65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package image
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import (
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"golang.org/x/net/context"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/docker/docker/cli/command/formatter"
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"github.com/spf13/cobra"
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)
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type historyOptions struct {
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image string
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human bool
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quiet bool
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noTrunc bool
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format string
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}
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// NewHistoryCommand creates a new `docker history` command
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func NewHistoryCommand(dockerCli *command.DockerCli) *cobra.Command {
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var opts historyOptions
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cmd := &cobra.Command{
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Use: "history [OPTIONS] IMAGE",
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Short: "Show the history of an image",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.image = args[0]
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return runHistory(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVarP(&opts.human, "human", "H", true, "Print sizes and dates in human readable format")
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flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only show numeric IDs")
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Don't truncate output")
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flags.StringVar(&opts.format, "format", "", "Pretty-print images using a Go template")
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return cmd
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}
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func runHistory(dockerCli *command.DockerCli, opts historyOptions) error {
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ctx := context.Background()
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history, err := dockerCli.Client().ImageHistory(ctx, opts.image)
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if err != nil {
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return err
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}
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format := opts.format
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if len(format) == 0 {
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format = formatter.TableFormatKey
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}
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historyCtx := formatter.Context{
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Output: dockerCli.Out(),
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Format: formatter.NewHistoryFormat(format, opts.quiet, opts.human),
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Trunc: !opts.noTrunc,
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}
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return formatter.HistoryWrite(historyCtx, opts.human, history)
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}
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