Auto add identity to ssh-agent

bash.rc

# If logging into mimosa
# start ssh-agent and add key(s)
BASTION_HOST='bastion.example.com'
if [[ ${HOSTNAME} = ${BASTION_HOST} ]]; then

  # start ssh-agent if not running
  if [ -z "$SSH_AUTH_SOCK" ]; then
    eval `/usr/bin/ssh-agent -s`
  fi

  # Add ssh-key if not present
  FINGERPRINT=$(ssh-keygen -lf /l/local/ssh/${USER}/id_ecdsa.pub)
  if [[ `ssh-add -l` == ${FINGERPRINT} ]]; then
    echo 'admin identity aldready added.'
  else
    /usr/bin/ssh-add -t 8h /l/local/ssh/${USER}/id_ecdsa
  fi
fi