Big dumb prompt for .bashrc

.git_bashrc.sh

RESTORE='\[\033[0m\]'
RED='\[\033[00;31m\]'
GREEN='\[\033[00;32m\]'
YELLOW='\[\033[00;33m\]'
PURPLE='\[\033[00;35m\]'
GRAY='\[\033[00;37m\]'

# Normal user is purple, root is red.
if [ "$(id -u)" == '0' ]; then
        USER_COLOR=$RED
    else
        USER_COLOR=$PURPLE
fi

# save last status and force new line
PROMPT_COMMAND='export STATUS=$?'

export PS1="\n${USER_COLOR}\w${GREEN}\$(stopped_jobs)${RESTORE}\$(git_prefix)${RED}\$(git_prompt_info)\n${RESTORE}\$(last_status)\$ "

# only show status when non zero
function last_status() {
    last_status="${STATUS}"
    if [ ${last_status} -gt 0 ]; then
        echo "${last_status}"
    fi
}

# get total amount of stopped jobs
function stopped_jobs() {
    job=$(jobs -s | wc -l | sed -e "s/ //g")
    if [ ${job} -gt 0 ]; then
        echo " ${job}"
    else
        echo ""
    fi
}

# only show '/ <git>' when in directory
function git_prefix() {
    ISGIT=$(git rev-parse --is-inside-work-tree 2>/dev/null)
    if [ ! -z ${ISGIT} ]; then
        echo " / "
    fi
}

function git_current_branch() {
    ref=$(git symbolic-ref HEAD 2>/dev/null)
    ref=${ref##refs/heads/}
    echo "$ref"
}

function git_prompt_info() {
    gitstat=$(git status 2>/dev/null)

    if [[ $(echo "${gitstat}" | grep -c "Changes not staged \| Untracked files") -gt 0 ]]; then
        GIT_CHAR="${GIT_CHAR}?"
    fi

    if [[ $(echo "${gitstat}" | grep -c "Changes to be committed") -gt 0 ]]; then
        GIT_CHAR="${GIT_CHAR}!"
    fi

    if [[ $(echo "${gitstat}" | grep -c "nothing to commit") -gt 0 ]]; then
        GIT_CHAR=""
    fi

    if [[ $(echo "${gitstat}" | grep -c "HEAD detached") -gt 0 ]]; then
        GIT_CHAR="${GIT_CHAR}%"
    fi

    if [[ "$(git_current_branch)" ]]; then
        echo "$(git_current_branch)$GIT_CHAR"
    fi
}