// TenetCfgPathRecusive looks for a config file at cfgPath. If the config
// file name is equal to DefaultTenetCfgPath, the func recursively searches the
// parent directory until a file with that name is found. In the case that
// none is found "" is retuned.
func TenetCfgPathRecusive(cfgPath string) (string, error) {
var err error
cfgPath, err = filepath.Abs(cfgPath)
if err != nil {
return "", err
}
if _, err := os.Stat(cfgPath); os.IsNotExist(err) {
dir, file := path.Split(cfgPath)
if file == DefaultTenetCfgPath {
if dir == "/" {
// we've reached the end of the line. Fall back to default:
usr, err := user.Current()
if err != nil {
return "", err
}
lHome, err := util.LingoHome()
if err != nil {
return "", errors.Trace(err)
}
defaultTenets := path.Join(usr.HomeDir, lHome, DefaultTenetCfgPath)
if _, err := os.Stat(defaultTenets); err != nil {
return "", err
}
return defaultTenets, nil
}
parent := path.Dir(path.Dir(dir))
return TenetCfgPathRecusive(parent + "/" + DefaultTenetCfgPath)
}
return "", err
}
return cfgPath, nil
}
func (b *Binary) binPath() (string, error) {
if dir := os.Getenv("LINGO_BIN"); dir != "" {
return filepath.Join(dir, b.Name), nil
}
lHome, err := util.LingoHome()
if err != nil {
return "", errors.Trace(err)
}
return filepath.Join(lHome, "tenets", b.Name), nil
}