My bash prompt. Inelegant code, yet elegant result.

.bash_profile

# Colorizing. Source: http://systhread.net/texts/200703bashish.php.

DULL=0
BRIGHT=1

FG_BLACK=30
FG_RED=31
FG_GREEN=32
FG_YELLOW=33
FG_BLUE=34
FG_VIOLET=35
FG_CYAN=36
FG_WHITE=37

FG_NULL=00

BG_BLACK=40
BG_RED=41
BG_GREEN=42
BG_YELLOW=43
BG_BLUE=44
BG_VIOLET=45
BG_CYAN=46
BG_WHITE=47

BG_NULL=00

##
# ANSI Escape Commands
##
ESC="\033"
NORMAL="\[$ESC[m\]"
RESET="\[$ESC[${DULL};${FG_WHITE};${BG_NULL}m\]"

##
# Shortcuts for Colored Text ( Bright and FG Only )
##

# DULL TEXT

BLACK="\[$ESC[${DULL};${FG_BLACK}m\]"
RED="\[$ESC[${DULL};${FG_RED}m\]"
GREEN="\[$ESC[${DULL};${FG_GREEN}m\]"
YELLOW="\[$ESC[${DULL};${FG_YELLOW}m\]"
BLUE="\[$ESC[${DULL};${FG_BLUE}m\]"
VIOLET="\[$ESC[${DULL};${FG_VIOLET}m\]"
CYAN="\[$ESC[${DULL};${FG_CYAN}m\]"
WHITE="\[$ESC[${DULL};${FG_WHITE}m\]"

# BRIGHT TEXT
BRIGHT_BLACK="\[$ESC[${BRIGHT};${FG_BLACK}m\]"
BRIGHT_RED="\[$ESC[${BRIGHT};${FG_RED}m\]"
BRIGHT_GREEN="\[$ESC[${BRIGHT};${FG_GREEN}m\]"
BRIGHT_YELLOW="\[$ESC[${BRIGHT};${FG_YELLOW}m\]"
BRIGHT_BLUE="\[$ESC[${BRIGHT};${FG_BLUE}m\]"
BRIGHT_VIOLET="\[$ESC[${BRIGHT};${FG_VIOLET}m\]"
BRIGHT_CYAN="\[$ESC[${BRIGHT};${FG_CYAN}m\]"
BRIGHT_WHITE="\[$ESC[${BRIGHT};${FG_WHITE}m\]"

# REV TEXT as an example
REV_CYAN="\[$ESC[${DULL};${BG_WHITE};${BG_CYAN}m\]"
REV_RED="\[$ESC[${DULL};${FG_YELLOW}; ${BG_RED}m\]"

PROMPT_COMMAND='export ERR=$?'


#-----------------------------------------------------------------------------
# Prompt sourcettings.

# Based on: http://www.jonmaddox.com/2008/03/13/show-your-git-branch-name-in-your-prompt/
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1) /'
}

# Based on: http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html.
function elite {
  local GRAY="\[\033[1;30m\]"
  local NO_COLOUR="\[\033[0m\]"

  case $TERM in
      xterm*|rxvt*)
          local TITLEBAR='\[\033]0;\u@\h:\w\007\]'
          ;;
      *)
          local TITLEBAR=""
          ;;
  esac

  local temp=$(tty)
  local GRAD1=${temp:5}
  PS1="$GRAY--( $CYAN\w $RED\$(parse_git_branch)$GRAY)--$NO_COLOUR " 
  PS2=""
}
elite