X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/ff2aa982c3af4aede9ff0fdeafc617e0d3b15392..b86276ffed7ee001b35cd610e5d56e5afb4088cf:/IkiWiki.pm?ds=sidebyside

diff --git a/IkiWiki.pm b/IkiWiki.pm
index b895e12fc..a89c14058 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -7,7 +7,7 @@ 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};
 
@@ -17,11 +17,12 @@ use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase
 	    %forcerebuild %loaded_plugins};
 
 use Exporter q{import};
-our @EXPORT = qw(hook debug error template htmlpage 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
+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 ngettext urlto targetpage
+		 add_underlay pagetitle titlepage linkpage newpagefile
+		 inject add_link
                  %config %links %pagestate %wikistate %renderedfiles
                  %pagesources %destsources);
 our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
@@ -36,8 +37,8 @@ our $DEPEND_LINKS=4;
 # Optimisation.
 use Memoize;
 memoize("abs2rel");
+memoize("cmpspec_translate");
 memoize("pagespec_translate");
-memoize("file_pruned");
 memoize("template_file");
 
 sub getsetup () {
@@ -334,11 +335,20 @@ 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,
@@ -409,6 +419,13 @@ 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,
@@ -451,6 +468,13 @@ 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,
@@ -881,7 +905,7 @@ 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 +915,7 @@ 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 $l}) {
@@ -941,7 +965,12 @@ sub linkpage ($) {
 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);
 }
 
@@ -1081,16 +1110,20 @@ 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 +1132,10 @@ 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 +1148,7 @@ 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]/;
 		}
 		$display=~s!^https?://!!; # make sure this is removed
 		eval q{use CGI 'escapeHTML'};
@@ -1126,23 +1158,6 @@ sub openiduser ($) {
 	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 ($$$$) {
 	my $page=shift;
 	my $destpage=shift;
@@ -1229,7 +1244,7 @@ sub preprocess ($$$;$$) {
 				(?:
 					"""(.*?)"""	# 2: triple-quoted value
 				|
-					"([^"]+)"	# 3: single-quoted value
+					"([^"]*?)"	# 3: single-quoted value
 				|
 					(\S+)		# 4: unquoted value
 				)
@@ -1315,7 +1330,7 @@ sub preprocess ($$$;$$) {
 					(?:
 						""".*?"""	# triple-quoted value
 						|
-						"[^"]+"		# single-quoted value
+						"[^"]*?"	# single-quoted value
 						|
 						[^"\s\]]+	# unquoted value
 					)
@@ -1338,7 +1353,7 @@ sub preprocess ($$$;$$) {
 					(?:
 						""".*?"""	# triple-quoted value
 						|
-						"[^"]+"		# single-quoted value
+						"[^"]*?"	# single-quoted value
 						|
 						[^"\s\]]+	# unquoted value
 					)
@@ -1408,7 +1423,7 @@ 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);
 	}
@@ -1536,7 +1551,7 @@ sub loadindex () {
 				};
 			}
 			elsif (exists $d->{depends_simple}) {
-				$depends{$page}=$d->{depends_simple};
+				$depends_simple{$page}=$d->{depends_simple};
 			}
 			if (exists $d->{dependslist}) {
 				# old format
@@ -1768,76 +1783,107 @@ sub rcs_receive () {
 	$hooks{rcs}{rcs_receive}{call}->();
 }
 
-sub add_depends ($$;@) {
+sub add_depends ($$;$) {
 	my $page=shift;
 	my $pagespec=shift;
+	my $deptype=shift || $DEPEND_CONTENT;
 
 	# Is the pagespec a simple page name?
-	my $simple=$pagespec =~ /$config{wiki_file_regexp}/ &&
-		$pagespec !~ /[\s*?()!]/;
-
-	my $deptype=$DEPEND_CONTENT;
-	if (@_) {
-		my %params=@_;
-		
-		# Is the pagespec limited to terms that will continue
-		# to match pages as long as those pages exist?
-		my $limited=1;
-		while ($limited && $pagespec=~m/(\w+)\([^\)]*\)/g) {
-			$limited = $1 =~ /^(glob|internal|creation_month|creation_day|creation_year|created_before|created_after)$/;
-		}
-
-		$deptype=$deptype & ~$DEPEND_CONTENT | $DEPEND_PRESENCE
-			if $params{presence} && $limited;
-		$deptype=$deptype & ~$DEPEND_CONTENT | $DEPEND_LINKS
-			if $params{links} && $limited;
-	}
-
-	if ($simple) {
+	if ($pagespec =~ /$config{wiki_file_regexp}/ &&
+	    $pagespec !~ /[\s*?()!]/) {
 		$depends_simple{$page}{lc $pagespec} |= $deptype;
 		return 1;
 	}
 
-	return unless pagespec_valid($pagespec);
+	# Add explicit dependencies for influences.
+	my $sub=pagespec_translate($pagespec);
+	return if $@;
+	foreach my $p (keys %pagesources) {
+		my $r=$sub->($p, location => $page);
+		my $i=$r->influences;
+		foreach my $k (keys %$i) {
+			$depends_simple{$page}{lc $k} |= $i->{$k};
+		}
+		last if $r->influences_static;
+	}
 
 	$depends{$page}{$pagespec} |= $deptype;
 	return 1;
 }
 
-sub file_pruned ($$) {
-	require File::Spec;
-	my $file=File::Spec->canonpath(shift);
-	my $base=File::Spec->canonpath(shift);
-	$file =~ s#^\Q$base\E/+##;
+sub deptype (@) {
+	my $deptype=0;
+	foreach my $type (@_) {
+		if ($type eq 'presence') {
+			$deptype |= $DEPEND_PRESENCE;
+		}
+		elsif ($type eq 'links') { 
+			$deptype |= $DEPEND_LINKS;
+		}
+		elsif ($type eq 'content') {
+			$deptype |= $DEPEND_CONTENT;
+		}
+	}
+	return $deptype;
+}
+
+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/+##;
+	}
 
-	my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
-	return $file =~ m/$regexp/ && $file ne $base;
+	if (defined $config{include} && length $config{include}) {
+		return 0 if $file =~ m/$config{include}/;
+	}
+
+	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 {
@@ -1845,6 +1891,11 @@ sub gettext {
 	gettext(@_);
 }
 
+sub ngettext {
+	define_gettext();
+	ngettext(@_);
+}
+
 sub yesno ($) {
 	my $val=shift;
 
@@ -1884,6 +1935,70 @@ sub add_link ($$) {
 		unless grep { $_ eq $link } @{$links{$page}};
 }
 
+sub cmpspec_translate ($) {
+	my $spec = 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 $IkiWiki::PageSpec::{"cmp_$word"}) {
+			if (exists $IkiWiki::PageSpec::{"check_cmp_$word"}) {
+				$IkiWiki::PageSpec::{"check_cmp_$word"}->($params);
+			}
+
+			if (defined $params) {
+				push @data, $params;
+				$code .= "IkiWiki::PageSpec::cmp_$word(\@_, \$data[$#data])";
+			}
+			else {
+				$code .= "IkiWiki::PageSpec::cmp_$word(\@_, undef)";
+			}
+		}
+		else {
+			error(sprintf(gettext("unknown sort type %s"), $word));
+		}
+	}
+
+	if (! length $code) {
+		# undefined sorting method... sort arbitrarily
+		return sub { 0 };
+	}
+
+	no warnings;
+	return eval 'sub { '.$code.' }';
+}
+
 sub pagespec_translate ($) {
 	my $spec=shift;
 
@@ -1907,10 +2022,10 @@ sub pagespec_translate ($) {
 	}gx) {
 		my $word=$1;
 		if (lc $word eq 'and') {
-			$code.=' &&';
+			$code.=' &';
 		}
 		elsif (lc $word eq 'or') {
-			$code.=' ||';
+			$code.=' |';
 		}
 		elsif ($word eq "(" || $word eq ")" || $word eq "!") {
 			$code.=' '.$word;
@@ -1956,27 +2071,69 @@ sub pagespec_match ($$;@) {
 }
 
 sub pagespec_match_list ($$;@) {
-	my $pages=shift;
-	my $spec=shift;
-	my @params=@_;
+	my $page=shift;
+	my $pagespec=shift;
+	my %params=@_;
 
-	my $sub=pagespec_translate($spec);
-	error "syntax error in pagespec \"$spec\""
-		if $@ || ! defined $sub;
-	
-	my @ret;
-	my $r;
-	foreach my $page (@$pages) {
-		$r=$sub->($page, @params);
-		push @ret, $page if $r;
+	# Backwards compatability with old calling convention.
+	if (ref $page) {
+		print STDERR "warning: a plugin (".caller().") is using pagespec_match_list in an obsolete way, and needs to be updated\n";
+		$params{list}=$page;
+		$page=$params{location}; # ugh!
 	}
 
-	if (! @ret && defined $r && $r->isa("IkiWiki::ErrorReason")) {
-		error(sprintf(gettext("cannot match pages: %s"), $r));
+	my $sub=pagespec_translate($pagespec);
+	error "syntax error in pagespec \"$pagespec\""
+		if $@ || ! defined $sub;
+
+	my @candidates;
+	if (exists $params{list}) {
+		@candidates=exists $params{filter}
+			? grep { ! $params{filter}->($_) } @{$params{list}}
+			: @{$params{list}};
 	}
 	else {
-		return @ret;
+		@candidates=exists $params{filter}
+			? grep { ! $params{filter}->($_) } keys %pagesources
+			: keys %pagesources;
+	}
+
+	if (defined $params{sort}) {
+		my $f = cmpspec_translate($params{sort});
+
+		@candidates = sort { $f->($a, $b) } @candidates;
 	}
+
+	@candidates=reverse(@candidates) if $params{reverse};
+	
+	$depends{$page}{$pagespec} |= ($params{deptype} || $DEPEND_CONTENT);
+	
+	# clear params, remainder is passed to pagespec
+	my $num=$params{num};
+	delete @params{qw{num deptype reverse sort filter list}};
+	
+	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");
+		$accum |= $r;
+		if ($r) {
+			push @matches, $p;
+			last if defined $num && ++$count == $num;
+		}
+	}
+
+	# Add simple dependencies for accumulated influences.
+	my $i=$accum->influences;
+	foreach my $k (keys %$i) {
+		$depends_simple{$page}{lc $k} |= $i->{$k};
+	}
+
+	return @matches;
 }
 
 sub pagespec_valid ($) {
@@ -1996,36 +2153,65 @@ sub glob2re ($) {
 package IkiWiki::FailReason;
 
 use overload (
-	'""'	=> sub { ${$_[0]} },
+	'""'	=> sub { $_[0][0] },
 	'0+'	=> sub { 0 },
 	'!'	=> sub { bless $_[0], 'IkiWiki::SuccessReason'},
+	'&'	=> sub { $_[0]->merge_influences($_[1], 1); $_[0] },
+	'|'	=> sub { $_[1]->merge_influences($_[0]); $_[1] },
 	fallback => 1,
 );
 
-sub new {
-	my $class = shift;
-	my $value = shift;
-	return bless \$value, $class;
-}
-
-package IkiWiki::ErrorReason;
-
-our @ISA = 'IkiWiki::FailReason';
+our @ISA = 'IkiWiki::SuccessReason';
 
 package IkiWiki::SuccessReason;
 
 use overload (
-	'""'	=> sub { ${$_[0]} },
+	'""'	=> sub { $_[0][0] },
 	'0+'	=> sub { 1 },
 	'!'	=> sub { bless $_[0], 'IkiWiki::FailReason'},
+	'&'	=> sub { $_[1]->merge_influences($_[0], 1); $_[1] },
+	'|'	=> sub { $_[0]->merge_influences($_[1]); $_[0] },
 	fallback => 1,
 );
 
 sub new {
 	my $class = shift;
 	my $value = shift;
-	return bless \$value, $class;
-};
+	return bless [$value, {@_}], $class;
+}
+
+sub influences {
+	my $this=shift;
+	$this->[1]={@_} if @_;
+	my %i=%{$this->[1]};
+	delete $i{""};
+	return \%i;
+}
+
+sub influences_static {
+	return ! $_[0][1]->{""};
+}
+
+sub merge_influences {
+	my $this=shift;
+	my $other=shift;
+	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]={};
+	}
+}
+
+package IkiWiki::ErrorReason;
+
+our @ISA = 'IkiWiki::FailReason';
 
 package IkiWiki::PageSpec;
 
@@ -2076,27 +2262,30 @@ sub match_link ($$;@) {
 	my $from=exists $params{location} ? $params{location} : '';
 
 	my $links = $IkiWiki::links{$page};
-	return IkiWiki::FailReason->new("$page has no links") unless $links && @{$links};
+	return IkiWiki::FailReason->new("$page has no links", "" => 1)
+		unless $links && @{$links};
 	my $bestlink = IkiWiki::bestlink($from, $link);
 	foreach my $p (@{$links}) {
 		if (length $bestlink) {
-			return IkiWiki::SuccessReason->new("$page links to $link")
+			return IkiWiki::SuccessReason->new("$page links to $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
 				if $bestlink eq IkiWiki::bestlink($page, $p);
 		}
 		else {
-			return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
+			return IkiWiki::SuccessReason->new("$page links to page $p matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
 				if match_glob($p, $link, %params);
 			my ($p_rel)=$p=~/^\/?(.*)/;
 			$link=~s/^\///;
-			return IkiWiki::SuccessReason->new("$page links to page $p_rel matching $link")
+			return IkiWiki::SuccessReason->new("$page links to page $p_rel matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1)
 				if match_glob($p_rel, $link, %params);
 		}
 	}
-	return IkiWiki::FailReason->new("$page does not link to $link");
+	return IkiWiki::FailReason->new("$page does not link to $link", "" => 1);
 }
 
 sub match_backlink ($$;@) {
-	return match_link($_[1], $_[0], @_);
+	my $ret=match_link($_[1], $_[0], @_);
+	$ret->influences($_[1] => $IkiWiki::DEPEND_LINKS);
+	return $ret;
 }
 
 sub match_created_before ($$;@) {
@@ -2108,14 +2297,14 @@ sub match_created_before ($$;@) {
 
 	if (exists $IkiWiki::pagectime{$testpage}) {
 		if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) {
-			return IkiWiki::SuccessReason->new("$page created before $testpage");
+			return IkiWiki::SuccessReason->new("$page created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
 		}
 		else {
-			return IkiWiki::FailReason->new("$page not created before $testpage");
+			return IkiWiki::FailReason->new("$page not created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
 		}
 	}
 	else {
-		return IkiWiki::ErrorReason->new("$testpage does not exist");
+		return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE);
 	}
 }
 
@@ -2128,14 +2317,14 @@ sub match_created_after ($$;@) {
 
 	if (exists $IkiWiki::pagectime{$testpage}) {
 		if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) {
-			return IkiWiki::SuccessReason->new("$page created after $testpage");
+			return IkiWiki::SuccessReason->new("$page created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
 		}
 		else {
-			return IkiWiki::FailReason->new("$page not created after $testpage");
+			return IkiWiki::FailReason->new("$page not created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE);
 		}
 	}
 	else {
-		return IkiWiki::ErrorReason->new("$testpage does not exist");
+		return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE);
 	}
 }
 
@@ -2171,11 +2360,13 @@ 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}) {
@@ -2223,4 +2414,24 @@ sub match_ip ($$;@) {
 	}
 }
 
+sub cmp_title {
+	IkiWiki::pagetitle(IkiWiki::basename($_[0]))
+	cmp
+	IkiWiki::pagetitle(IkiWiki::basename($_[1]))
+}
+
+sub cmp_mtime { $IkiWiki::pagemtime{$_[1]} <=> $IkiWiki::pagemtime{$_[0]} }
+sub cmp_age { $IkiWiki::pagectime{$_[1]} <=> $IkiWiki::pagectime{$_[0]} }
+
+sub check_cmp_title_natural {
+	eval q{use Sort::Naturally};
+	if ($@) {
+		error(gettext("Sort::Naturally needed for title_natural sort"));
+	}
+}
+sub cmp_title_natural {
+	Sort::Naturally::ncmp(IkiWiki::pagetitle(IkiWiki::basename($_[0])),
+		IkiWiki::pagetitle(IkiWiki::basename($_[1])))
+}
+
 1