my custom colored bash prompt with current git branch status

git_bash_prompt.sh

# git dirty bash prompt (mostly ripped from http://henrik.nyh.se/2008/12/git-dirty-prompt)
# clean repo:
# user@host:~/path/to/repo/ [current-branch]$
# dirty repo:
# user@host:~/path/to/repo/ [current-branch*]$

function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}

function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}

export PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\[\033[0;33m\] $(parse_git_branch)\[\033[00m\]$ '