// +build darwinpackagestorageimport("fmt""os")// GetDir returns grus data directory. Default data directory on// macOS is $HOME/Library.funcGetDir()string{cacheDir:=fmt.Sprintf("%s/%s",os.Getenv("HOME"),"Library")// Grus cache directory is cacheDir/grusgrusCacheDir:=fmt.Sprintf("%s/%s",cacheDir,"grus")returngrusCacheDir}