install

function _usage {
  cat << _USAGE_

  `basename $0` [-hb]

    -h         help (you are here)
    -b <ext>   backup files with the given extension
_USAGE_
}

bak=false
while getopts hb: opt ; do
  case $opt in
    h) _usage && exit 0 ;;
    b)  [ -n "$OPTARG" ] && bak="$OPTARG" ;;
    ?|*)  _usage && exit 2;;
    esac
done
shift $(($OPTIND-1))

pushd `dirname $0` > /dev/null
b=$(pwd -P)
popd > /dev/null

mkdir -p $HOME/.vim

if [ $bak != false ]; then
  for f in .bashrc .inputrc .psqlrc .vimrc .gitignore .lein/profiles.clj; do
    [ -f $HOME/$f ] && cp $HOME/$f $HOME/$f.$bak
  done
  { test -d $HOME/.vim/colors && mv $HOME/.vim/colors $HOME/.vim/colors.bak; }
fi

mkdir -p $HOME/.lein
{ rm -f $HOME/.git-completion.bash; ln -s $b/git-completion.bash $HOME/.git-completion.bash; }
{ rm -f $HOME/.bashrc; ln -s $b/bashrc $HOME/.bashrc; }
{ rm -f $HOME/.inputrc; ln -s $b/inputrc $HOME/.inputrc; }
{ rm -f $HOME/.psqlrc; ln -s $b/psqlrc $HOME/.psqlrc; }
{ rm -f $HOME/.vimrc; ln -s $b/vi/vimrc $HOME/.vimrc; }
{ rm -f $HOME/.vimrc; ln -s $b/vi/vimrc $HOME/.ideavimrc; }
{ rm -f $HOME/.hushlogin; ln -s $b/hushlogin $HOME/.hushlogin; }
{ rm -f $HOME/.gitignore; ln -s $b/.gitignore $HOME/.gitignore; }
{ rm -f $HOME/.lein/profiles.clj; ln -s $b/profiles.clj $HOME/.lein/profiles.clj; }
{ rm -rf $HOME/.vim/colors; ln -s $b/vi/colors $HOME/.vim/colors; }