Git branch display in console [~/.bashrc]

.bashrc

#!/bin/sh
# Show git status and 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='\[\033[0m\]\w\[\033[1;33m\]$(parse_git_branch)\[\033[0m\]$ '