git and bash completion

.bash_profile

# bash-completion
if [ -f `brew --prefix`/etc/bash_completion ]; then
  . `brew --prefix`/etc/bash_completion
fi

rvm_status() {
  rvm_info=$(~/.rvm/bin/rvm-prompt)
  if [ -n "$rvm_info" ]; then
    echo "($rvm_info)"
  fi
}

function parse_git_deleted {
  [[ $(git status 2> /dev/null | grep deleted:) != "" ]] && echo "-"
}
function parse_git_added {
  [[ $(git status 2> /dev/null | grep "Untracked files:") != "" ]] && echo '+'
}
function parse_git_modified {
  [[ $(git status 2> /dev/null | grep modified:) != "" ]] && echo "*"
}
function parse_git_dirty {
  # [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "☠"
  echo "$(parse_git_added)$(parse_git_modified)$(parse_git_deleted)"
}
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}

# bash PS1
export PS1='\n\w $(rvm_status) $(parse_git_branch)\n$ '

# coloring
export CLICOLOR=1
export LSCOLORS=ExFxCxDxBxegedabagacad