tilde expansion go https://github.com/mattn/go-zglob/blob/95345c4e1c0ebc9d16a3284177f09360f4d20fab/zglob.go#L39

gistfile1.txt

	if n == 0 && i == "~" {
			if runtime.GOOS == "windows" {
				i = os.Getenv("USERPROFILE")
			} else {
				i = os.Getenv("HOME")
			}
		}
    
    for n, i := range strings.Split(filepath.ToSlash(pattern), "/") {
		if root == "" && strings.Index(i, "*") != -1 {
			if globmask == "" {
				root = "."
			} else {
				root = filepath.ToSlash(globmask)
			}
		}
		if n == 0 && i == "~" {
			if runtime.GOOS == "windows" {
				i = os.Getenv("USERPROFILE")
			} else {
				i = os.Getenv("HOME")
			}
		}
		if envre.MatchString(i) {
			i = strings.Trim(strings.Trim(os.Getenv(i[1:]), "()"), `"`)
		}

		globmask = filepath.Join(globmask, i)
		if n == 0 {
			if runtime.GOOS == "windows" && filepath.VolumeName(i) != "" {
				globmask = i + "/"
			} else if len(globmask) == 0 {
				globmask = "/"
			}
		}