]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki.pm
htmlscrubber: Do not scrub url anchors that contain colons.
[git.ikiwiki.info.git] / IkiWiki.pm
index 232d3e77b6a240860adfb38447dd92586a5ce22e..df8abe2c2711281c220a604aa0ddca09ec915a02 100644 (file)
@@ -5,26 +5,26 @@ package IkiWiki;
 use warnings;
 use strict;
 use Encode;
-use HTML::Entities;
 use URI::Escape q{uri_escape_utf8};
-use POSIX;
+use POSIX ();
 use Storable;
 use open qw{:utf8 :std};
 
 use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase
-           %pagestate %wikistate %renderedfiles %oldrenderedfiles
-           %pagesources %destsources %depends %depends_simple %hooks
-           %forcerebuild %loaded_plugins};
+       %pagestate %wikistate %renderedfiles %oldrenderedfiles
+       %pagesources %delpagesources %destsources %depends %depends_simple
+       @mass_depends %hooks %forcerebuild %loaded_plugins %typedlinks
+       %oldtypedlinks %autofiles};
 
 use Exporter q{import};
-our @EXPORT = qw(hook debug error template htmlpage deptype
-                 add_depends pagespec_match pagespec_match_list bestlink
-                htmllink readfile writefile pagetype srcfile pagename
-                displaytime will_render gettext urlto targetpage
-                add_underlay pagetitle titlepage linkpage newpagefile
-                inject add_link
-                 %config %links %pagestate %wikistate %renderedfiles
-                 %pagesources %destsources);
+our @EXPORT = qw(hook debug error htmlpage template template_depends
+       deptype add_depends pagespec_match pagespec_match_list bestlink
+       htmllink readfile writefile pagetype srcfile pagename
+       displaytime will_render gettext ngettext urlto targetpage
+       add_underlay pagetitle titlepage linkpage newpagefile
+       inject add_link add_autofile
+       %config %links %pagestate %wikistate %renderedfiles
+       %pagesources %destsources %typedlinks);
 our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
 our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
 our $installdir='/usr'; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
@@ -37,6 +37,7 @@ our $DEPEND_LINKS=4;
 # Optimisation.
 use Memoize;
 memoize("abs2rel");
+memoize("sortspec_translate");
 memoize("pagespec_translate");
 memoize("template_file");
 
@@ -150,18 +151,11 @@ sub getsetup () {
        templatedir => {
                type => "string",
                default => "$installdir/share/ikiwiki/templates",
-               description => "location of template files",
+               description => "additional directory to search for template files",
                advanced => 1,
                safe => 0, # path
                rebuild => 1,
        },
-       templatedirs => {
-               type => "internal",
-               default => [],
-               description => "additional directories containing template files",
-               safe => 0,
-               rebuild => 0,
-       },
        underlaydir => {
                type => "string",
                default => "$installdir/share/ikiwiki/basewiki",
@@ -240,6 +234,14 @@ sub getsetup () {
                safe => 1,
                rebuild => 1,
        },
+       html5 => {
+               type => "boolean",
+               default => 0,
+               description => "generate HTML5? (experimental)",
+               advanced => 1,
+               safe => 1,
+               rebuild => 1,
+       },
        sslcookie => {
                type => "boolean",
                default => 0,
@@ -334,18 +336,27 @@ sub getsetup () {
                safe => 0, # paranoia
                rebuild => 0,
        },
+       include => {
+               type => "string",
+               default => undef,
+               example => '^\.htaccess$',
+               description => "regexp of normally excluded files to include",
+               advanced => 1,
+               safe => 0, # regexp
+               rebuild => 1,
+       },
        exclude => {
                type => "string",
                default => undef,
-               example => '\.wav$',
-               description => "regexp of source files to ignore",
+               example => '^(*\.private|Makefile)$',
+               description => "regexp of files that should be skipped",
                advanced => 1,
                safe => 0, # regexp
                rebuild => 1,
        },
        wiki_file_prune_regexps => {
                type => "internal",
-               default => [qr/(^|\/)\.\.(\/|$)/, qr/^\./, qr/\/\./,
+               default => [qr/(^|\/)\.\.(\/|$)/, qr/^\//, qr/^\./, qr/\/\./,
                        qr/\.x?html?$/, qr/\.ikiwiki-new$/,
                        qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//,
                        qr/(^|\/)_MTN\//, qr/(^|\/)_darcs\//,
@@ -409,6 +420,13 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
+       clean => {
+               type => "internal",
+               default => 0,
+               description => "running in clean mode",
+               safe => 0,
+               rebuild => 0,
+       },
        refresh => {
                type => "internal",
                default => 0,
@@ -423,10 +441,16 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
-       getctime => {
+       wrapper_background_command => {
                type => "internal",
-               default => 0,
-               description => "running in getctime mode",
+               default => '',
+               description => "background shell command to run",
+               safe => 0,
+               rebuild => 0,
+       },
+       gettime => {
+               type => "internal",
+               description => "running in gettime mode",
                safe => 0,
                rebuild => 0,
        },
@@ -451,6 +475,13 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
+       setuptype => {
+               type => "internal",
+               default => "Standard",
+               description => "perl class to use to dump setup file",
+               safe => 0,
+               rebuild => 0,
+       },
        allow_symlinks_before_srcdir => {
                type => "boolean",
                default => 0,
@@ -568,10 +599,11 @@ sub loadplugins () {
        return 1;
 }
 
-sub loadplugin ($) {
+sub loadplugin ($;$) {
        my $plugin=shift;
+       my $force=shift;
 
-       return if grep { $_ eq $plugin} @{$config{disable_plugins}};
+       return if ! $force && grep { $_ eq $plugin} @{$config{disable_plugins}};
 
        foreach my $dir (defined $config{libdir} ? possibly_foolish_untaint($config{libdir}) : undef,
                         "$installdir/lib/ikiwiki") {
@@ -791,6 +823,17 @@ sub prep_writefile ($$) {
                if (-l "$destdir/$test") {
                        error("cannot write to a symlink ($test)");
                }
+               if (-f _ && $test ne $file) {
+                       # Remove conflicting file.
+                       foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
+                               foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+                                       if ($f eq $test) {
+                                               unlink("$destdir/$test");
+                                               last;
+                                       }
+                               }
+                       }
+               }
                $test=dirname($test);
        }
 
@@ -844,10 +887,36 @@ sub will_render ($$;$) {
        my $dest=shift;
        my $clear=shift;
 
-       # Important security check.
+       # Important security check for independently created files.
        if (-e "$config{destdir}/$dest" && ! $config{rebuild} &&
            ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}}, @{$wikistate{editpage}{previews}})) {
-               error("$config{destdir}/$dest independently created, not overwriting with version from $page");
+               my $from_other_page=0;
+               # Expensive, but rarely runs.
+               foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
+                       if (grep {
+                               $_ eq $dest ||
+                               dirname($_) eq $dest
+                           } @{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+                               $from_other_page=1;
+                               last;
+                       }
+               }
+
+               error("$config{destdir}/$dest independently created, not overwriting with version from $page")
+                       unless $from_other_page;
+       }
+
+       # If $dest exists as a directory, remove conflicting files in it
+       # rendered from other pages.
+       if (-d _) {
+               foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
+                       foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+                               if (dirname($f) eq $dest) {
+                                       unlink("$config{destdir}/$f");
+                                       rmdir(dirname("$config{destdir}/$f"));
+                               }
+                       }
+               }
        }
 
        if (! $clear || $cleared{$page}) {
@@ -881,7 +950,7 @@ sub bestlink ($$) {
                $l.="/" if length $l;
                $l.=$link;
 
-               if (exists $links{$l}) {
+               if (exists $pagesources{$l}) {
                        return $l;
                }
                elsif (exists $pagecase{lc $l}) {
@@ -891,7 +960,7 @@ sub bestlink ($$) {
 
        if (length $config{userdir}) {
                my $l = "$config{userdir}/".lc($link);
-               if (exists $links{$l}) {
+               if (exists $pagesources{$l}) {
                        return $l;
                }
                elsif (exists $pagecase{lc $l}) {
@@ -941,7 +1010,12 @@ sub linkpage ($) {
 sub cgiurl (@) {
        my %params=@_;
 
-       return $config{cgiurl}."?".
+       my $cgiurl=$config{cgiurl};
+       if (exists $params{cgiurl}) {
+               $cgiurl=$params{cgiurl};
+               delete $params{cgiurl};
+       }
+       return $cgiurl."?".
                join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params);
 }
 
@@ -969,10 +1043,18 @@ sub abs2rel ($$) {
        return $ret;
 }
 
-sub displaytime ($;$) {
+sub displaytime ($;$$) {
        # Plugins can override this function to mark up the time to
        # display.
-       return '<span class="date">'.formattime(@_).'</span>';
+       my $time=formattime($_[0], $_[1]);
+       if ($config{html5}) {
+               return '<time datetime="'.date_3339($_[0]).'"'.
+                       ($_[2] ? ' pubdate="pubdate"' : '').
+                       '>'.$time.'</time>';
+       }
+       else {
+               return '<span class="date">'.$time.'</span>';
+       }
 }
 
 sub formattime ($;$) {
@@ -988,6 +1070,16 @@ sub formattime ($;$) {
        return decode_utf8(POSIX::strftime($format, localtime($time)));
 }
 
+sub date_3339 ($) {
+       my $time=shift;
+
+       my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
+       POSIX::setlocale(&POSIX::LC_TIME, "C");
+       my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
+       POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
+       return $ret;
+}
+
 sub beautify_urlpath ($) {
        my $url=shift;
 
@@ -1026,6 +1118,15 @@ sub urlto ($$;$) {
        return beautify_urlpath($link);
 }
 
+sub isselflink ($$) {
+       # Plugins can override this function to support special types
+       # of selflinks.
+       my $page=shift;
+       my $link=shift;
+
+        return $page eq $link;
+}
+
 sub htmllink ($$$;@) {
        my $lpage=shift; # the page doing the linking
        my $page=shift; # the page that will contain the link (different for inline)
@@ -1051,21 +1152,23 @@ sub htmllink ($$$;@) {
        }
        
        return "<span class=\"selflink\">$linktext</span>"
-               if length $bestlink && $page eq $bestlink &&
+               if length $bestlink && isselflink($page, $bestlink) &&
                   ! defined $opts{anchor};
        
        if (! $destsources{$bestlink}) {
                $bestlink=htmlpage($bestlink);
 
                if (! $destsources{$bestlink}) {
-                       return $linktext unless length $config{cgiurl};
-                       return "<span class=\"createlink\"><a href=\"".
-                               cgiurl(
-                                       do => "create",
-                                       page => lc($link),
-                                       from => $lpage
-                               ).
-                               "\" rel=\"nofollow\">?</a>$linktext</span>"
+                       my $cgilink = "";
+                       if (length $config{cgiurl}) {
+                               $cgilink = "<a href=\"".
+                                       cgiurl(
+                                               do => "create",
+                                               page => lc($link),
+                                               from => $lpage
+                                       )."\" rel=\"nofollow\">?</a>";
+                       }
+                       return "<span class=\"createlink\">$cgilink$linktext</span>"
                }
        }
        
@@ -1081,16 +1184,20 @@ sub htmllink ($$$;@) {
        }
 
        my @attrs;
-       if (defined $opts{rel}) {
-               push @attrs, ' rel="'.$opts{rel}.'"';
-       }
-       if (defined $opts{class}) {
-               push @attrs, ' class="'.$opts{class}.'"';
+       foreach my $attr (qw{rel class title}) {
+               if (defined $opts{$attr}) {
+                       push @attrs, " $attr=\"$opts{$attr}\"";
+               }
        }
 
        return "<a href=\"$bestlink\"@attrs>$linktext</a>";
 }
 
+sub userpage ($) {
+       my $user=shift;
+       return length $config{userdir} ? "$config{userdir}/$user" : $user;
+}
+
 sub openiduser ($) {
        my $user=shift;
 
@@ -1099,11 +1206,10 @@ sub openiduser ($) {
                my $display;
 
                if (Net::OpenID::VerifiedIdentity->can("DisplayOfURL")) {
-                       # this works in at least 2.x
                        $display = Net::OpenID::VerifiedIdentity::DisplayOfURL($user);
                }
                else {
-                       # this only works in 1.x
+                       # backcompat with old version
                        my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
                        $display=$oid->display;
                }
@@ -1116,7 +1222,7 @@ sub openiduser ($) {
                # Convert "http://somehost.com/user" to "user [somehost.com]".
                # (also "https://somehost.com/user/")
                if ($display !~ /\[/) {
-                       $display=~s/^https?:\/\/(.+)\/([^\/]+)\/?$/$2 [$1]/;
+                       $display=~s/^https?:\/\/(.+)\/([^\/#?]+)\/?(?:[#?].*)?$/$2 [$1]/;
                }
                $display=~s!^https?://!!; # make sure this is removed
                eval q{use CGI 'escapeHTML'};
@@ -1126,23 +1232,6 @@ sub openiduser ($) {
        return;
 }
 
-sub userlink ($) {
-       my $user=shift;
-
-       my $oiduser=eval { openiduser($user) };
-       if (defined $oiduser) {
-               return "<a href=\"$user\">$oiduser</a>";
-       }
-       else {
-               eval q{use CGI 'escapeHTML'};
-               error($@) if $@;
-
-               return htmllink("", "", escapeHTML(
-                       length $config{userdir} ? $config{userdir}."/".$user : $user
-               ), noimageinline => 1);
-       }
-}
-
 sub htmlize ($$$$) {
        my $page=shift;
        my $destpage=shift;
@@ -1150,7 +1239,7 @@ sub htmlize ($$$$) {
        my $content=shift;
        
        my $oneline = $content !~ /\n/;
-
+       
        if (exists $hooks{htmlize}{$type}) {
                $content=$hooks{htmlize}{$type}{call}->(
                        page => $page,
@@ -1171,10 +1260,9 @@ sub htmlize ($$$$) {
        
        if ($oneline) {
                # hack to get rid of enclosing junk added by markdown
-               # and other htmlizers
+               # and other htmlizers/sanitizers
                $content=~s/^<p>//i;
-               $content=~s/<\/p>$//i;
-               chomp $content;
+               $content=~s/<\/p>\n*$//i;
        }
 
        return $content;
@@ -1229,7 +1317,7 @@ sub preprocess ($$$;$$) {
                                (?:
                                        """(.*?)"""     # 2: triple-quoted value
                                |
-                                       "([^"]+)"       # 3: single-quoted value
+                                       "([^"]*?)"      # 3: single-quoted value
                                |
                                        (\S+)           # 4: unquoted value
                                )
@@ -1315,7 +1403,7 @@ sub preprocess ($$$;$$) {
                                        (?:
                                                """.*?"""       # triple-quoted value
                                                |
-                                               "[^"]+"         # single-quoted value
+                                               "[^"]*?"        # single-quoted value
                                                |
                                                [^"\s\]]+       # unquoted value
                                        )
@@ -1338,7 +1426,7 @@ sub preprocess ($$$;$$) {
                                        (?:
                                                """.*?"""       # triple-quoted value
                                                |
-                                               "[^"]+"         # single-quoted value
+                                               "[^"]*?"        # single-quoted value
                                                |
                                                [^"\s\]]+       # unquoted value
                                        )
@@ -1367,10 +1455,6 @@ sub filter ($$$) {
        return $content;
 }
 
-sub indexlink () {
-       return "<a href=\"$config{url}\">$config{wikiname}</a>";
-}
-
 sub check_canedit ($$$;$) {
        my $page=shift;
        my $q=shift;
@@ -1408,7 +1492,7 @@ sub check_content (@) {
                my %old=map { $_ => 1 }
                        split("\n", readfile(srcfile($pagesources{$params{page}})));
                foreach my $line (split("\n", $params{content})) {
-                       push @diff, $line if ! exists $old{$_};
+                       push @diff, $line if ! exists $old{$line};
                }
                $params{diff}=join("\n", @diff);
        }
@@ -1489,7 +1573,7 @@ sub loadindex () {
        if (! $config{rebuild}) {
                %pagesources=%pagemtime=%oldlinks=%links=%depends=
                %destsources=%renderedfiles=%pagecase=%pagestate=
-               %depends_simple=();
+               %depends_simple=%typedlinks=%oldtypedlinks=();
        }
        my $in;
        if (! open ($in, "<", "$config{wikistatedir}/indexdb")) {
@@ -1498,6 +1582,7 @@ sub loadindex () {
                        open ($in, "<", "$config{wikistatedir}/indexdb") || return;
                }
                else {
+                       $config{gettime}=1; # first build
                        return;
                }
        }
@@ -1511,6 +1596,12 @@ sub loadindex () {
        if (exists $index->{version} && ! ref $index->{version}) {
                $pages=$index->{page};
                %wikistate=%{$index->{state}};
+               # Handle plugins that got disabled by loading a new setup.
+               if (exists $config{setupfile}) {
+                       require IkiWiki::Setup;
+                       IkiWiki::Setup::disabled_plugins(
+                               grep { ! $loaded_plugins{$_} } keys %wikistate);
+               }
        }
        else {
                $pages=$index;
@@ -1521,8 +1612,8 @@ sub loadindex () {
                my $d=$pages->{$src};
                my $page=pagename($src);
                $pagectime{$page}=$d->{ctime};
+               $pagesources{$page}=$src;
                if (! $config{rebuild}) {
-                       $pagesources{$page}=$src;
                        $pagemtime{$page}=$d->{mtime};
                        $renderedfiles{$page}=$d->{dest};
                        if (exists $d->{links} && ref $d->{links}) {
@@ -1555,6 +1646,14 @@ sub loadindex () {
                        if (exists $d->{state}) {
                                $pagestate{$page}=$d->{state};
                        }
+                       if (exists $d->{typedlinks}) {
+                               $typedlinks{$page}=$d->{typedlinks};
+
+                               while (my ($type, $links) = each %{$typedlinks{$page}}) {
+                                       next unless %$links;
+                                       $oldtypedlinks{$page}{$type} = {%$links};
+                               }
+                       }
                }
                $oldrenderedfiles{$page}=[@{$d->{dest}}];
        }
@@ -1570,11 +1669,7 @@ sub loadindex () {
 sub saveindex () {
        run_hooks(savestate => sub { shift->() });
 
-       my %hookids;
-       foreach my $type (keys %hooks) {
-               $hookids{$_}=1 foreach keys %{$hooks{$type}};
-       }
-       my @hookids=keys %hookids;
+       my @plugins=keys %loaded_plugins;
 
        if (! -d $config{wikistatedir}) {
                mkdir($config{wikistatedir});
@@ -1603,8 +1698,12 @@ sub saveindex () {
                        $index{page}{$src}{depends_simple} = $depends_simple{$page};
                }
 
+               if (exists $typedlinks{$page} && %{$typedlinks{$page}}) {
+                       $index{page}{$src}{typedlinks} = $typedlinks{$page};
+               }
+
                if (exists $pagestate{$page}) {
-                       foreach my $id (@hookids) {
+                       foreach my $id (@plugins) {
                                foreach my $key (keys %{$pagestate{$page}{$id}}) {
                                        $index{page}{$src}{state}{$id}{$key}=$pagestate{$page}{$id}{$key};
                                }
@@ -1613,7 +1712,8 @@ sub saveindex () {
        }
 
        $index{state}={};
-       foreach my $id (@hookids) {
+       foreach my $id (@plugins) {
+               $index{state}{$id}={}; # used to detect disabled plugins
                foreach my $key (keys %{$wikistate{$id}}) {
                        $index{state}{$id}{$key}=$wikistate{$id}{$key};
                }
@@ -1630,60 +1730,127 @@ sub saveindex () {
 }
 
 sub template_file ($) {
-       my $template=shift;
+       my $name=shift;
+       
+       my $tpage=($name =~ s/^\///) ? $name : "templates/$name";
+       my $template;
+       if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) {
+               $template=srcfile($pagesources{$tpage}, 1);
+               $name.=".tmpl";
+       }
+       else {
+               $template=srcfile($tpage, 1);
+       }
 
-       foreach my $dir ($config{templatedir}, @{$config{templatedirs}},
-                        "$installdir/share/ikiwiki/templates") {
-               return "$dir/$template" if -e "$dir/$template";
+       if (defined $template) {
+               return $template, $tpage, 1 if wantarray;
+               return $template;
+       }
+       else {
+               $name=~s:/::; # avoid path traversal
+               foreach my $dir ($config{templatedir},
+                                "$installdir/share/ikiwiki/templates") {
+                       if (-e "$dir/$name") {
+                               $template="$dir/$name";
+                               last;
+                       }
+               }
+               if (defined $template) {        
+                       return $template, $tpage if wantarray;
+                       return $template;
+               }
        }
+
        return;
 }
 
-sub template_params (@) {
-       my $filename=template_file(shift);
-
-       if (! defined $filename) {
-               return if wantarray;
-               return "";
+sub template_depends ($$;@) {
+       my $name=shift;
+       my $page=shift;
+       
+       my ($filename, $tpage, $untrusted)=template_file($name);
+       if (defined $page && defined $tpage) {
+               add_depends($page, $tpage);
        }
 
-       my @ret=(
+       return unless defined $filename;
+
+       my @opts=(
                filter => sub {
                        my $text_ref = shift;
                        ${$text_ref} = decode_utf8(${$text_ref});
                },
-               filename => $filename,
                loop_context_vars => 1,
                die_on_bad_params => 0,
-               @_
+               filename => $filename,
+               @_,
+               ($untrusted ? (no_includes => 1) : ()),
        );
-       return wantarray ? @ret : {@ret};
+       return @opts if wantarray;
+
+       require HTML::Template;
+       return HTML::Template->new(@opts);
 }
 
 sub template ($;@) {
-       require HTML::Template;
-       return HTML::Template->new(template_params(@_));
+       template_depends(shift, undef, @_);
 }
 
 sub misctemplate ($$;@) {
        my $title=shift;
-       my $pagebody=shift;
+       my $content=shift;
+       my %params=@_;
        
-       my $template=template("misc.tmpl");
+       my $template=template("page.tmpl");
+
+       my $page="";
+       if (exists $params{page}) {
+               $page=delete $params{page};
+       }
+       run_hooks(pagetemplate => sub {
+               shift->(
+                       page => $page,
+                       destpage => $page,
+                       template => $template,
+               );
+       });
+       templateactions($template, "");
+
        $template->param(
+               dynamic => 1,
                title => $title,
-               indexlink => indexlink(),
                wikiname => $config{wikiname},
-               pagebody => $pagebody,
+               content => $content,
                baseurl => baseurl(),
-               @_,
+               html5 => $config{html5},
+               %params,
        );
-       run_hooks(pagetemplate => sub {
-               shift->(page => "", destpage => "", template => $template);
-       });
+       
        return $template->output;
 }
 
+sub templateactions ($$) {
+       my $template=shift;
+       my $page=shift;
+
+       my $have_actions=0;
+       my @actions;
+       run_hooks(pageactions => sub {
+               push @actions, map { { action => $_ } } 
+                       grep { defined } shift->(page => $page);
+       });
+       $template->param(actions => \@actions);
+
+       if ($config{cgiurl} && exists $hooks{auth}) {
+               $template->param(prefsurl => cgiurl(do => "prefs"));
+               $have_actions=1;
+       }
+
+       if ($have_actions || @actions) {
+               $template->param(have_actions => 1);
+       }
+}
+
 sub hook (@) {
        my %param=@_;
        
@@ -1732,11 +1899,11 @@ sub rcs_prepedit ($) {
        $hooks{rcs}{rcs_prepedit}{call}->(@_);
 }
 
-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {
        $hooks{rcs}{rcs_commit}{call}->(@_);
 }
 
-sub rcs_commit_staged ($$$) {
+sub rcs_commit_staged (@) {
        $hooks{rcs}{rcs_commit_staged}{call}->(@_);
 }
 
@@ -1764,6 +1931,10 @@ sub rcs_getctime ($) {
        $hooks{rcs}{rcs_getctime}{call}->(@_);
 }
 
+sub rcs_getmtime ($) {
+       $hooks{rcs}{rcs_getmtime}{call}->(@_);
+}
+
 sub rcs_receive () {
        $hooks{rcs}{rcs_receive}{call}->();
 }
@@ -1780,19 +1951,19 @@ sub add_depends ($$;$) {
                return 1;
        }
 
-       # Analyse the pagespec, and match it against all pages
-       # to get a list of influences, and add explicit dependencies
-       # for those.
-       #my $sub=pagespec_translate($pagespec);
-       #return if $@;
-       #foreach my $p (keys %pagesources) {
-       #       my $r=$sub->($p, location => $page );
-       #       my %i=$r->influences;
-       #       foreach my $i (keys %i) {
-       #               $depends_simple{$page}{lc $i} |= $i{$i};
-       #       }
-       #}
-       print STDERR "warning: use of add_depends by ".caller()."; influences not tracked\n";
+       # Add explicit dependencies for influences.
+       my $sub=pagespec_translate($pagespec);
+       return unless defined $sub;
+       foreach my $p (keys %pagesources) {
+               my $r=$sub->($p, location => $page);
+               my $i=$r->influences;
+               my $static=$r->influences_static;
+               foreach my $k (keys %$i) {
+                       next unless $r || $static || $k eq $page;
+                       $depends_simple{$page}{lc $k} |= $i->{$k};
+               }
+               last if $static;
+       }
 
        $depends{$page}{$pagespec} |= $deptype;
        return 1;
@@ -1814,44 +1985,56 @@ sub deptype (@) {
        return $deptype;
 }
 
-sub file_pruned ($;$) {
+my $file_prune_regexp;
+sub file_pruned ($) {
        my $file=shift;
-       if (@_) {
-               require File::Spec;
-               $file=File::Spec->canonpath($file);
-               my $base=File::Spec->canonpath(shift);
-               return if $file eq $base;
-               $file =~ s#^\Q$base\E/+##;
+
+       if (defined $config{include} && length $config{include}) {
+               return 0 if $file =~ m/$config{include}/;
        }
 
-       my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
-       return $file =~ m/$regexp/;
+       if (! defined $file_prune_regexp) {
+               $file_prune_regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
+               $file_prune_regexp=qr/$file_prune_regexp/;
+       }
+       return $file =~ m/$file_prune_regexp/;
 }
 
 sub define_gettext () {
        # If translation is needed, redefine the gettext function to do it.
        # Otherwise, it becomes a quick no-op.
-       no warnings 'redefine';
+       my $gettext_obj;
+       my $getobj;
        if ((exists $ENV{LANG} && length $ENV{LANG}) ||
            (exists $ENV{LC_ALL} && length $ENV{LC_ALL}) ||
            (exists $ENV{LC_MESSAGES} && length $ENV{LC_MESSAGES})) {
-               *gettext=sub {
-                       my $gettext_obj=eval q{
+               $getobj=sub {
+                       $gettext_obj=eval q{
                                use Locale::gettext q{textdomain};
                                Locale::gettext->domain('ikiwiki')
                        };
-
-                       if ($gettext_obj) {
-                               $gettext_obj->get(shift);
-                       }
-                       else {
-                               return shift;
-                       }
                };
        }
-       else {
-               *gettext=sub { return shift };
-       }
+
+       no warnings 'redefine';
+       *gettext=sub {
+               $getobj->() if $getobj;
+               if ($gettext_obj) {
+                       $gettext_obj->get(shift);
+               }
+               else {
+                       return shift;
+               }
+       };
+       *ngettext=sub {
+               $getobj->() if $getobj;
+               if ($gettext_obj) {
+                       $gettext_obj->nget(@_);
+               }
+               else {
+                       return ($_[2] == 1 ? $_[0] : $_[1])
+               }
+       };
 }
 
 sub gettext {
@@ -1859,6 +2042,11 @@ sub gettext {
        gettext(@_);
 }
 
+sub ngettext {
+       define_gettext();
+       ngettext(@_);
+}
+
 sub yesno ($) {
        my $val=shift;
 
@@ -1890,12 +2078,91 @@ sub inject {
        use warnings;
 }
 
-sub add_link ($$) {
+sub add_link ($$;$) {
        my $page=shift;
        my $link=shift;
+       my $type=shift;
 
        push @{$links{$page}}, $link
                unless grep { $_ eq $link } @{$links{$page}};
+
+       if (defined $type) {
+               $typedlinks{$page}{$type}{$link} = 1;
+       }
+}
+
+sub add_autofile ($$$) {
+       my $file=shift;
+       my $plugin=shift;
+       my $generator=shift;
+       
+       $autofiles{$file}{plugin}=$plugin;
+       $autofiles{$file}{generator}=$generator;
+}
+
+sub sortspec_translate ($$) {
+       my $spec = shift;
+       my $reverse = shift;
+
+       my $code = "";
+       my @data;
+       while ($spec =~ m{
+               \s*
+               (-?)            # group 1: perhaps negated
+               \s*
+               (               # group 2: a word
+                       \w+\([^\)]*\)   # command(params)
+                       |
+                       [^\s]+          # or anything else
+               )
+               \s*
+       }gx) {
+               my $negated = $1;
+               my $word = $2;
+               my $params = undef;
+
+               if ($word =~ m/^(\w+)\((.*)\)$/) {
+                       # command with parameters
+                       $params = $2;
+                       $word = $1;
+               }
+               elsif ($word !~ m/^\w+$/) {
+                       error(sprintf(gettext("invalid sort type %s"), $word));
+               }
+
+               if (length $code) {
+                       $code .= " || ";
+               }
+
+               if ($negated) {
+                       $code .= "-";
+               }
+
+               if (exists $IkiWiki::SortSpec::{"cmp_$word"}) {
+                       if (defined $params) {
+                               push @data, $params;
+                               $code .= "IkiWiki::SortSpec::cmp_$word(\$data[$#data])";
+                       }
+                       else {
+                               $code .= "IkiWiki::SortSpec::cmp_$word(undef)";
+                       }
+               }
+               else {
+                       error(sprintf(gettext("unknown sort type %s"), $word));
+               }
+       }
+
+       if (! length $code) {
+               # undefined sorting method... sort arbitrarily
+               return sub { 0 };
+       }
+
+       if ($reverse) {
+               $code="-($code)";
+       }
+
+       no warnings;
+       return eval 'sub { '.$code.' }';
 }
 
 sub pagespec_translate ($) {
@@ -1965,7 +2232,7 @@ sub pagespec_match ($$;@) {
 
        my $sub=pagespec_translate($spec);
        return IkiWiki::ErrorReason->new("syntax error in pagespec \"$spec\"")
-               if $@ || ! defined $sub;
+               if ! defined $sub;
        return $sub->($page, @params);
 }
 
@@ -1983,7 +2250,9 @@ sub pagespec_match_list ($$;@) {
 
        my $sub=pagespec_translate($pagespec);
        error "syntax error in pagespec \"$pagespec\""
-               if $@ || ! defined $sub;
+               if ! defined $sub;
+       my $sort=sortspec_translate($params{sort}, $params{reverse})
+               if defined $params{sort};
 
        my @candidates;
        if (exists $params{list}) {
@@ -1996,84 +2265,58 @@ sub pagespec_match_list ($$;@) {
                        ? grep { ! $params{filter}->($_) } keys %pagesources
                        : keys %pagesources;
        }
-
-       if (defined $params{sort}) {
-               my $f;
-               if ($params{sort} eq 'title') {
-                       $f=sub { pagetitle(basename($a)) cmp pagetitle(basename($b)) };
-               }
-               elsif ($params{sort} eq 'title_natural') {
-                       eval q{use Sort::Naturally};
-                       if ($@) {
-                               error(gettext("Sort::Naturally needed for title_natural sort"));
-                       }
-                       $f=sub { Sort::Naturally::ncmp(pagetitle(basename($a)), pagetitle(basename($b))) };
-                }
-               elsif ($params{sort} eq 'mtime') {
-                       $f=sub { $pagemtime{$b} <=> $pagemtime{$a} };
-               }
-               elsif ($params{sort} eq 'age') {
-                       $f=sub { $pagectime{$b} <=> $pagectime{$a} };
-               }
-               else {
-                       error sprintf(gettext("unknown sort type %s"), $params{sort});
-               }
-               @candidates = sort { &$f } @candidates;
-       }
-
-       @candidates=reverse(@candidates) if $params{reverse};
-       
-       $depends{$page}{$pagespec} |= ($params{deptype} || $DEPEND_CONTENT);
        
        # clear params, remainder is passed to pagespec
+       $depends{$page}{$pagespec} |= ($params{deptype} || $DEPEND_CONTENT);
        my $num=$params{num};
        delete @params{qw{num deptype reverse sort filter list}};
        
+       # when only the top matches will be returned, it's efficient to
+       # sort before matching to pagespec,
+       if (defined $num && defined $sort) {
+               @candidates=IkiWiki::SortSpec::sort_pages(
+                       $sort, @candidates);
+       }
+       
        my @matches;
        my $firstfail;
        my $count=0;
+       my $accum=IkiWiki::SuccessReason->new();
        foreach my $p (@candidates) {
                my $r=$sub->($p, %params, location => $page);
+               error(sprintf(gettext("cannot match pages: %s"), $r))
+                       if $r->isa("IkiWiki::ErrorReason");
+               unless ($r || $r->influences_static) {
+                       $r->remove_influence($p);
+               }
+               $accum |= $r;
                if ($r) {
-                       push @matches, [$p, $r];
+                       push @matches, $p;
                        last if defined $num && ++$count == $num;
                }
-               elsif (! defined $firstfail) {
-                       $firstfail=$r;
-               }
        }
 
-       my @ret;
-       if (@matches) {
-               # Add all influences from successful matches.
-               foreach my $m (@matches) {
-                       push @ret, $m->[0];
-                       my %i=$m->[1]->influences;
-                       foreach my $i (keys %i) {
-                               $depends_simple{$page}{lc $i} |= $i{$i};
-                       }
-               }
+       # Add simple dependencies for accumulated influences.
+       my $i=$accum->influences;
+       foreach my $k (keys %$i) {
+               $depends_simple{$page}{lc $k} |= $i->{$k};
        }
-       elsif (defined $firstfail) {
-               # Add influences from one failure. (Which one should not
-               # matter; all should have the same influences.)
-               my %i=$firstfail->influences;
-               foreach my $i (keys %i) {
-                       $depends_simple{$page}{lc $i} |= $i{$i};
-               }
 
-               error(sprintf(gettext("cannot match pages: %s"), $firstfail))
-                       if $firstfail->isa("IkiWiki::ErrorReason");
+       # when all matches will be returned, it's efficient to
+       # sort after matching
+       if (! defined $num && defined $sort) {
+               return IkiWiki::SortSpec::sort_pages(
+                       $sort, @matches);
+       }
+       else {
+               return @matches;
        }
-
-       return @ret;
 }
 
 sub pagespec_valid ($) {
        my $spec=shift;
 
-       my $sub=pagespec_translate($spec);
-       return ! $@;
+       return defined pagespec_translate($spec);
 }
 
 sub glob2re ($) {
@@ -2089,7 +2332,7 @@ use overload (
        '""'    => sub { $_[0][0] },
        '0+'    => sub { 0 },
        '!'     => sub { bless $_[0], 'IkiWiki::SuccessReason'},
-       '&'     => sub { $_[0]->merge_influences($_[1]); $_[0] },
+       '&'     => sub { $_[0]->merge_influences($_[1], 1); $_[0] },
        '|'     => sub { $_[1]->merge_influences($_[0]); $_[1] },
        fallback => 1,
 );
@@ -2102,7 +2345,7 @@ use overload (
        '""'    => sub { $_[0][0] },
        '0+'    => sub { 1 },
        '!'     => sub { bless $_[0], 'IkiWiki::FailReason'},
-       '&'     => sub { $_[1]->merge_influences($_[0]); $_[1] },
+       '&'     => sub { $_[1]->merge_influences($_[0], 1); $_[1] },
        '|'     => sub { $_[0]->merge_influences($_[1]); $_[0] },
        fallback => 1,
 );
@@ -2115,22 +2358,40 @@ sub new {
 
 sub influences {
        my $this=shift;
-       if (! @_) {
-               return %{$this->[1]};
-       }
-       else {
-               $this->[1]={@_};
-       }
+       $this->[1]={@_} if @_;
+       my %i=%{$this->[1]};
+       delete $i{""};
+       return \%i;
+}
+
+sub influences_static {
+       return ! $_[0][1]->{""};
 }
 
 sub merge_influences {
        my $this=shift;
        my $other=shift;
-       foreach my $influence (keys %{$other->[1]}) {
-               $this->[1]{$influence} |= $other->[1]{$influence};
+       my $anded=shift;
+
+       if (! $anded || (($this || %{$this->[1]}) &&
+                        ($other || %{$other->[1]}))) {
+               foreach my $influence (keys %{$other->[1]}) {
+                       $this->[1]{$influence} |= $other->[1]{$influence};
+               }
+       }
+       else {
+               # influence blocker
+               $this->[1]={};
        }
 }
 
+sub remove_influence {
+       my $this=shift;
+       my $torm=shift;
+
+       delete $this->[1]{$torm};
+}
+
 package IkiWiki::ErrorReason;
 
 our @ISA = 'IkiWiki::FailReason';
@@ -2144,7 +2405,7 @@ sub derel ($$) {
        if ($path =~ m!^\./!) {
                $from=~s#/?[^/]+$## if defined $from;
                $path=~s#^\./##;
-               $path="$from/$path" if length $from;
+               $path="$from/$path" if defined $from && length $from;
        }
 
        return $path;
@@ -2172,7 +2433,22 @@ sub match_glob ($$;@) {
 }
 
 sub match_internal ($$;@) {
-       return match_glob($_[0], $_[1], @_, internal => 1)
+       return match_glob(shift, shift, @_, internal => 1)
+}
+
+sub match_page ($$;@) {
+       my $page=shift;
+       my $match=match_glob($page, shift, @_);
+       if ($match) {
+               my $source=exists $IkiWiki::pagesources{$page} ?
+                       $IkiWiki::pagesources{$page} :
+                       $IkiWiki::delpagesources{$page};
+               my $type=defined $source ? IkiWiki::pagetype($source) : undef;
+               if (! defined $type) {  
+                       return IkiWiki::FailReason->new("$page is not a page");
+               }
+       }
+       return $match;
 }
 
 sub match_link ($$;@) {
@@ -2182,26 +2458,36 @@ sub match_link ($$;@) {
 
        $link=derel($link, $params{location});
        my $from=exists $params{location} ? $params{location} : '';
+       my $linktype=$params{linktype};
+       my $qualifier='';
+       if (defined $linktype) {
+               $qualifier=" with type $linktype";
+       }
 
        my $links = $IkiWiki::links{$page};
-       return IkiWiki::FailReason->new("$page has no links")
+       return IkiWiki::FailReason->new("$page has no links", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
                unless $links && @{$links};
        my $bestlink = IkiWiki::bestlink($from, $link);
        foreach my $p (@{$links}) {
+               next unless (! defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p});
+
                if (length $bestlink) {
-                       return IkiWiki::SuccessReason->new("$page links to $link", $page => $IkiWiki::DEPEND_LINKS)
-                               if $bestlink eq IkiWiki::bestlink($page, $p);
+                       if ($bestlink eq IkiWiki::bestlink($page, $p)) {
+                               return IkiWiki::SuccessReason->new("$page links to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+                       }
                }
                else {
-                       return IkiWiki::SuccessReason->new("$page links to page $p matching $link", $page => $IkiWiki::DEPEND_LINKS)
-                               if match_glob($p, $link, %params);
+                       if (match_glob($p, $link, %params)) {
+                               return IkiWiki::SuccessReason->new("$page links to page $p$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+                       }
                        my ($p_rel)=$p=~/^\/?(.*)/;
                        $link=~s/^\///;
-                       return IkiWiki::SuccessReason->new("$page links to page $p_rel matching $link", $page => $IkiWiki::DEPEND_LINKS)
-                               if match_glob($p_rel, $link, %params);
+                       if (match_glob($p_rel, $link, %params)) {
+                               return IkiWiki::SuccessReason->new("$page links to page $p_rel$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
+                       }
                }
        }
-       return IkiWiki::FailReason->new("$page does not link to $link");
+       return IkiWiki::FailReason->new("$page does not link to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1);
 }
 
 sub match_backlink ($$;@) {
@@ -2251,7 +2537,7 @@ sub match_created_after ($$;@) {
 }
 
 sub match_creation_day ($$;@) {
-       if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) {
+       if ((localtime($IkiWiki::pagectime{shift()}))[3] == shift) {
                return IkiWiki::SuccessReason->new('creation_day matched');
        }
        else {
@@ -2260,7 +2546,7 @@ sub match_creation_day ($$;@) {
 }
 
 sub match_creation_month ($$;@) {
-       if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
+       if ((localtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
                return IkiWiki::SuccessReason->new('creation_month matched');
        }
        else {
@@ -2269,7 +2555,7 @@ sub match_creation_month ($$;@) {
 }
 
 sub match_creation_year ($$;@) {
-       if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) {
+       if ((localtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) {
                return IkiWiki::SuccessReason->new('creation_year matched');
        }
        else {
@@ -2282,11 +2568,13 @@ sub match_user ($$;@) {
        my $user=shift;
        my %params=@_;
        
+       my $regexp=IkiWiki::glob2re($user);
+       
        if (! exists $params{user}) {
                return IkiWiki::ErrorReason->new("no user specified");
        }
 
-       if (defined $params{user} && lc $params{user} eq lc $user) {
+       if (defined $params{user} && $params{user}=~/^$regexp$/i) {
                return IkiWiki::SuccessReason->new("user is $user");
        }
        elsif (! defined $params{user}) {
@@ -2334,4 +2622,22 @@ sub match_ip ($$;@) {
        }
 }
 
+package IkiWiki::SortSpec;
+
+# This is in the SortSpec namespace so that the $a and $b that sort() uses
+# are easily available in this namespace, for cmp functions to use them.
+sub sort_pages {
+       my $f=shift;
+       sort $f @_
+}
+
+sub cmp_title {
+       IkiWiki::pagetitle(IkiWiki::basename($a))
+       cmp
+       IkiWiki::pagetitle(IkiWiki::basename($b))
+}
+
+sub cmp_mtime { $IkiWiki::pagemtime{$b} <=> $IkiWiki::pagemtime{$a} }
+sub cmp_age { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} }
+
 1