prompt

#!/usr/bin/env bash

export GIT_PS1_STATESEPARATOR=":"
export GIT_PS1_SHOWDIRTYSTATE=1
export GIT_PS1_SHOWSTASHSTATE=1
export GIT_PS1_SHOWUNTRACKEDFILES=1
export PROMPT_COMMAND="_prompt_command"

_prompt_command() {
    # Save the status before anything else so $? does not get overwritten.
    local EXIT=$?
    local _status _pwd
    local _hl="\[\e[100;97m\]" # dark gray background white foreground
    local _reset="\[\e[0m\]"  # reset all attributes

    if [ "$EXIT" != 0 ]; then
        _status="$EXIT "
    fi

    local proj=${PROJECT_PROMPT:-''}

    _pwd=$(pwd | awk -F/ 'NF <= 3 { printf "%s", $0 } NF > 3 { printf "%s/%s", $(NF-1), $NF  }')

    __git_ps1 "${_status}${proj}" "${_pwd} $ " "%s "

    history -a  # Append new lines to history file
    history -c  # Clear the history list
    history -r  # Append the history file to the history list
}