Simple Git Bash Prompt

.bash_prompt

BLUE="$(tput setaf 4)"
GREEN="$(tput setaf 2)"
ORANGE="$(tput setaf 3)"
RED="$(tput setaf 1)"
RESET="$(tput sgr0)"

git_prompt(){
        if [ -d .git ]; then
                IS_GIT_REPO=true
        else
                IS_GIT_REPO=false
        fi;
        PROMPT_GIT_STATUS=$(git_status_prompt);
        PROMPT_GIT_BRANCH=$(git_branch_prompt);
}

git_status_prompt(){
        if [ "$IS_GIT_REPO" = true ] && [ -n "$(git status --porcelain)" ]; then
                echo "${ORANGE}± "
        else
                echo ""
        fi;
}

git_branch_prompt(){
        if [ "$IS_GIT_REPO" = true ] ; then
                branch=$(git rev-parse --abbrev-ref HEAD)
                if [ $branch = "master" ] ; then
                        echo ""
                else
                        echo $(git rev-parse --abbrev-ref HEAD)
                fi;
        else
                echo ""
        fi;
}

path_prompt(){
        PS1X=$(p="${PWD#${HOME}}"; [ "${PWD}" != "${p}"  ] && printf "~";IFS=/; for q in ${p:1}; do printf /${q:0:1}; done; printf "${q:1}")
}

PROMPT_COMMAND='git_prompt; path_prompt;'

PS1='${GREEN}${PROMPT_GIT_BRANCH}${PROMPT_GIT_STATUS}${BLUE}${PS1X} $ ${RESET}'