[config] add config:export --format shell

plugins/config/src/subcommands/export/export.go

@@ -17,7 +17,7 @@ func main() {
 	args := flag.NewFlagSet("config:export", flag.ExitOnError)
 	global := args.Bool("global", false, "--global: use the global environment")
 	merged := args.Bool("merged", false, "--merged: merge app environment and global environment")
-	format := args.String("format", "exports", "--format: [ exports | envfile | docker-args ] which format to export as)")
+	format := args.String("format", "exports", "--format: [ exports | envfile | docker-args | shell ] which format to export as)")
 	args.Parse(os.Args[2:])
 
 	appName, trailingArgs := config.GetCommonArgs(*global, args.Args())
@@ -27,6 +27,7 @@ func main() {
 
 	env := config.GetConfig(appName, *merged)
 	exportType := configenv.Exports
+	suffix := "\n"
 	switch *format {
 	case "exports":
 		exportType = configenv.Exports
@@ -34,9 +35,12 @@ func main() {
 		exportType = configenv.Envfile
 	case "docker-args":
 		exportType = configenv.DockerArgs
+	case "shell":
+		exportType = configenv.Shell
+		suffix = " "
 	default:
 		common.LogFail(fmt.Sprintf("Unknown export format: %v", *format))
 	}
 	exported := env.Export(exportType)
-	fmt.Println(exported)
+	fmt.Print(exported + suffix)
 }