Method createAppSetFromContextAndManifest

cf/commands/application/push.go:595–649

(contextApp models.AppParams, manifestApps []models.AppParams)

}

func (cmd *Push) createAppSetFromContextAndManifest(contextApp models.AppParams, manifestApps []models.AppParams) ([]models.AppParams, error) {
	var err error
	var apps []models.AppParams

	switch len(manifestApps) {
	case 0:
		if contextApp.Name == nil {
			return nil, errors.New(
				T("Incorrect Usage. The push command requires an app name. The app name can be supplied as an argument or with a manifest.yml file.") +
					"\n\n" +
					commandregistry.Commands.CommandUsage("push"),
			)
		}
		err = addApp(&apps, contextApp)
	case 1:
		err = checkCombinedDockerProperties(contextApp, manifestApps[0])
		if err != nil {
			return nil, err
		}

		manifestApps[0].Merge(&contextApp)
		err = addApp(&apps, manifestApps[0])
	default:
		selectedAppName := contextApp.Name
		contextApp.Name = nil

		if !contextApp.IsEmpty() {
			return nil, errors.New(T("Incorrect Usage. Command line flags (except -f) cannot be applied when pushing multiple apps from a manifest file."))
		}

		if selectedAppName != nil {
			var foundApp bool
			for _, appParams := range manifestApps {
				if appParams.Name != nil && *appParams.Name == *selectedAppName {
					foundApp = true
					err = addApp(&apps, appParams)
				}
			}

			if !foundApp {
				err = errors.New(T("Could not find app named '{{.AppName}}' in manifest", map[string]interface{}{"AppName": *selectedAppName}))
			}
		} else {
			for _, manifestApp := range manifestApps {
				err = addApp(&apps, manifestApp)
			}
		}
	}

	if err != nil {
		return nil, errors.New(T("Error: {{.Err}}", map[string]interface{}{"Err": err.Error()}))
	}

	return apps, nil
}

func checkCombinedDockerProperties(flagContext models.AppParams, manifestApp models.AppParams) error {
	if manifestApp.DockerUsername != nil || flagContext.DockerUsername != nil {