Default to config value for build_api_credentials_source flag.

Bug: b/514303383

Author: ser-io

pkg/cli/cli.go

@@ -647,7 +647,7 @@ func createCommand(opts *subCommandOpts) *cobra.Command {
 	create.Flags().StringVar(
 		&createFlags.BuildAPICredentialsSource,
 		buildAPICredsSourceFlag,
-		"none",
+		opts.InitialConfig.DefaultService().BuildAPICredentialsSource,
 		"Source for the Build API OAuth2 credentials")
 	create.Flags().StringVar(
 		&createFlags.BuildAPIUserProjectID,

pkg/cli/config.go

@@ -80,7 +80,7 @@ func (c *Config) DefaultService() *Service {
 	} else if c.SystemDefaultService != "" {
 		return c.Services[c.SystemDefaultService]
 	}
-	return &Service{}
+	return &Service{BuildAPICredentialsSource: "none"}
 }
 
 func (c *Config) ConnectionControlDirExpanded() string {

scripts/on-premises/single-server/cvdr.toml

@@ -35,3 +35,6 @@ Host = {}
 
 # Agent name used for ADB connection.
 ConnectAgent = "websocket"
+
+BuildAPICredentialsSource = "none"
+