Bash profile for Mac OS X

.bash_profile

#!/usr/bin/env bash

# Start SSH agent
SSH_ENV="$HOME/.ssh/environment"

function start_agent {
  echo "Initialising new SSH agent..."
  /usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
  echo succeeded
  chmod 600 "${SSH_ENV}"
  . "${SSH_ENV}" > /dev/null
  # Add SSH keys
  ssh-add
}

# Source SSH settings, if applicable
if [ -f "${SSH_ENV}" ]; then
  . "${SSH_ENV}" > /dev/null
  #ps ${SSH_AGENT_PID} doesn't work under cywgin
  ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
    start_agent;
  }
else
  start_agent;
fi

# Aliases
alias gbh='history | grep'

# Make grep highlight matches by default
export GREP_OPTIONS='--color=always'

# Enable colors in Bash
export CLICOLOR=1
export LSCOLORS=ExFxBxDxCxegedabagacad

# Enable Bash completion
[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion

# Enable AWS CLI auto-completion
complete -C $(which aws_completer) aws

# Git prompt
GIT_PROMPT_ONLY_IN_REPO=1
source ~/.bash-git-prompt/gitprompt.sh

export PATH="/usr/local/bin:$PATH"

# python virtualenv with default venv activation
WORKON_HOME=~/venv
source virtualenvwrapper.sh