#! /bin/sh
#------------------------------------------------------------------------------
# part of the sn-package for eisfair
# delete external server and remove all related groups
# last update: 2003/09/11
# (c) 2001-2003 by Christian Würdig (eisfair@chriswue.de)
#------------------------------------------------------------------------------

outgoing="/var/spool/news/.outgoing"
numb=0
keep="yes"

check_groups()
{
   cd ..
   idx=0
   clrhome
   colecho "following groups related to server $1 found:" gn
   echo
   for group in *; do
      cd "$group"
      if [ -e .outgoing ]; then
         o=`ls -la .outgoing | sed -e 's#.*-> ../.outgoing/##' | cut -d: -f 1`
         if [ "$1" = "$o" ]; then
            idx=`expr $idx + 1`
            eval relgroup_$idx='"$group"'
            echo "$group"
            m=`expr $idx % 20`
            if [ "$m" = 0 ]; then
               echo
               echo -e "Press ENTER to continue \c"
               read -s b
               clrhome
               colecho "following groups related to server $1 found:" gn
               echo  
            fi
         fi
      fi
      cd ..
   done
   numb=$idx
   cd "$outgoing"
   echo
   /var/install/bin/anykey
}

get_newserver()
{
   clrhome
   colecho "New Server" gn
   echo
   cd "$outgoing"
   n=0
   for i in *; do
      t=`echo $i | cut -d: -f 1`
      if [ "$t" != "$1" ]; then
         n=`expr $n + 1`
         eval newserver_$n='"$t"'
         echo "$n) $t"
      fi
   done
   echo "0) Exit"
   echo
   while [ 1 ]; do
      echo -e "New server (1-$n, ENTER=Return, 0=Exit) \c"
      read a
      if [ "$a" = 0 ]; then
         exit 127
      fi
      if [ "$a" = "" ]; then
         newserver=""
         break
      fi
      if [ "$a" -ge 1 -a "$a" -le "$n" ]; then
         eval newserver='$newserver_'$a
         break
      fi
   done
}

change_groups()
{
   cd ..
   if /var/install/bin/ask "Change all groups to $1"; then
      idx=0
      while [ "$idx" -lt "$numb" ]; do
         idx=`expr $idx + 1`
         eval group='$relgroup_'$idx
         touch /var/spool/news/.noservice
         cd "$group"
         rm -f .outgoing
         ln -s ../.outgoing/$newserver:119 .outgoing
         chown news .outgoing
         chgrp news .outgoing
         cd ..
         echo "Newsgroup '$group' moved to $newserver"
         rm -f /var/spool/news/.noservice         
      done
      keep="no"
   else
      echo "Keeping groups, do not change anything."
      keep="yes"
   fi
   cd "$outgoing"
}

if [ ! -d "$outgoing" ]; then
   echo
   colecho "No external newsserver found." br x br
   echo
   /var/install/bin/anykey
   exit 0
fi

cd "$outgoing"

clrhome
colecho "Delete external newsserver" gn
echo

n=0
for i in *; do
   n=`expr $n + 1`
   t=`echo $i | cut -f 1 -d ':'`
   eval server_$n='"$t"'
   echo "$n) $t"
done
echo "0) Exit"
echo

while [ 1 ]; do
   echo -e "Server (1-$n, ENTER=Return, 0=Exit) \c"
   read a
   if [ "$a" = 0 ]; then
      exit 127
   fi
   if [ "$a" = "" ]; then
      break
   fi
   if [ "$a" -ge 1 -a "$a" -le "$n" ]; then
      eval server='$server_'$a
      check_groups "$server"
      if [ "$numb" = 0 ]; then
         echo
         echo "No related groups found. Removing server $server"
         rm -rf "$server:119"
         break
      else
         get_newserver "$server"
         if [ "$newserver" = "" ]; then
            break
         fi
         change_groups "$newserver"
         if [ "$keep" = "no" ]; then
            echo "all related groups changed to $newserver"
            echo "removing server $server"
            rm -rf "$server:119"
         else
            echo "$server not removed"
         fi
         break
      fi
   fi
done

echo
/var/install/bin/anykey
exit 0