# less will act like cat if there is no terminal, but it's only worth
# the setup delay if there is a terminal or might be one later
if [ -n "$DISPLAY" -o -t 0 ] ; then
  # This is run by setup_user_vars() in user.sh
  setup_user_vars_less()
  {
    # use a replacement lesspipe (and lessfile) if I can supply a newer one
    lessver=$(less -V | awk '{ print $2 ; exit }')
    my_lesspipe_dir=$(ls -d ~/.init/contrib/less_*)
    my_lesspipe_ver=${my_lesspipe_dir##*_}

    less_setup()
    {
      eval `SHELL=/bin/sh sh $my_lesspipe_dir/lesspipe`
      # for sless
      export LESSOPEN_PROG=$my_lesspipe_dir/lessfile
      export LESSCLOSE_PROG=$my_lesspipe_dir/lessfile
    }

    export MY_LESSOPEN=$HOME/.init/lib/my_lessopen
    if [ $my_lesspipe_ver -gt $lessver ] ; then
      ## -x $my_lesspipe_dir/lesspipe
      less_setup
    else
      if [ $DISTRO_BASE = Debian ] ; then
        eval `SHELL=/bin/sh lesspipe`
        # for sless
        export LESSOPEN_PROG=/usr/bin/lessfile
        export LESSCLOSE_PROG=/usr/bin/lessfile
      else
        if [ -f /usr/bin/lesspipe.sh ]; then
          export LESSOPEN="|/usr/bin/lesspipe.sh '%s'"
          # unfortunately, no lessfile equivalent exists so use a homebrew one
          export LESSOPEN_PROG=$HOME/.init/lib/my_lessopen_pipe
          export LESSCLOSE_PROG=$HOME/.init/lib/my_lessopen_rm
        elif type -p lessopen.sh > /dev/null
        then
          export LESSOPEN="lessopen.sh '%s'"
          export LESSCLOSE="lessclose.sh '%s' '%s'"
          # for sless
          export LESSOPEN_PROG=lessopen.sh
          export LESSCLOSE_PROG=lessclose.sh
        else
          # fallback to the one I supplied
          less_setup
        fi
      fi
    fi
    export LESS="--LONG-PROMPT --window=-2"

    export PAGER=less
  }
fi