git branch in bash prompt

.profile

# ...
# ...
# ...

# git branch in prompt
parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

export PS1="\[\e[0;33m\]\u\[\e[0m\]: \[\e[0;34m\]\W\[\033[32m\]\$(parse_git_branch)\[\033[00m\] $ "

before: john@john:~/Documents/yourRepo/ $
after: john: yourRepo (master) $