git branch name in bashrc

.bashrc

red=$(tput setaf 1)
green=$(tput setaf 2)
yellow=$(tput setaf 3)
blue=$(tput setaf 4)
bold=$(tput bold)
reset=$(tput sgr0)
function parse_git_dirty {
[[ $(git status 2> /dev/null | tail -n1) != 'nothing to commit (working directory clean)' ]] && echo $red || echo $green
}
function parse_git_branch {
git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/\* \(.*\)/\1/"
}


if [ "$color_prompt" = yes ]; then
    PS1="\[$bold\]\[$yellow\]\h\[$reset\]:\[$bold\]\[$blue\]\w\[$reset\]:\[\$(parse_git_dirty)\]\$(parse_git_branch)\[\$reset\]\$ "
else
    PS1='\u@\h:\W:$(parse_git_branch) " (%s)")\$ '
fi