Function newIOStreams

internal/ghcmd/cmd.go:362–424

(cfg gh.Config, invokingAgent agents.AgentName)

}

func newIOStreams(cfg gh.Config, invokingAgent agents.AgentName) *iostreams.IOStreams {
	io := iostreams.System()

	if _, ghPromptDisabled := os.LookupEnv("GH_PROMPT_DISABLED"); ghPromptDisabled {
		io.SetNeverPrompt(true)
	} else if prompt := cfg.Prompt(""); prompt.Value == "disabled" {
		io.SetNeverPrompt(true)
	}

	falseyValues := []string{"false", "0", "no", ""}

	accessiblePrompterValue, accessiblePrompterIsSet := os.LookupEnv("GH_ACCESSIBLE_PROMPTER")
	if accessiblePrompterIsSet {
		if !slices.Contains(falseyValues, accessiblePrompterValue) {
			io.SetAccessiblePrompterEnabled(true)
		}
	} else if prompt := cfg.AccessiblePrompter(""); prompt.Value == "enabled" {
		io.SetAccessiblePrompterEnabled(true)
	}

	experimentalPrompterValue, experimentalPrompterIsSet := os.LookupEnv("GH_EXPERIMENTAL_PROMPTER")
	if experimentalPrompterIsSet {
		if !slices.Contains(falseyValues, experimentalPrompterValue) {
			io.SetExperimentalPrompterEnabled(true)
		}
	}

	ghSpinnerDisabledValue, ghSpinnerDisabledIsSet := os.LookupEnv("GH_SPINNER_DISABLED")
	if ghSpinnerDisabledIsSet {
		if !slices.Contains(falseyValues, ghSpinnerDisabledValue) {
			io.SetSpinnerDisabled(true)
		}
	} else if invokingAgent != "" {
		io.SetSpinnerDisabled(true)
	} else if spinner := cfg.Spinner(""); spinner.Value == "disabled" {
		io.SetSpinnerDisabled(true)
	}

	// Pager precedence
	// 1. GH_PAGER
	// 2. pager from config
	// 3. PAGER
	if ghPager, ghPagerExists := os.LookupEnv("GH_PAGER"); ghPagerExists {
		io.SetPager(ghPager)
	} else if pager := cfg.Pager(""); pager.Value != "" {
		io.SetPager(pager.Value)
	}

	if ghColorLabels, ghColorLabelsExists := os.LookupEnv("GH_COLOR_LABELS"); ghColorLabelsExists {
		switch ghColorLabels {
		case "", "0", "false", "no":
			io.SetColorLabels(false)
		default:
			io.SetColorLabels(true)
		}
	} else if prompt := cfg.ColorLabels(""); prompt.Value == "enabled" {
		io.SetColorLabels(true)
	}