Descriptive git bash prompt

.bashrc

RESET='\[\033[0m\]'

RED='\[\033[00;31m\]'
GREEN='\[\033[00;32m\]'
YELLOW='\[\033[00;33m\]'
BLUE='\[\033[00;34m\]'
PURPLE='\[\033[00;35m\]'
CYAN='\[\033[00;36m\]'
LIGHTGRAY='\[\033[00;37m\]'

LRED='\[\033[01;31m\]'
LGREEN='\[\033[01;32m\]'
LYELLOW='\[\033[01;33m\]'
LBLUE='\[\033[01;34m\]'
LPURPLE='\[\033[01;35m\]'
LCYAN='\[\033[01;36m\]'
WHITE='\[\033[01;37m\]'

function is_in_git_repo {
	git rev-parse --is-inside-work-tree 2>/dev/null 1>&2 && return 0 || return 1
}

function print_git_branch {
    git symbolic-ref --short -q HEAD
}

function print_git_describe {
    git describe 2>/dev/null || echo "${RED}no tags${PURPLE}"
}

function print_git_status_symbols {
    GIT_STATUS_PROCELAIN="$(git status --porcelain)"

    GIT_UNTRACKED_LINECOUNT=$( echo "$GIT_STATUS_PROCELAIN" | grep "^??" | wc -l )
    GIT_MODIFIED_LINECOUNT=$( echo "$GIT_STATUS_PROCELAIN" | grep "^.M" | wc -l )
    GIT_STAGED_LINECOUNT=$( echo "$GIT_STATUS_PROCELAIN" | grep -E "^(A|M)" | wc -l )

    if [ $GIT_UNTRACKED_LINECOUNT -gt 0 ]; then
        echo -n "${RED}U"
    fi
    if [ $GIT_MODIFIED_LINECOUNT -gt 0 ]; then
        echo -n "${YELLOW}M"
    fi
    if [ $GIT_STAGED_LINECOUNT -gt 0 ]; then
        echo -n "${GREEN}S"
    fi
}

function print_git_details {
	if is_in_git_repo; then
		echo "$RESET$PURPLE$(print_git_branch) ($(print_git_describe)) [$RESET$(print_git_status_symbols)$RESET$PURPLE]"
	fi
}

function custom_bash_prompt {
	PS1="$RESET$RED\t ${BLUE}\h $YELLOW\u $GREEN\w $(print_git_details)\n$GREEN\$$RESET "
}

PROMPT_COMMAND=custom_bash_prompt