#!/bin/rc

rfork en

9fs wiki
tmpf=/tmp/wikiedits.^`{date -n}
touch $tmpf

{for (i in /mnt/wiki/*/current) {
	refver=''
	if (test $i -nt $home/lib/wiki.latest) {
		for (j in `{ls -rt `{basename -d $i}^/*/current})
			if (test $j -ot $home/lib/wiki.latest)
				refver=$j
		if (~ $refver '') {
			echo new page $i
			cat $i
		}
		if not {
			echo diff $refver $i
			diff $refver $i
		}
		echo
	}
} } > $tmpf >[2=1]

if (~ $#* 0)
	cat $tmpf
if not
	cat $tmpf | mail -s 'New wiki edits' $*

rm $tmpf

touch $home/lib/wiki.latest