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https://github.com/containers/podman.git
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3eac39aaa0
* --latest now forces container diff * diff options now passed into domain layer * updated help/usage messages Signed-off-by: Jhon Honce <jhonce@redhat.com>
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package containers
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import (
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"github.com/containers/libpod/cmd/podman/registry"
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"github.com/containers/libpod/cmd/podman/report"
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"github.com/containers/libpod/pkg/domain/entities"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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// podman container _diff_
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diffCmd = &cobra.Command{
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Use: "diff [flags] CONTAINER",
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Args: registry.IdOrLatestArgs,
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Short: "Inspect changes on container's file systems",
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Long: `Displays changes on a container filesystem. The container will be compared to its parent layer.`,
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RunE: diff,
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Example: `podman container diff myCtr
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podman container diff -l --format json myCtr`,
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}
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diffOpts *entities.DiffOptions
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: diffCmd,
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Parent: containerCmd,
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})
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diffOpts = &entities.DiffOptions{}
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flags := diffCmd.Flags()
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flags.BoolVar(&diffOpts.Archive, "archive", true, "Save the diff as a tar archive")
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_ = flags.MarkHidden("archive")
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flags.StringVar(&diffOpts.Format, "format", "", "Change the output format")
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if !registry.IsRemote() {
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flags.BoolVarP(&diffOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
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}
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}
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func diff(cmd *cobra.Command, args []string) error {
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if len(args) == 0 && !diffOpts.Latest {
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return errors.New("container must be specified: podman container diff [options [...]] ID-NAME")
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}
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var id string
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if len(args) > 0 {
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id = args[0]
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}
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results, err := registry.ContainerEngine().ContainerDiff(registry.GetContext(), id, *diffOpts)
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if err != nil {
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return err
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}
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switch diffOpts.Format {
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case "":
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return report.ChangesToTable(results)
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case "json":
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return report.ChangesToJSON(results)
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default:
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return errors.New("only supported value for '--format' is 'json'")
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}
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}
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func Diff(cmd *cobra.Command, args []string, options entities.DiffOptions) error {
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diffOpts = &options
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return diff(cmd, args)
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}
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