mirror of https://github.com/containers/podman.git
80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
package images
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import (
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"context"
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"fmt"
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"os"
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"text/tabwriter"
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"text/template"
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"github.com/containers/libpod/cmd/podmanV2/registry"
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"github.com/containers/libpod/cmd/podmanV2/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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long = `Displays the history of an image.
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The information can be printed out in an easy to read, or user specified format, and can be truncated.`
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// podman _history_
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historyCmd = &cobra.Command{
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Use: "history [flags] IMAGE",
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Short: "Show history of a specified image",
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Long: long,
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Example: "podman history quay.io/fedora/fedora",
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Args: cobra.ExactArgs(1),
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PersistentPreRunE: preRunE,
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RunE: history,
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}
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)
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var cmdFlags = struct {
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Human bool
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NoTrunc bool
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Quiet bool
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Format string
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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: historyCmd,
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})
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historyCmd.SetHelpTemplate(registry.HelpTemplate())
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historyCmd.SetUsageTemplate(registry.UsageTemplate())
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flags := historyCmd.Flags()
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flags.StringVar(&cmdFlags.Format, "format", "", "Change the output to JSON or a Go template")
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flags.BoolVarP(&cmdFlags.Human, "human", "H", true, "Display sizes and dates in human readable format")
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flags.BoolVar(&cmdFlags.NoTrunc, "no-trunc", false, "Do not truncate the output")
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flags.BoolVar(&cmdFlags.NoTrunc, "notruncate", false, "Do not truncate the output")
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flags.BoolVarP(&cmdFlags.Quiet, "quiet", "q", false, "Display the numeric IDs only")
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}
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func history(cmd *cobra.Command, args []string) error {
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results, err := registry.ImageEngine().History(context.Background(), args[0], entities.ImageHistoryOptions{})
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if err != nil {
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return err
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}
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row := "{{slice $x.ID 0 12}}\t{{toRFC3339 $x.Created}}\t{{ellipsis $x.CreatedBy 45}}\t{{$x.Size}}\t{{$x.Comment}}\n"
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if cmdFlags.Human {
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row = "{{slice $x.ID 0 12}}\t{{toHumanDuration $x.Created}}\t{{ellipsis $x.CreatedBy 45}}\t{{toHumanSize $x.Size}}\t{{$x.Comment}}\n"
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}
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format := "{{range $y, $x := . }}" + row + "{{end}}"
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tmpl := template.Must(template.New("report").Funcs(report.PodmanTemplateFuncs()).Parse(format))
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w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
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_, _ = w.Write(report.ReportHeader("id", "created", "created by", "size", "comment"))
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err = tmpl.Execute(w, results.Layers)
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if err != nil {
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fmt.Fprintln(os.Stderr, errors.Wrapf(err, "Failed to print report"))
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}
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w.Flush()
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return nil
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}
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