.bash_prompt

# Based on work by woods https://gist.github.com/31967

# The various escape codes that we can use to color our prompt.
        RED="\[\033[0;31m\]"
     YELLOW="\[\033[0;33m\]"
      GREEN="\[\033[0;32m\]"
       BLUE="\[\033[0;34m\]"
  LIGHT_RED="\[\033[0;31m\]"
LIGHT_GREEN="\[\033[0;32m\]"
      WHITE="\[\033[0;37m\]"
 LIGHT_GRAY="\[\033[0;37m\]"
 COLOR_NONE="\[\e[0m\]"

# Return the prompt symbol to use, colorized based on the return value of the
# previous command.
function set_prompt_symbol () {
  if test $1 -eq 0 ; then
      PROMPT_SYMBOL="${GREEN}\u${COLOR_NONE}"
  else
      PROMPT_SYMBOL="${RED}\u${COLOR_NONE}"
  fi
}

# Determine active Python virtualenv details.
function _set_env () {
  if [[ $TERM == "screen" ]]; then
    SCREEN="$(echo $STY | cut -d "." -f 2)"
    DIR_ENV="${RED}[screen: $SCREEN] "
  else
    if test -z "$VIRTUAL_ENV" ; then
        DIR_ENV=""
    else
        DIR_ENV="${BLUE}[`basename \"$VIRTUAL_ENV\"`]${COLOR_NONE} "
    fi
  fi
}

function _ruby_version() {
  echo "$(tput setaf 0)[$(ruby --version | cut -d' ' -f1,2)]" # use to be 8
}

# Tell bash to execute this function just before displaying its prompt.
GIT_PS1_SHOWDIRTYSTATE=1
GIT_PS1_SHOWUNTRACKEDFILES=1
GIT_PS1_SHOWCOLORHINTS=1
GIT_PS1_SHOWUPSTREAM="auto"
export PROMPT_COMMAND='set_prompt_symbol $?; _set_env; history -a; __git_ps1 "${PROMPT_SYMBOL} ${COLOR_NONE}in ${DIR_ENV}$(tput setaf 05)\h: ${BLUE}\w${COLOR_NONE}" " $(_ruby_version)${COLOR_NONE} \n$ "'