Sexy bash script - Cool color flavored

.bashrc

## THIS READS AS user at device in pwd on git_branch

# Sexy Bash Prompt, inspired by "Extravagant Zsh Prompt"
# Screenshot: http://img.gf3.ca/d54942f474256ec26a49893681c49b5a.png
# A big thanks to \amethyst on Freenode

if [[ $COLORTERM = gnome-* && $TERM = xterm ]]  && infocmp gnome-256color >/dev/null 2>&1; then export TERM=gnome-256color
elif [[ $TERM != dumb ]] && infocmp xterm-256color >/dev/null 2>&1; then export TERM=xterm-256color
fi

if tput setaf 1 &> /dev/null; then
    tput sgr0
    if [[ $(tput colors) -ge 256 ]] 2>/dev/null; then
      MAGENTA=$(tput setaf 9)
      ORANGE=$(tput setaf 172)
      WHITE=$(tput setaf 7)
      BLUE=$(tput setaf 27)
      INDIGO=$(tput setaf 39)
      GREEN=$(tput setaf 76)
      YELLOW=$(tput setaf 154)
    else
      MAGENTA=$(tput setaf 5)
      ORANGE=$(tput setaf 4)
      GREEN=$(tput setaf 2)
      PURPLE=$(tput setaf 1)
      WHITE=$(tput setaf 7)
    fi
    BOLD=$(tput bold)
    RESET=$(tput sgr0)
else
    MAGENTA="\033[1;31m"
    ORANGE="\033[1;33m"
    GREEN="\033[1;32m"
    PURPLE="\033[1;35m"
    WHITE="\033[1;37m"
    BOLD=""
    RESET="\033[m"
fi

parse_git_dirty () {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}
parse_git_branch () {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1$(parse_git_dirty)/"
}

PS1="\[${BOLD}${BLUE}\]\u \[$WHITE\]at \[$INDIGO\]\h \[$WHITE\]in \[$GREEN\]\w\[$WHITE\]\$([[ -n \$(git branch 2> /dev/null) ]] && echo \" on \")\[$YELLOW\]\$(parse_git_branch)\[$WHITE\]\n\$ \[$RESET\]"