Method writeReleaseYaml

src/java/finalize/finalize.go:256–297

writeReleaseYaml writes the release configuration to a YAML file

(container containers.Container)

// writeReleaseYaml writes the release configuration to a YAML file
func (f *Finalizer) writeReleaseYaml(container containers.Container) error {
	f.Log.BeginStep("Writing release configuration")

	containerCommand, err := container.Release()
	if err != nil {
		return fmt.Errorf("failed to get container command: %w", err)
	}

	var fullCommand string
	if f.JRE != nil {
		memCalcCmd := f.JRE.MemoryCalculatorCommand()
		if memCalcCmd != "" {
			fullCommand = memCalcCmd + " && " + containerCommand
			f.Log.Debug("Prepended memory calculator command to startup")
		} else {
			fullCommand = containerCommand
		}
	} else {
		fullCommand = containerCommand
	}

	tmpDir := filepath.Join(f.Stager.BuildDir(), "tmp")
	if err := os.MkdirAll(tmpDir, 0755); err != nil {
		return fmt.Errorf("failed to create tmp directory: %w", err)
	}

	releaseYamlPath := filepath.Join(tmpDir, "java-buildpack-release-step.yml")
	escapedCommand := strings.ReplaceAll(fullCommand, "'", "''")
	yamlContent := fmt.Sprintf(`---
default_process_types:
  web: '%s'
  task: '%s'
`, escapedCommand, escapedCommand)

	if err := os.WriteFile(releaseYamlPath, []byte(yamlContent), 0644); err != nil {
		return fmt.Errorf("failed to write release YAML: %w", err)
	}

	f.Log.Info("Release YAML written: %s", releaseYamlPath)
	f.Log.Info("Web process command: %s", fullCommand)
	return nil
}