return empty byte slice if the most recent commit hash cannot be retrieved via ssh
return empty byte slice if the most recent commit hash cannot be retrieved via ssh

kgrvamsi/goship,cazacugmihai/goship,kgrvamsi/goship,kgrvamsi/goship,gengo/goship,gengo/goship,gengo/goship,cazacugmihai/goship,cazacugmihai/goship