.bash_prompt

#!/bin/bash

GIT_PS1_SHOWDIRTYSTATE=1
GIT_PS1_SHOWSTASHSTATE=1

case "$TERM" in
    "rxvt-unicode-256color" | "screen-256color" | "xterm-color" | "xterm-256color") color_prompt=yes;;
esac

short_username=`
sed -e 's/wyatt/w/' \
    -e 's/wanderson/wa/' \
    <<< $USER`

if [ "$short_username" == "$USER" ]; then
    user_color='1;31' # red for non-wyatt user
else
    user_color='0;37' # light gray
fi


red_flag='0'
if [ "$USER" == "root" ]; then
    red_flag='37;41'
fi

checksum=$(hostname | cksum | cut -c1-3)
if [ $color_prompt ]; then
    host_color="38;5;$((16 + $((checksum % 107)) * 2))";
else
    host_color="1;$((checksum % 6))";
fi

declare -x PS1='\[\e[${user_color}m\]$short_username\[\e[0m\]@\[\e[${host_color}m\]\h\[\e[0m\]:\[\e[${red_flag}m\]\W\[\e[0m\]\$$(__git_ps1 " (%s)") '