.bashrc

# ---------------------------- SSH agent settings

source ~/.git-completion.bash
env=~/.ssh/agent.env

agent_load_env () { test -f "$env" && . "$env" >| /dev/null ; }

agent_start () {
    (umask 077; ssh-agent >| "$env")
    . "$env" >| /dev/null ; }

agent_load_env

# agent_run_state: 0=agent running w/ key; 1=agent w/o key; 2= agent not running
agent_run_state=$(ssh-add -l >| /dev/null 2>&1; echo $?)

if [ ! "$SSH_AUTH_SOCK" ] || [ $agent_run_state = 2 ]; then
    agent_start
    ssh-add
elif [ "$SSH_AUTH_SOCK" ] && [ $agent_run_state = 1 ]; then
    ssh-add
fi

unset env

# ---------------------------- Prompt settings 
# get current status of git repo
function parse_git_dirty {
	status=`git status 2>&1 | tee`
	dirty=`echo -n "${status}" 2> /dev/null | grep "modified:" &> /dev/null; echo "$?"`
	untracked=`echo -n "${status}" 2> /dev/null | grep "Untracked files" &> /dev/null; echo "$?"`
	ahead=`echo -n "${status}" 2> /dev/null | grep "Your branch is ahead of" &> /dev/null; echo "$?"`
	newfile=`echo -n "${status}" 2> /dev/null | grep "new file:" &> /dev/null; echo "$?"`
	renamed=`echo -n "${status}" 2> /dev/null | grep "renamed:" &> /dev/null; echo "$?"`
	deleted=`echo -n "${status}" 2> /dev/null | grep "deleted:" &> /dev/null; echo "$?"`
	bits=''
	if [ "${renamed}" == "0" ]; then
		bits=">${bits}"
	fi
	if [ "${ahead}" == "0" ]; then
		bits="*${bits}"
	fi
	if [ "${newfile}" == "0" ]; then
		bits="+${bits}"
	fi
	if [ "${untracked}" == "0" ]; then
		bits="?${bits}"
	fi
	if [ "${deleted}" == "0" ]; then
		bits="x${bits}"
	fi
	if [ "${dirty}" == "0" ]; then
		bits="!${bits}"
	fi
	if [ ! "${bits}" == "" ]; then
		echo " ${bits}"
	else
		echo ""
	fi
}

COLOR_RED="\[\033[0;31m\]"
COLOR_VIOLET="\[\033[0;35m\]"
COLOR_GREEN="\[\033[1;32m\]"
COLOR_BLUE="\[\033[0;34m\]"
COLOR_CYAN="\[\033[0;36m\]"
COLOR_WHITE="\[\033[0;37m\]"
COLOR_RESET="\[\033[0m\]"

function get_status_color {
  if [ "${1}" == "" ]; then
    echo $COLOR_GREEN
  else
    echo $COLOR_RED
  fi
}

# get current branch in git repo
function parse_git_branch {
	BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
	if [ ! "${BRANCH}" == "" ]
	then
		STAT=`parse_git_dirty`
        COLOR=`get_status_color ${STAT}`
		PS1="${PS1}${COLOR} <${BRANCH}${STAT}> "
	fi
}

function set_prompt {
    PS1="\n$COLOR_WHITE\u $COLOR_VIOLET\h: $COLOR_CYAN\w"
    parse_git_branch
    PS1="${PS1}\n$COLOR_BLUE>$COLOR_RESET "
}

PROMPT_COMMAND=set_prompt

# ---------------------------- Utility Functions

AWS_PEM=~/.ssh/groupworks_aws_dev.pem
AWS_USER=ec2-user

function aws_ssh {
	ssh -i $AWS_PEM $AWS_USER@$1
}