...
#-----------------------------------
# git in prompt
#-----------------------------------
        RED="\[\033[0;31m\]"
     YELLOW="\[\033[0;33m\]"
      GREEN="\[\033[0;32m\]"
       BLUE="\[\033[0;34m\]"
  LIGHT_RED="\[\033[1;31m\]"
LIGHT_GREEN="\[\033[1;32m\]"
      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"
 
        if [[ ! ${git_status} =~ "working directory clean" ]]; then
                state="${RED}?"
        else
                state="${GREEN}?"
        fi
 
        # add an else if or two here if you want to get more specific
        if [[ ${git_status} =~ ${remote_pattern} ]]; then
                if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
                        remote="${YELLOW}?"
                else
                        remote="${YELLOW}?"
                fi
        fi
 
        if [[ ${git_status} =~ ${diverge_pattern} ]]; then
                remote="${YELLOW}?"
        fi
 
        if [[ ${git_status} =~ ${branch_pattern} ]]; then
                branch=${BASH_REMATCH[1]}
                echo " (${branch})${remote}${state}"
        fi
}
function prompt_func() {
        previous_return_value=$?;
        prompt="${GREEN}${USER:-$(type whoami >/dev/null && whoami)}@$(type uname >/dev/null && uname -n) ${BLUE}[\w${GREEN}$(parse_git_branch)${BLUE}]${COLOR_NONE} "
        if test $previous_return_value -eq 0
        then
                # PS1="${prompt}? "
                PS1="${prompt} \\$ "
        else
                #PS1="${prompt}${RED}?${COLOR_NONE}"
                PS1="${prompt}${RED}\\$ ${COLOR_NONE}"
        fi
}
 
PROMPT_COMMAND=prompt_func