#!/bin/zsh
# Filename:      grml-info
# Purpose:       start browser with documentation for Grml (based) system
# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
# Bug-Reports:   see http://grml.org/bugs/
# License:       This file is licensed under the GPL v2.
################################################################################

# allow customisation
[ -n "$distri" ] || distri=grml

if [ -r "/usr/share/doc/${distri}-docs/index.html" ] ; then
  # support easy customisation, file doesn't exist
  # by default on mainline Grml
  local PAGE="/usr/share/doc/${distri}-docs/index.html"
else
  local PAGE='/usr/share/doc/grml-docs/startpage.html'
fi

. /etc/grml/script-functions

# do we have X?
if [ -n "$DISPLAY" ] ; then
   if check4progs dillo &>/dev/null ; then
     dillo $PAGE
   elif check4progs xlinks2 &>/dev/null ; then
     xlinks2 -mode 640x480 $PAGE
   elif check4progs firefox &>/dev/null ; then
     firefox $PAGE
   elif check4progs x-www-browser &>/dev/null ; then
     x-www-browser $PAGE
   elif check4progs zenity &>/dev/null ; then
     zenity --no-wrap --error --text="Sorry, no usable X browser (dillo, xlinks2, firefox,...) found."
     exit 1
   elif check4progs Xdialog &>/dev/null ; then
     Xdialog --msgbox "Sorry, no usable X browser (dillo, xlinks2, firefox,...) found." 0 0
     exit 1
   fi
else # no X:
   # do we have a real console?
   if [[ $(tty) == /dev/tty* ]] ; then
      # do we have framebuffer support?
      if [ -c /dev/fb0 ] ; then
         if check4progs links2 &>/dev/null ; then
            links2 -driver fb $PAGE
         elif check4progs w3m &>/dev/null; then
            w3m $PAGE
         elif check4progs links &>/dev/null ; then
            links $PAGE
         else
            echo "Sorry, neither links2 nor w3m nor links available. Exiting.">&2
            exit 1
         fi
      else # no, we don't have framebuffer
         if check4progs w3m &>/dev/null ; then
            w3m $PAGE
         elif check4progs links &>/dev/null ; then
            links $PAGE
         elif check4progs links2 &>/dev/null ; then
            links2 $PAGE
         else
            echo "Sorry, neither w3m nor links nor links2 available. Exiting.">&2
            exit 1
         fi
      fi
   else # no, probably we are running inside GNU screen
      if check4progs w3m &>/dev/null ; then
         w3m $PAGE
      elif check4progs links2 &>/dev/null ; then
         links2 $PAGE
      elif check4progs links &>/dev/null ; then
         links $PAGE
      else
         echo "Sorry, neither w3m nor links2 nor links available. Exiting.">&2
         exit 1
      fi
   fi
fi

## END OF FILE #################################################################