my .bashrc with custom prompt

.bashrc heart prompt

### Add RVM to PATH for scripting
PATH=$PATH:$HOME/.rvm/bin

### Add bin to my PATH
PATH=$HOME/bin:$PATH

### Added by the Heroku Toolbelt
export PATH="/usr/local/heroku/bin:$PATH"

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

### Adds Postgres to Path
export PATH="/Applications/Postgres.app/Contents/MacOS/bin:$PATH"

### Adds color to ri
alias ri='ri -f ansi -T'

### Add Git Status to bash prompt
function prompt_command {
    exitstatus="$?"

    BOLD="\[\e[1m\]"
    RED="\[\e[0;31m\]"
    REDBG="\[\e[41m\]"
    BLACKBG="\[\e[40m\]"
    GREEN="\[\e[32;1m\]"
    BLUE="\[\e[34;1m\]"
    PURPLE="\[\e[35;1m\]"
    CYAN="\[\e[36;1m\]"
    OFF="\[\033[m\]"
    DARK="\[\033[1;30m\]"

    time=`date +"%H:%M"`

    branch=`git symbolic-ref HEAD 2> /dev/null | cut -f3 -d/`
    if [ ! -z ${branch} ]; then
      if [ ${branch} == "master" ]; then
        branch=`echo " ${REDBG} ${branch} ${BLACKBG}"`
      else
        branch=`echo " ${CYAN}${branch}"`
      fi
    fi
    changes=`git status -s 2> /dev/null | \
             wc -l | sed -e 's/ *//'`
    if [ ${changes} -eq 0 ]; then
      dirty=""
    else
      dirty="${RED}*${OFF}"
    fi
    
### Add Heart Prompt
    prompt="${GREEN}♥ ${DARK}${time} \
\w${OFF}${BOLD}${branch}${OFF}${dirty}"

    if [ ${exitstatus} -eq 0 ]; then
       PS1="${prompt} ${GREEN}\\$ ${OFF}"
    else
       PS1="${prompt} ${RED}\\$ ${OFF}"
    fi

    PS2="${BOLD}>${OFF} "
}

PROMPT_COMMAND=prompt_command