#! /bin/sh
# mergeactive - merge active data from another site into this site's
#	active file, cautiously
# mergeactive [-#] file ...

# =()<. ${NEWSCONFIG-@<NEWSCONFIG>@}>()=
. ${NEWSCONFIG-/usr/local/libexec/cnews/config}

PATH=$NEWSCTL/bin:$NEWSBIN/maint:$NEWSBIN:$NEWSPATH ; export PATH
umask $NEWSUMASK

replace=y
for dummy
do
	case "$1" in
	'-#')	replace=n	;;
	--)	shift ; break	;;
	-*)	echo "$0: unknown option \`$1'" >&2 ; exit 2	;;
	*)	break		;;
	esac
	shift
done

cd $NEWSCTL

tmp=/tmp/am$$
tmpb=/tmp/am$$b
err=/tmp/am$$e
locks=
status=1
trap 'rm -f $tmp $tmpb $err ; unlock $locks ; trap 0 ; exit $status' 0 1 2 15

# gather up the input
cat $* >$tmp

# do some checking
checkactive -i -q $tmp >$err 2>&1
if test -s $err
then
	echo "$0: problems in input:" >&2
	cat $err >&2
	exit
fi

# now we need to make sure things don't change underfoot...
lock LOCK $$ 10 || exit
locks=LOCK

# let's be paranoid...
checkactive -q active >$err 2>&1
if test -s $err
then
	echo "$0: problems in $NEWSCTL/active:" >&2
	cat $err >&2
	exit
fi

# pick out the new ones
awk '{ print $1, $4 }' $tmp | sort >$tmpb
sort active | join -a2 - $tmpb | awk 'NF == 2' >$tmp

# and away we go...
cp active active.tmp
awk '{ print $1, "0000000000", "00001", $2 }' $tmp >>active.tmp
cp active.times actimes.tmp
me=${LOGNAME-${USER-unknown}}@`newshostname`
now=`now`
sed "s/ .*/ $now $me/" $tmp >>actimes.tmp

# should we proceed?
if test " $replace" = " n"
then
	status=0
	exit
fi

# do the dirty deed
mv active active.old || exit
mv active.tmp active || exit
mv active.times active.times.o && mv actimes.tmp active.times

# and add any necessary directories
adddirs

# looks like it worked
status=0