put this in your bash

.bashrc

PATH=$PATH:$HOME/.rvm/bin # Add RVM to PATH for scripting
source /usr/local/Cellar/git/1.7.10/etc/bash_completion.d/git-completion.bash

txtblk='\033[0;30m' # Black - Regular
txtred='\033[0;31m' # Red
txtgrn='\033[0;32m' # Green
txtylw='\033[0;33m' # Yellow
txtblu='\033[0;34m' # Blue
txtpur='\033[0;35m' # Purple
txtcyn='\033[0;36m' # Cyan
txtwht='\033[0;37m' # White
bldblk='\033[1;30m' # Black - Bold
bldred='\033[1;31m' # Red
bldgrn='\033[1;32m' # Green
bldylw='\033[1;33m' # Yellow
bldblu='\033[1;34m' # Blue
bldpur='\033[1;35m' # Purple
bldcyn='\033[1;36m' # Cyan
bldwht='\033[1;37m' # White
unkblk='\033[4;30m' # Black - Underline
undred='\033[4;31m' # Red
undgrn='\033[4;32m' # Green
undylw='\033[4;33m' # Yellow
undblu='\033[4;34m' # Blue
undpur='\033[4;35m' # Purple
undcyn='\033[4;36m' # Cyan
undwht='\033[4;37m' # White
bakblk='\033[40m'   # Black - Background
bakred='\033[41m'   # Red
badgrn='\033[42m'   # Green
bakylw='\033[43m'   # Yellow
bakblu='\033[44m'   # Blue
bakpur='\033[45m'   # Purple
bakcyn='\033[46m'   # Cyan
bakwht='\033[47m'   # White
txtrst='\033[m'   # Text Reset

__vcs_status() {
  branch=$(__git_ps1)
  if [ $branch ]; then
    # not updated
    color="${txtgrn}"
    status=$(git status 2> /dev/null)
    #  added to index (yellow)
    if $(echo "$status" | grep 'to be committed' &> /dev/null); then
      color="${txtylw}"
    fi
    # if we have untracked files (red)
    if $(echo "$status" | grep 'not staged' &> /dev/null); then
      color="${txtred}"
    fi
    echo -e $color $branch $txtrst
  else
    echo -e " "
  fi
}

PS1='\u@\h \W`__vcs_status`\$ '

alias vim="mvim -v"