feat: support pinning versions with new auto-upgrade functionality

internal/actions/runWorkflow.go

@@ -3,7 +3,6 @@ package actions
 import (
 	"fmt"
 
-	"github.com/hashicorp/go-version"
 	"github.com/speakeasy-api/sdk-generation-action/internal/configuration"
 	"github.com/speakeasy-api/sdk-generation-action/internal/git"
 	"github.com/speakeasy-api/sdk-generation-action/internal/run"
@@ -20,14 +19,19 @@ func RunWorkflow() error {
 		return err
 	}
 
-	resolvedVersion, err := cli.Download(environment.GetPinnedSpeakeasyVersion(), g)
+	// The top-level CLI can always use latest. The CLI itself manages pinned versions.
+	resolvedVersion, err := cli.Download("latest", g)
 	if err != nil {
 		return err
 	}
 
-	minimumVersionForRun := version.Must(version.NewVersion("1.161.0"))
-	if !cli.IsAtLeastVersion(minimumVersionForRun) {
-		return fmt.Errorf("action requires at least version %s of the speakeasy CLI", minimumVersionForRun)
+	pinnedVersion := cli.GetVersion(environment.GetPinnedSpeakeasyVersion())
+	if pinnedVersion != "latest" {
+		resolvedVersion = pinnedVersion
+		// This environment variable is read by the CLI to determine which version should be used to execute `run`
+		if err := environment.SetCLIVersionToUse(pinnedVersion); err != nil {
+			return fmt.Errorf("failed to set pinned speakeasy version: %w", err)
+		}
 	}
 
 	mode := environment.GetMode()

internal/cli/speakeasy.go

@@ -83,6 +83,10 @@ func runSpeakeasyCommand(args ...string) (string, error) {
 	cmd.Dir = filepath.Join(environment.GetWorkspace(), "repo", environment.GetWorkingDirectory())
 	cmd.Env = os.Environ()
 	cmd.Env = append(cmd.Env, "SPEAKEASY_RUN_LOCATION=action")
+
+	// TODO: remove
+	fmt.Println("Running speakeasy command with env: ", strings.Join(cmd.Env, " "))
+
 	output, err := cmd.CombinedOutput()
 	if err != nil {
 		return string(output), fmt.Errorf("error running speakeasy command: speakeasy %s - %w\n %s", strings.Join(args, " "), err, string(output))

internal/environment/environment.go

@@ -218,3 +218,7 @@ func GetWorkspace() string {
 func ShouldOutputTests() bool {
 	return os.Getenv("INPUT_OUTPUT_TESTS") == "true"
 }
+
+func SetCLIVersionToUse(version string) error {
+	return os.Setenv("PINNED_VERSION", version)
+}