Warn before initializing from archived template repositories

cli/azd/cmd/container.go

@@ -620,7 +620,23 @@ func registerCommonDependencies(container *ioc.NestedContainer) {
 		return security.NewManager(cwd)
 	})
 
-	container.MustRegisterSingleton(repository.NewInitializer)
+	container.MustRegisterSingleton(func(
+		console input.Console,
+		gitCli *git.Cli,
+		dotnetCli *dotnet.Cli,
+		features *alpha.FeatureManager,
+		lazyEnvManager *lazy.Lazy[environment.Manager],
+		transport policy.Transporter,
+	) *repository.Initializer {
+		return repository.NewInitializerWithRepositoryStatusChecker(
+			console,
+			gitCli,
+			dotnetCli,
+			features,
+			lazyEnvManager,
+			repository.NewGitHubRepositoryStatusChecker(transport),
+		)
+	})
 	container.MustRegisterSingleton(alpha.NewFeaturesManager)
 	container.MustRegisterSingleton(config.NewUserConfigManager)
 	container.MustRegisterSingleton(config.NewManager)

cli/azd/cmd/init.go

@@ -257,6 +257,7 @@ func (i *initAction) Run(ctx context.Context) (_ *actions.ActionResult, retErr e
 	// or pass "." to use the current directory (preserving existing behavior).
 	createdProjectDir := ""
 	originalWd := wd
+	cleanupProjectDir := false
 
 	if isTemplateInit {
 		targetDir, err := i.resolveTargetDirectory(wd)
@@ -308,7 +309,7 @@ func (i *initAction) Run(ctx context.Context) (_ *actions.ActionResult, retErr e
 			// Only remove the directory if we created it — don't delete
 			// pre-existing directories the user pointed at.
 			defer func() {
-				if retErr != nil {
+				if retErr != nil || cleanupProjectDir {
 					_ = os.Chdir(originalWd)
 					if !dirExistedBefore {
 						_ = os.RemoveAll(createdProjectDir)
@@ -424,6 +425,10 @@ func (i *initAction) Run(ctx context.Context) (_ *actions.ActionResult, retErr e
 		tracing.SetUsageAttributes(fields.InitMethod.String("template"))
 		template, err := i.initializeTemplate(ctx, azdCtx)
 		if err != nil {
+			if errors.Is(err, repository.ErrArchivedTemplateDeclined) {
+				cleanupProjectDir = true
+				return initCancelledResult(), nil
+			}
 			return nil, err
 		}
 

cli/azd/cmd/init_test.go

@@ -20,6 +20,7 @@ import (
 
 	"github.com/azure/azure-dev/cli/azd/internal"
 	"github.com/azure/azure-dev/cli/azd/internal/agent/consent"
+	"github.com/azure/azure-dev/cli/azd/internal/repository"
 	"github.com/azure/azure-dev/cli/azd/pkg/account"
 	"github.com/azure/azure-dev/cli/azd/pkg/alpha"
 	"github.com/azure/azure-dev/cli/azd/pkg/config"
@@ -154,6 +155,47 @@ func TestInitNoPromptRequiresMode(t *testing.T) {
 	})
 }
 
+func TestInitArchivedTemplateDeclinedCleansCreatedDirectory(t *testing.T) {
+	mockContext := mocks.NewMockContext(t.Context())
+	mockContext.Console.SetTerminal(true)
+	mockContext.Console.WhenConfirm(func(options input.ConsoleOptions) bool {
+		return options.Message == "Do you want to continue using this archived template?" &&
+			options.DefaultValue == false
+	}).Respond(false)
+
+	flags := &initFlags{
+		templatePath: "Azure-Samples/todo-csharp-sql-swa-func",
+		global:       &internal.GlobalCommandOptions{},
+	}
+	flags.EnvironmentName = "archive-test"
+
+	action := setupInitAction(t, mockContext, flags)
+	action.repoInitializer = repository.NewInitializerWithRepositoryStatusChecker(
+		mockContext.Console,
+		action.gitCli,
+		nil,
+		nil,
+		nil,
+		archivedRepositoryStatusChecker{},
+	)
+
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+	targetDir := filepath.Join(wd, "todo-csharp-sql-swa-func")
+
+	result, err := action.Run(t.Context())
+
+	require.NoError(t, err)
+	require.Equal(t, "Init cancelled.", result.Message.Header)
+	require.NoDirExists(t, targetDir)
+}
+
+type archivedRepositoryStatusChecker struct{}
+
+func (archivedRepositoryStatusChecker) Check(context.Context, string) (*repository.RepositoryStatus, error) {
+	return &repository.RepositoryStatus{Archived: true}, nil
+}
+
 func TestInitFailFastMissingEnvNonInteractive(t *testing.T) {
 	t.Run("NoLongerFailsWhenNoPromptWithTemplateAndNoEnv", func(t *testing.T) {
 		mockContext := mocks.NewMockContext(t.Context())

cli/azd/docs/environment-variables.md

@@ -132,6 +132,20 @@ specific version of the tool installed on the machine.
 | `AZD_PACK_TOOL_PATH` | The `pack` tool override path. The direct path to `pack` or `pack.exe`. |
 | `AZD_COPILOT_CLI_PATH` | The Copilot CLI tool override path. When set, skips automatic download and uses the specified path. |
 
+### GitHub Repository Access
+
+These GitHub-compatible variables are used when `azd init --template` checks repository metadata before cloning.
+Metadata requests are unauthenticated when no matching token is set.
+
+| Variable | Description |
+| --- | --- |
+| `GH_TOKEN` | Token used to request repository metadata from `github.com`. Takes precedence over `GITHUB_TOKEN`. |
+| `GITHUB_TOKEN` | Token used to request repository metadata from `github.com` when `GH_TOKEN` is not set. |
+| `GH_HOST` | GitHub Enterprise host recognized for repository metadata checks. |
+| `GITHUB_SERVER_URL` | GitHub server URL recognized for repository metadata checks when `GH_HOST` is not set. |
+| `GH_ENTERPRISE_TOKEN` | Token used to request repository metadata from a recognized GitHub Enterprise host. Takes precedence over `GITHUB_ENTERPRISE_TOKEN`. |
+| `GITHUB_ENTERPRISE_TOKEN` | Token used to request repository metadata from a recognized GitHub Enterprise host when `GH_ENTERPRISE_TOKEN` is not set. |
+
 ## Extension Configuration
 
 | Variable | Description |

cli/azd/internal/cmd/errors_test.go

@@ -1195,6 +1195,7 @@ func Test_PackageLevelErrorsMapped(t *testing.T) {
 		"ErrUnsupportedScriptType": "pkg/ext: hook script validation, caught before command level",
 
 		// Errors that are always caught/handled before reaching MapError
+		"ErrArchivedTemplateDeclined":          "caught in cmd/init.go and converted to a successful cancellation result",
 		"ErrEnsureEnvPreReqBicepCompileFailed": "caught in cmd/env.go and cmd/up.go before reaching telemetry",
 		"ErrAzdOperationsNotEnabled":           "caught in pkg/project/dotnet_importer.go before reaching telemetry",
 		"ErrAzCliSecretNotFound":               "caught in pkg/cmdsubst before reaching telemetry",

cli/azd/internal/repository/initializer.go

@@ -48,6 +48,7 @@ type Initializer struct {
 	dotnetCli      *dotnet.Cli
 	features       *alpha.FeatureManager
 	lazyEnvManager *lazy.Lazy[environment.Manager]
+	statusChecker  RepositoryStatusChecker
 }
 
 func NewInitializer(
@@ -66,6 +67,25 @@ func NewInitializer(
 	}
 }
 
+// NewInitializerWithRepositoryStatusChecker creates an initializer that checks repository metadata before cloning.
+func NewInitializerWithRepositoryStatusChecker(
+	console input.Console,
+	gitCli *git.Cli,
+	dotnetCli *dotnet.Cli,
+	features *alpha.FeatureManager,
+	lazyEnvManager *lazy.Lazy[environment.Manager],
+	statusChecker RepositoryStatusChecker,
+) *Initializer {
+	initializer := NewInitializer(console, gitCli, dotnetCli, features, lazyEnvManager)
+	initializer.statusChecker = statusChecker
+	return initializer
+}
+
+var (
+	// ErrArchivedTemplateDeclined indicates that the user chose not to initialize from an archived repository.
+	ErrArchivedTemplateDeclined = errors.New("archived template repository declined by user")
+)
+
 // Initializes a local repository in the project directory from a remote repository or local template directory.
 //
 // A confirmation prompt is displayed for any existing files to be overwritten.
@@ -76,18 +96,6 @@ func (i *Initializer) Initialize(
 	templateBranch string) error {
 	var err error
 
-	staging, err := os.MkdirTemp("", "az-dev-template")
-
-	if err != nil {
-		return fmt.Errorf("creating temp folder: %w", err)
-	}
-
-	// Attempt to remove the temporary directory we cloned the template into, but don't fail the
-	// overall operation if we can't.
-	defer func() {
-		_ = os.RemoveAll(staging)
-	}()
-
 	target := azdCtx.ProjectDirectory()
 
 	templateUrl, err := templates.Absolute(template.RepositoryPath)
@@ -107,6 +115,21 @@ func (i *Initializer) Initialize(
 		}
 	}
 
+	if err := i.confirmArchivedTemplate(ctx, templateUrl); err != nil {
+		return err
+	}
+
+	staging, err := os.MkdirTemp("", "az-dev-template")
+	if err != nil {
+		return fmt.Errorf("creating temp folder: %w", err)
+	}
+
+	// Attempt to remove the temporary directory we cloned the template into, but don't fail the
+	// overall operation if we can't.
+	defer func() {
+		_ = os.RemoveAll(staging)
+	}()
+
 	var stepMessage string
 	if templates.IsLocalPath(templateUrl) {
 		stepMessage = fmt.Sprintf(
@@ -184,6 +207,55 @@ func (i *Initializer) Initialize(
 	return nil
 }
 
+func (i *Initializer) confirmArchivedTemplate(ctx context.Context, templateURL string) error {
+	if i.statusChecker == nil {
+		return nil
+	}
+
+	status, err := i.statusChecker.Check(ctx, templateURL)
+	if err != nil {
+		if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
+			return err
+		}
+		log.Printf("unable to verify template repository archive status: %v", err)
+		return nil
+	}
+	if status == nil || !status.Archived {
+		return nil
+	}
+
+	i.console.Message(
+		ctx,
+		output.WithWarningFormat(
+			"WARNING: This template repository is archived and is no longer actively maintained.",
+		),
+	)
+	i.console.Message(
+		ctx,
+		"It may not receive dependency updates, compatibility fixes, security patches, or support.\n",
+	)
+
+	if i.console.IsNoPromptMode() {
+		return fmt.Errorf(
+			"template repository %s is archived and requires confirmation; rerun without --no-prompt",
+			templateURL,
+		)
+	}
+
+	confirmed, err := i.console.Confirm(ctx, input.ConsoleOptions{
+		Message:      "Do you want to continue using this archived template?",
+		DefaultValue: false,
+	})
+	if err != nil {
+		return err
+	}
+	if !confirmed {
+		return ErrArchivedTemplateDeclined
+	}
+
+	return nil
+}
+
 func (i *Initializer) fetchCode(
 	ctx context.Context,
 	templateUrl string,