.bash_prompt

#!/bin/bash

BLACK="\[\033[0;30m\]"
BLACK_B="\[\033[1;30m\]"
RED="\[\033[0;31m\]"
RED_B="\[\033[1;31m\]"
GREEN="\[\033[0;32m\]"
GREEN_B="\[\033[1;32m\]"
YELLOW="\[\033[0;33m\]"
YELLOW_B="\[\033[1;33m\]"
BLUE="\[\033[0;34m\]"
BLUE_B="\[\033[1;34m\]"
PURPLE="\[\033[0;35m\]"
PURPLE_B="\[\033[1;35m\]"
CYAN="\[\033[0;36m\]"
CYAN_B="\[\033[1;36m\]"
WHITE="\[\033[0;37m\]"
WHITE_B="\[\033[1;37m\]"
CLEAR="\[\033[0m\]"

TTY=$(/usr/bin/basename $(/usr/bin/tty))
SSH_WORD="${YELLOW_B}ssh"

#PS1_HOSTNAME=${HOSTNAME}
PS1_HOSTNAME="mbp"

PS1_PWD=$(pwd)

$(echo $TTY| grep '[^0-9]' >/dev/null)
IS_PTY=$?

if [ "`id -u`" -eq 0 ]; then # user is root
	if [ "$SSH_TTY" != "" ]; then # we are SSH'd in
		PS1="${WHITE_B}[${WHITE}${SSH_WORD}${WHITE_B}!${RED}\u${WHITE_B}@${CLEAR}${PS1_HOSTNAME}${WHITE_B}:${CLEAR}\W${WHITE_B}]${RED}#${CLEAR} "
	elif [ "$SSH_TTY" = "" ] && [ "$IS_PTY" -eq 1 ]; then # terminal is a pty
		PS1="${WHITE_B}[${RED}\u${WHITE_B}@${CLEAR}${PS1_HOSTNAME}${WHITE_B}:${CLEAR}\W${WHITE_B}]${RED}#${CLEAR} "
	else # likely a standard virtual terminal or a serial terminal
		PS1="${WHITE_B}[${WHITE}${TTY}${WHITE_B}!${RED}\u${WHITE_B}@${CLEAR}${PS1_HOSTNAME}${WHITE_B}:${CLEAR}\W${WHITE_B}]${RED}#${CLEAR} "
	fi
else # user is not root
	if [ "$SSH_TTY" != "" ]; then # we are SSH'd in
		PS1="${WHITE_B}[${WHITE}${SSH_WORD}${WHITE_B}!${CYAN}\u${WHITE_B}@${CLEAR}${PS1_HOSTNAME}${WHITE_B}:${CLEAR}\W${WHITE_B}]${CYAN}\$${CLEAR} "
	elif [ "$SSH_TTY" = "" ] && [ "$IS_PTY" -eq 1 ]; then # terminal is a pty
		PS1="${WHITE_B}[${CYAN}\u${WHITE_B}@${CLEAR}${PS1_HOSTNAME}${WHITE_B}:${CLEAR}\W${WHITE_B}]${CYAN}\$${CLEAR} "
	else # likely a standard virtual terminal or a serial terminal
		PS1="${WHITE_B}[${WHITE}${TTY}${WHITE_B}!${CYAN}\u${WHITE_B}@${CLEAR}${PS1_HOSTNAME}${WHITE_B}:${CLEAR}\W${WHITE_B}]${CYAN}\$${CLEAR} "
	fi
fi

export PROMPT_COMMAND='pwd'
echo $PS1