func initEnv()

in tool/cmd/main.go [98:135]

27 lines of code
9 McCabe index (conditional complexity)


func initEnv() error {
	util.Assert(len(os.Args) >= 2, "no command specified")

	// Determine the run phase
	switch {
	case strings.HasSuffix(os.Args[1], SubcommandGo):
		// otel go build?
		util.SetRunPhase(util.PPreprocess)
	case os.Args[1] == SubcommandRemix:
		// otel remix?
		util.SetRunPhase(util.PInstrument)
	default:
		// do nothing
	}

	// Create temp build directory
	err := initTempDir()
	if err != nil {
		return err
	}

	// Create log files under temp build directory
	if util.InPreprocess() {
		err := initLog()
		if err != nil {
			return err
		}
	}

	// Prepare shared configuration
	if util.InPreprocess() || util.InInstrument() {
		err = config.InitConfig()
		if err != nil {
			return err
		}
	}
	return nil
}