package images import ( "github.com/containers/libpod/cmd/podmanV2/registry" "github.com/containers/libpod/cmd/podmanV2/report" "github.com/containers/libpod/pkg/domain/entities" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( // podman container _inspect_ diffCmd = &cobra.Command{ Use: "diff [flags] CONTAINER", Args: registry.IdOrLatestArgs, Short: "Inspect changes on image's file systems", Long: `Displays changes on a image's filesystem. The image will be compared to its parent layer.`, PreRunE: preRunE, RunE: diff, Example: `podman image diff myImage podman image diff --format json redis:alpine`, } diffOpts *entities.DiffOptions ) func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: diffCmd, Parent: imageCmd, }) diffOpts = &entities.DiffOptions{} flags := diffCmd.Flags() flags.BoolVar(&diffOpts.Archive, "archive", true, "Save the diff as a tar archive") _ = flags.MarkHidden("archive") flags.StringVar(&diffOpts.Format, "format", "", "Change the output format") } func diff(cmd *cobra.Command, args []string) error { if len(args) == 0 && !diffOpts.Latest { return errors.New("image must be specified: podman image diff [options [...]] ID-NAME") } results, err := registry.ImageEngine().Diff(registry.GetContext(), args[0], entities.DiffOptions{}) if err != nil { return err } switch diffOpts.Format { case "": return report.ChangesToTable(results) case "json": return report.ChangesToJSON(results) default: return errors.New("only supported value for '--format' is 'json'") } } func Diff(cmd *cobra.Command, args []string, options entities.DiffOptions) error { diffOpts = &options return diff(cmd, args) }