colors.go

/*
 * Copyright (c) 2021-present Fabien Potencier <fabien@symfony.com>
 *
 * This file is part of Symfony CLI project
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package terminal

import (
	"os"
	"strings"
)

func HasPosixColorSupport() bool {
	return os.Getenv("ANSICON") != "" || os.Getenv("ConEmuANSI") == "ON" || strings.HasPrefix(os.Getenv("TERM"), "xterm") || os.Getenv("TERM_PROGRAM") == "Hyper" || os.Getenv("SHLVL") != ""
}