#!/bin/bash
#
# $Id$
#
# DESCRIPTION: install the isabelle fonts into your X11 server
PRG=$(basename $0)
function usage()
{
  echo
  echo "Usage: $PRG"
  echo
  echo "  Install the isabelle fonts into your X11 server."
  echo "  (May be safely called repeatedly.)"
  echo
  exit 1
}
## check for isabelle fonts
function checkfonts()
{
  RESULT=$(xlsfonts -fn "-isabelle-fixed-*-isabelle-0" 2>&1) || return 1
  case "$RESULT" in
    xlsfonts:*)
      return 1
      ;;
  esac
  return 0
}
## main
[ $# -ne 0 ] && usage
checkfonts || eval $ISABELLE_INSTALLFONTS
checkfonts || echo "WARNING: Isabelle fonts probably not installed correctly!" >&2