don't force a rebuild

[ikiwiki.git] / IkiWiki / Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index ab3a71671455874a0b8032bfd8d09f5b362339aa..e98888d76ecd17709e054b3a7068e0c439341a8a 100644 (file)
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -78,11 +78,14 @@ sub genpage ($$) {
        my $actions=0;
 
        if (length $config{cgiurl}) {
-               $template->param(editurl => cgiurl(do => "edit", page => $page))
-                       if IkiWiki->can("cgi_editpage");
-               $template->param(prefsurl => cgiurl(do => "prefs"))
-                       if exists $hooks{auth};
-               $actions++;
+               if (IkiWiki->can("cgi_editpage")) {
+                       $template->param(editurl => cgiurl(do => "edit", page => $page));
+                       $actions++;
+               }
+               if (exists $hooks{auth}) {
+                       $template->param(prefsurl => cgiurl(do => "prefs"));
+                       $actions++;
+               }
        }
                
        if (defined $config{historyurl} && length $config{historyurl}) {
@@ -92,7 +95,7 @@ sub genpage ($$) {
                $actions++;
        }
        if ($config{discussion}) {
-               if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
+               if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
                   (length $config{cgiurl} ||
                    exists $links{$page."/".$config{discussionpage}})) {
                        $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
@@ -164,6 +167,7 @@ sub scan ($) {
                else {
                        $links{$page}=[];
                }
+               delete $typedlinks{$page};
 
                run_hooks(scan => sub {
                        shift->(
@@ -392,27 +396,40 @@ sub find_del_files ($) {
                                push @internal_del, $pagesources{$page};
                        }
                        else {
-                               debug(sprintf(gettext("removing old page %s"), $page));
                                push @del, $pagesources{$page};
                        }
                        $links{$page}=[];
+                       delete $typedlinks{$page};
                        $renderedfiles{$page}=[];
                        $pagemtime{$page}=0;
-                       foreach my $old (@{$oldrenderedfiles{$page}}) {
-                               prune($config{destdir}."/".$old);
-                       }
-                       delete $pagesources{$page};
-                       foreach my $source (keys %destsources) {
-                               if ($destsources{$source} eq $page) {
-                                       delete $destsources{$source};
-                               }
-                       }
                }
        }
 
        return \@del, \@internal_del;
 }
 
+sub remove_del (@) {
+       foreach my $file (@_) {
+               my $page=pagename($file);
+               if (! isinternal($page)) {
+                       debug(sprintf(gettext("removing old page %s"), $page));
+               }
+       
+               foreach my $old (@{$oldrenderedfiles{$page}}) {
+                       prune($config{destdir}."/".$old);
+               }
+
+               foreach my $source (keys %destsources) {
+                       if ($destsources{$source} eq $page) {
+                               delete $destsources{$source};
+                       }
+               }
+       
+               delete $pagecase{lc $page};
+               delete $pagesources{$page};
+       }
+}
+
 sub find_changed ($) {
        my $files=shift;
        my @changed;
@@ -484,6 +501,29 @@ sub remove_unrendered () {
        }
 }
 
+sub link_types_changed ($$) {
+       # each is of the form { type => { link => 1 } }
+       my $new = shift;
+       my $old = shift;
+
+       return 0 if !defined $new && !defined $old;
+       return 1 if !defined $new || !defined $old;
+
+       while (my ($type, $links) = each %$new) {
+               foreach my $link (keys %$links) {
+                       return 1 unless exists $old->{$type}{$link};
+               }
+       }
+
+       while (my ($type, $links) = each %$old) {
+               foreach my $link (keys %$links) {
+                       return 1 unless exists $new->{$type}{$link};
+               }
+       }
+
+       return 0;
+}
+
 sub calculate_changed_links ($$$) {
        my ($changed, $del, $oldlink_targets)=@_;
 
@@ -510,6 +550,14 @@ sub calculate_changed_links ($$$) {
                        }
                        $linkchangers{lc($page)}=1;
                }
+
+               # we currently assume that changing the type of a link doesn't
+               # change backlinks
+               if (!exists $linkchangers{lc($page)}) {
+                       if (link_types_changed($typedlinks{$page}, $oldtypedlinks{$page})) {
+                               $linkchangers{lc($page)}=1;
+                       }
+               }
        }
 
        return \%backlinkchanged, \%linkchangers;
@@ -550,7 +598,7 @@ sub render_dependent ($$$$$$$) {
                if (exists $depends{$p} && ! defined $reason) {
                        foreach my $dep (keys %{$depends{$p}}) {
                                my $sub=pagespec_translate($dep);
-                               next if $@ || ! defined $sub;
+                               next unless defined $sub;
 
                                # only consider internal files
                                # if the page explicitly depends
@@ -633,6 +681,8 @@ sub refresh () {
        }
 
        calculate_links();
+       
+       remove_del(@$del, @$internal_del);
 
        foreach my $file (@$changed) {
                render($file, sprintf(gettext("building %s"), $file));
@@ -666,6 +716,17 @@ sub refresh () {
        }
 }
 
+sub clean_rendered {
+       lockwiki();
+       loadindex();
+       remove_unrendered();
+       foreach my $page (keys %oldrenderedfiles) {
+               foreach my $file (@{$oldrenderedfiles{$page}}) {
+                       prune($config{destdir}."/".$file);
+               }
+       }
+}
+
 sub commandline_render () {
        lockwiki();
        loadindex();