Don't load snapshot just to show stack name (#9199)

* Don't load snapshot just to show stack name

* Add to CHANGELOG

CHANGELOG_PENDING.md

@@ -4,11 +4,14 @@
 - [language/dotnet] - Updated Pulumi dotnet packages to use grpc-dotnet instead of grpc.
   [#9149](https://github.com/pulumi/pulumi/pull/9149)
 
-- [cli/config] Rename the `config` property in `Pulumi.yaml` to `stackConfigDir`. The `config` key will continue to be supported.
+- [cli/config] - Rename the `config` property in `Pulumi.yaml` to `stackConfigDir`. The `config` key will continue to be supported.
   [#9145](https://github.com/pulumi/pulumi/pull/9145)
 
 - [cli/plugins] Add support for downloading plugin from private Pulumi GitHub releases. This also drops the use of the `GITHUB_ACTOR` and `GITHUB_PERSONAL_ACCESS_TOKEN` environment variables for authenticating to github. Only `GITHUB_TOKEN` is now used, but this can be set to a personal access token.
   [#9185](https://github.com/pulumi/pulumi/pull/9185)
+
+- [cli] - Speed up `pulumi stack --show-name` by skipping unneeded snapshot loading.
+  [#9199](https://github.com/pulumi/pulumi/pull/9199)
 
 ### Bug Fixes
 

pkg/cmd/pulumi/stack.go

@@ -56,16 +56,17 @@ func newStackCmd() *cobra.Command {
 			if err != nil {
 				return err
 			}
-			snap, err := s.Snapshot(commandContext())
-			if err != nil {
-				return err
-			}
 
 			if showStackName {
 				fmt.Printf("%s\n", s.Ref().Name())
 				return nil
 			}
 
+			snap, err := s.Snapshot(commandContext())
+			if err != nil {
+				return err
+			}
+
 			// First print general info about the current stack.
 			fmt.Printf("Current stack is %s:\n", s.Ref())