Function runImport

cli/command/image/import.go:60–108

(ctx context.Context, dockerCli command.Cli, options importOptions)

}

func runImport(ctx context.Context, dockerCli command.Cli, options importOptions) error {
	var source client.ImageImportSource
	switch {
	case options.source == "-":
		// import from STDIN
		source = client.ImageImportSource{
			Source:     dockerCli.In(),
			SourceName: options.source,
		}
	case strings.HasPrefix(options.source, "https://"), strings.HasPrefix(options.source, "http://"):
		// import from a remote source (handled by the daemon)
		source = client.ImageImportSource{
			SourceName: options.source,
		}
	default:
		// import from a local file
		file, err := os.Open(options.source)
		if err != nil {
			return err
		}
		defer file.Close()
		source = client.ImageImportSource{
			Source:     file,
			SourceName: "-",
		}
	}

	// TODO(thaJeztah): add a platform option-type / flag-type.
	var ociPlatform ocispec.Platform
	if options.platform != "" {
		var err error
		ociPlatform, err = platforms.Parse(options.platform)
		if err != nil {
			return err
		}
	}

	responseBody, err := dockerCli.Client().ImageImport(ctx, source, options.reference, client.ImageImportOptions{
		Message:  options.message,
		Changes:  options.changes.GetSlice(),
		Platform: ociPlatform,
	})
	if err != nil {
		return err
	}
	defer responseBody.Close()

	return jsonstream.Display(ctx, responseBody, dockerCli.Out())
}