add news item for ikiwiki 3.20101129

[git.ikiwiki.info.git] / IkiWiki / Plugin / aggregate.pm

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index e1baae666a02ffe0e9230ed4d81667a2f7ece79a..9b70e5df053731866c5ad7a494432e6e0b72b4bc 100644 (file)
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -210,6 +210,8 @@ sub needsbuild (@) {
                        markunseen($feed->{sourcepage});
                }
        }
+
+       return $needsbuild;
 }
 
 sub preprocess (@) {
@@ -298,7 +300,7 @@ sub loadstate () {
        return if $state_loaded;
        $state_loaded=1;
        if (-e "$config{wikistatedir}/aggregate") {
-               open(IN, "$config{wikistatedir}/aggregate") ||
+               open(IN, "<", "$config{wikistatedir}/aggregate") ||
                        die "$config{wikistatedir}/aggregate: $!";
                while (<IN>) {
                        $_=IkiWiki::possibly_foolish_untaint($_);
@@ -335,7 +337,7 @@ sub savestate () {
        garbage_collect();
        my $newfile="$config{wikistatedir}/aggregate.new";
        my $cleanup = sub { unlink($newfile) };
-       open (OUT, ">$newfile") || error("open $newfile: $!", $cleanup);
+       open (OUT, ">", $newfile) || error("open $newfile: $!", $cleanup);
        foreach my $data (values %feeds, values %guids) {
                my @line;
                foreach my $field (keys %$data) {
@@ -356,6 +358,20 @@ sub savestate () {
        close OUT || error("save $newfile: $!", $cleanup);
        rename($newfile, "$config{wikistatedir}/aggregate") ||
                error("rename $newfile: $!", $cleanup);
+
+       my $timestamp=undef;
+       foreach my $feed (keys %feeds) {
+               my $t=$feeds{$feed}->{lastupdate}+$feeds{$feed}->{updateinterval};
+               if (! defined $timestamp || $timestamp > $t) {
+                       $timestamp=$t;
+               }
+       }
+       $newfile=~s/\.new$/time/;
+       open (OUT, ">", $newfile) || error("open $newfile: $!", $cleanup);
+       if (defined $timestamp) {
+               print OUT $timestamp."\n";
+       }
+       close OUT || error("save $newfile: $!", $cleanup);
 }
 
 sub garbage_collect () {
@@ -404,6 +420,7 @@ sub mergestate () {
        }
 
        # New guids can be created during aggregation.
+       # Guids have a few fields that may be updated during aggregation.
        # It's also possible that guids were removed from the on-disk state
        # while the aggregation was in process. That would only happen if
        # their feed was also removed, so any removed guids added back here
@@ -412,6 +429,11 @@ sub mergestate () {
                if (! exists $guids{$guid}) {
                        $guids{$guid}=$myguids{$guid};
                }
+               else {
+                       foreach my $field (qw{md5}) {
+                               $guids{$guid}->{$field}=$myguids{$guid}->{$field};
+                       }
+               }
        }
 }
 
@@ -622,7 +644,14 @@ sub add_page (@) {
        $guid->{md5}=$digest;
 
        # Create the page.
-       my $template=template($feed->{template}, blind_cache => 1);
+       my $template;
+       eval {
+               $template=template($feed->{template}, blind_cache => 1);
+       };
+       if ($@) {
+               print STDERR gettext("failed to process template:")." $@";
+               return;
+       }
        $template->param(title => $params{title})
                if defined $params{title} && length($params{title});
        $template->param(content => wikiescape(htmlabs($params{content},
@@ -644,11 +673,13 @@ sub add_page (@) {
                # creation time on record for the new page.
                utime $mtime, $mtime, "$config{srcdir}/".htmlfn($guid->{page});
                # Store it in pagectime for expiry code to use also.
-               $IkiWiki::pagectime{$guid->{page}}=$mtime;
+               $IkiWiki::pagectime{$guid->{page}}=$mtime
+                       unless exists $IkiWiki::pagectime{$guid->{page}};
        }
        else {
                # Dummy value for expiry code.
-               $IkiWiki::pagectime{$guid->{page}}=time;
+               $IkiWiki::pagectime{$guid->{page}}=time
+                       unless exists $IkiWiki::pagectime{$guid->{page}};
        }
 }