Function cacheCleanCmd

src/cmd/linuxkit/cache_clean.go:14–50

()

)

func cacheCleanCmd() *cobra.Command {
	var (
		publishedOnly bool
	)
	cmd := &cobra.Command{
		Use:   "clean",
		Short: "empty the linuxkit cache",
		Long:  `Empty the linuxkit cache.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			// did we limit to published only?
			if !publishedOnly {
				if err := os.RemoveAll(cacheDir); err != nil {
					return fmt.Errorf("uUnable to clean cache %s: %v", cacheDir, err)
				}
				log.Infof("Cache emptied: %s", cacheDir)
				return nil
			}

			// list all of the images and content in the cache
			p, err := cachepkg.NewProvider(cacheDir)
			if err != nil {
				return fmt.Errorf("unable to read a local cache: %v", err)
			}
			images, err := p.List()

			if err != nil {
				return fmt.Errorf("error reading image names: %v", err)
			}
			removeImagesFromCache(images, p, publishedOnly)
			return nil
		},
	}

	cmd.Flags().BoolVar(&publishedOnly, "published-only", false, "Only clean images that linuxkit can confirm at the time of running have been published to the registry")

	return cmd
}

// removeImagesFromCache removes images from the cache.
func removeImagesFromCache(images map[string]string, p *cachepkg.Provider, publishedOnly bool) {