refactor command package to remove globals and add dependency injection

cmd/syft/cli/poweruser.go

@@ -0,0 +1,49 @@
+package cli
+
+import (
+	"fmt"
+
+	"github.com/anchore/syft/cmd/syft/cli/options"
+	"github.com/anchore/syft/cmd/syft/cli/poweruser"
+	"github.com/anchore/syft/internal"
+	"github.com/anchore/syft/internal/config"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const powerUserExample = `  {{.appName}} {{.command}} <image>
+  DEPRECATED - THIS COMMAND WILL BE REMOVED in v1.0.0
+  Only image sources are supported (e.g. docker: , podman: , docker-archive: , oci: , etc.), the directory source (dir:) is not supported.
+  All behavior is controlled via application configuration and environment variables (see https://github.com/anchore/syft#configuration)
+`
+
+func PowerUser(v *viper.Viper, app *config.Application, ro *options.RootOptions) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "power-user [IMAGE]",
+		Short: "Run bulk operations on container images",
+		Example: internal.Tprintf(powerUserExample, map[string]interface{}{
+			"appName": internal.ApplicationName,
+			"command": "power-user",
+		}),
+		Args: func(cmd *cobra.Command, args []string) error {
+			if err := app.LoadAllValues(v, ro.Config); err != nil {
+				return fmt.Errorf("invalid application config: %v", err)
+			}
+			// configure logging for command
+			newLogWrapper(app)
+			logApplicationConfig(app)
+			return validateArgs(cmd, args)
+		},
+		Hidden:        true,
+		SilenceUsage:  true,
+		SilenceErrors: true,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if app.CheckForAppUpdate {
+				checkForApplicationUpdate()
+			}
+			return poweruser.Run(cmd.Context(), app, args)
+		},
+	}
+
+	return cmd
+}