.bash_prompt.sh

         RED="\[\033[0;31m\]"
      YELLOW="\[\033[0;33m\]"
LIGHT_YELLOW="\[\033[1;33m\]"
       GREEN="\[\033[0;32m\]"
        BLUE="\[\033[0;34m\]"
   LIGHT_RED="\[\033[1;31m\]"
 LIGHT_GREEN="\[\033[1;32m\]"
       WHITE="\[\033[0;37m\]"
 LIGHT_WHITE="\[\033[1;37m\]"
  LIGHT_GRAY="\[\033[0;37m\]"
  COLOR_NONE="\[\e[0m\]"

function parse_git_branch {

  git rev-parse --git-dir &> /dev/null
  git_status="$(git status 2> /dev/null)"
  branch_pattern="^#? ?On branch ([^${IFS}]*)"
  remote_pattern="Your branch is (.*) of"
  diverge_pattern="Your branch and (.*) have diverged"
  untracked_pattern="Untracked files:"
  new_file_pattern="	new file:"
  modified_file_pattern="	modified:"
#  if [[ ! ${git_status}} =~ "working tree clean" ]]; then
#    state="${LIGHT_RED}⚡ "
#  fi
  # add an else if or two here if you want to get more specific
  if [[ ${git_status} =~ ${remote_pattern} ]]; then
    if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
      remote="${LIGHT_YELLOW}^ "
    else
      remote="${LIGHT_YELLOW}v "
    fi
  fi
  if [[ ${git_status} =~ ${diverge_pattern} ]]; then
    remote="${LIGHT_YELLOW}D "
  fi

  if [[ ${git_status} =~ ${untracked_pattern} ]]; then
    state2="${LIGHT_WHITE}+"
  fi
  if [[ ${git_status} =~ ${new_file_pattern} ]]; then
    state3="${LIGHT_YELLOW}+"
  fi
  if [[ ${git_status} =~ ${modified_file_pattern} ]]; then
    state4="${LIGHT_YELLOW}M"
  fi

  if [[ ${git_status} =~ ${branch_pattern} ]]; then
    branch=${BASH_REMATCH[1]}
    echo " ${branch} ${remote}${state}${state2}${state3}${state4}" > /tmp/__git_status__$1
  else
    echo > "/tmp/__git_status__$1"
  fi

  rmdir "/tmp/__git_status_lock__$1"

}

function get_git_prompt() {
         if [ -e "/tmp/__git_status__$$" ]; then cat "/tmp/__git_status__$$" | sed -e "s/acceptance/acc./"; fi
}

function prompt_func() {
    previous_return_value=$?;
    # prompt="${TITLEBAR}$BLUE[$RED\w$GREEN$(__git_ps1)$YELLOW$(git_dirty_flag)$BLUE]$COLOR_NONE "
    # prompt="${TITLEBAR}${BLUE}[${RED}\w${GREEN}$(parse_git_branch)${BLUE}]${COLOR_NONE} "
    # prompt="${TITLEBAR}${BLUE}${LIGHT_WHITE}\w${GREEN}$(parse_git_branch)${BLUE}${COLOR_NONE} "
    # prompt="${TITLEBAR}${BLUE}${LIGHT_WHITE}\w${GREEN}$(get_git_prompt)${BLUE}${COLOR_NONE} "
    prompt="${TITLEBAR}${BLUE}\w${GREEN}$(get_git_prompt)${BLUE}${COLOR_NONE} "

    # git status but with a lock
    if mkdir "/tmp/__git_status_lock__$$" 2>/dev/null; then
#       echo "START GIT STATUS"
        ( parse_git_branch $$ & )
    fi

    PS1="\D{%d/%m %H:%M} ${prompt}$ "
    echo -ne "\033]0;$TAB_TITLE\007"
}

PROMPT_COMMAND=prompt_func