func()

in internal/aeintegrate/aeintegrate.go [177:240]

• 56 lines of code
• 16 McCabe index (conditional complexity)

func (p *App) envAppYaml() (string, error) {
	if p.tempAppYaml != "" {
		return p.tempAppYaml, nil
	}

	base := p.appYaml()
	tmp := "aeintegrate." + base

	if len(p.Env) == 0 {
		err := os.Symlink(filepath.Join(p.Dir, base), filepath.Join(p.Dir, tmp))
		if err != nil {
			return "", err
		}
		p.tempAppYaml = tmp
		return p.tempAppYaml, nil
	}

	b, err := os.ReadFile(filepath.Join(p.Dir, base))
	if err != nil {
		return "", err
	}
	var c yaml.MapSlice
	if err := yaml.Unmarshal(b, &c); err != nil {
		return "", err
	}

	for _, e := range c {
		k, ok := e.Key.(string)
		if !ok || k != "env_variables" {
			continue
		}

		yamlVals, ok := e.Value.(yaml.MapSlice)
		if !ok {
			return "", fmt.Errorf("expected MapSlice for env_variables")
		}

	ENTRY:
		for mapKey, newVal := range p.Env {
			for i, kv := range yamlVals {
				yamlKey, ok := kv.Key.(string)
				if !ok {
					return "", fmt.Errorf("expected string for env_variables/%#v", kv.Key)
				}
				if yamlKey == mapKey {
					yamlVals[i].Value = newVal
					break ENTRY
				}
			}
			return "", fmt.Errorf("could not find key %s in env_variables", mapKey)
		}
	}

	b, err = yaml.Marshal(c)
	if err != nil {
		return "", err
	}
	if err := os.WriteFile(filepath.Join(p.Dir, tmp), b, 0755); err != nil {
		return "", err
	}

	p.tempAppYaml = tmp
	return p.tempAppYaml, nil
}