Bash PS1

ps1.bash

# Red if last command failed
function __last_cmd_code_ps1() {
        local red='\033[00;31m' # red

        if [ $1 -ne 0 ]; then
                echo -e "${red}*!!**${1}**!!*${red}"
                return
        fi
}

function prompt() {
        local nc='\033[0m' # no color
        local green='\033[00;32m'
        local purple='\033[01;35m'
        local cyan='\033[00;36m'

        # User@hostname date time directory\nCommand Number $ - me, # - root
        # __git_ps1 - show current git branch; http://blog.jasonmeridth.com/2010/05/22/git-ps1.html
        local ps1=$(echo $cyan'{{'$green'\u@$SHORTNAME \D{%Y-%m-%d} \t '$cyan'\w'$purple'$(__git_ps1 " (%s)" 2>/dev/null)'$cyan'}}')

        PS1=$(echo '$(__last_cmd_code_ps1 $?)'"$ps1""$nc"'\n[\!]\$ ');
}

prompt