#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/edit - ask user for edit
#
# Copyright (c) 2003-2004 Frank Meyer <frank@eisfair(dot)org>
#
# Creation: 19.07.2003  fm
# Last Update:  $Id$
#
# usage: edit file
#
# return values:
#   0  editor started
#   1  editor 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


# include function library
. /var/install/bin/config_shlib

configfile=$1 
baseconfigfile=`basename $configfile`

editor=$EDITOR

if [ "$editor" = "" ]
then
    editor=joe
fi
 
basename=`basename $editor`

mecho
mecho
mecho "Since there is no EIS/FAIR configuration tool, you must edit"
mecho "the EIS/FAIR configuration file $configfile with"
mecho "the editor $editor."
mecho
 
param=""

if [ "$basename" = "joe" ]
then
    mecho "You can get help by joe if you press 'Ctrl-K H'."
    mecho
    param="-nobackups"
elif [ "$basename" = "vi" -o "$basename" = "vim" ]
then
    mecho "You can get help by vi/vim if you enter ':help'."
    mecho
fi
 
exitval=0
if /var/install/bin/ask "Continue"
then
    umask 077        # do not allow anybody to read anything
                     # config or logfile may contain secret passwords

    cp -p $configfile /tmp/edit-$$

    while [ 1 ]
    do
        $editor $param $configfile

        if [ -f /usr/local/bin/eischk -a -f /etc/check.d/$baseconfigfile ]
        then
            mecho -info "Checking configuration file ..."
            mecho
            if ! /usr/local/bin/eischk -c /etc/config.d                \
                                       -x /etc/check.d                 \
                                       -l /tmp/$baseconfigfile.log     \
                                       -p $baseconfigfile
            then
                if ! /var/install/bin/ask "Edit configuration again"
                then
                    exitval=1
                    break
                fi
            else
                break
            fi
        else
            break
        fi
    done

    if ! diff /tmp/edit-$$ $configfile >/dev/null
    then
      # mv /tmp/edit-$$ $configfile.backup
        backup_config $baseconfigfile /tmp/edit-$$
        rm -f /tmp/edit-$$
    else
        rm -f /tmp/edit-$$
    fi
    rm -f /tmp/$baseconfigfile.log

    exit $exitval
fi

exit 1