58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"github.com/containers/libpod/cmd/podman/cliconfig"
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"github.com/containers/libpod/pkg/adapter"
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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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treeCommand cliconfig.TreeValues
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treeDescription = "Prints layer hierarchy of an image in a tree format"
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_treeCommand = &cobra.Command{
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Use: "tree [flags] IMAGE",
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Short: treeDescription,
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Long: treeDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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treeCommand.InputArgs = args
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treeCommand.GlobalFlags = MainGlobalOpts
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treeCommand.Remote = remoteclient
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return treeCmd(&treeCommand)
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},
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Example: "podman image tree alpine:latest",
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}
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)
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func init() {
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treeCommand.Command = _treeCommand
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treeCommand.SetUsageTemplate(UsageTemplate())
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treeCommand.Flags().BoolVar(&treeCommand.WhatRequires, "whatrequires", false, "Show all child images and layers of the specified image")
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}
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func treeCmd(c *cliconfig.TreeValues) error {
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args := c.InputArgs
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if len(args) == 0 {
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return errors.Errorf("an image name must be specified")
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}
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if len(args) > 1 {
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return errors.Errorf("you must provide at most 1 argument")
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}
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runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
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if err != nil {
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return errors.Wrapf(err, "error creating libpod runtime")
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}
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defer runtime.DeferredShutdown(false)
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tree, err := runtime.ImageTree(c.InputArgs[0], c.WhatRequires)
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if err != nil {
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return err
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}
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fmt.Print(tree)
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return nil
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}
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