#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/doc - ask user for doc view
#
# Copyright (c) 2003-2004 Frank Meyer <frank@eisfair(dot)org>
#
# Creation:     28.08.2003  fm
# Last Update:  $Id$
#
# usage: doc file
#        doc file message
#
# return values:
#   0  pager started
#   1  pager not started
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

docfile=$1

if [ "`dirname "$docfile"`" = "." -a "$PACKAGE" != "" ]
then
    docfile="/usr/share/doc/$PACKAGE/$docfile"
fi

if [ $# -eq 2 ]
then
    title="$2"
    clrhome
    mecho -info "$title"
    mecho
fi


pager=$PAGER

if [ "$pager" = "" ]
then
    pager=less
fi

mecho
mecho
mecho "The documentation will be shown using '$PAGER'"

case $pager
in
    *less)
        mecho "You can get help by typing the key 'h', 'q' to quit.";;
    *more*)
        mecho "You can get help by typing the key 'h', 'q' to quit.";;
    *vi|*view  )
        mecho "You can get help by typing :h, :q to quit.";;
    *)
        true;;
esac
mecho

rtc=1

if /var/install/bin/ask "Continue" "yes"
then
    if [ -f $docfile -a -s $docfile ]
    then
        export LESSCHARSET=latin1
        $pager $docfile
        if [ $? -ne 0 ]
        then
            mecho -error "pager $PAGER invalid!"
            mecho -error "check variable PAGER."
            anykey
	else
            rtc=0
        fi
    else
        mecho -warn "Could not find desired documentation!"
        anykey
    fi
fi

exit $rtc