✨ dynamically register commands based on PROJECT version.

If PROJECT doesn't exist or PROJECT exists with version=2, register
`create webhook`, but no `alpha webhook`.
If PROJECT exists and version=1, register `alpha webhook` but no `create
webhook`

Author: Mengqi Yu

cmd/create.go

@@ -33,7 +33,17 @@ func newCreateCmd() *cobra.Command {
 	}
 	cmd.AddCommand(
 		newAPICommand(),
-		newWebhookV2Cmd(),
 	)
+
+	foundProject, version := getProjectVersion()
+	// It add webhook v2 command in the following 2 cases:
+	// - There are no PROJECT file found.
+	// - version == 2 is found in the PROJECT file.
+	if !foundProject || version == "2" {
+		cmd.AddCommand(
+			newWebhookV2Cmd(),
+		)
+	}
+
 	return cmd
 }

cmd/docs.go

@@ -117,11 +117,16 @@ func main() {
 		newInitProjectCmd(),
 		newCreateCmd(),
 		version.NewVersionCmd(),
-		newDocsCmd(),
-		newVendorUpdateCmd(),
-		newAlphaCommand(),
 	)
 
+	foundProject, version := getProjectVersion()
+	if foundProject && version == "1" {
+		rootCmd.AddCommand(
+			newAlphaCommand(),
+			newVendorUpdateCmd(),
+		)
+	}
+
 	if err := rootCmd.Execute(); err != nil {
 		log.Fatal(err)
 	}
@@ -181,3 +186,16 @@ After the scaffold is written, api will run make on the project.
 		},
 	}
 }
+
+// getProjectVersion tries to load PROJECT file and returns if the file exist
+// and the version string
+func getProjectVersion() (bool, string) {
+	if _, err := os.Stat("PROJECT"); os.IsNotExist(err) {
+		return false, ""
+	}
+	projectInfo, err := scaffold.LoadProjectFile("PROJECT")
+	if err != nil {
+		log.Fatalf("failed to read the PROJECT file: %v", err)
+	}
+	return true, projectInfo.Version
+}