.bash_prompt

# ~/.bash_prompt
#
function set_bash_prompt () {
    if test $? -eq 0 ; then
        PATH_COLOR="\[\e[32;1m\]"
    else
        PATH_COLOR="\[\e[31;1m\]"
    fi
    COLOR_USERNAME="\[\e[34;1m\]"
    COLOR_AT="\[\e[34;1m\]"
    COLOR_HOSTNAME="\[\e[34;1m\]"
    COLOR_GITBRANCH="\[\e[41;1;37;1m\]"
    COLOR_NONE="\[\e[0m\]"
# Set the PS1 to be "[workingdirectory:commandcount"
    PS1="${COLOR_NONE}[${PATH_COLOR}\w${COLOR_NONE}"
# Add git branch portion of the prompt, this adds ":branchname"
    git --version 2>&1 >/dev/null # improvement by tripleee
    GIT_IS_AVAILABLE=$?
    if [ $GIT_IS_AVAILABLE -eq 0 ]; then #...
        # Git is installed
        if [ -d .git ] || git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
            # Inside of a git repository
            GIT_BRANCH=$(git symbolic-ref --short HEAD)
            PS1="${PS1}:${COLOR_GITBRANCH} ${GIT_BRANCH} ${COLOR_NONE}${COLOR_NONE}"
        fi
    fi
# Close out the prompt, this adds "]\n[username@hostname] "
    PS1="${PS1}]\n${COLOR_NONE}[${COLOR_USERNAME}\u${COLOR_AT}@"
    export PS1="${PS1}${COLOR_HOSTNAME}\h${COLOR_NONE}]$ "
}
export PROMPT_COMMAND=set_bash_prompt