Mac bash profile

.bash_profiile

#set -x
##
# Your previous /Users/Matthew/.bash_profile file was backed up as /Users/Matthew/.bash_profile.macports-saved_2013-04-01_at_23:07:38
##

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


# MacPorts Installer addition on 2013-04-01_at_23:07:38: adding an appropriate PATH variable for use with MacPorts.
export PATH=/opt/local/bin:/opt/local/sbin:/Users/Matthew/Documents/Bash_scripts:/Applications/circos-0.66/bin/:$PATH
# Finished adapting your PATH environment variable for use with MacPorts.

export PERL5LIB="$HOME/SourceCache/bioperl-live:$PERL5LIB"


source ~/.profile
#source ~/.bashrc
# Setting PATH for Python 3.3
# The orginal version is saved in .bash_profile.pysave
PATH="/Library/Frameworks/Python.framework/Versions/3.3/bin:${PATH}"
PATH=$PATH:/Users/Matthew/home/bin
export PATH

# If not running interactively, don't do anything
[ -z "$PS1" ] && return
# don't put duplicate lines in the history. See bash(1) for more options
export HISTCONTROL=ignoredups
#alias rm='echo "rm is disabled, use trash or /bin/rm instead/."'
export LS_OPTS='--cotor=auto'
alias ls='ls ${LS_OPTS}'
alias ls='ls -l -h'
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'
alias diskspace="du -S | sort -n -r |more"
# Shows even more permissions
alias lsd="ls -alF | grep /$"
alias ll='ls -alh'
#Shows hidden files such as bashrc
alias la='ls -A'
#shows permissions
alias l='ls -CFlh'
# Sorts files by size
alias sortbysize="ls -s | sort -n"
alias psgrep="ps aux | grep"
alias please="sudo $(history -p \!\!)"
alias RELOAD=". ~/.bash_profile"
# COLORS!!
export TERM=xterm-color
export GREP_OPTIONS='--color=auto' GREP_COLOR='1;32'
export CLICOLOR=1
export LSCOLORS=ExFxCxDxBxegedabagacad
export COLOR_NC='\e[0m' # No Color
export COLOR_WHITE='\e[1;37m'
export COLOR_BLACK='\e[0;30m'
export COLOR_BLUE='\e[0;34m'
export COLOR_LIGHT_BLUE='\e[1;34m'
export COLOR_GREEN='\e[0;32m'
export COLOR_LIGHT_GREEN='\e[1;32m'
export COLOR_CYAN='\e[0;36m'
export COLOR_LIGHT_CYAN='\e[1;36m'
export COLOR_RED='\e[0;31m'
export COLOR_LIGHT_RED='\e[1;31m'
export COLOR_PURPLE='\e[0;35m'
export COLOR_LIGHT_PURPLE='\e[1;35m'
export COLOR_BROWN='\e[0;33m'
export COLOR_YELLOW='\e[1;33m'
export COLOR_GRAY='\e[0;30m'
export COLOR_LIGHT_GRAY='\e[0;37m'

export UC=$COLOR_YELLOW               # user's color
[ $UID -eq "0" ] && export UC=$COLOR_RED   # root's color
#export PS1="\[${UC}\]\u@\h: \[${COLOR_GREEN}\]\$(vcprompt)| \[${COLOR_LIGHT_CYAN}\]\w >"


export PS1="$(gitmode -s)"
#export PS1="$TITLEBAR\n\[${UC}\]\u \[${COLOR_LIGHT_BLUE}\]\${PWD} \[${COLOR_BLACK}\]\$(vcprompt) \n\[${COLOR_LIGHT_GREEN}\]→\[${COLOR_NC}\] "




[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*

# added by Anaconda 1.8.0 installer
#export PATH="//anaconda/bin:$PATH"

# Docker
$(boot2docker shellinit 2> /dev/null)
export DOCKER_TLS_VERIFY=1
export DOCKER_CERT_PATH=/Users/Matthew/.boot2docker/certs/boot2docker-vm
if [ -f /usr/local/bin/screenfetch ]; then screenfetch; fi

# G I T / T W I G
[[ -s ~/.twig/twig-completion.bash ]] && source ~/.twig/twig-completion.bash

# PYENV
PYTHONPATH=/Users/Matthew/.pyenv/versions/matts_2.7.8/lib/python2.7/site-packages
export PYENV_ROOT="$HOME/.pyenv"
export PATH=$PYENV_ROOT/bin:$PATH
eval "$(pyenv init -)"
eval export PYENV_VIRTUALENV_INIT=1;
_pyenv_virtualenv_hook() {
  if [ -n "$PYENV_ACTIVATE" ]; then
    if [ "$(pyenv version-name)" = "system" ]; then
      pyenv deactivate --no-error --verbose
      return 0
    fi
    if [ "$PYENV_ACTIVATE" != "$(pyenv prefix)" ]; then
      if pyenv deactivate --no-error --verbose; then
        pyenv activate --no-error --verbose || unset PYENV_DEACTIVATE
      else
        pyenv activate --no-error --verbose
      fi
    fi
  else
    if [ -z "$VIRTUAL_ENV" ] && [ "$PYENV_DEACTIVATE" != "$(pyenv prefix)" ]; then
      pyenv activate --no-error --verbose
    fi
  fi
};
if ! [[ "$PROMPT_COMMAND" =~ _pyenv_virtualenv_hook ]]; then
  PROMPT_COMMAND="_pyenv_virtualenv_hook;$PROMPT_COMMAND";
fi

gitmode

#!/bin/bash


export GITMODE=$HOME/.gitmode
HELP=0
UNSET=0
START=0
if [[ $# > 0 ]]
then
    key="$1"
    case $key in
	-h|--help)
	HELP=1
	;;

	-u|--unset)
	UNSET=1
	;;

	-s|--start)
	START=1
	;;

    esac
    shift
fi

if [ $HELP == 1 ];then
    echo "Usage:"
    echo "     gitmode [-s|--start] [-u|unset]"
    echo "Options:"
    echo "  -s|--start  Echo a PS1 which will show version control information in terminal prompt"
    echo "  -u|--unset  Echo a PS1 which will NOT show version control information in terminal prompt"
    exit 2
fi


gitmode="\[${UC}\]\u@\h \[${COLOR_LIGHT_GRAY}\]\$(vcprompt)\[${COLOR_LIGHT_GREEN}\]\$(vcprompt -f %a)\[${COLOR_RED}\]\$(vcprompt -f %m) \[${COLOR_LIGHT_CYAN}\]\w>"
speedmode="\[${UC}\]\u@\h \[${COLOR_LIGHT_CYAN}\]\w>"


if [[ $UNSET == 1 ]]; then
    if [[ -e $GITMODE ]]; then
	rm $GITMODE
    fi
elif [[ $START == 1 ]]; then
    if [ ! -e $GITMODE ]
    then
	touch $GITMODE
    fi
fi

if [[ -e $GITMODE ]]; then
    #echo gitmode active
    echo $gitmode
elif [[ ! -e $GITMODE ]]; then
    #echo gitmode inactive
    echo $speedmode
fi

Terminal prompt VCS information can be toggled by using either:

export PS1="$(gitmode --start)" # Start showing version control information in terminal
#export PS1="$(gitmode --unset)" # Do NOT show version control information in terminal

The gitmode script depends upon vcprompt script.
What do you think @moorer?