prompt.sh

function setps1 {
  export GIT_PS1_SHOWDIRTYSTATE=true
  export GIT_PS1_SHOWUNTRACKEDFILES=true

  # "(root) " in red if root
  # Hostname (if SSH_TTY is set)
  # Directory
  # Git branch, if in git and available
  # Last command exit status
  # $ times shlvl, or # if root
  export PS1='\
$(s=$?; [ $UID -eq 0 ] && echo -e "\[\033[1;31m\](\u) \[\033[0;37m\]"; exit $s)\
\[\033[0;32m\]${SSH_TTY:+"\h "}\
\[\033[0;36m\]\W\[\033[0m\]\
$(s=$?; declare -F __git_ps1 >/dev/null && __git_ps1 " \[\033[1;32m\]%s\[\033[0m\]"; exit $s)\
 \[\033[1;31m\]${?/#0}\
\[\033[0;33m\]$(s=$?; seq -f "\$" -s "" 1 $SHLVL; exit $s)\[\033[0;0m\] \
'
}
setps1