress - 1]
+   some task title                 [some value]  
+---
+
+[TestHandler_handleCatalogerTaskStarted/cataloging_sub_task_in_progress - 1]
+   └── some task title             [some value]  
+---
+
+[TestHandler_handleCatalogerTaskStarted/cataloging_sub_task_complete - 1]
+ ✔ └── some task done              [some value]  
+---
+
+[TestHandler_handleCatalogerTaskStarted/cataloging_sub_task_complete_with_removal - 1]
+
+---

cmd/syft/cli/ui/__snapshots__/handle_fetch_image_test.snap

@@ -0,0 +1,8 @@
+
+[TestHandler_handleFetchImage/fetch_image_in_progress - 1]
+ ⠋ Loading image                   ━━━━━━━━━━━━━━━━━━━━  [current]                       the-image
+---
+
+[TestHandler_handleFetchImage/fetch_image_complete - 1]
+ ✔ Loaded image                                                                          the-image
+---

cmd/syft/cli/ui/__snapshots__/handle_file_digests_cataloger_test.snap

@@ -0,0 +1,8 @@
+
+[TestHandler_handleFileDigestsCatalogerStarted/cataloging_in_progress - 1]
+ ⠋ Cataloging file digests         ━━━━━━━━━━━━━━━━━━━━  [current]  
+---
+
+[TestHandler_handleFileDigestsCatalogerStarted/cataloging_complete - 1]
+ ✔ Cataloged file digests          
+---

cmd/syft/cli/ui/__snapshots__/handle_file_indexing_test.snap

@@ -0,0 +1,8 @@
+
+[TestHandler_handleFileIndexingStarted/cataloging_in_progress - 1]
+ ⠋ Indexing file system            ━━━━━━━━━━━━━━━━━━━━  [current]                      /some/path
+---
+
+[TestHandler_handleFileIndexingStarted/cataloging_complete - 1]
+ ✔ Indexed file system                                                                  /some/path
+---

cmd/syft/cli/ui/__snapshots__/handle_file_metadata_cataloger_test.snap

@@ -0,0 +1,8 @@
+
+[TestHandler_handleFileMetadataCatalogerStarted/cataloging_in_progress - 1]
+ ⠋ Cataloging file metadata        ━━━━━━━━━━━━━━━━━━━━  [current]  
+---
+
+[TestHandler_handleFileMetadataCatalogerStarted/cataloging_complete - 1]
+ ✔ Cataloged file metadata         
+---

cmd/syft/cli/ui/__snapshots__/handle_package_cataloger_test.snap

@@ -0,0 +1,16 @@
+
+[TestHandler_handlePackageCatalogerStarted/cataloging_in_progress - 1]
+ ⠋ Cataloging packages             [50 packages]  
+---
+
+[TestHandler_handlePackageCatalogerStarted/cataloging_only_files_complete - 1]
+ ⠋ Cataloging packages             [50 packages]  
+---
+
+[TestHandler_handlePackageCatalogerStarted/cataloging_only_packages_complete - 1]
+ ⠋ Cataloging packages             [100 packages]  
+---
+
+[TestHandler_handlePackageCatalogerStarted/cataloging_complete - 1]
+ ✔ Cataloged packages              [100 packages]  
+---

cmd/syft/cli/ui/__snapshots__/handle_pull_docker_image_test.snap

@@ -0,0 +1,12 @@
+
+[Test_dockerPullStatusFormatter_Render/pulling - 1]
+3 Layers▕▅▃ ▏[12 B / 30 B]
+---
+
+[Test_dockerPullStatusFormatter_Render/download_complete - 1]
+3 Layers▕█▃ ▏[30 B] Extracting...
+---
+
+[Test_dockerPullStatusFormatter_Render/complete - 1]
+3 Layers▕███▏[30 B] Extracting...
+---

cmd/syft/cli/ui/__snapshots__/handle_read_image_test.snap

@@ -0,0 +1,8 @@
+
+[TestHandler_handleReadImage/read_image_in_progress - 1]
+ ⠋ Parsing image                   ━━━━━━━━━━━━━━━━━━━━                                         id
+---
+
+[TestHandler_handleReadImage/read_image_complete - 1]
+ ✔ Parsed image                                                                                 id
+---

cmd/syft/cli/ui/__snapshots__/handle_secrets_cataloger_test.snap

@@ -0,0 +1,8 @@
+
+[TestHandler_handleSecretsCatalogerStarted/cataloging_in_progress - 1]
+ ⠋ Cataloging secrets              ━━━━━━━━━━━━━━━━━━━━  [64 secrets]  
+---
+
+[TestHandler_handleSecretsCatalogerStarted/cataloging_complete - 1]
+ ✔ Cataloged secrets               [64 secrets]  
+---

cmd/syft/cli/ui/handle_attestation.go

@@ -0,0 +1,247 @@
+package ui
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"strings"
+	"sync"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/google/uuid"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+	"github.com/zyedidia/generic/queue"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+)
+
+var (
+	_ tea.Model          = (*attestLogFrame)(nil)
+	_ cosignOutputReader = (*backgroundLineReader)(nil)
+)
+
+type attestLogFrame struct {
+	reader     cosignOutputReader
+	prog       progress.Progressable
+	lines      []string
+	completed  bool
+	failed     bool
+	windowSize tea.WindowSizeMsg
+
+	id       uint32
+	sequence int
+
+	updateDuration time.Duration
+	borderStype    lipgloss.Style
+}
+
+// attestLogFrameTickMsg indicates that the timer has ticked and we should render a frame.
+type attestLogFrameTickMsg struct {
+	Time     time.Time
+	Sequence int
+	ID       uint32
+}
+
+type cosignOutputReader interface {
+	Lines() []string
+}
+
+type backgroundLineReader struct {
+	limit int
+	lines *queue.Queue[string]
+	lock  *sync.RWMutex
+}
+
+func (m *Handler) handleAttestationStarted(e partybus.Event) []tea.Model {
+	reader, prog, taskInfo, err := syftEventParsers.ParseAttestationStartedEvent(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	stage := progress.Stage{}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: taskInfo.Title.Default,
+			Running: taskInfo.Title.WhileRunning,
+			Success: taskInfo.Title.OnSuccess,
+		},
+		taskprogress.WithStagedProgressable(
+			struct {
+				progress.Progressable
+				progress.Stager
+			}{
+				Progressable: prog,
+				Stager:       &stage,
+			},
+		),
+	)
+
+	tsk.HideStageOnSuccess = false
+
+	if taskInfo.Context != "" {
+		tsk.Context = []string{taskInfo.Context}
+	}
+
+	borderStyle := tsk.HintStyle
+
+	return []tea.Model{
+		tsk,
+		newLogFrame(newBackgroundLineReader(m.Running, reader, &stage), prog, borderStyle),
+	}
+}
+
+func newLogFrame(reader cosignOutputReader, prog progress.Progressable, borderStyle lipgloss.Style) attestLogFrame {
+	return attestLogFrame{
+		reader:         reader,
+		prog:           prog,
+		id:             uuid.Must(uuid.NewUUID()).ID(),
+		updateDuration: 250 * time.Millisecond,
+		borderStype:    borderStyle,
+	}
+}
+
+func newBackgroundLineReader(wg *sync.WaitGroup, reader io.Reader, stage *progress.Stage) *backgroundLineReader {
+	wg.Add(1)
+	r := &backgroundLineReader{
+		limit: 7,
+		lock:  &sync.RWMutex{},
+		lines: queue.New[string](),
+	}
+
+	go func() {
+		defer wg.Done()
+		r.read(reader, stage)
+	}()
+
+	return r
+}
+
+func (l *backgroundLineReader) read(reader io.Reader, stage *progress.Stage) {
+	s := bufio.NewScanner(reader)
+
+	for s.Scan() {
+		l.lock.Lock()
+
+		text := s.Text()
+		l.lines.Enqueue(text)
+
+		if strings.Contains(text, "tlog entry created with index") {
+			fields := strings.SplitN(text, ":", 2)
+			present := text
+			if len(fields) == 2 {
+				present = fmt.Sprintf("transparency log index: %s", fields[1])
+			}
+			stage.Current = present
+		} else if strings.Contains(text, "WARNING: skipping transparency log upload") {
+			stage.Current = "transparency log upload skipped"
+		}
+
+		// only show the last X lines of the shell output
+		for l.lines.Len() > l.limit {
+			l.lines.Dequeue()
+		}
+
+		l.lock.Unlock()
+	}
+}
+
+func (l backgroundLineReader) Lines() []string {
+	l.lock.RLock()
+	defer l.lock.RUnlock()
+
+	var lines []string
+
+	l.lines.Each(func(line string) {
+		lines = append(lines, line)
+	})
+
+	return lines
+}
+
+func (l attestLogFrame) Init() tea.Cmd {
+	// this is the periodic update of state information
+	return func() tea.Msg {
+		return attestLogFrameTickMsg{
+			// The time at which the tick occurred.
+			Time: time.Now(),
+
+			// The ID of the log frame that this message belongs to. This can be
+			// helpful when routing messages, however bear in mind that log frames
+			// will ignore messages that don't contain ID by default.
+			ID: l.id,
+
+			Sequence: l.sequence,
+		}
+	}
+}
+
+func (l attestLogFrame) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		l.windowSize = msg
+		return l, nil
+
+	case attestLogFrameTickMsg:
+		l.lines = l.reader.Lines()
+
+		l.completed = progress.IsCompleted(l.prog)
+		err := l.prog.Error()
+		l.failed = err != nil && !progress.IsErrCompleted(err)
+
+		tickCmd := l.handleTick(msg)
+
+		return l, tickCmd
+	}
+
+	return l, nil
+}
+
+func (l attestLogFrame) View() string {
+	if l.completed && !l.failed {
+		return ""
+	}
+
+	sb := strings.Builder{}
+
+	for _, line := range l.lines {
+		sb.WriteString(fmt.Sprintf("     %s %s\n", l.borderStype.Render("░░"), line))
+	}
+
+	return sb.String()
+}
+
+func (l attestLogFrame) queueNextTick() tea.Cmd {
+	return tea.Tick(l.updateDuration, func(t time.Time) tea.Msg {
+		return attestLogFrameTickMsg{
+			Time:     t,
+			ID:       l.id,
+			Sequence: l.sequence,
+		}
+	})
+}
+
+func (l *attestLogFrame) handleTick(msg attestLogFrameTickMsg) tea.Cmd {
+	// If an ID is set, and the ID doesn't belong to this log frame, reject the message.
+	if msg.ID > 0 && msg.ID != l.id {
+		return nil
+	}
+
+	// If a sequence is set, and it's not the one we expect, reject the message.
+	// This prevents the log frame from receiving too many messages and
+	// thus updating too frequently.
+	if msg.Sequence > 0 && msg.Sequence != l.sequence {
+		return nil
+	}
+
+	l.sequence++
+
+	// note: even if the log is completed we should still respond to stage changes and window size events
+	return l.queueNextTick()
+}

cmd/syft/cli/ui/handle_attestation_test.go

@@ -0,0 +1,133 @@
+package ui
+
+import (
+	"strings"
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/event/monitor"
+)
+
+func TestHandler_handleAttestationStarted(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "attesting in progress",
+			// note: this model depends on a background reader. Multiple iterations ensures that the
+			// reader has time to at least start and process the test fixture before the runModel
+			// test harness completes (which is a fake event loop anyway).
+			iterations: 2,
+			eventFn: func(t *testing.T) partybus.Event {
+				reader := strings.NewReader("contents\nof\nstuff!")
+
+				src := monitor.GenericTask{
+					Title: monitor.Title{
+						Default:      "Create a thing",
+						WhileRunning: "Creating a thing",
+						OnSuccess:    "Created a thing",
+					},
+					Context: "running a thing",
+				}
+
+				mon := progress.NewManual(-1)
+				mon.Set(50)
+
+				value := &monitor.ShellProgress{
+					Reader:       reader,
+					Progressable: mon,
+				}
+
+				return partybus.Event{
+					Type:   syftEvent.AttestationStarted,
+					Source: src,
+					Value:  value,
+				}
+			},
+		},
+		{
+			name: "attesting complete",
+			// note: this model depends on a background reader. Multiple iterations ensures that the
+			// reader has time to at least start and process the test fixture before the runModel
+			// test harness completes (which is a fake event loop anyway).
+			iterations: 2,
+			eventFn: func(t *testing.T) partybus.Event {
+				reader := strings.NewReader("contents\nof\nstuff!")
+
+				src := monitor.GenericTask{
+					Title: monitor.Title{
+						Default:      "Create a thing",
+						WhileRunning: "Creating a thing",
+						OnSuccess:    "Created a thing",
+					},
+					Context: "running a thing",
+				}
+
+				mon := progress.NewManual(-1)
+				mon.Set(50)
+				mon.SetCompleted()
+
+				value := &monitor.ShellProgress{
+					Reader:       reader,
+					Progressable: mon,
+				}
+
+				return partybus.Event{
+					Type:   syftEvent.AttestationStarted,
+					Source: src,
+					Value:  value,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 2)
+
+			t.Run("task line", func(t *testing.T) {
+				tsk, ok := models[0].(taskprogress.Model)
+				require.True(t, ok)
+
+				got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+					Time:     time.Now(),
+					Sequence: tsk.Sequence(),
+					ID:       tsk.ID(),
+				})
+				t.Log(got)
+				snaps.MatchSnapshot(t, got)
+			})
+
+			t.Run("log", func(t *testing.T) {
+				log, ok := models[1].(attestLogFrame)
+				require.True(t, ok)
+				got := runModel(t, log, tt.iterations, attestLogFrameTickMsg{
+					Time:     time.Now(),
+					Sequence: log.sequence,
+					ID:       log.id,
+				})
+				t.Log(got)
+				snaps.MatchSnapshot(t, got)
+			})
+
+		})
+	}
+}

cmd/syft/cli/ui/handle_cataloger_task.go

@@ -0,0 +1,72 @@
+package ui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/syft/event/monitor"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+)
+
+var _ progress.Stager = (*catalogerTaskStageAdapter)(nil)
+
+type catalogerTaskStageAdapter struct {
+	mon *monitor.CatalogerTask
+}
+
+func newCatalogerTaskStageAdapter(mon *monitor.CatalogerTask) *catalogerTaskStageAdapter {
+	return &catalogerTaskStageAdapter{
+		mon: mon,
+	}
+}
+
+func (c catalogerTaskStageAdapter) Stage() string {
+	return c.mon.GetValue()
+}
+
+func (m *Handler) handleCatalogerTaskStarted(e partybus.Event) []tea.Model {
+	mon, err := syftEventParsers.ParseCatalogerTaskStarted(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	var prefix string
+	if mon.SubStatus {
+		// TODO: support list of sub-statuses, not just a single leaf
+		prefix = "└── "
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			// TODO: prefix should not be part of the title, but instead a separate field that is aware of the tree structure
+			Default: prefix + mon.Title,
+			Running: prefix + mon.Title,
+			Success: prefix + mon.TitleOnCompletion,
+		},
+		taskprogress.WithStagedProgressable(
+			struct {
+				progress.Stager
+				progress.Progressable
+			}{
+				Progressable: mon.GetMonitor(),
+				Stager:       newCatalogerTaskStageAdapter(mon),
+			},
+		),
+	)
+
+	// TODO: this isn't ideal since the model stays around after it is no longer needed, but it works for now
+	tsk.HideOnSuccess = mon.RemoveOnCompletion
+	tsk.HideStageOnSuccess = false
+	tsk.HideProgressOnSuccess = false
+
+	tsk.TitleStyle = lipgloss.NewStyle()
+	// TODO: this is a hack to get the spinner to not show up, but ideally the component would support making the spinner optional
+	tsk.Spinner.Spinner.Frames = []string{" "}
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_cataloger_task_test.go

@@ -0,0 +1,123 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/event/monitor"
+)
+
+func TestHandler_handleCatalogerTaskStarted(t *testing.T) {
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "cataloging task in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				src := &monitor.CatalogerTask{
+					SubStatus:          false,
+					RemoveOnCompletion: false,
+					Title:              "some task title",
+					TitleOnCompletion:  "some task done",
+				}
+
+				src.SetValue("some value")
+
+				return partybus.Event{
+					Type:   syftEvent.CatalogerTaskStarted,
+					Source: src,
+				}
+			},
+		},
+		{
+			name: "cataloging sub task in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				src := &monitor.CatalogerTask{
+					SubStatus:          true,
+					RemoveOnCompletion: false,
+					Title:              "some task title",
+					TitleOnCompletion:  "some task done",
+				}
+
+				src.SetValue("some value")
+
+				return partybus.Event{
+					Type:   syftEvent.CatalogerTaskStarted,
+					Source: src,
+				}
+			},
+		},
+		{
+			name: "cataloging sub task complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				src := &monitor.CatalogerTask{
+					SubStatus:          true,
+					RemoveOnCompletion: false,
+					Title:              "some task title",
+					TitleOnCompletion:  "some task done",
+				}
+
+				src.SetValue("some value")
+				src.SetCompleted()
+
+				return partybus.Event{
+					Type:   syftEvent.CatalogerTaskStarted,
+					Source: src,
+				}
+			},
+		},
+		{
+			name: "cataloging sub task complete with removal",
+			eventFn: func(t *testing.T) partybus.Event {
+				src := &monitor.CatalogerTask{
+					SubStatus:          true,
+					RemoveOnCompletion: true,
+					Title:              "some task title",
+					TitleOnCompletion:  "some task done",
+				}
+
+				src.SetValue("some value")
+				src.SetCompleted()
+
+				return partybus.Event{
+					Type:   syftEvent.CatalogerTaskStarted,
+					Source: src,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_fetch_image.go

@@ -0,0 +1,32 @@
+package ui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	stereoEventParsers "github.com/anchore/stereoscope/pkg/event/parsers"
+	"github.com/anchore/syft/internal/log"
+)
+
+func (m *Handler) handleFetchImage(e partybus.Event) []tea.Model {
+	imgName, prog, err := stereoEventParsers.ParseFetchImage(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Load image",
+			Running: "Loading image",
+			Success: "Loaded image",
+		},
+		taskprogress.WithStagedProgressable(prog),
+	)
+	if imgName != "" {
+		tsk.Context = []string{imgName}
+	}
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_fetch_image_test.go

@@ -0,0 +1,99 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	stereoscopeEvent "github.com/anchore/stereoscope/pkg/event"
+)
+
+func TestHandler_handleFetchImage(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "fetch image in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:   stereoscopeEvent.FetchImage,
+					Source: "the-image",
+					Value:  mon,
+				}
+			},
+		},
+		{
+			name: "fetch image complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:   stereoscopeEvent.FetchImage,
+					Source: "the-image",
+					Value:  mon,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_file_digests_cataloger.go

@@ -0,0 +1,28 @@
+package ui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+)
+
+func (m *Handler) handleFileDigestsCatalogerStarted(e partybus.Event) []tea.Model {
+	prog, err := syftEventParsers.ParseFileDigestsCatalogingStarted(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Catalog file digests",
+			Running: "Cataloging file digests",
+			Success: "Cataloged file digests",
+		}, taskprogress.WithStagedProgressable(prog),
+	)
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_file_digests_cataloger_test.go

@@ -0,0 +1,97 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+)
+
+func TestHandler_handleFileDigestsCatalogerStarted(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "cataloging in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.FileDigestsCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+		{
+			name: "cataloging complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.FileDigestsCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_file_indexing.go

@@ -0,0 +1,31 @@
+package ui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+)
+
+func (m *Handler) handleFileIndexingStarted(e partybus.Event) []tea.Model {
+	path, prog, err := syftEventParsers.ParseFileIndexingStarted(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Index files system",
+			Running: "Indexing file system",
+			Success: "Indexed file system",
+		},
+		taskprogress.WithStagedProgressable(prog),
+	)
+
+	tsk.Context = []string{path}
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_file_indexing_test.go

@@ -0,0 +1,99 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+)
+
+func TestHandler_handleFileIndexingStarted(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "cataloging in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:   syftEvent.FileIndexingStarted,
+					Source: "/some/path",
+					Value:  mon,
+				}
+			},
+		},
+		{
+			name: "cataloging complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:   syftEvent.FileIndexingStarted,
+					Source: "/some/path",
+					Value:  mon,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_file_metadata_cataloger.go

@@ -0,0 +1,29 @@
+package ui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+)
+
+func (m *Handler) handleFileMetadataCatalogerStarted(e partybus.Event) []tea.Model {
+	prog, err := syftEventParsers.ParseFileMetadataCatalogingStarted(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Catalog file metadata",
+			Running: "Cataloging file metadata",
+			Success: "Cataloged file metadata",
+		},
+		taskprogress.WithStagedProgressable(prog),
+	)
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_file_metadata_cataloger_test.go

@@ -0,0 +1,97 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+)
+
+func TestHandler_handleFileMetadataCatalogerStarted(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "cataloging in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.FileMetadataCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+		{
+			name: "cataloging complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				mon := struct {
+					progress.Progressable
+					progress.Stager
+				}{
+					Progressable: prog,
+					Stager: &progress.Stage{
+						Current: "current",
+					},
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.FileMetadataCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_package_cataloger.go

@@ -0,0 +1,87 @@
+package ui
+
+import (
+	"fmt"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+	"github.com/anchore/syft/syft/pkg/cataloger"
+)
+
+var _ progress.StagedProgressable = (*packageCatalogerProgressAdapter)(nil)
+
+type packageCatalogerProgressAdapter struct {
+	monitor  *cataloger.Monitor
+	monitors []progress.Monitorable
+}
+
+func newPackageCatalogerProgressAdapter(monitor *cataloger.Monitor) packageCatalogerProgressAdapter {
+	return packageCatalogerProgressAdapter{
+		monitor: monitor,
+		monitors: []progress.Monitorable{
+			monitor.FilesProcessed,
+			monitor.PackagesDiscovered,
+		},
+	}
+}
+
+func (p packageCatalogerProgressAdapter) Stage() string {
+	return fmt.Sprintf("%d packages", p.monitor.PackagesDiscovered.Current())
+}
+
+func (p packageCatalogerProgressAdapter) Current() int64 {
+	return p.monitor.PackagesDiscovered.Current()
+}
+
+func (p packageCatalogerProgressAdapter) Error() error {
+	completedMonitors := 0
+	for _, monitor := range p.monitors {
+		err := monitor.Error()
+		if err == nil {
+			continue
+		}
+		if progress.IsErrCompleted(err) {
+			completedMonitors++
+			continue
+		}
+		// something went wrong
+		return err
+	}
+	if completedMonitors == len(p.monitors) && len(p.monitors) > 0 {
+		return p.monitors[0].Error()
+	}
+	return nil
+}
+
+func (p packageCatalogerProgressAdapter) Size() int64 {
+	// this is an inherently unknown value (indeterminate total number of packages to discover)
+	return -1
+}
+
+func (m *Handler) handlePackageCatalogerStarted(e partybus.Event) []tea.Model {
+	monitor, err := syftEventParsers.ParsePackageCatalogerStarted(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Catalog packages",
+			Running: "Cataloging packages",
+			Success: "Cataloged packages",
+		},
+		taskprogress.WithStagedProgressable(
+			newPackageCatalogerProgressAdapter(monitor),
+		),
+	)
+
+	tsk.HideStageOnSuccess = false
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_package_cataloger_test.go

@@ -0,0 +1,133 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/pkg/cataloger"
+)
+
+func TestHandler_handlePackageCatalogerStarted(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "cataloging in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				mon := cataloger.Monitor{
+					FilesProcessed:     progress.NewManual(-1),
+					PackagesDiscovered: prog,
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.PackageCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+		{
+			name: "cataloging only files complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				files := progress.NewManual(-1)
+				files.SetCompleted()
+
+				mon := cataloger.Monitor{
+					FilesProcessed:     files,
+					PackagesDiscovered: prog,
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.PackageCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+		{
+			name: "cataloging only packages complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				files := progress.NewManual(-1)
+
+				mon := cataloger.Monitor{
+					FilesProcessed:     files,
+					PackagesDiscovered: prog,
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.PackageCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+		{
+			name: "cataloging complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				files := progress.NewManual(-1)
+				files.SetCompleted()
+
+				mon := cataloger.Monitor{
+					FilesProcessed:     files,
+					PackagesDiscovered: prog,
+				}
+
+				return partybus.Event{
+					Type:  syftEvent.PackageCatalogerStarted,
+					Value: mon,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_pull_docker_image.go

@@ -0,0 +1,201 @@
+package ui
+
+import (
+	"fmt"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/dustin/go-humanize"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	stereoscopeParsers "github.com/anchore/stereoscope/pkg/event/parsers"
+	"github.com/anchore/stereoscope/pkg/image/docker"
+	"github.com/anchore/syft/internal/log"
+)
+
+var _ interface {
+	progress.Stager
+	progress.Progressable
+} = (*dockerPullProgressAdapter)(nil)
+
+type dockerPullStatus interface {
+	Complete() bool
+	Layers() []docker.LayerID
+	Current(docker.LayerID) docker.LayerState
+}
+
+type dockerPullProgressAdapter struct {
+	status    dockerPullStatus
+	formatter dockerPullStatusFormatter
+}
+
+type dockerPullStatusFormatter struct {
+	auxInfoStyle             lipgloss.Style
+	dockerPullCompletedStyle lipgloss.Style
+	dockerPullDownloadStyle  lipgloss.Style
+	dockerPullExtractStyle   lipgloss.Style
+	dockerPullStageChars     []string
+	layerCaps                []string
+}
+
+func (m *Handler) handlePullDockerImage(e partybus.Event) []tea.Model {
+	_, pullStatus, err := stereoscopeParsers.ParsePullDockerImage(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Pull image",
+			Running: "Pulling image",
+			Success: "Pulled image",
+		},
+		taskprogress.WithStagedProgressable(
+			newDockerPullProgressAdapter(pullStatus),
+		),
+	)
+
+	tsk.HintStyle = lipgloss.NewStyle()
+	tsk.HintEndCaps = nil
+
+	return []tea.Model{tsk}
+}
+
+func newDockerPullProgressAdapter(status dockerPullStatus) *dockerPullProgressAdapter {
+	return &dockerPullProgressAdapter{
+		status:    status,
+		formatter: newDockerPullStatusFormatter(),
+	}
+}
+
+func newDockerPullStatusFormatter() dockerPullStatusFormatter {
+	return dockerPullStatusFormatter{
+		auxInfoStyle:             lipgloss.NewStyle().Foreground(lipgloss.Color("#777777")),
+		dockerPullCompletedStyle: lipgloss.NewStyle().Foreground(lipgloss.Color("#fcba03")),
+		dockerPullDownloadStyle:  lipgloss.NewStyle().Foreground(lipgloss.Color("#777777")),
+		dockerPullExtractStyle:   lipgloss.NewStyle().Foreground(lipgloss.Color("#ffffff")),
+		dockerPullStageChars:     strings.Split("▁▃▄▅▆▇█", ""),
+		layerCaps:                strings.Split("▕▏", ""),
+	}
+}
+
+func (d dockerPullProgressAdapter) Size() int64 {
+	return -1
+}
+
+func (d dockerPullProgressAdapter) Current() int64 {
+	return 1
+}
+
+func (d dockerPullProgressAdapter) Error() error {
+	if d.status.Complete() {
+		return progress.ErrCompleted
+	}
+	// TODO: return intermediate error indications
+	return nil
+}
+
+func (d dockerPullProgressAdapter) Stage() string {
+	return d.formatter.Render(d.status)
+}
+
+// Render crafts the given docker image pull status summarized into a single line.
+func (f dockerPullStatusFormatter) Render(pullStatus dockerPullStatus) string {
+	var size, current uint64
+
+	layers := pullStatus.Layers()
+	status := make(map[docker.LayerID]docker.LayerState)
+	completed := make([]string, len(layers))
+
+	// fetch the current state
+	for idx, layer := range layers {
+		completed[idx] = " "
+		status[layer] = pullStatus.Current(layer)
+	}
+
+	numCompleted := 0
+	for idx, layer := range layers {
+		prog := status[layer].PhaseProgress
+		curN := prog.Current()
+		curSize := prog.Size()
+
+		if progress.IsCompleted(prog) {
+			input := f.dockerPullStageChars[len(f.dockerPullStageChars)-1]
+			completed[idx] = f.formatDockerPullPhase(status[layer].Phase, input)
+		} else if curN != 0 {
+			var ratio float64
+			switch {
+			case curN == 0 || curSize < 0:
+				ratio = 0
+			case curN >= curSize:
+				ratio = 1
+			default:
+				ratio = float64(curN) / float64(curSize)
+			}
+
+			i := int(ratio * float64(len(f.dockerPullStageChars)-1))
+			input := f.dockerPullStageChars[i]
+			completed[idx] = f.formatDockerPullPhase(status[layer].Phase, input)
+		}
+
+		if progress.IsErrCompleted(status[layer].DownloadProgress.Error()) {
+			numCompleted++
+		}
+	}
+
+	for _, layer := range layers {
+		prog := status[layer].DownloadProgress
+		size += uint64(prog.Size())
+		current += uint64(prog.Current())
+	}
+
+	var progStr, auxInfo string
+	if len(layers) > 0 {
+		render := strings.Join(completed, "")
+		prefix := f.dockerPullCompletedStyle.Render(fmt.Sprintf("%d Layers", len(layers)))
+		auxInfo = f.auxInfoStyle.Render(fmt.Sprintf("[%s / %s]", humanize.Bytes(current), humanize.Bytes(size)))
+		if len(layers) == numCompleted {
+			auxInfo = f.auxInfoStyle.Render(fmt.Sprintf("[%s] Extracting...", humanize.Bytes(size)))
+		}
+
+		progStr = fmt.Sprintf("%s%s%s%s", prefix, f.layerCap(false), render, f.layerCap(true))
+	}
+
+	return progStr + auxInfo
+}
+
+// formatDockerPullPhase returns a single character that represents the status of a layer pull.
+func (f dockerPullStatusFormatter) formatDockerPullPhase(phase docker.PullPhase, inputStr string) string {
+	switch phase {
+	case docker.WaitingPhase:
+		// ignore any progress related to waiting
+		return " "
+	case docker.PullingFsPhase, docker.DownloadingPhase:
+		return f.dockerPullDownloadStyle.Render(inputStr)
+	case docker.DownloadCompletePhase:
+		return f.dockerPullDownloadStyle.Render(f.dockerPullStageChars[len(f.dockerPullStageChars)-1])
+	case docker.ExtractingPhase:
+		return f.dockerPullExtractStyle.Render(inputStr)
+	case docker.VerifyingChecksumPhase, docker.PullCompletePhase:
+		return f.dockerPullCompletedStyle.Render(inputStr)
+	case docker.AlreadyExistsPhase:
+		return f.dockerPullCompletedStyle.Render(f.dockerPullStageChars[len(f.dockerPullStageChars)-1])
+	default:
+		return inputStr
+	}
+}
+
+func (f dockerPullStatusFormatter) layerCap(end bool) string {
+	l := len(f.layerCaps)
+	if l == 0 {
+		return ""
+	}
+	if end {
+		return f.layerCaps[l-1]
+	}
+	return f.layerCaps[0]
+}

cmd/syft/cli/ui/handle_pull_docker_image_test.go

@@ -0,0 +1,163 @@
+package ui
+
+import (
+	"testing"
+
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/stereoscope/pkg/image/docker"
+)
+
+var _ dockerPullStatus = (*mockDockerPullStatus)(nil)
+
+type mockDockerPullStatus struct {
+	complete bool
+	layers   []docker.LayerID
+	current  map[docker.LayerID]docker.LayerState
+}
+
+func (m mockDockerPullStatus) Complete() bool {
+	return m.complete
+}
+
+func (m mockDockerPullStatus) Layers() []docker.LayerID {
+	return m.layers
+}
+
+func (m mockDockerPullStatus) Current(id docker.LayerID) docker.LayerState {
+	return m.current[id]
+}
+
+func Test_dockerPullStatusFormatter_Render(t *testing.T) {
+
+	tests := []struct {
+		name   string
+		status dockerPullStatus
+	}{
+		{
+			name: "pulling",
+			status: func() dockerPullStatus {
+				complete := progress.NewManual(10)
+				complete.Set(10)
+				complete.SetCompleted()
+
+				quarter := progress.NewManual(10)
+				quarter.Set(2)
+
+				half := progress.NewManual(10)
+				half.Set(6)
+
+				empty := progress.NewManual(10)
+
+				return mockDockerPullStatus{
+					complete: false,
+					layers: []docker.LayerID{
+						"sha256:1",
+						"sha256:2",
+						"sha256:3",
+					},
+					current: map[docker.LayerID]docker.LayerState{
+						"sha256:1": {
+							Phase:            docker.ExtractingPhase,
+							PhaseProgress:    half,
+							DownloadProgress: complete,
+						},
+						"sha256:2": {
+							Phase:            docker.DownloadingPhase,
+							PhaseProgress:    quarter,
+							DownloadProgress: quarter,
+						},
+						"sha256:3": {
+							Phase:            docker.WaitingPhase,
+							PhaseProgress:    empty,
+							DownloadProgress: empty,
+						},
+					},
+				}
+			}(),
+		},
+		{
+			name: "download complete",
+			status: func() dockerPullStatus {
+				complete := progress.NewManual(10)
+				complete.Set(10)
+				complete.SetCompleted()
+
+				quarter := progress.NewManual(10)
+				quarter.Set(2)
+
+				half := progress.NewManual(10)
+				half.Set(6)
+
+				empty := progress.NewManual(10)
+
+				return mockDockerPullStatus{
+					complete: false,
+					layers: []docker.LayerID{
+						"sha256:1",
+						"sha256:2",
+						"sha256:3",
+					},
+					current: map[docker.LayerID]docker.LayerState{
+						"sha256:1": {
+							Phase:            docker.ExtractingPhase,
+							PhaseProgress:    complete,
+							DownloadProgress: complete,
+						},
+						"sha256:2": {
+							Phase:            docker.ExtractingPhase,
+							PhaseProgress:    quarter,
+							DownloadProgress: complete,
+						},
+						"sha256:3": {
+							Phase:            docker.ExtractingPhase,
+							PhaseProgress:    empty,
+							DownloadProgress: complete,
+						},
+					},
+				}
+			}(),
+		},
+		{
+			name: "complete",
+			status: func() dockerPullStatus {
+				complete := progress.NewManual(10)
+				complete.Set(10)
+				complete.SetCompleted()
+
+				return mockDockerPullStatus{
+					complete: true,
+					layers: []docker.LayerID{
+						"sha256:1",
+						"sha256:2",
+						"sha256:3",
+					},
+					current: map[docker.LayerID]docker.LayerState{
+						"sha256:1": {
+							Phase:            docker.PullCompletePhase,
+							PhaseProgress:    complete,
+							DownloadProgress: complete,
+						},
+						"sha256:2": {
+							Phase:            docker.PullCompletePhase,
+							PhaseProgress:    complete,
+							DownloadProgress: complete,
+						},
+						"sha256:3": {
+							Phase:            docker.PullCompletePhase,
+							PhaseProgress:    complete,
+							DownloadProgress: complete,
+						},
+					},
+				}
+			}(),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			f := newDockerPullStatusFormatter()
+			snaps.MatchSnapshot(t, f.Render(tt.status))
+		})
+	}
+}

cmd/syft/cli/ui/handle_read_image.go

@@ -0,0 +1,33 @@
+package ui
+
+import (
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	stereoEventParsers "github.com/anchore/stereoscope/pkg/event/parsers"
+	"github.com/anchore/syft/internal/log"
+)
+
+func (m *Handler) handleReadImage(e partybus.Event) []tea.Model {
+	imgMetadata, prog, err := stereoEventParsers.ParseReadImage(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Parse image",
+			Running: "Parsing image",
+			Success: "Parsed image",
+		},
+		taskprogress.WithProgress(prog),
+	)
+
+	if imgMetadata != nil {
+		tsk.Context = []string{imgMetadata.ID}
+	}
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_read_image_test.go

@@ -0,0 +1,117 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	v1 "github.com/google/go-containerregistry/pkg/v1"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	stereoscopeEvent "github.com/anchore/stereoscope/pkg/event"
+	"github.com/anchore/stereoscope/pkg/image"
+)
+
+func TestHandler_handleReadImage(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "read image in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(50)
+
+				src := image.Metadata{
+					ID:   "id",
+					Size: 42,
+					Config: v1.ConfigFile{
+						Architecture: "arch",
+						Author:       "auth",
+						Container:    "cont",
+						OS:           "os",
+						OSVersion:    "os-ver",
+						Variant:      "vari",
+					},
+					MediaType:      "media",
+					ManifestDigest: "digest",
+					Architecture:   "arch",
+					Variant:        "var",
+					OS:             "os",
+				}
+
+				return partybus.Event{
+					Type:   stereoscopeEvent.ReadImage,
+					Source: src,
+					Value:  prog,
+				}
+			},
+		},
+		{
+			name: "read image complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				prog := &progress.Manual{}
+				prog.SetTotal(100)
+				prog.Set(100)
+				prog.SetCompleted()
+
+				src := image.Metadata{
+					ID:   "id",
+					Size: 42,
+					Config: v1.ConfigFile{
+						Architecture: "arch",
+						Author:       "auth",
+						Container:    "cont",
+						OS:           "os",
+						OSVersion:    "os-ver",
+						Variant:      "vari",
+					},
+					MediaType:      "media",
+					ManifestDigest: "digest",
+					Architecture:   "arch",
+					Variant:        "var",
+					OS:             "os",
+				}
+
+				return partybus.Event{
+					Type:   stereoscopeEvent.ReadImage,
+					Source: src,
+					Value:  prog,
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handle_secrets_cataloger.go

@@ -0,0 +1,57 @@
+package ui
+
+import (
+	"fmt"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	"github.com/anchore/syft/internal/log"
+	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
+	"github.com/anchore/syft/syft/file/cataloger/secrets"
+)
+
+var _ progress.StagedProgressable = (*secretsCatalogerProgressAdapter)(nil)
+
+// Deprecated: will be removed in syft 1.0
+type secretsCatalogerProgressAdapter struct {
+	*secrets.Monitor
+}
+
+// Deprecated: will be removed in syft 1.0
+func newSecretsCatalogerProgressAdapter(monitor *secrets.Monitor) secretsCatalogerProgressAdapter {
+	return secretsCatalogerProgressAdapter{
+		Monitor: monitor,
+	}
+}
+
+func (s secretsCatalogerProgressAdapter) Stage() string {
+	return fmt.Sprintf("%d secrets", s.Monitor.SecretsDiscovered.Current())
+}
+
+// Deprecated: will be removed in syft 1.0
+func (m *Handler) handleSecretsCatalogerStarted(e partybus.Event) []tea.Model {
+	mon, err := syftEventParsers.ParseSecretsCatalogingStarted(e)
+	if err != nil {
+		log.WithFields("error", err).Warn("unable to parse event")
+		return nil
+	}
+
+	tsk := m.newTaskProgress(
+		taskprogress.Title{
+			Default: "Catalog secrets",
+			Running: "Cataloging secrets",
+			Success: "Cataloged secrets",
+		},
+
+		taskprogress.WithStagedProgressable(
+			newSecretsCatalogerProgressAdapter(mon),
+		),
+	)
+
+	tsk.HideStageOnSuccess = false
+
+	return []tea.Model{tsk}
+}

cmd/syft/cli/ui/handle_secrets_cataloger_test.go

@@ -0,0 +1,96 @@
+package ui
+
+import (
+	"testing"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+	"github.com/wagoodman/go-progress"
+
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	syftEvent "github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/file/cataloger/secrets"
+)
+
+func TestHandler_handleSecretsCatalogerStarted(t *testing.T) {
+
+	tests := []struct {
+		name       string
+		eventFn    func(*testing.T) partybus.Event
+		iterations int
+	}{
+		{
+			name: "cataloging in progress",
+			eventFn: func(t *testing.T) partybus.Event {
+				stage := &progress.Stage{
+					Current: "current",
+				}
+				secretsDiscovered := progress.NewManual(-1)
+				secretsDiscovered.Set(64)
+				prog := progress.NewManual(72)
+				prog.Set(50)
+
+				return partybus.Event{
+					Type:   syftEvent.SecretsCatalogerStarted,
+					Source: secretsDiscovered,
+					Value: secrets.Monitor{
+						Stager:            progress.Stager(stage),
+						SecretsDiscovered: secretsDiscovered,
+						Progressable:      prog,
+					},
+				}
+			},
+		},
+		{
+			name: "cataloging complete",
+			eventFn: func(t *testing.T) partybus.Event {
+				stage := &progress.Stage{
+					Current: "current",
+				}
+				secretsDiscovered := progress.NewManual(-1)
+				secretsDiscovered.Set(64)
+				prog := progress.NewManual(72)
+				prog.Set(72)
+				prog.SetCompleted()
+
+				return partybus.Event{
+					Type:   syftEvent.SecretsCatalogerStarted,
+					Source: secretsDiscovered,
+					Value: secrets.Monitor{
+						Stager:            progress.Stager(stage),
+						SecretsDiscovered: secretsDiscovered,
+						Progressable:      prog,
+					},
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			event := tt.eventFn(t)
+			handler := New(DefaultHandlerConfig())
+			handler.WindowSize = tea.WindowSizeMsg{
+				Width:  100,
+				Height: 80,
+			}
+
+			models := handler.Handle(event)
+			require.Len(t, models, 1)
+			model := models[0]
+
+			tsk, ok := model.(taskprogress.Model)
+			require.True(t, ok)
+
+			got := runModel(t, tsk, tt.iterations, taskprogress.TickMsg{
+				Time:     time.Now(),
+				Sequence: tsk.Sequence(),
+				ID:       tsk.ID(),
+			})
+			t.Log(got)
+			snaps.MatchSnapshot(t, got)
+		})
+	}
+}

cmd/syft/cli/ui/handler.go

@@ -0,0 +1,68 @@
+package ui
+
+import (
+	"sync"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly"
+	"github.com/anchore/bubbly/bubbles/taskprogress"
+	stereoscopeEvent "github.com/anchore/stereoscope/pkg/event"
+	syftEvent "github.com/anchore/syft/syft/event"
+)
+
+var _ bubbly.EventHandler = (*Handler)(nil)
+
+type HandlerConfig struct {
+	TitleWidth        int
+	AdjustDefaultTask func(taskprogress.Model) taskprogress.Model
+}
+
+type Handler struct {
+	WindowSize tea.WindowSizeMsg
+	Running    *sync.WaitGroup
+	Config     HandlerConfig
+
+	bubbly.EventHandler
+}
+
+func DefaultHandlerConfig() HandlerConfig {
+	return HandlerConfig{
+		TitleWidth: 30,
+	}
+}
+
+func New(cfg HandlerConfig) *Handler {
+	d := bubbly.NewEventDispatcher()
+
+	h := &Handler{
+		EventHandler: d,
+		Running:      &sync.WaitGroup{},
+		Config:       cfg,
+	}
+
+	// register all supported event types with the respective handler functions
+	d.AddHandlers(map[partybus.EventType]bubbly.EventHandlerFn{
+		stereoscopeEvent.PullDockerImage:       h.handlePullDockerImage,
+		stereoscopeEvent.ReadImage:             h.handleReadImage,
+		stereoscopeEvent.FetchImage:            h.handleFetchImage,
+		syftEvent.PackageCatalogerStarted:      h.handlePackageCatalogerStarted,
+		syftEvent.FileDigestsCatalogerStarted:  h.handleFileDigestsCatalogerStarted,
+		syftEvent.FileMetadataCatalogerStarted: h.handleFileMetadataCatalogerStarted,
+		syftEvent.FileIndexingStarted:          h.handleFileIndexingStarted,
+		syftEvent.AttestationStarted:           h.handleAttestationStarted,
+		syftEvent.CatalogerTaskStarted:         h.handleCatalogerTaskStarted,
+
+		// deprecated
+		syftEvent.SecretsCatalogerStarted: h.handleSecretsCatalogerStarted,
+	})
+
+	return h
+}
+
+func (m *Handler) Update(msg tea.Msg) {
+	if msg, ok := msg.(tea.WindowSizeMsg); ok {
+		m.WindowSize = msg
+	}
+}

cmd/syft/cli/ui/new_task_progress.go

@@ -0,0 +1,19 @@
+package ui
+
+import "github.com/anchore/bubbly/bubbles/taskprogress"
+
+func (m Handler) newTaskProgress(title taskprogress.Title, opts ...taskprogress.Option) taskprogress.Model {
+	tsk := taskprogress.New(m.Running, opts...)
+
+	tsk.HideProgressOnSuccess = true
+	tsk.HideStageOnSuccess = true
+	tsk.WindowSize = m.WindowSize
+	tsk.TitleWidth = m.Config.TitleWidth
+	tsk.TitleOptions = title
+
+	if m.Config.AdjustDefaultTask != nil {
+		tsk = m.Config.AdjustDefaultTask(tsk)
+	}
+
+	return tsk
+}

cmd/syft/cli/ui/util_test.go

@@ -0,0 +1,62 @@
+package ui
+
+import (
+	"reflect"
+	"testing"
+	"unsafe"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func runModel(t testing.TB, m tea.Model, iterations int, message tea.Msg) string {
+	t.Helper()
+	if iterations == 0 {
+		iterations = 1
+	}
+	m.Init()
+	var cmd tea.Cmd = func() tea.Msg {
+		return message
+	}
+
+	for i := 0; cmd != nil && i < iterations; i++ {
+		msgs := flatten(cmd())
+		var nextCmds []tea.Cmd
+		var next tea.Cmd
+		for _, msg := range msgs {
+			t.Logf("Message: %+v %+v\n", reflect.TypeOf(msg), msg)
+			m, next = m.Update(msg)
+			nextCmds = append(nextCmds, next)
+		}
+		cmd = tea.Batch(nextCmds...)
+	}
+	return m.View()
+}
+
+func flatten(p tea.Msg) (msgs []tea.Msg) {
+	if reflect.TypeOf(p).Name() == "batchMsg" {
+		partials := extractBatchMessages(p)
+		for _, m := range partials {
+			msgs = append(msgs, flatten(m)...)
+		}
+	} else {
+		msgs = []tea.Msg{p}
+	}
+	return msgs
+}
+
+func extractBatchMessages(m tea.Msg) (ret []tea.Msg) {
+	sliceMsgType := reflect.SliceOf(reflect.TypeOf(tea.Cmd(nil)))
+	value := reflect.ValueOf(m) // note: this is technically unaddressable
+
+	// make our own instance that is addressable
+	valueCopy := reflect.New(value.Type()).Elem()
+	valueCopy.Set(value)
+
+	cmds := reflect.NewAt(sliceMsgType, unsafe.Pointer(valueCopy.UnsafeAddr())).Elem()
+	for i := 0; i < cmds.Len(); i++ {
+		item := cmds.Index(i)
+		r := item.Call(nil)
+		ret = append(ret, r[0].Interface().(tea.Msg))
+	}
+	return ret
+}

cmd/syft/internal/ui/__snapshots__/post_ui_event_writer_test.snap

@@ -0,0 +1,46 @@
+
+[Test_postUIEventWriter_write/no_events/stdout - 1]
+
+---
+
+[Test_postUIEventWriter_write/no_events/stderr - 1]
+
+---
+
+[Test_postUIEventWriter_write/all_events/stdout - 1]
+
+
+<my --
+-
+-
+report 1!!>
+<report 2>
+
+---
+
+[Test_postUIEventWriter_write/all_events/stderr - 1]
+                    
+                    
+<my notification 1!!
+...still notifying> 
+                    
+                    
+<notification 2>
+<notification 3>
+                        
+                        
+<my app can be updated!!
+...to this version>     
+                        
+                        
+
+---
+
+[Test_postUIEventWriter_write/quiet_only_shows_report/stdout - 1]
+<report 1>
+
+---
+
+[Test_postUIEventWriter_write/quiet_only_shows_report/stderr - 1]
+
+---

cmd/syft/internal/ui/no_ui.go

@@ -0,0 +1,44 @@
+package ui
+
+import (
+	"os"
+
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/clio"
+	"github.com/anchore/syft/syft/event"
+)
+
+var _ clio.UI = (*NoUI)(nil)
+
+type NoUI struct {
+	finalizeEvents []partybus.Event
+	subscription   partybus.Unsubscribable
+	quiet          bool
+}
+
+func None(quiet bool) *NoUI {
+	return &NoUI{
+		quiet: quiet,
+	}
+}
+
+func (n *NoUI) Setup(subscription partybus.Unsubscribable) error {
+	n.subscription = subscription
+	return nil
+}
+
+func (n *NoUI) Handle(e partybus.Event) error {
+	switch e.Type {
+	case event.CLIReport, event.CLINotification:
+		// keep these for when the UI is terminated to show to the screen (or perform other events)
+		n.finalizeEvents = append(n.finalizeEvents, e)
+	case event.CLIExit:
+		return n.subscription.Unsubscribe()
+	}
+	return nil
+}
+
+func (n NoUI) Teardown(_ bool) error {
+	return newPostUIEventWriter(os.Stdout, os.Stderr).write(n.quiet, n.finalizeEvents...)
+}

cmd/syft/internal/ui/post_ui_event_writer.go

@@ -0,0 +1,133 @@
+package ui
+
+import (
+	"fmt"
+	"io"
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/hashicorp/go-multierror"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/event/parsers"
+)
+
+type postUIEventWriter struct {
+	handles []postUIHandle
+}
+
+type postUIHandle struct {
+	respectQuiet bool
+	event        partybus.EventType
+	writer       io.Writer
+	dispatch     eventWriter
+}
+
+type eventWriter func(io.Writer, ...partybus.Event) error
+
+func newPostUIEventWriter(stdout, stderr io.Writer) *postUIEventWriter {
+	return &postUIEventWriter{
+		handles: []postUIHandle{
+			{
+				event:        event.CLIReport,
+				respectQuiet: false,
+				writer:       stdout,
+				dispatch:     writeReports,
+			},
+			{
+				event:        event.CLINotification,
+				respectQuiet: true,
+				writer:       stderr,
+				dispatch:     writeNotifications,
+			},
+			{
+				event:        event.CLIAppUpdateAvailable,
+				respectQuiet: true,
+				writer:       stderr,
+				dispatch:     writeAppUpdate,
+			},
+		},
+	}
+}
+
+func (w postUIEventWriter) write(quiet bool, events ...partybus.Event) error {
+	var errs error
+	for _, h := range w.handles {
+		if quiet && h.respectQuiet {
+			continue
+		}
+
+		for _, e := range events {
+			if e.Type != h.event {
+				continue
+			}
+
+			if err := h.dispatch(h.writer, e); err != nil {
+				errs = multierror.Append(errs, err)
+			}
+		}
+	}
+	return errs
+}
+
+func writeReports(writer io.Writer, events ...partybus.Event) error {
+	var reports []string
+	for _, e := range events {
+		_, report, err := parsers.ParseCLIReport(e)
+		if err != nil {
+			log.WithFields("error", err).Warn("failed to gather final report")
+			continue
+		}
+
+		// remove all whitespace padding from the end of the report
+		reports = append(reports, strings.TrimRight(report, "\n ")+"\n")
+	}
+
+	// prevent the double new-line at the end of the report
+	report := strings.Join(reports, "\n")
+
+	if _, err := fmt.Fprint(writer, report); err != nil {
+		return fmt.Errorf("failed to write final report to stdout: %w", err)
+	}
+	return nil
+}
+
+func writeNotifications(writer io.Writer, events ...partybus.Event) error {
+	// 13 = high intensity magenta (ANSI 16 bit code)
+	style := lipgloss.NewStyle().Foreground(lipgloss.Color("13"))
+
+	for _, e := range events {
+		_, notification, err := parsers.ParseCLINotification(e)
+		if err != nil {
+			log.WithFields("error", err).Warn("failed to parse notification")
+			continue
+		}
+
+		if _, err := fmt.Fprintln(writer, style.Render(notification)); err != nil {
+			// don't let this be fatal
+			log.WithFields("error", err).Warn("failed to write final notifications")
+		}
+	}
+	return nil
+}
+
+func writeAppUpdate(writer io.Writer, events ...partybus.Event) error {
+	// 13 = high intensity magenta (ANSI 16 bit code) + italics
+	style := lipgloss.NewStyle().Foreground(lipgloss.Color("13")).Italic(true)
+
+	for _, e := range events {
+		notice, err := parsers.ParseCLIAppUpdateAvailable(e)
+		if err != nil {
+			log.WithFields("error", err).Warn("failed to parse app update notification")
+			continue
+		}
+
+		if _, err := fmt.Fprintln(writer, style.Render(notice)); err != nil {
+			// don't let this be fatal
+			log.WithFields("error", err).Warn("failed to write app update notification")
+		}
+	}
+	return nil
+}

cmd/syft/internal/ui/post_ui_event_writer_test.go

@@ -0,0 +1,95 @@
+package ui
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/gkampitakis/go-snaps/snaps"
+	"github.com/stretchr/testify/require"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/syft/syft/event"
+)
+
+func Test_postUIEventWriter_write(t *testing.T) {
+
+	tests := []struct {
+		name    string
+		quiet   bool
+		events  []partybus.Event
+		wantErr require.ErrorAssertionFunc
+	}{
+		{
+			name: "no events",
+		},
+		{
+			name: "all events",
+			events: []partybus.Event{
+				{
+					Type:  event.CLINotification,
+					Value: "\n\n<my notification 1!!\n...still notifying>\n\n",
+				},
+				{
+					Type:  event.CLINotification,
+					Value: "<notification 2>",
+				},
+				{
+					Type:  event.CLIAppUpdateAvailable,
+					Value: "\n\n<my app can be updated!!\n...to this version>\n\n",
+				},
+				{
+					Type:  event.CLINotification,
+					Value: "<notification 3>",
+				},
+				{
+					Type:  event.CLIReport,
+					Value: "\n\n<my --\n-\n-\nreport 1!!>\n\n",
+				},
+				{
+					Type:  event.CLIReport,
+					Value: "<report 2>",
+				},
+			},
+		},
+		{
+			name:  "quiet only shows report",
+			quiet: true,
+			events: []partybus.Event{
+
+				{
+					Type:  event.CLINotification,
+					Value: "<notification 1>",
+				},
+				{
+					Type:  event.CLIAppUpdateAvailable,
+					Value: "<app update>",
+				},
+				{
+					Type:  event.CLIReport,
+					Value: "<report 1>",
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.wantErr == nil {
+				tt.wantErr = require.NoError
+			}
+
+			stdout := &bytes.Buffer{}
+			stderr := &bytes.Buffer{}
+			w := newPostUIEventWriter(stdout, stderr)
+
+			tt.wantErr(t, w.write(tt.quiet, tt.events...))
+
+			t.Run("stdout", func(t *testing.T) {
+				snaps.MatchSnapshot(t, stdout.String())
+			})
+
+			t.Run("stderr", func(t *testing.T) {
+				snaps.MatchSnapshot(t, stderr.String())
+			})
+		})
+	}
+}

cmd/syft/internal/ui/select.go

@@ -8,6 +8,9 @@ import (
 	"runtime"
 
 	"golang.org/x/term"
+
+	"github.com/anchore/clio"
+	handler "github.com/anchore/syft/cmd/syft/cli/ui"
 )
 
 // Select is responsible for determining the specific UI function given select user option, the current platform
@@ -15,16 +18,18 @@ import (
 // is intended to be used and the UIs that follow are meant to be attempted only in a fallback posture when there
 // are environmental problems (e.g. cannot write to the terminal). A writer is provided to capture the output of
 // the final SBOM report.
-func Select(verbose, quiet bool) (uis []UI) {
+func Select(verbose, quiet bool) (uis []clio.UI) {
 	isStdoutATty := term.IsTerminal(int(os.Stdout.Fd()))
 	isStderrATty := term.IsTerminal(int(os.Stderr.Fd()))
 	notATerminal := !isStderrATty && !isStdoutATty
 
 	switch {
 	case runtime.GOOS == "windows" || verbose || quiet || notATerminal || !isStderrATty:
-		uis = append(uis, NewLoggerUI())
+		uis = append(uis, None(quiet))
 	default:
-		uis = append(uis, NewEphemeralTerminalUI())
+		// TODO: it may make sense in the future to pass handler options into select
+		h := handler.New(handler.DefaultHandlerConfig())
+		uis = append(uis, New(h, verbose, quiet))
 	}
 
 	return uis

cmd/syft/internal/ui/select_windows.go

@@ -3,11 +3,13 @@
 
 package ui
 
+import "github.com/anchore/clio"
+
 // Select is responsible for determining the specific UI function given select user option, the current platform
 // config values, and environment status (such as a TTY being present). The first UI in the returned slice of UIs
 // is intended to be used and the UIs that follow are meant to be attempted only in a fallback posture when there
 // are environmental problems (e.g. cannot write to the terminal). A writer is provided to capture the output of
 // the final SBOM report.
-func Select(verbose, quiet bool) (uis []UI) {
+func Select(verbose, quiet bool) (uis []clio.UI) {
-	return append(uis, NewLoggerUI())
+	return append(uis, None(quiet))
 }

cmd/syft/internal/ui/ui.go

@@ -0,0 +1,163 @@
+package ui
+
+import (
+	"os"
+	"sync"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/bubbly/bubbles/frame"
+	"github.com/anchore/clio"
+	"github.com/anchore/go-logger"
+	handler "github.com/anchore/syft/cmd/syft/cli/ui"
+	"github.com/anchore/syft/internal/bus"
+	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/syft/event"
+)
+
+var _ interface {
+	tea.Model
+	partybus.Responder
+	clio.UI
+} = (*UI)(nil)
+
+type UI struct {
+	program        *tea.Program
+	running        *sync.WaitGroup
+	quiet          bool
+	subscription   partybus.Unsubscribable
+	finalizeEvents []partybus.Event
+
+	handler *handler.Handler
+	frame   tea.Model
+}
+
+func New(h *handler.Handler, _, quiet bool) *UI {
+	return &UI{
+		handler: h,
+		frame:   frame.New(),
+		running: &sync.WaitGroup{},
+		quiet:   quiet,
+	}
+}
+
+func (m *UI) Setup(subscription partybus.Unsubscribable) error {
+	// we still want to collect log messages, however, we also the logger shouldn't write to the screen directly
+	if logWrapper, ok := log.Get().(logger.Controller); ok {
+		logWrapper.SetOutput(m.frame.(*frame.Frame).Footer())
+	}
+
+	m.subscription = subscription
+	m.program = tea.NewProgram(m, tea.WithOutput(os.Stderr), tea.WithInput(os.Stdin))
+	m.running.Add(1)
+
+	go func() {
+		defer m.running.Done()
+		if _, err := m.program.Run(); err != nil {
+			log.Errorf("unable to start UI: %+v", err)
+			m.exit()
+		}
+	}()
+
+	return nil
+}
+
+func (m *UI) exit() {
+	// stop the event loop
+	bus.Exit()
+}
+
+func (m *UI) Handle(e partybus.Event) error {
+	if m.program != nil {
+		m.program.Send(e)
+		if e.Type == event.CLIExit {
+			return m.subscription.Unsubscribe()
+		}
+	}
+	return nil
+}
+
+func (m *UI) Teardown(force bool) error {
+	if !force {
+		m.handler.Running.Wait()
+		m.program.Quit()
+	} else {
+		m.program.Kill()
+	}
+
+	m.running.Wait()
+
+	// TODO: allow for writing out the full log output to the screen (only a partial log is shown currently)
+	// this needs coordination to know what the last frame event is to change the state accordingly (which isn't possible now)
+
+	return newPostUIEventWriter(os.Stdout, os.Stderr).write(m.quiet, m.finalizeEvents...)
+}
+
+// bubbletea.Model functions
+
+func (m UI) Init() tea.Cmd {
+	return m.frame.Init()
+}
+
+func (m UI) RespondsTo() []partybus.EventType {
+	return append([]partybus.EventType{
+		event.CLIReport,
+		event.CLINotification,
+		event.CLIExit,
+		event.CLIAppUpdateAvailable,
+	}, m.handler.RespondsTo()...)
+}
+
+func (m *UI) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	// note: we need a pointer receiver such that the same instance of UI used in Teardown is referenced (to keep finalize events)
+
+	var cmds []tea.Cmd
+
+	// allow for non-partybus UI updates (such as window size events). Note: these must not affect existing models,
+	// that is the responsibility of the frame object on this UI object. The handler is a factory of models
+	// which the frame is responsible for the lifecycle of. This update allows for injecting the initial state
+	// of the world when creating those models.
+	m.handler.Update(msg)
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "esc", "ctrl+c":
+			m.exit()
+			return m, tea.Quit
+		}
+
+	case partybus.Event:
+		log.WithFields("component", "ui").Tracef("event: %q", msg.Type)
+
+		switch msg.Type {
+		case event.CLIReport, event.CLINotification, event.CLIExit, event.CLIAppUpdateAvailable:
+			// keep these for when the UI is terminated to show to the screen (or perform other events)
+			m.finalizeEvents = append(m.finalizeEvents, msg)
+
+			// why not return tea.Quit here for exit events? because there may be UI components that still need the update-render loop.
+			// for this reason we'll let the syft event loop call Teardown() which will explicitly wait for these components
+			return m, nil
+		}
+
+		for _, newModel := range m.handler.Handle(msg) {
+			if newModel == nil {
+				continue
+			}
+			cmds = append(cmds, newModel.Init())
+			m.frame.(*frame.Frame).AppendModel(newModel)
+		}
+		// intentionally fallthrough to update the frame model
+	}
+
+	frameModel, cmd := m.frame.Update(msg)
+	m.frame = frameModel
+	cmds = append(cmds, cmd)
+
+	return m, tea.Batch(cmds...)
+}
+
+func (m UI) View() string {
+	return m.frame.View()
+}

go.mod

@@ -38,7 +38,7 @@ require (
 	github.com/spf13/viper v1.16.0
 	github.com/stretchr/testify v1.8.4
 	github.com/vifraa/gopom v0.2.1
-	github.com/wagoodman/go-partybus v0.0.0-20210627031916-db1f5573bbc5
+	github.com/wagoodman/go-partybus v0.0.0-20230516145632-8ccac152c651
 	github.com/wagoodman/go-progress v0.0.0-20230301185719-21920a456ad5
 	github.com/wagoodman/jotframe v0.0.0-20211129225309-56b0d0a4aebb
 	github.com/xeipuuv/gojsonschema v1.2.0
@@ -52,12 +52,17 @@ require (
 	github.com/CycloneDX/cyclonedx-go v0.7.1
 	github.com/Masterminds/semver v1.5.0
 	github.com/Masterminds/sprig/v3 v3.2.3
-	github.com/anchore/go-logger v0.0.0-20220728155337-03b66a5207d8
+	github.com/anchore/bubbly v0.0.0-20230622134437-40226fdcc0f5
+	github.com/anchore/clio v0.0.0-20230602170917-e747e60c4aa0
+	github.com/anchore/go-logger v0.0.0-20230531193951-db5ae83e7dbe
 	github.com/anchore/stereoscope v0.0.0-20230627195312-cd49355d934e
+	github.com/charmbracelet/bubbletea v0.24.2
+	github.com/charmbracelet/lipgloss v0.7.1
 	github.com/dave/jennifer v1.6.1
 	github.com/deitch/magic v0.0.0-20230404182410-1ff89d7342da
 	github.com/docker/docker v24.0.2+incompatible
 	github.com/github/go-spdx/v2 v2.1.2
+	github.com/gkampitakis/go-snaps v0.4.0
 	github.com/go-git/go-billy/v5 v5.4.1
 	github.com/go-git/go-git/v5 v5.7.0
 	github.com/google/go-containerregistry v0.15.2
@@ -67,6 +72,7 @@ require (
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/sassoftware/go-rpmutils v0.2.0
 	github.com/vbatts/go-mtree v0.5.3
+	github.com/zyedidia/generic v1.2.2-0.20230320175451-4410d2372cb1
 	golang.org/x/exp v0.0.0-20230202163644-54bba9f4231b
 	gopkg.in/yaml.v3 v3.0.1
 	modernc.org/sqlite v1.23.1
@@ -80,9 +86,14 @@ require (
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903 // indirect
 	github.com/acomagu/bufpipe v1.0.4 // indirect
+	github.com/anchore/fangs v0.0.0-20230531202914-48a718c6b4ba // indirect
 	github.com/anchore/go-struct-converter v0.0.0-20221118182256-c68fdcfa2092 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/becheran/wildmatch-go v1.0.0 // indirect
+	github.com/charmbracelet/bubbles v0.16.1 // indirect
+	github.com/charmbracelet/harmonica v0.2.0 // indirect
 	github.com/cloudflare/circl v1.3.3 // indirect
+	github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81 // indirect
 	github.com/containerd/containerd v1.7.0 // indirect
 	github.com/containerd/stargz-snapshotter/estargz v0.14.3 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -93,14 +104,18 @@ require (
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dsnet/compress v0.0.2-0.20210315054119-f66993602bf5 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/felixge/fgprof v0.9.3 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.0 // indirect
+	github.com/gkampitakis/ciinfo v0.1.1 // indirect
+	github.com/gkampitakis/go-diff v1.3.0 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-restruct/restruct v1.2.0-alpha // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/huandu/xstrings v1.3.3 // indirect
@@ -112,21 +127,32 @@ require (
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
 	github.com/klauspost/compress v1.16.5 // indirect
 	github.com/klauspost/pgzip v1.2.5 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/logrusorgru/aurora v0.0.0-20200102142835-e9ef32dff381 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mattn/go-isatty v0.0.18 // indirect
-	github.com/mattn/go-runewidth v0.0.13 // indirect
+	github.com/mattn/go-localereader v0.0.2-0.20220822084749-2491eb6c1c75 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/muesli/ansi v0.0.0-20211031195517-c9f0611b6c70 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/reflow v0.3.0 // indirect
+	github.com/muesli/termenv v0.15.1 // indirect
 	github.com/nwaples/rardecode v1.1.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0-rc3 // indirect
+	github.com/pborman/indent v1.2.1 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
 	github.com/pierrec/lz4/v4 v4.1.15 // indirect
 	github.com/pjbgf/sha1cd v0.3.0 // indirect
+	github.com/pkg/profile v1.7.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	github.com/shopspring/decimal v1.2.0 // indirect
 	github.com/skeema/knownhosts v1.1.1 // indirect
 	github.com/spf13/cast v1.5.1 // indirect

go.sum

@@ -86,8 +86,14 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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@@ -127,6 +135,14 @@ github.com/census-instrumentation/opencensus-proto v0.3.0/go.mod h1:f6KPmirojxKA
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@@ -146,6 +162,8 @@ github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWH
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@@ -202,6 +220,8 @@ github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL
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@@ -211,6 +231,12 @@ github.com/gabriel-vasile/mimetype v1.4.0/go.mod h1:fA8fi6KUiG7MgQQ+mEWotXoEOvmx
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@@ -315,7 +341,9 @@ github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLe
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@@ -372,6 +400,7 @@ github.com/iancoleman/orderedmap v0.0.0-20190318233801-ac98e3ecb4b0/go.mod h1:N0
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@@ -414,13 +443,17 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
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@@ -482,6 +518,14 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lN
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+github.com/muesli/ansi v0.0.0-20211031195517-c9f0611b6c70 h1:kMlmsLSbjkikxQJ1IPwaM+7LJ9ltFu/fi8CRzvSnQmA=
+github.com/muesli/ansi v0.0.0-20211031195517-c9f0611b6c70/go.mod h1:fQuZ0gauxyBcmsdE3ZT4NasjaRdxmbCS0jRHsrWu3Ho=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
+github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
+github.com/muesli/termenv v0.15.1 h1:UzuTb/+hhlBugQz28rpzey4ZuKcZ03MeKsoG7IJZIxs=
+github.com/muesli/termenv v0.15.1/go.mod h1:HeAQPTzpfs016yGtA4g00CsdYnVLJvxsS4ANqrZs2sQ=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nwaples/rardecode v1.1.0 h1:vSxaY8vQhOcVr4mm5e8XllHWTiM4JF507A0Katqw7MQ=
@@ -494,6 +538,8 @@ github.com/opencontainers/image-spec v1.1.0-rc3 h1:fzg1mXZFj8YdPeNkRXMg+zb88BFV0
 github.com/opencontainers/image-spec v1.1.0-rc3/go.mod h1:X4pATf0uXsnn3g5aiGIsVnJBR4mxhKzfwmvK/B2NTm8=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
+github.com/pborman/indent v1.2.1 h1:lFiviAbISHv3Rf0jcuh489bi06hj98JsVMtIDZQb9yM=
+github.com/pborman/indent v1.2.1/go.mod h1:FitS+t35kIYtB5xWTZAPhnmrxcciEEOdbyrrpz5K6Vw=
 github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
 github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
@@ -504,10 +550,13 @@ github.com/pierrec/lz4/v4 v4.1.15 h1:MO0/ucJhngq7299dKLwIMtgTfbkoSPF6AoMYDd8Q4q0
 github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/pjbgf/sha1cd v0.3.0 h1:4D5XXmUUBUl/xQ6IjCkEAbqXskkq/4O7LmGn0AqMDs4=
 github.com/pjbgf/sha1cd v0.3.0/go.mod h1:nZ1rrWOcGJ5uZgEEVL1VUM9iRQiZvWdbZjkKyFzPPsI=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/profile v1.7.0 h1:hnbDkaNWPCLMO9wGLdBFTIZvzDrDfBM2072E1S9gJkA=
+github.com/pkg/profile v1.7.0/go.mod h1:8Uer0jas47ZQMJ7VD+OHknK4YDY07LPUC6dEvqDjvNo=
 github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pkg/sftp v1.13.1/go.mod h1:3HaPG6Dq1ILlpPZRO0HVMrsydcdLt6HRDccSgb87qRg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -529,11 +578,14 @@ github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+Gx
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
 github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/sagikazarmark/crypt v0.3.0/go.mod h1:uD/D+6UF4SrIR1uGEv7bBNkNqLGqUr43MRiaGWX1Nig=
@@ -618,8 +670,8 @@ github.com/vbatts/tar-split v0.11.3 h1:hLFqsOLQ1SsppQNTMpkpPXClLDfC2A3Zgy9OUU+RV
 github.com/vbatts/tar-split v0.11.3/go.mod h1:9QlHN18E+fEH7RdG+QAJJcuya3rqT7eXSTY7wGrAokY=
 github.com/vifraa/gopom v0.2.1 h1:MYVMAMyiGzXPPy10EwojzKIL670kl5Zbae+o3fFvQEM=
 github.com/vifraa/gopom v0.2.1/go.mod h1:oPa1dcrGrtlO37WPDBm5SqHAT+wTgF8An1Q71Z6Vv4o=
-github.com/wagoodman/go-partybus v0.0.0-20210627031916-db1f5573bbc5 h1:phTLPgMRDYTizrBSKsNSOa2zthoC2KsJsaY/8sg3rD8=
+github.com/wagoodman/go-partybus v0.0.0-20230516145632-8ccac152c651 h1:jIVmlAFIqV3d+DOxazTR9v+zgj8+VYuQBzPgBZvWBHA=
-github.com/wagoodman/go-partybus v0.0.0-20210627031916-db1f5573bbc5/go.mod h1:JPirS5jde/CF5qIjcK4WX+eQmKXdPc6vcZkJ/P0hfPw=
+github.com/wagoodman/go-partybus v0.0.0-20230516145632-8ccac152c651/go.mod h1:b26F2tHLqaoRQf8DywqzVaV1MQ9yvjb0OMcNl7Nxu20=
 github.com/wagoodman/go-progress v0.0.0-20230301185719-21920a456ad5 h1:lwgTsTy18nYqASnH58qyfRW/ldj7Gt2zzBvgYPzdA4s=
 github.com/wagoodman/go-progress v0.0.0-20230301185719-21920a456ad5/go.mod h1:jLXFoL31zFaHKAAyZUh+sxiTDFe1L1ZHrcK2T1itVKA=
 github.com/wagoodman/jotframe v0.0.0-20211129225309-56b0d0a4aebb h1:Yz6VVOcLuWLAHYlJzTw7JKnWxdV/WXpug2X0quEzRnY=
@@ -643,6 +695,8 @@ github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+github.com/zyedidia/generic v1.2.2-0.20230320175451-4410d2372cb1 h1:V+UsotZpAVvfj3X/LMoEytoLzSiP6Lg0F7wdVyu9gGg=
+github.com/zyedidia/generic v1.2.2-0.20230320175451-4410d2372cb1/go.mod h1:ly2RBz4mnz1yeuVbQA/VFwGjK3mnHGRj1JuoG336Bis=
 go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
 go.etcd.io/etcd/client/pkg/v3 v3.5.1/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
 go.etcd.io/etcd/client/v2 v2.305.1/go.mod h1:pMEacxZW7o8pg4CrFE7pquyCJJzZvkvdD2RibOCCCGs=
@@ -878,6 +932,7 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220906165534-d0df966e6959/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

internal/bus/bus.go

@@ -16,20 +16,20 @@ package bus
 import "github.com/wagoodman/go-partybus"
 
 var publisher partybus.Publisher
-var active bool
 
-// SetPublisher sets the singleton event bus publisher. This is optional; if no bus is provided, the library will
+// Set sets the singleton event bus publisher. This is optional; if no bus is provided, the library will
 // behave no differently than if a bus had been provided.
-func SetPublisher(p partybus.Publisher) {
+func Set(p partybus.Publisher) {
 	publisher = p
-	if p != nil {
+}
-		active = true
+
-	}
+func Get() partybus.Publisher {
+	return publisher
 }
 
 // Publish an event onto the bus. If there is no bus set by the calling application, this does nothing.
-func Publish(event partybus.Event) {
+func Publish(e partybus.Event) {
-	if active {
+	if publisher != nil {
-		publisher.Publish(event)
+		publisher.Publish(e)
 	}
 }

internal/bus/helpers.go

@@ -0,0 +1,32 @@
+package bus
+
+import (
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/syft/event"
+)
+
+func Exit() {
+	Publish(partybus.Event{
+		Type: event.CLIExit,
+	})
+}
+
+func Report(report string) {
+	if len(report) == 0 {
+		return
+	}
+	report = log.Redactor.RedactString(report)
+	Publish(partybus.Event{
+		Type:  event.CLIReport,
+		Value: report,
+	})
+}
+
+func Notify(message string) {
+	Publish(partybus.Event{
+		Type:  event.CLINotification,
+		Value: message,
+	})
+}

internal/log/log.go

@@ -6,67 +6,86 @@ package log
 import (
 	"github.com/anchore/go-logger"
 	"github.com/anchore/go-logger/adapter/discard"
+	"github.com/anchore/go-logger/adapter/redact"
 )
 
-// Log is the singleton used to facilitate logging internally within syft
+var (
-var Log logger.Logger = discard.New()
+	// log is the singleton used to facilitate logging internally within
+	log = discard.New()
+
+	store = redact.NewStore()
+
+	Redactor = store.(redact.Redactor)
+)
+
+func Set(l logger.Logger) {
+	log = redact.New(l, store)
+}
+
+func Get() logger.Logger {
+	return log
+}
+
+func Redact(values ...string) {
+	store.Add(values...)
+}
 
 // Errorf takes a formatted template string and template arguments for the error logging level.
 func Errorf(format string, args ...interface{}) {
-	Log.Errorf(format, args...)
+	log.Errorf(format, args...)
 }
 
 // Error logs the given arguments at the error logging level.
 func Error(args ...interface{}) {
-	Log.Error(args...)
+	log.Error(args...)
 }
 
 // Warnf takes a formatted template string and template arguments for the warning logging level.
 func Warnf(format string, args ...interface{}) {
-	Log.Warnf(format, args...)
+	log.Warnf(format, args...)
 }
 
 // Warn logs the given arguments at the warning logging level.
 func Warn(args ...interface{}) {
-	Log.Warn(args...)
+	log.Warn(args...)
 }
 
 // Infof takes a formatted template string and template arguments for the info logging level.
 func Infof(format string, args ...interface{}) {
-	Log.Infof(format, args...)
+	log.Infof(format, args...)
 }
 
 // Info logs the given arguments at the info logging level.
 func Info(args ...interface{}) {
-	Log.Info(args...)
+	log.Info(args...)
 }
 
 // Debugf takes a formatted template string and template arguments for the debug logging level.
 func Debugf(format string, args ...interface{}) {
-	Log.Debugf(format, args...)
+	log.Debugf(format, args...)
 }
 
 // Debug logs the given arguments at the debug logging level.
 func Debug(args ...interface{}) {
-	Log.Debug(args...)
+	log.Debug(args...)
 }
 
 // Tracef takes a formatted template string and template arguments for the trace logging level.
 func Tracef(format string, args ...interface{}) {
-	Log.Tracef(format, args...)
+	log.Tracef(format, args...)
 }
 
 // Trace logs the given arguments at the trace logging level.
 func Trace(args ...interface{}) {
-	Log.Trace(args...)
+	log.Trace(args...)
 }
 
 // WithFields returns a message logger with multiple key-value fields.
 func WithFields(fields ...interface{}) logger.MessageLogger {
-	return Log.WithFields(fields...)
+	return log.WithFields(fields...)
 }
 
 // Nested returns a new logger with hard coded key-value pairs
 func Nested(fields ...interface{}) logger.Logger {
-	return Log.Nested(fields...)
+	return log.Nested(fields...)
 }

internal/ui/common_event_handlers.go

@@ -1,24 +0,0 @@
-package ui
-
-import (
-	"fmt"
-
-	"github.com/wagoodman/go-partybus"
-
-	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
-)
-
-// handleExit is a UI function for processing the Exit bus event,
-// and calling the given function to output the contents.
-func handleExit(event partybus.Event) error {
-	// show the report to stdout
-	fn, err := syftEventParsers.ParseExit(event)
-	if err != nil {
-		return fmt.Errorf("bad CatalogerFinished event: %w", err)
-	}
-
-	if err := fn(); err != nil {
-		return fmt.Errorf("unable to show package catalog report: %w", err)
-	}
-	return nil
-}

internal/ui/components/spinner.go

@@ -1,42 +0,0 @@
-package components
-
-import (
-	"strings"
-	"sync"
-)
-
-// TODO: move me to a common module (used in multiple repos)
-
-const (
-	SpinnerDotSet = "⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏"
-)
-
-type Spinner struct {
-	index   int
-	charset []string
-	lock    sync.Mutex
-}
-
-func NewSpinner(charset string) Spinner {
-	return Spinner{
-		charset: strings.Split(charset, ""),
-	}
-}
-
-func (s *Spinner) Current() string {
-	s.lock.Lock()
-	defer s.lock.Unlock()
-
-	return s.charset[s.index]
-}
-
-func (s *Spinner) Next() string {
-	s.lock.Lock()
-	defer s.lock.Unlock()
-	c := s.charset[s.index]
-	s.index++
-	if s.index >= len(s.charset) {
-		s.index = 0
-	}
-	return c
-}

internal/ui/ephemeral_terminal_ui.go

@@ -1,154 +0,0 @@
-//go:build linux || darwin || netbsd
-// +build linux darwin netbsd
-
-package ui
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-	"io"
-	"os"
-	"sync"
-
-	"github.com/wagoodman/go-partybus"
-	"github.com/wagoodman/jotframe/pkg/frame"
-
-	"github.com/anchore/go-logger"
-	"github.com/anchore/syft/internal/log"
-	syftEvent "github.com/anchore/syft/syft/event"
-	"github.com/anchore/syft/ui"
-)
-
-// ephemeralTerminalUI provides an "ephemeral" terminal user interface to display the application state dynamically.
-// The terminal is placed into raw mode and the cursor is manipulated to allow for a dynamic, multi-line
-// UI (provided by the jotframe lib), for this reason all other application mechanisms that write to the screen
-// must be suppressed before starting (such as logs); since bytes in the device and in application memory combine to make
-// a shared state, bytes coming from elsewhere to the screen will disrupt this state.
-//
-// This UI is primarily driven off of events from the event bus, creating single-line terminal widgets to represent a
-// published element on the event bus, typically polling the element for the latest state. This allows for the UI to
-// control update frequency to the screen, provide "liveness" indications that are interpolated between bus events,
-// and overall loosely couple the bus events from screen interactions.
-//
-// By convention, all elements published on the bus should be treated as read-only, and publishers on the bus should
-// attempt to enforce this when possible by wrapping complex objects with interfaces to prescribe interactions. Also by
-// convention, each new event that the UI should respond to should be added either in this package as a handler function,
-// or in the shared ui package as a function on the main handler object. All handler functions should be completed
-// processing an event before the ETUI exits (coordinated with a sync.WaitGroup)
-type ephemeralTerminalUI struct {
-	unsubscribe func() error
-	handler     *ui.Handler
-	waitGroup   *sync.WaitGroup
-	frame       *frame.Frame
-	logBuffer   *bytes.Buffer
-	uiOutput    *os.File
-}
-
-// NewEphemeralTerminalUI writes all events to a TUI and writes the final report to the given writer.
-func NewEphemeralTerminalUI() UI {
-	return &ephemeralTerminalUI{
-		handler:   ui.NewHandler(),
-		waitGroup: &sync.WaitGroup{},
-		uiOutput:  os.Stderr,
-	}
-}
-
-func (h *ephemeralTerminalUI) Setup(unsubscribe func() error) error {
-	h.unsubscribe = unsubscribe
-	hideCursor(h.uiOutput)
-
-	// prep the logger to not clobber the screen from now on (logrus only)
-	h.logBuffer = bytes.NewBufferString("")
-	logController, ok := log.Log.(logger.Controller)
-	if ok {
-		logController.SetOutput(h.logBuffer)
-	}
-
-	return h.openScreen()
-}
-
-func (h *ephemeralTerminalUI) Handle(event partybus.Event) error {
-	ctx := context.Background()
-	switch {
-	case h.handler.RespondsTo(event):
-		if err := h.handler.Handle(ctx, h.frame, event, h.waitGroup); err != nil {
-			log.Errorf("unable to show %s event: %+v", event.Type, err)
-		}
-
-	case event.Type == syftEvent.AppUpdateAvailable:
-		if err := handleAppUpdateAvailable(ctx, h.frame, event, h.waitGroup); err != nil {
-			log.Errorf("unable to show %s event: %+v", event.Type, err)
-		}
-
-	case event.Type == syftEvent.Exit:
-		// we need to close the screen now since signaling the sbom is ready means that we
-		// are about to write bytes to stdout, so we should reset the terminal state first
-		h.closeScreen(false)
-
-		if err := handleExit(event); err != nil {
-			log.Errorf("unable to show %s event: %+v", event.Type, err)
-		}
-
-		// this is the last expected event, stop listening to events
-		return h.unsubscribe()
-	}
-	return nil
-}
-
-func (h *ephemeralTerminalUI) openScreen() error {
-	config := frame.Config{
-		PositionPolicy: frame.PolicyFloatForward,
-		// only report output to stderr, reserve report output for stdout
-		Output: h.uiOutput,
-	}
-
-	fr, err := frame.New(config)
-	if err != nil {
-		return fmt.Errorf("failed to create the screen object: %w", err)
-	}
-	h.frame = fr
-
-	return nil
-}
-
-func (h *ephemeralTerminalUI) closeScreen(force bool) {
-	// we may have other background processes still displaying progress, wait for them to
-	// finish before discontinuing dynamic content and showing the final report
-	if !h.frame.IsClosed() {
-		if !force {
-			h.waitGroup.Wait()
-		}
-		h.frame.Close()
-		// TODO: there is a race condition within frame.Close() that sometimes leads to an extra blank line being output
-		frame.Close()
-
-		// only flush the log on close
-		h.flushLog()
-	}
-}
-
-func (h *ephemeralTerminalUI) flushLog() {
-	// flush any errors to the screen before the report
-	logController, ok := log.Log.(logger.Controller)
-	if ok {
-		fmt.Fprint(logController.GetOutput(), h.logBuffer.String())
-		logController.SetOutput(h.uiOutput)
-	} else {
-		fmt.Fprint(h.uiOutput, h.logBuffer.String())
-	}
-}
-
-func (h *ephemeralTerminalUI) Teardown(force bool) error {
-	h.closeScreen(force)
-	showCursor(h.uiOutput)
-	return nil
-}
-
-func hideCursor(output io.Writer) {
-	fmt.Fprint(output, "\x1b[?25l")
-}
-
-func showCursor(output io.Writer) {
-	fmt.Fprint(output, "\x1b[?25h")
-}

internal/ui/etui_event_handlers.go

@@ -1,36 +0,0 @@
-//go:build linux || darwin || netbsd
-// +build linux darwin netbsd
-
-package ui
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"sync"
-
-	"github.com/gookit/color"
-	"github.com/wagoodman/go-partybus"
-	"github.com/wagoodman/jotframe/pkg/frame"
-
-	"github.com/anchore/syft/internal"
-	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
-)
-
-// handleAppUpdateAvailable is a UI handler function to display a new application version to the top of the screen.
-func handleAppUpdateAvailable(_ context.Context, fr *frame.Frame, event partybus.Event, _ *sync.WaitGroup) error {
-	newVersion, err := syftEventParsers.ParseAppUpdateAvailable(event)
-	if err != nil {
-		return fmt.Errorf("bad AppUpdateAvailable event: %w", err)
-	}
-
-	line, err := fr.Prepend()
-	if err != nil {
-		return err
-	}
-
-	message := color.Magenta.Sprintf("New version of %s is available: %s", internal.ApplicationName, newVersion)
-	_, _ = io.WriteString(line, message)
-
-	return nil
-}

internal/ui/logger_ui.go

@@ -1,40 +0,0 @@
-package ui
-
-import (
-	"github.com/wagoodman/go-partybus"
-
-	"github.com/anchore/syft/internal/log"
-	syftEvent "github.com/anchore/syft/syft/event"
-)
-
-type loggerUI struct {
-	unsubscribe func() error
-}
-
-// NewLoggerUI writes all events to the common application logger and writes the final report to the given writer.
-func NewLoggerUI() UI {
-	return &loggerUI{}
-}
-
-func (l *loggerUI) Setup(unsubscribe func() error) error {
-	l.unsubscribe = unsubscribe
-	return nil
-}
-
-func (l loggerUI) Handle(event partybus.Event) error {
-	// ignore all events except for the final event
-	if event.Type != syftEvent.Exit {
-		return nil
-	}
-
-	if err := handleExit(event); err != nil {
-		log.Warnf("unable to show catalog image finished event: %+v", err)
-	}
-
-	// this is the last expected event, stop listening to events
-	return l.unsubscribe()
-}
-
-func (l loggerUI) Teardown(_ bool) error {
-	return nil
-}

internal/ui/ui.go

@@ -1,11 +0,0 @@
-package ui
-
-import (
-	"github.com/wagoodman/go-partybus"
-)
-
-type UI interface {
-	Setup(unsubscribe func() error) error
-	partybus.Handler
-	Teardown(force bool) error
-}

syft/event/event.go

@@ -4,37 +4,51 @@ defined here there should be a corresponding event parser defined in the parsers
 */
 package event
 
-import "github.com/wagoodman/go-partybus"
+import (
+	"github.com/wagoodman/go-partybus"
+
+	"github.com/anchore/syft/internal"
+)
 
 const (
-	// AppUpdateAvailable is a partybus event that occurs when an application update is available
+	typePrefix    = internal.ApplicationName
-	AppUpdateAvailable partybus.EventType = "syft-app-update-available"
+	cliTypePrefix = typePrefix + "-cli"
+
+	// Events from the syft library
 
 	// PackageCatalogerStarted is a partybus event that occurs when the package cataloging has begun
-	PackageCatalogerStarted partybus.EventType = "syft-package-cataloger-started-event"
+	PackageCatalogerStarted partybus.EventType = typePrefix + "-package-cataloger-started-event"
 
 	//nolint:gosec
 	// SecretsCatalogerStarted is a partybus event that occurs when the secrets cataloging has begun
-	SecretsCatalogerStarted partybus.EventType = "syft-secrets-cataloger-started-event"
+	SecretsCatalogerStarted partybus.EventType = typePrefix + "-secrets-cataloger-started-event"
 
 	// FileMetadataCatalogerStarted is a partybus event that occurs when the file metadata cataloging has begun
-	FileMetadataCatalogerStarted partybus.EventType = "syft-file-metadata-cataloger-started-event"
+	FileMetadataCatalogerStarted partybus.EventType = typePrefix + "-file-metadata-cataloger-started-event"
 
 	// FileDigestsCatalogerStarted is a partybus event that occurs when the file digests cataloging has begun
-	FileDigestsCatalogerStarted partybus.EventType = "syft-file-digests-cataloger-started-event"
+	FileDigestsCatalogerStarted partybus.EventType = typePrefix + "-file-digests-cataloger-started-event"
 
 	// FileIndexingStarted is a partybus event that occurs when the directory resolver begins indexing a filesystem
-	FileIndexingStarted partybus.EventType = "syft-file-indexing-started-event"
+	FileIndexingStarted partybus.EventType = typePrefix + "-file-indexing-started-event"
-
-	// Exit is a partybus event that occurs when an analysis result is ready for final presentation
-	Exit partybus.EventType = "syft-exit-event"
-
-	// ImportStarted is a partybus event that occurs when an SBOM upload process has begun
-	ImportStarted partybus.EventType = "syft-import-started-event"
 
 	// AttestationStarted is a partybus event that occurs when starting an SBOM attestation process
-	AttestationStarted partybus.EventType = "syft-attestation-started-event"
+	AttestationStarted partybus.EventType = typePrefix + "-attestation-started-event"
 
 	// CatalogerTaskStarted is a partybus event that occurs when starting a task within a cataloger
-	CatalogerTaskStarted partybus.EventType = "syft-cataloger-task-started"
+	CatalogerTaskStarted partybus.EventType = typePrefix + "-cataloger-task-started"
+
+	// Events exclusively for the CLI
+
+	// CLIAppUpdateAvailable is a partybus event that occurs when an application update is available
+	CLIAppUpdateAvailable partybus.EventType = cliTypePrefix + "-app-update-available"
+
+	// CLIReport is a partybus event that occurs when an analysis result is ready for final presentation to stdout
+	CLIReport partybus.EventType = cliTypePrefix + "-report"
+
+	// CLINotification is a partybus event that occurs when auxiliary information is ready for presentation to stderr
+	CLINotification partybus.EventType = cliTypePrefix + "-notification"
+
+	// CLIExit is a partybus event that occurs when an analysis result is ready for final presentation
+	CLIExit partybus.EventType = cliTypePrefix + "-exit-event"
 )

syft/event/monitor/cataloger_task.go

@@ -1,12 +1,15 @@
-package event
+package monitor
 
 import (
 	"github.com/wagoodman/go-partybus"
 	"github.com/wagoodman/go-progress"
 
 	"github.com/anchore/syft/internal/bus"
+	"github.com/anchore/syft/syft/event"
 )
 
+// TODO: this should be refactored to support read-only/write-only access using idioms of the progress lib
+
 type CatalogerTask struct {
 	prog *progress.Manual
 	// Title
@@ -25,7 +28,7 @@ func (e *CatalogerTask) init() {
 	e.prog = progress.NewManual(-1)
 
 	bus.Publish(partybus.Event{
-		Type:   CatalogerTaskStarted,
+		Type:   event.CatalogerTaskStarted,
 		Source: e,
 	})
 }

syft/event/monitor/generic_task.go

@@ -8,7 +8,7 @@ import (
 
 type ShellProgress struct {
 	io.Reader
-	*progress.Manual
+	progress.Progressable
 }
 
 type Title struct {

syft/event/parsers/parsers.go

@@ -23,7 +23,7 @@ type ErrBadPayload struct {
 }
 
 func (e *ErrBadPayload) Error() string {
-	return fmt.Sprintf("event='%s' has bad event payload field='%v': '%+v'", string(e.Type), e.Field, e.Value)
+	return fmt.Sprintf("event='%s' has bad event payload field=%q: %q", string(e.Type), e.Field, e.Value)
 }
 
 func newPayloadErr(t partybus.EventType, field string, value interface{}) error {
@@ -111,12 +111,12 @@ func ParseFileIndexingStarted(e partybus.Event) (string, progress.StagedProgress
 	return path, prog, nil
 }
 
-func ParseCatalogerTaskStarted(e partybus.Event) (*event.CatalogerTask, error) {
+func ParseCatalogerTaskStarted(e partybus.Event) (*monitor.CatalogerTask, error) {
 	if err := checkEventType(e.Type, event.CatalogerTaskStarted); err != nil {
 		return nil, err
 	}
 
-	source, ok := e.Source.(*event.CatalogerTask)
+	source, ok := e.Source.(*monitor.CatalogerTask)
 	if !ok {
 		return nil, newPayloadErr(e.Type, "Source", e.Source)
 	}
@@ -124,50 +124,6 @@ func ParseCatalogerTaskStarted(e partybus.Event) (*event.CatalogerTask, error) {
 	return source, nil
 }
 
-func ParseExit(e partybus.Event) (func() error, error) {
-	if err := checkEventType(e.Type, event.Exit); err != nil {
-		return nil, err
-	}
-
-	fn, ok := e.Value.(func() error)
-	if !ok {
-		return nil, newPayloadErr(e.Type, "Value", e.Value)
-	}
-
-	return fn, nil
-}
-
-func ParseAppUpdateAvailable(e partybus.Event) (string, error) {
-	if err := checkEventType(e.Type, event.AppUpdateAvailable); err != nil {
-		return "", err
-	}
-
-	newVersion, ok := e.Value.(string)
-	if !ok {
-		return "", newPayloadErr(e.Type, "Value", e.Value)
-	}
-
-	return newVersion, nil
-}
-
-func ParseImportStarted(e partybus.Event) (string, progress.StagedProgressable, error) {
-	if err := checkEventType(e.Type, event.ImportStarted); err != nil {
-		return "", nil, err
-	}
-
-	host, ok := e.Source.(string)
-	if !ok {
-		return "", nil, newPayloadErr(e.Type, "Source", e.Source)
-	}
-
-	prog, ok := e.Value.(progress.StagedProgressable)
-	if !ok {
-		return "", nil, newPayloadErr(e.Type, "Value", e.Value)
-	}
-
-	return host, prog, nil
-}
-
 func ParseAttestationStartedEvent(e partybus.Event) (io.Reader, progress.Progressable, *monitor.GenericTask, error) {
 	if err := checkEventType(e.Type, event.AttestationStarted); err != nil {
 		return nil, nil, nil, err
@@ -183,5 +139,71 @@ func ParseAttestationStartedEvent(e partybus.Event) (io.Reader, progress.Progres
 		return nil, nil, nil, newPayloadErr(e.Type, "Value", e.Value)
 	}
 
-	return sp.Reader, sp.Manual, &source, nil
+	return sp.Reader, sp.Progressable, &source, nil
+}
+
+// CLI event types
+
+func ParseCLIExit(e partybus.Event) (func() error, error) {
+	if err := checkEventType(e.Type, event.CLIExit); err != nil {
+		return nil, err
+	}
+
+	fn, ok := e.Value.(func() error)
+	if !ok {
+		return nil, newPayloadErr(e.Type, "Value", e.Value)
+	}
+
+	return fn, nil
+}
+
+func ParseCLIAppUpdateAvailable(e partybus.Event) (string, error) {
+	if err := checkEventType(e.Type, event.CLIAppUpdateAvailable); err != nil {
+		return "", err
+	}
+
+	newVersion, ok := e.Value.(string)
+	if !ok {
+		return "", newPayloadErr(e.Type, "Value", e.Value)
+	}
+
+	return newVersion, nil
+}
+
+func ParseCLIReport(e partybus.Event) (string, string, error) {
+	if err := checkEventType(e.Type, event.CLIReport); err != nil {
+		return "", "", err
+	}
+
+	context, ok := e.Source.(string)
+	if !ok {
+		// this is optional
+		context = ""
+	}
+
+	report, ok := e.Value.(string)
+	if !ok {
+		return "", "", newPayloadErr(e.Type, "Value", e.Value)
+	}
+
+	return context, report, nil
+}
+
+func ParseCLINotification(e partybus.Event) (string, string, error) {
+	if err := checkEventType(e.Type, event.CLINotification); err != nil {
+		return "", "", err
+	}
+
+	context, ok := e.Source.(string)
+	if !ok {
+		// this is optional
+		context = ""
+	}
+
+	notification, ok := e.Value.(string)
+	if !ok {
+		return "", "", newPayloadErr(e.Type, "Value", e.Value)
+	}
+
+	return context, notification, nil
 }

syft/internal/fileresolver/directory_indexer.go

@@ -332,14 +332,15 @@ func (r directoryIndexer) addFileToIndex(p string, info os.FileInfo) error {
 func (r directoryIndexer) addSymlinkToIndex(p string, info os.FileInfo) (string, error) {
 	linkTarget, err := os.Readlink(p)
 	if err != nil {
-		if runtime.GOOS == WindowsOS {
+		isOnWindows := windows.HostRunningOnWindows()
-			p = posixToWindows(p)
+		if isOnWindows {
+			p = windows.FromPosix(p)
 		}
 
 		linkTarget, err = filepath.EvalSymlinks(p)
 
-		if runtime.GOOS == WindowsOS {
+		if isOnWindows {
-			p = windowsToPosix(p)
+			p = windows.ToPosix(p)
 		}
 
 		if err != nil {

syft/lib.go

@@ -94,10 +94,10 @@ func newSourceRelationshipsFromCatalog(src source.Source, c *pkg.Collection) []a
 
 // SetLogger sets the logger object used for all syft logging calls.
 func SetLogger(logger logger.Logger) {
-	log.Log = logger
+	log.Set(logger)
 }
 
 // SetBus sets the event bus for all syft library bus publish events onto (in-library subscriptions are not allowed).
 func SetBus(b *partybus.Bus) {
-	bus.SetPublisher(b)
+	bus.Set(b)
 }

syft/pkg/cataloger/golang/cataloger.go

@@ -6,7 +6,7 @@ package golang
 import (
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/syft/artifact"
-	"github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/event/monitor"
 	"github.com/anchore/syft/syft/file"
 	"github.com/anchore/syft/syft/pkg"
 	"github.com/anchore/syft/syft/pkg/cataloger/generic"
@@ -37,7 +37,7 @@ func NewGoModuleBinaryCataloger(opts GoCatalogerOpts) pkg.Cataloger {
 }
 
 type progressingCataloger struct {
-	progress  *event.CatalogerTask
+	progress  *monitor.CatalogerTask
 	cataloger *generic.Cataloger
 }
 

syft/pkg/cataloger/golang/licenses.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/anchore/syft/internal/licenses"
 	"github.com/anchore/syft/internal/log"
-	"github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/event/monitor"
 	"github.com/anchore/syft/syft/file"
 	"github.com/anchore/syft/syft/internal/fileresolver"
 	"github.com/anchore/syft/syft/pkg"
@@ -30,14 +30,14 @@ import (
 type goLicenses struct {
 	opts                  GoCatalogerOpts
 	localModCacheResolver file.WritableResolver
-	progress              *event.CatalogerTask
+	progress              *monitor.CatalogerTask
 }
 
 func newGoLicenses(opts GoCatalogerOpts) goLicenses {
 	return goLicenses{
 		opts:                  opts,
 		localModCacheResolver: modCacheResolver(opts.localModCacheDir),
-		progress: &event.CatalogerTask{
+		progress: &monitor.CatalogerTask{
 			SubStatus:          true,
 			RemoveOnCompletion: true,
 			Title:              "Downloading go mod",
@@ -195,7 +195,7 @@ func processCaps(s string) string {
 	})
 }
 
-func getModule(progress *event.CatalogerTask, proxies []string, moduleName, moduleVersion string) (fsys fs.FS, err error) {
+func getModule(progress *monitor.CatalogerTask, proxies []string, moduleName, moduleVersion string) (fsys fs.FS, err error) {
 	for _, proxy := range proxies {
 		u, _ := url.Parse(proxy)
 		if proxy == "direct" {
@@ -217,7 +217,7 @@ func getModule(progress *event.CatalogerTask, proxies []string, moduleName, modu
 	return
 }
 
-func getModuleProxy(progress *event.CatalogerTask, proxy string, moduleName string, moduleVersion string) (out fs.FS, _ error) {
+func getModuleProxy(progress *monitor.CatalogerTask, proxy string, moduleName string, moduleVersion string) (out fs.FS, _ error) {
 	u := fmt.Sprintf("%s/%s/@v/%s.zip", proxy, moduleName, moduleVersion)
 	progress.SetValue(u)
 	// get the module zip
@@ -265,7 +265,7 @@ func findVersionPath(f fs.FS, dir string) string {
 	return ""
 }
 
-func getModuleRepository(progress *event.CatalogerTask, moduleName string, moduleVersion string) (fs.FS, error) {
+func getModuleRepository(progress *monitor.CatalogerTask, moduleName string, moduleVersion string) (fs.FS, error) {
 	repoName := moduleName
 	parts := strings.Split(moduleName, "/")
 	if len(parts) > 2 {

syft/pkg/cataloger/rust/parse_audit_binary.go

@@ -49,8 +49,7 @@ func parseAuditBinaryEntry(reader unionreader.UnionReader, filename string) []ru
 				// binary, we should not show warnings/logs in this case.
 				return nil
 			}
-			// Use an Info level log here like golang/scan_bin.go
+			log.Tracef("rust cataloger: unable to read dependency information (file=%q): %v", filename, err)
-			log.Infof("rust cataloger: unable to read dependency information (file=%q): %v", filename, err)
 			return nil
 		}
 

ui/deprecated.go

@@ -1,3 +1,8 @@
+/*
+Package ui provides all public UI elements intended to be repurposed in other applications. Specifically, a single
+Handler object is provided to allow consuming applications (such as grype) to check if there are UI elements the handler
+can respond to (given a specific event type) and handle the event in context of the given screen frame object.
+*/
 package ui
 
 import (
@@ -18,15 +23,16 @@ import (
 	"github.com/wagoodman/go-progress/format"
 	"github.com/wagoodman/jotframe/pkg/frame"
 
+	stereoscopeEvent "github.com/anchore/stereoscope/pkg/event"
 	stereoEventParsers "github.com/anchore/stereoscope/pkg/event/parsers"
 	"github.com/anchore/stereoscope/pkg/image/docker"
 	"github.com/anchore/syft/internal"
-	"github.com/anchore/syft/internal/ui/components"
+	syftEvent "github.com/anchore/syft/syft/event"
 	syftEventParsers "github.com/anchore/syft/syft/event/parsers"
 )
 
 const maxBarWidth = 50
-const statusSet = components.SpinnerDotSet
+const statusSet = SpinnerDotSet
 const completedStatus = "✔"
 const failedStatus = "✘"
 const titleFormat = color.Bold
@@ -46,16 +52,118 @@ var (
 	subStatusTitleTemplate   = fmt.Sprintf("   └── %%-%ds ", StatusTitleColumn-3)
 )
 
+// Handler is an aggregated event handler for the set of supported events (PullDockerImage, ReadImage, FetchImage, PackageCatalogerStarted)
+// Deprecated: use the bubbletea event handler in cmd/syft/ui/handler.go instead.
+type Handler struct {
+}
+
+// NewHandler returns an empty Handler
+// Deprecated: use the bubbletea event handler in cmd/syft/ui/handler.go instead.
+func NewHandler() *Handler {
+	return &Handler{}
+}
+
+// RespondsTo indicates if the handler is capable of handling the given event.
+// Deprecated: use the bubbletea event handler in cmd/syft/ui/handler.go instead.
+func (r *Handler) RespondsTo(event partybus.Event) bool {
+	switch event.Type {
+	case stereoscopeEvent.PullDockerImage,
+		stereoscopeEvent.ReadImage,
+		stereoscopeEvent.FetchImage,
+		syftEvent.PackageCatalogerStarted,
+		syftEvent.SecretsCatalogerStarted,
+		syftEvent.FileDigestsCatalogerStarted,
+		syftEvent.FileMetadataCatalogerStarted,
+		syftEvent.FileIndexingStarted,
+		syftEvent.AttestationStarted,
+		syftEvent.CatalogerTaskStarted:
+		return true
+	default:
+		return false
+	}
+}
+
+// Handle calls the specific event handler for the given event within the context of the screen frame.
+// Deprecated: use the bubbletea event handler in cmd/syft/ui/handler.go instead.
+func (r *Handler) Handle(ctx context.Context, fr *frame.Frame, event partybus.Event, wg *sync.WaitGroup) error {
+	switch event.Type {
+	case stereoscopeEvent.PullDockerImage:
+		return PullDockerImageHandler(ctx, fr, event, wg)
+
+	case stereoscopeEvent.ReadImage:
+		return ReadImageHandler(ctx, fr, event, wg)
+
+	case stereoscopeEvent.FetchImage:
+		return FetchImageHandler(ctx, fr, event, wg)
+
+	case syftEvent.PackageCatalogerStarted:
+		return PackageCatalogerStartedHandler(ctx, fr, event, wg)
+
+	case syftEvent.SecretsCatalogerStarted:
+		return SecretsCatalogerStartedHandler(ctx, fr, event, wg)
+
+	case syftEvent.FileDigestsCatalogerStarted:
+		return FileDigestsCatalogerStartedHandler(ctx, fr, event, wg)
+
+	case syftEvent.FileMetadataCatalogerStarted:
+		return FileMetadataCatalogerStartedHandler(ctx, fr, event, wg)
+
+	case syftEvent.FileIndexingStarted:
+		return FileIndexingStartedHandler(ctx, fr, event, wg)
+
+	case syftEvent.AttestationStarted:
+		return AttestationStartedHandler(ctx, fr, event, wg)
+
+	case syftEvent.CatalogerTaskStarted:
+		return CatalogerTaskStartedHandler(ctx, fr, event, wg)
+	}
+	return nil
+}
+
+const (
+	SpinnerDotSet = "⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏"
+)
+
+type spinner struct {
+	index   int
+	charset []string
+	lock    sync.Mutex
+}
+
+func newSpinner(charset string) spinner {
+	return spinner{
+		charset: strings.Split(charset, ""),
+	}
+}
+
+func (s *spinner) Current() string {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	return s.charset[s.index]
+}
+
+func (s *spinner) Next() string {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+	c := s.charset[s.index]
+	s.index++
+	if s.index >= len(s.charset) {
+		s.index = 0
+	}
+	return c
+}
+
 // startProcess is a helper function for providing common elements for long-running UI elements (such as a
 // progress bar formatter and status spinner)
-func startProcess() (format.Simple, *components.Spinner) {
+func startProcess() (format.Simple, *spinner) {
 	width, _ := frame.GetTerminalSize()
 	barWidth := int(0.25 * float64(width))
 	if barWidth > maxBarWidth {
 		barWidth = maxBarWidth
 	}
 	formatter := format.NewSimpleWithTheme(barWidth, format.HeavyNoBarTheme, format.ColorCompleted, format.ColorTodo)
-	spinner := components.NewSpinner(statusSet)
+	spinner := newSpinner(statusSet)
 
 	return formatter, &spinner
 }
@@ -82,7 +190,7 @@ func formatDockerPullPhase(phase docker.PullPhase, inputStr string) string {
 }
 
 // formatDockerImagePullStatus writes the docker image pull status summarized into a single line for the given state.
-func formatDockerImagePullStatus(pullStatus *docker.PullStatus, spinner *components.Spinner, line *frame.Line) {
+func formatDockerImagePullStatus(pullStatus *docker.PullStatus, spinner *spinner, line *frame.Line) {
 	var size, current uint64
 
 	title := titleFormat.Sprint("Pulling image")
@@ -491,50 +599,6 @@ func FileDigestsCatalogerStartedHandler(ctx context.Context, fr *frame.Frame, ev
 	return err
 }
 
-// ImportStartedHandler shows the intermittent upload progress to Anchore Enterprise.
-func ImportStartedHandler(ctx context.Context, fr *frame.Frame, event partybus.Event, wg *sync.WaitGroup) error {
-	host, prog, err := syftEventParsers.ParseImportStarted(event)
-	if err != nil {
-		return fmt.Errorf("bad %s event: %w", event.Type, err)
-	}
-
-	line, err := fr.Append()
-	if err != nil {
-		return err
-	}
-	wg.Add(1)
-
-	formatter, spinner := startProcess()
-	stream := progress.Stream(ctx, prog, interval)
-	title := titleFormat.Sprint("Uploading image")
-
-	formatFn := func(p progress.Progress) {
-		progStr, err := formatter.Format(p)
-		spin := color.Magenta.Sprint(spinner.Next())
-		if err != nil {
-			_, _ = io.WriteString(line, fmt.Sprintf("Error: %+v", err))
-		} else {
-			auxInfo := auxInfoFormat.Sprintf("[%s]", prog.Stage())
-			_, _ = io.WriteString(line, fmt.Sprintf(statusTitleTemplate+"%s %s", spin, title, progStr, auxInfo))
-		}
-	}
-
-	go func() {
-		defer wg.Done()
-
-		formatFn(progress.Progress{})
-		for p := range stream {
-			formatFn(p)
-		}
-
-		spin := color.Green.Sprint(completedStatus)
-		title = titleFormat.Sprint("Uploaded image")
-		auxInfo := auxInfoFormat.Sprintf("[%s]", host)
-		_, _ = io.WriteString(line, fmt.Sprintf(statusTitleTemplate+"%s", spin, title, auxInfo))
-	}()
-	return err
-}
-
 // AttestationStartedHandler takes bytes from a event.ShellOutput and publishes them to the frame.
 //
 //nolint:funlen,gocognit

ui/handler.go

@@ -1,85 +0,0 @@
-/*
-Package ui provides all public UI elements intended to be repurposed in other applications. Specifically, a single
-Handler object is provided to allow consuming applications (such as grype) to check if there are UI elements the handler
-can respond to (given a specific event type) and handle the event in context of the given screen frame object.
-*/
-package ui
-
-import (
-	"context"
-	"sync"
-
-	"github.com/wagoodman/go-partybus"
-	"github.com/wagoodman/jotframe/pkg/frame"
-
-	stereoscopeEvent "github.com/anchore/stereoscope/pkg/event"
-	syftEvent "github.com/anchore/syft/syft/event"
-)
-
-// Handler is an aggregated event handler for the set of supported events (PullDockerImage, ReadImage, FetchImage, PackageCatalogerStarted)
-type Handler struct {
-}
-
-// NewHandler returns an empty Handler
-func NewHandler() *Handler {
-	return &Handler{}
-}
-
-// RespondsTo indicates if the handler is capable of handling the given event.
-func (r *Handler) RespondsTo(event partybus.Event) bool {
-	switch event.Type {
-	case stereoscopeEvent.PullDockerImage,
-		stereoscopeEvent.ReadImage,
-		stereoscopeEvent.FetchImage,
-		syftEvent.PackageCatalogerStarted,
-		syftEvent.SecretsCatalogerStarted,
-		syftEvent.FileDigestsCatalogerStarted,
-		syftEvent.FileMetadataCatalogerStarted,
-		syftEvent.FileIndexingStarted,
-		syftEvent.ImportStarted,
-		syftEvent.AttestationStarted,
-		syftEvent.CatalogerTaskStarted:
-		return true
-	default:
-		return false
-	}
-}
-
-// Handle calls the specific event handler for the given event within the context of the screen frame.
-func (r *Handler) Handle(ctx context.Context, fr *frame.Frame, event partybus.Event, wg *sync.WaitGroup) error {
-	switch event.Type {
-	case stereoscopeEvent.PullDockerImage:
-		return PullDockerImageHandler(ctx, fr, event, wg)
-
-	case stereoscopeEvent.ReadImage:
-		return ReadImageHandler(ctx, fr, event, wg)
-
-	case stereoscopeEvent.FetchImage:
-		return FetchImageHandler(ctx, fr, event, wg)
-
-	case syftEvent.PackageCatalogerStarted:
-		return PackageCatalogerStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.SecretsCatalogerStarted:
-		return SecretsCatalogerStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.FileDigestsCatalogerStarted:
-		return FileDigestsCatalogerStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.FileMetadataCatalogerStarted:
-		return FileMetadataCatalogerStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.FileIndexingStarted:
-		return FileIndexingStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.ImportStarted:
-		return ImportStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.AttestationStarted:
-		return AttestationStartedHandler(ctx, fr, event, wg)
-
-	case syftEvent.CatalogerTaskStarted:
-		return CatalogerTaskStartedHandler(ctx, fr, event, wg)
-	}
-	return nil
-}