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path: root/internal/path_util/path_util.go
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package path_util

import (
	"os"
	"os/user"
	"strings"
)

func ReplaceTildeWithHome(path string) (string, error) {
	if strings.HasPrefix(path, "~") {
		firstSlash := strings.Index(path, "/")
		if firstSlash == 1 {
			home, err := os.UserHomeDir()
			if err != nil {
				return path, err
			}
			return strings.Replace(path, "~", home, 1), nil
		} else if firstSlash > 1 {
			username := path[1:firstSlash]
			userAccount, err := user.Lookup(username)
			if err != nil {
				return path, err
			}
			return strings.Replace(path, path[:firstSlash], userAccount.HomeDir, 1), nil
		}
	}

	return path, nil
}