10 my (%backlinks, %rendered);
12 my $links_calculated=0;
14 sub calculate_links () {
15 return if $links_calculated;
16 %backlinks=%brokenlinks=();
17 foreach my $page (keys %links) {
18 foreach my $link (@{$links{$page}}) {
19 my $bestlink=bestlink($page, $link);
20 if (length $bestlink) {
21 $backlinks{$bestlink}{$page}=1
22 if $bestlink ne $page;
25 push @{$brokenlinks{$link}}, $page;
32 sub backlink_pages ($) {
37 return keys %{$backlinks{$page}};
44 foreach my $p (backlink_pages($page)) {
45 my $href=urlto($p, $page);
47 # Trim common dir prefixes from both pages.
49 my $page_trimmed=$page;
51 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
53 $p_trimmed=~s/^\Q$dir\E// &&
54 $page_trimmed=~s/^\Q$dir\E//;
56 push @links, { url => $href, page => pagetitle($p_trimmed) };
65 run_hooks(postscan => sub {
66 shift->(page => $page, content => $content);
70 run_hooks(templatefile => sub {
71 return if defined $templatefile;
72 my $file=shift->(page => $page);
73 if (defined $file && defined template_file($file)) {
77 my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
80 if (length $config{cgiurl}) {
81 if (IkiWiki->can("cgi_editpage")) {
82 $template->param(editurl => cgiurl(do => "edit", page => $page));
85 if (exists $hooks{auth}) {
86 $template->param(prefsurl => cgiurl(do => "prefs"));
91 if (defined $config{historyurl} && length $config{historyurl}) {
92 my $u=$config{historyurl};
93 $u=~s/\[\[file\]\]/$pagesources{$page}/g;
94 $template->param(historyurl => $u);
97 if ($config{discussion}) {
98 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
99 (length $config{cgiurl} ||
100 exists $links{$page."/".$config{discussionpage}})) {
101 $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
107 $template->param(have_actions => 1);
110 my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
111 my ($backlinks, $more_backlinks);
112 if (@backlinks <= $config{numbacklinks} || ! $config{numbacklinks}) {
113 $backlinks=\@backlinks;
117 $backlinks=[@backlinks[0..$config{numbacklinks}-1]];
118 $more_backlinks=[@backlinks[$config{numbacklinks}..$#backlinks]];
122 title => $page eq 'index'
124 : pagetitle(basename($page)),
125 wikiname => $config{wikiname},
127 backlinks => $backlinks,
128 more_backlinks => $more_backlinks,
129 mtime => displaytime($pagemtime{$page}),
130 ctime => displaytime($pagectime{$page}),
131 baseurl => baseurl($page),
134 run_hooks(pagetemplate => sub {
135 shift->(page => $page, destpage => $page, template => $template);
138 $content=$template->output;
140 run_hooks(format => sub {
153 debug(sprintf(gettext("scanning %s"), $file));
155 my $type=pagetype($file);
157 my $srcfile=srcfile($file);
158 my $content=readfile($srcfile);
159 my $page=pagename($file);
160 will_render($page, htmlpage($page), 1);
162 if ($config{discussion}) {
163 # Discussion links are a special case since they're
164 # not in the text of the page, but on its template.
165 $links{$page}=[ $page."/".lc($config{discussionpage}) ];
171 run_hooks(scan => sub {
178 # Preprocess in scan-only mode.
179 preprocess($page, $page, $content, 1);
182 will_render($file, $file, 1);
186 sub fast_file_copy (@) {
194 my ($len, $buf, $written);
195 while ($len = sysread $srcfd, $buf, $blksize) {
196 if (! defined $len) {
197 next if $! =~ /^Interrupted/;
198 error("failed to read $srcfile: $!", $cleanup);
202 defined($written = syswrite $destfd, $buf, $len, $offset)
203 or error("failed to write $destfile: $!", $cleanup);
212 return if $rendered{$file};
216 my $type=pagetype($file);
217 my $srcfile=srcfile($file);
219 my $page=pagename($file);
220 delete $depends{$page};
221 delete $depends_simple{$page};
222 will_render($page, htmlpage($page), 1);
223 return if $type=~/^_/;
225 my $content=htmlize($page, $page, $type,
226 linkify($page, $page,
227 preprocess($page, $page,
229 readfile($srcfile)))));
231 my $output=htmlpage($page);
232 writefile($output, $config{destdir}, genpage($page, $content));
235 delete $depends{$file};
236 delete $depends_simple{$file};
237 will_render($file, $file, 1);
239 if ($config{hardlink}) {
240 # only hardlink if owned by same user
241 my @stat=stat($srcfile);
242 if ($stat[4] == $>) {
243 prep_writefile($file, $config{destdir});
244 unlink($config{destdir}."/".$file);
245 if (link($srcfile, $config{destdir}."/".$file)) {
249 # if hardlink fails, fall back to copying
252 my $srcfd=readfile($srcfile, 1, 1);
253 writefile($file, $config{destdir}, undef, 1, sub {
254 fast_file_copy($srcfile, $file, $srcfd, @_);
263 my $dir=dirname($file);
264 while (rmdir($dir)) {
269 sub srcdir_check () {
270 # security check, avoid following symlinks in the srcdir path by default
271 my $test=$config{srcdir};
272 while (length $test) {
273 if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
274 error(sprintf(gettext("symlink found in srcdir path (%s) -- set allow_symlinks_before_srcdir to allow this"), $test));
276 unless ($test=~s/\/+$//) {
277 $test=dirname($test);
283 sub find_src_files () {
286 eval q{use File::Find};
291 my $file=decode_utf8($_);
292 $file=~s/^\Q$config{srcdir}\E\/?//;
293 return if -l $_ || -d _ || ! length $file;
294 my $page = pagename($file);
295 if (! exists $pagesources{$page} &&
296 file_pruned($file)) {
297 $File::Find::prune=1;
301 my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
303 warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
308 debug(sprintf(gettext("%s has multiple possible source pages"), $page));
314 foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
318 my $file=decode_utf8($_);
319 $file=~s/^\Q$dir\E\/?//;
320 return if -l $_ || -d _ || ! length $file;
321 my $page=pagename($file);
322 if (! exists $pagesources{$page} &&
323 file_pruned($file)) {
324 $File::Find::prune=1;
328 my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
330 warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
333 # avoid underlaydir override
334 # attacks; see security.mdwn
335 if (! -l "$config{srcdir}/$f" &&
337 if (! $pages{$page}) {
346 return \@files, \%pages;
349 sub find_new_files ($) {
354 foreach my $file (@$files) {
355 my $page=pagename($file);
356 if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
357 # the page has changed its type
358 $forcerebuild{$page}=1;
360 $pagesources{$page}=$file;
361 if (! $pagemtime{$page}) {
362 if (isinternal($page)) {
363 push @internal_new, $file;
367 if ($config{getctime} && -e "$config{srcdir}/$file") {
369 my $time=rcs_getctime("$config{srcdir}/$file");
370 $pagectime{$page}=$time;
377 $pagecase{lc $page}=$page;
378 if (! exists $pagectime{$page}) {
379 $pagectime{$page}=(srcfile_stat($file))[10];
384 return \@new, \@internal_new;
387 sub find_del_files ($) {
392 foreach my $page (keys %pagemtime) {
393 if (! $pages->{$page}) {
394 if (isinternal($page)) {
395 push @internal_del, $pagesources{$page};
398 push @del, $pagesources{$page};
401 $renderedfiles{$page}=[];
406 return \@del, \@internal_del;
410 foreach my $file (@_) {
411 my $page=pagename($file);
412 if (! isinternal($page)) {
413 debug(sprintf(gettext("removing old page %s"), $page));
416 foreach my $old (@{$oldrenderedfiles{$page}}) {
417 prune($config{destdir}."/".$old);
420 foreach my $source (keys %destsources) {
421 if ($destsources{$source} eq $page) {
422 delete $destsources{$source};
426 delete $pagecase{lc $page};
427 delete $pagesources{$page};
431 sub find_changed ($) {
434 my @internal_changed;
435 foreach my $file (@$files) {
436 my $page=pagename($file);
437 my ($srcfile, @stat)=srcfile_stat($file);
438 if (! exists $pagemtime{$page} ||
439 $stat[9] > $pagemtime{$page} ||
440 $forcerebuild{$page}) {
441 $pagemtime{$page}=$stat[9];
443 if (isinternal($page)) {
444 # Preprocess internal page in scan-only mode.
445 preprocess($page, $page, readfile($srcfile), 1);
446 push @internal_changed, $file;
449 push @changed, $file;
453 return \@changed, \@internal_changed;
456 sub calculate_old_links ($$) {
457 my ($changed, $del)=@_;
459 foreach my $file (@$changed, @$del) {
460 my $page=pagename($file);
461 if (exists $oldlinks{$page}) {
462 foreach my $l (@{$oldlinks{$page}}) {
463 $oldlink_targets{$page}{$l}=bestlink($page, $l);
467 return \%oldlink_targets;
470 sub derender_internal ($) {
472 my $page=pagename($file);
473 delete $depends{$page};
474 delete $depends_simple{$page};
475 foreach my $old (@{$renderedfiles{$page}}) {
476 delete $destsources{$old};
478 $renderedfiles{$page}=[];
481 sub render_linkers ($) {
484 foreach my $page (keys %{$backlinks{$p}}) {
485 my $file=$pagesources{$page};
486 render($file, sprintf(gettext("building %s, which links to %s"), $file, $p));
490 sub remove_unrendered () {
491 foreach my $src (keys %rendered) {
492 my $page=pagename($src);
493 foreach my $file (@{$oldrenderedfiles{$page}}) {
494 if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
495 debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
496 prune($config{destdir}."/".$file);
502 sub calculate_changed_links ($$$) {
503 my ($changed, $del, $oldlink_targets)=@_;
505 my (%backlinkchanged, %linkchangers);
507 foreach my $file (@$changed, @$del) {
508 my $page=pagename($file);
510 if (exists $links{$page}) {
511 foreach my $l (@{$links{$page}}) {
512 my $target=bestlink($page, $l);
513 if (! exists $oldlink_targets->{$page}{$l} ||
514 $target ne $oldlink_targets->{$page}{$l}) {
515 $backlinkchanged{$target}=1;
516 $linkchangers{lc($page)}=1;
518 delete $oldlink_targets->{$page}{$l};
521 if (exists $oldlink_targets->{$page} &&
522 %{$oldlink_targets->{$page}}) {
523 foreach my $target (values %{$oldlink_targets->{$page}}) {
524 $backlinkchanged{$target}=1;
526 $linkchangers{lc($page)}=1;
530 return \%backlinkchanged, \%linkchangers;
533 sub render_dependent ($$$$$$$) {
534 my ($files, $new, $internal_new, $del, $internal_del,
535 $internal_changed, $linkchangers)=@_;
537 my @changed=(keys %rendered, @$del);
538 my @exists_changed=(@$new, @$del);
540 my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
541 my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
543 foreach my $f (@$files) {
544 next if $rendered{$f};
548 if (exists $depends_simple{$p}) {
549 foreach my $d (keys %{$depends_simple{$p}}) {
550 if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
553 ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
554 $lc_exists_changed{$d})
556 ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
565 if (exists $depends{$p} && ! defined $reason) {
566 foreach my $dep (keys %{$depends{$p}}) {
567 my $sub=pagespec_translate($dep);
568 next unless defined $sub;
570 # only consider internal files
571 # if the page explicitly depends
573 my $internal_dep=$dep =~ /internal\(/;
578 foreach my $file (@$list) {
580 my $page=pagename($file);
581 if ($sub->($page, location => $p)) {
582 if ($type == $IkiWiki::DEPEND_LINKS) {
583 next unless $linkchangers->{lc($page)};
591 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_CONTENT) {
593 $in->(\@changed, $IkiWiki::DEPEND_CONTENT);
594 last if $internal_dep && ($reason =
595 $in->($internal_new, $IkiWiki::DEPEND_CONTENT) ||
596 $in->($internal_del, $IkiWiki::DEPEND_CONTENT) ||
597 $in->($internal_changed, $IkiWiki::DEPEND_CONTENT));
599 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_PRESENCE) {
601 $in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
602 last if $internal_dep && ($reason =
603 $in->($internal_new, $IkiWiki::DEPEND_PRESENCE) ||
604 $in->($internal_del, $IkiWiki::DEPEND_PRESENCE));
606 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_LINKS) {
608 $in->(\@changed, $IkiWiki::DEPEND_LINKS);
609 last if $internal_dep && ($reason =
610 $in->($internal_new, $IkiWiki::DEPEND_LINKS) ||
611 $in->($internal_del, $IkiWiki::DEPEND_LINKS) ||
612 $in->($internal_changed, $IkiWiki::DEPEND_LINKS));
617 if (defined $reason) {
618 render($f, sprintf(gettext("building %s, which depends on %s"), $f, $reason));
626 sub render_backlinks ($) {
627 my $backlinkchanged=shift;
628 foreach my $link (keys %$backlinkchanged) {
629 my $linkfile=$pagesources{$link};
630 if (defined $linkfile) {
631 render($linkfile, sprintf(gettext("building %s, to update its backlinks"), $linkfile));
638 run_hooks(refresh => sub { shift->() });
639 my ($files, $pages)=find_src_files();
640 my ($new, $internal_new)=find_new_files($files);
641 my ($del, $internal_del)=find_del_files($pages);
642 my ($changed, $internal_changed)=find_changed($files);
643 run_hooks(needsbuild => sub { shift->($changed) });
644 my $oldlink_targets=calculate_old_links($changed, $del);
646 foreach my $file (@$changed) {
652 remove_del(@$del, @$internal_del);
654 foreach my $file (@$changed) {
655 render($file, sprintf(gettext("building %s"), $file));
657 foreach my $file (@$internal_new, @$internal_del, @$internal_changed) {
658 derender_internal($file);
661 my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
662 $del, $oldlink_targets);
664 foreach my $file (@$new, @$del) {
665 render_linkers($file);
668 if (@$changed || @$internal_changed ||
669 @$del || @$internal_del || @$internal_new) {
670 1 while render_dependent($files, $new, $internal_new,
671 $del, $internal_del, $internal_changed,
675 render_backlinks($backlinkchanged);
679 run_hooks(delete => sub { shift->(@$del) });
682 run_hooks(change => sub { shift->(keys %rendered) });
690 foreach my $page (keys %oldrenderedfiles) {
691 foreach my $file (@{$oldrenderedfiles{$page}}) {
692 prune($config{destdir}."/".$file);
697 sub commandline_render () {
702 my $srcfile=possibly_foolish_untaint($config{render});
704 $file=~s/\Q$config{srcdir}\E\/?//;
706 my $type=pagetype($file);
707 die sprintf(gettext("ikiwiki: cannot build %s"), $srcfile)."\n" unless defined $type;
708 my $content=readfile($srcfile);
709 my $page=pagename($file);
710 $pagesources{$page}=$file;
711 $content=filter($page, $page, $content);
712 $content=preprocess($page, $page, $content);
713 $content=linkify($page, $page, $content);
714 $content=htmlize($page, $page, $type, $content);
715 $pagemtime{$page}=(stat($srcfile))[9];
716 $pagectime{$page}=$pagemtime{$page} if ! exists $pagectime{$page};
718 print genpage($page, $content);