chore: update CLI to CLIO (#2001)

Signed-off-by: Keith Zantow <kzantow@gmail.com>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
Co-authored-by: Alex Goodman <wagoodman@users.noreply.github.com>

syft/event/event.go

@@ -6,12 +6,10 @@ package event
 
 import (
 	"github.com/wagoodman/go-partybus"
-
-	"github.com/anchore/syft/internal"
 )
 
 const (
-	typePrefix    = internal.ApplicationName
+	typePrefix    = "syft"
 	cliTypePrefix = typePrefix + "-cli"
 
 	// Events from the syft library
@@ -48,7 +46,4 @@ const (
 
 	// 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/parsers/parsers.go

@@ -144,30 +144,22 @@ func ParseAttestationStartedEvent(e partybus.Event) (io.Reader, progress.Progres
 
 // CLI event types
 
-func ParseCLIExit(e partybus.Event) (func() error, error) {
-	if err := checkEventType(e.Type, event.CLIExit); err != nil {
+type UpdateCheck struct {
+	New     string
+	Current string
+}
+
+func ParseCLIAppUpdateAvailable(e partybus.Event) (*UpdateCheck, error) {
+	if err := checkEventType(e.Type, event.CLIAppUpdateAvailable); err != nil {
 		return nil, err
 	}
 
-	fn, ok := e.Value.(func() error)
+	updateCheck, ok := e.Value.(UpdateCheck)
 	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
+	return &updateCheck, nil
 }
 
 func ParseCLIReport(e partybus.Event) (string, string, error) {