initial commit for version flag in download init

Signed-off-by: Josh Brewer <[email protected]>

Author: jbrewer3

src/cmd/zarf_tools.go

@@ -35,9 +35,11 @@ import (
 	"github.com/zarf-dev/zarf/src/types"
 )
 
-var subAltNames []string
-var outputDirectory string
-var updateCredsInitOpts types.ZarfInitOptions
+var (
+	subAltNames         []string
+	outputDirectory     string
+	updateCredsInitOpts types.ZarfInitOptions
+)
 
 const (
 	registryKey     = "registry"
@@ -455,7 +457,9 @@ func (o *clearCacheOptions) run(cmd *cobra.Command, _ []string) error {
 	return nil
 }
 
-type downloadInitOptions struct{}
+type downloadInitOptions struct {
+	version string
+}
 
 func newDownloadInitCommand() *cobra.Command {
 	o := &downloadInitOptions{}
@@ -467,13 +471,17 @@ func newDownloadInitCommand() *cobra.Command {
 	}
 
 	cmd.Flags().StringVarP(&outputDirectory, "output-directory", "o", "", lang.CmdToolsDownloadInitFlagOutputDirectory)
-
+	cmd.Flags().StringVarP(&o.version, "version", "v", o.version, "Specify version to download (defaults to current CLI version)")
 	return cmd
 }
 
 func (o *downloadInitOptions) run(cmd *cobra.Command, _ []string) error {
+	if o.version == "" {
+		o.version = config.CLIVersion
+	}
+
 	ctx := cmd.Context()
-	url := zoci.GetInitPackageURL(config.CLIVersion)
+	url := zoci.GetInitPackageURL(o.version)
 	remote, err := zoci.NewRemote(ctx, url, oci.PlatformForArch(config.GetArch()))
 	if err != nil {
 		return fmt.Errorf("unable to download the init package: %w", err)