Initial QSfera import

Server/vendor/github.com/go-resty/resty/v2/shellescape/shellescape.go

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+// Copyright (c) 2015-present Jeevanandam M (jeeva@myjeeva.com)
+// 2024 Ahuigo (https://github.com/ahuigo)
+// All rights reserved.
+// resty source code and usage is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+/*
+Package shellescape provides the methods to escape arbitrary
+strings for a safe use as command line arguments in the most common
+POSIX shells.
+
+The original Python package which this work was inspired by can be found
+at https://pypi.python.org/pypi/shellescape.
+*/
+package shellescape
+
+import (
+	"regexp"
+	"strings"
+)
+
+var pattern *regexp.Regexp
+
+func init() {
+	pattern = regexp.MustCompile(`[^\w@%+=:,./-]`)
+}
+
+// Quote method returns a shell-escaped version of the string. The returned value
+// can safely be used as one token in a shell command line.
+func Quote(s string) string {
+	if len(s) == 0 {
+		return "''"
+	}
+
+	if pattern.MatchString(s) {
+		return "'" + strings.ReplaceAll(s, "'", "'\"'\"'") + "'"
+	}
+
+	return s
+}