Added a comment

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

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index 419b40fdb115e221b18876ef11aa6252b6501f21..fbf88c62738d783c210d27cf6aa57c1b81c71fef 100644 (file)
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -16,7 +16,8 @@ my %guids;
 sub import {
        hook(type => "getopt", id => "aggregate", call => \&getopt);
        hook(type => "getsetup", id => "aggregate", call => \&getsetup);
-       hook(type => "checkconfig", id => "aggregate", call => \&checkconfig);
+       hook(type => "checkconfig", id => "aggregate", call => \&checkconfig,
+               last => 1);
        hook(type => "needsbuild", id => "aggregate", call => \&needsbuild);
        hook(type => "preprocess", id => "aggregate", call => \&preprocess);
         hook(type => "delete", id => "aggregate", call => \&delete);
@@ -64,6 +65,8 @@ sub checkconfig () {
                $config{aggregateinternal}=1;
        }
 
+       # This is done here rather than in a refresh hook because it
+       # needs to run before the wiki is locked.
        if ($config{aggregate} && ! ($config{post_commit} && 
                                     IkiWiki::commit_hook_enabled())) {
                launchaggregation();
@@ -101,8 +104,7 @@ sub launchaggregation () {
        my @feeds=needsaggregate();
        return unless @feeds;
        if (! lockaggregate()) {
-               debug("an aggregation process is already running");
-               return;
+               error("an aggregation process is already running");
        }
        # force a later rebuild of source pages
        $IkiWiki::forcerebuild{$_->{sourcepage}}=1
@@ -189,7 +191,7 @@ sub migrate_to_internal {
                if (-e $oldoutput) {
                        require IkiWiki::Render;
                        debug("removing output file $oldoutput");
-                       IkiWiki::prune($oldoutput);
+                       IkiWiki::prune($oldoutput, $config{destdir});
                }
        }
        
@@ -486,6 +488,7 @@ sub needsaggregate () {
 }
 
 sub aggregate (@) {
+       eval q{use Net::INET6Glue::INET_is_INET6}; # may not be available
        eval q{use XML::Feed};
        error($@) if $@;
        eval q{use URI::Fetch};
@@ -510,7 +513,8 @@ sub aggregate (@) {
                        }
                        $feed->{feedurl}=pop @urls;
                }
-               my $res=URI::Fetch->fetch($feed->{feedurl});
+               my $ua=useragent();
+               my $res=URI::Fetch->fetch($feed->{feedurl}, UserAgent=>$ua);
                if (! $res) {
                        $feed->{message}=URI::Fetch->errstr;
                        $feed->{error}=1;
@@ -549,7 +553,9 @@ sub aggregate (@) {
                        };
                }
                if ($@) {
-                       $feed->{message}=gettext("feed crashed XML::Feed!")." ($@)";
+                       # gettext can clobber $@
+                       my $error = $@;
+                       $feed->{message}=gettext("feed crashed XML::Feed!")." ($error)";
                        $feed->{error}=1;
                        debug($feed->{message});
                        next;
@@ -577,6 +583,7 @@ sub aggregate (@) {
                                feed => $feed,
                                copyright => $f->copyright,
                                title => defined $entry->title ? decode_entities($entry->title) : "untitled",
+                               author => defined $entry->author ? decode_entities($entry->author) : "",
                                link => $entry->link,
                                content => (defined $c && defined $c->body) ? $c->body : "",
                                guid => defined $entry->id ? $entry->id : time."_".$feed->{name},
@@ -597,6 +604,7 @@ sub add_page (@) {
                # updating an existing post
                $guid=$guids{$params{guid}};
                return if $guid->{expired};
+               write_page($feed, $guid, $mtime, \%params);
        }
        else {
                # new post
@@ -622,24 +630,35 @@ sub add_page (@) {
                       -e "$config{srcdir}/".htmlfn($page.$c)) {
                        $c++
                }
+               $page=$page.$c;
 
-               # Make sure that the file name isn't too long. 
-               # NB: This doesn't check for path length limits.
-               my $max=POSIX::pathconf($config{srcdir}, &POSIX::_PC_NAME_MAX);
-               if (defined $max && length(htmlfn($page)) >= $max) {
+               $guid->{page}=$page;
+               eval { write_page($feed, $guid, $mtime, \%params) };
+               if ($@) {
+                       # assume failure was due to a too long filename
                        $c="";
                        $page=$feed->{dir}."/item";
                        while (exists $IkiWiki::pagecase{lc $page.$c} ||
                              -e $IkiWiki::Plugin::transient::transientdir."/".htmlfn($page.$c) ||
-
-                              -e "$config{srcdir}/".htmlfn($page.$c)) {
+                             -e "$config{srcdir}/".htmlfn($page.$c)) {
                                $c++
                        }
+                       $page=$page.$c;
+
+                       $guid->{page}=$page;
+                       write_page($feed, $guid, $mtime, \%params);
                }
 
-               $guid->{page}=$page;
                debug(sprintf(gettext("creating new page %s"), $page));
        }
+}
+
+sub write_page ($$$$$) {
+       my $feed=shift;
+       my $guid=shift;
+       my $mtime=shift;
+       my %params=%{shift()};
+
        $guid->{feed}=$feed->{name};
        
        # To write or not to write? Need to avoid writing unchanged pages
@@ -658,11 +677,16 @@ sub add_page (@) {
                $template=template($feed->{template}, blind_cache => 1);
        };
        if ($@) {
-               print STDERR gettext("failed to process template:")." $@";
+               # gettext can clobber $@
+               my $error = $@;
+               print STDERR gettext("failed to process template:")." $error";
                return;
        }
        $template->param(title => $params{title})
                if defined $params{title} && length($params{title});
+       $template->param(author => $params{author})
+               if defined $params{author} && length($params{author}
+                       && $params{author} ne $feed->{name});
        $template->param(content => wikiescape(htmlabs($params{content},
                defined $params{base} ? $params{base} : $feed->{feedurl})));
        $template->param(name => $feed->{name});