WHITE="\[\033[00m\]"
BLACK="\[\033[01;30m\]"
RED="\[\033[0;31m\]"
LIGHT_RED="\[\033[1;31m\]"
GREEN="\[\033[0;32m\]"
LIGHT_GREEN="\[\033[1;32m\]"
YELLOW="\[\033[0;33m\]"
BLUE="\[\033[0;34m\]"
PURPLE="\[\033[0;35m\]"
CYAN="\[\033[0;36m\]"
LIGHT_GRAY="\[\033[0;37m\]"

function parse_git_branch {
	git rev-parse --git-dir > /dev/null 2>&1
    if [ $? -eq 0 ]; then
        git_status="$(git status 2> /dev/null)"
        branch_pattern="^# On branch ([^${IFS}]*)"
        detached_branch_pattern="# Not currently on any branch"
        remote_pattern="# Your branch is (.*) of"
        diverge_pattern="# Your branch and (.*) have diverged"
        untracked_pattern="# Untracked files:"
        new_pattern="new file:"
        not_staged_pattern="Changes not staged for commit"
         
        #files not staged for commit
        if [[ ${git_status}} =~ ${not_staged_pattern} ]]; then
            state="✔"
        fi
        # add an else if or two here if you want to get more specific
        # show if we're ahead or behind HEAD
        if [[ ${git_status} =~ ${remote_pattern} ]]; then
            if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
                remote="↑"
            else
                remote="↓"
            fi 
        fi 
        #new files
        if [[ ${git_status} =~ ${new_pattern} ]]; then
            remote="+"
        fi
        #untracked files
        if [[ ${git_status} =~ ${untracked_pattern} ]]; then
            remote="✖"
        fi
        #diverged branch
        if [[ ${git_status} =~ ${diverge_pattern} ]]; then
            remote="↕"
        fi
        #branch name
		if [[ ${git_status} =~ ${branch_pattern} ]]; then
            branch=${BASH_REMATCH[1]}
        #detached branch
        elif [[ ${git_status} =~ ${detached_branch_pattern} ]]; then
            branch="NO BRANCH"
        fi

        echo " ( ${branch} ${state}${remote})"
    fi
    return
}

if [ -f `brew --prefix`/etc/bash_completion ]; then
	. `brew --prefix`/etc/bash_completion
fi

export TERM="xterm-color"
alias ls="ls -G"
export PS1="$PURPLE\u@\h$WHITE:$BLUE\w$YELLOW\$(parse_git_branch)$WHITE\$ "
