refactor command package to remove globals and add dependency injection

cmd/syft/cli/options/verbose.go

@@ -0,0 +1,18 @@
+package options
+
+import (
+	"github.com/anchore/syft/internal"
+	"github.com/anchore/syft/internal/config"
+	"github.com/anchore/syft/internal/log"
+)
+
+func IsVerbose(app *config.Application) (result bool) {
+	isPipedInput, err := internal.IsPipedInput()
+	if err != nil {
+		// since we can't tell if there was piped input we assume that there could be to disable the ETUI
+		log.Warnf("unable to determine if there is piped input: %+v", err)
+		return true
+	}
+	// verbosity should consider if there is piped input (in which case we should not show the ETUI)
+	return app.Verbosity > 0 || isPipedInput
+}