git_prompt.bash

function parse_git_branch {
  local DIRTY=""
  git diff --quiet HEAD &>/dev/null
  case $? in
     129)
       # not a git repo, don't waste a second git command
       return $?
       ;;
     1)
       DIRTY="⚡"
       ;;
  esac
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1${DIRTY}]/"
}

function proml {
  local        BLUE="\[\033[0;34m\]"
  local         RED="\[\033[0;31m\]"
  local   LIGHT_RED="\[\033[1;31m\]"
  local       GREEN="\[\033[0;32m\]"
  local LIGHT_GREEN="\[\033[1;32m\]"
  local       WHITE="\[\033[1;37m\]"
  local  LIGHT_GRAY="\[\033[0;37m\]"
  local    TITLEBAR=""
  case $TERM in
    xterm*)
    TITLEBAR='\[\033]0;\w\007\]'
    ;;
  esac

PS1="${TITLEBAR}\
${LIGHT_GRAY}\w${GREEN} \$(parse_git_branch)\
 ${WHITE}\$ ${LIGHT_GRAY}"
PS2='> '
PS4='+ '
}
proml