pretty bash prompt with current working git branch

gistfile1.sh

reset=$(tput sgr0)

black=$(tput setaf 0)
red=$(tput setaf 1)
green=$(tput setaf 2)
yellow=$(tput setaf 3)
blue=$(tput setaf 4)
violet=$(tput setaf 5)
cyan=$(tput setaf 6)
white=$(tput setaf 7)

parse_git_branch() {
    branch=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'`
    if [ "$branch" = "(master)" ] ; then
        branch="$red${branch}$reset"
    elif [ "$branch" != '' ] ; then
        branch="$yellow${branch}$reset"
    fi
    echo $branch
}

export PS1='\[$green\]\h\[$red\]:\[$blue\]\w $(parse_git_branch)\n \[$green\]→\[$white\] '
export CLICOLOR=true