Some bash alias trickery for firing up ssh-agent and adding your keys on a mac

.bash_profile

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi

PATH=$PATH:$HOME/bin

# source ~/.profile, if available
if [[ -r ~/.profile ]]; then
  . ~/.profile
fi

agent_started=0
if ! env | grep -q SSH_AGENT_PID >/dev/null; then
  echo "Starting ssh agent"
  eval $(ssh-agent -s)
  agent_started=1
fi

function deploy() {
  if ! ssh-add -l >/dev/null 2>&-; then
    ssh-add ~/.ssh/id_rsa
  fi
  /path/to/deploy "$@"
}
export -f deploy

function ssh() {
  if ! ssh-add -l >/dev/null 2>&-; then
    ssh-add ~/.ssh/id_rsa
  fi
  /usr/bin/ssh "$@"
}
export -f ssh

function git() {
  if ! ssh-add -l >/dev/null 2>&-; then
    ssh-add ~/.ssh/id_rsa
  fi
  /usr/bin/git "$@"
}
export -f git