#! /bin/sh

# Hook run after adding a package to the database, to regenerate indices.

hackage_dir=/srv/www/hackage.haskell.org/public_html/packages
bin_dir=$hackage_dir/bin
archive=$hackage_dir/archive

list_page=$archive/pkg-list.html
list_prog=$bin_dir/pkg-list
recent_prog=$bin_dir/recent-adds
recent_page=$archive/recent.html
rss_prog=$bin_dir/rss-feed
rss_page=$archive/recent.rss
spark_prog=$bin_dir/hackage-sparks

umask 0002
cd $archive

tmp=tmp.$$
trap 'rm -f $tmp; exit 0' 0 1 2 3 15

# Regenerate the index $archive/00-index.tar.gz
( echo preferred-versions; find . -maxdepth 3 -name '*.cabal' | cut -c3- ) \
	| tar -c -T - -f - | gzip -9 >$tmp
mv $tmp 00-index.tar.gz

# Regenerate index page
$list_prog >$tmp 2>/dev/null
mv $tmp $list_page

# Regenerate sparklines graphs
# (temporarily turned off)
# $spark_prog

# Regenerate recent additions page
tac $archive/log | $recent_prog >$tmp 2>/dev/null
mv $tmp $recent_page

# Regenerate RSS feed
tac $archive/log | $rss_prog >$tmp 2>/dev/null
mv $tmp $rss_page