10 my (%backlinks, %rendered, @new, @del, @internal, @internal_change, @files,
11 %page_exists, %oldlink_targets, %backlinkchanged,
14 my $links_calculated=0;
16 sub calculate_links () {
17 return if $links_calculated;
18 %backlinks=%brokenlinks=();
19 foreach my $page (keys %links) {
20 foreach my $link (@{$links{$page}}) {
21 my $bestlink=bestlink($page, $link);
22 if (length $bestlink) {
23 $backlinks{$bestlink}{$page}=1
24 if $bestlink ne $page;
27 push @{$brokenlinks{$link}}, $page;
34 sub backlink_pages ($) {
39 return keys %{$backlinks{$page}};
46 foreach my $p (backlink_pages($page)) {
47 my $href=urlto($p, $page);
49 # Trim common dir prefixes from both pages.
51 my $page_trimmed=$page;
53 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
55 $p_trimmed=~s/^\Q$dir\E// &&
56 $page_trimmed=~s/^\Q$dir\E//;
58 push @links, { url => $href, page => pagetitle($p_trimmed) };
68 run_hooks(templatefile => sub {
69 return if defined $templatefile;
70 my $file=shift->(page => $page);
71 if (defined $file && defined template_file($file)) {
75 my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
78 if (length $config{cgiurl}) {
79 $template->param(editurl => cgiurl(do => "edit", page => $page))
80 if IkiWiki->can("cgi_editpage");
81 $template->param(prefsurl => cgiurl(do => "prefs"))
82 if exists $hooks{auth};
86 if (defined $config{historyurl} && length $config{historyurl}) {
87 my $u=$config{historyurl};
88 $u=~s/\[\[file\]\]/$pagesources{$page}/g;
89 $template->param(historyurl => $u);
92 if ($config{discussion}) {
93 if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
94 (length $config{cgiurl} ||
95 exists $links{$page."/".$config{discussionpage}})) {
96 $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
102 $template->param(have_actions => 1);
105 my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
106 my ($backlinks, $more_backlinks);
107 if (@backlinks <= $config{numbacklinks} || ! $config{numbacklinks}) {
108 $backlinks=\@backlinks;
112 $backlinks=[@backlinks[0..$config{numbacklinks}-1]];
113 $more_backlinks=[@backlinks[$config{numbacklinks}..$#backlinks]];
117 title => $page eq 'index'
119 : pagetitle(basename($page)),
120 wikiname => $config{wikiname},
122 backlinks => $backlinks,
123 more_backlinks => $more_backlinks,
124 mtime => displaytime($pagemtime{$page}),
125 ctime => displaytime($pagectime{$page}),
126 baseurl => baseurl($page),
129 run_hooks(pagetemplate => sub {
130 shift->(page => $page, destpage => $page, template => $template);
133 $content=$template->output;
135 run_hooks(postscan => sub {
136 shift->(page => $page, content => $content);
139 run_hooks(format => sub {
152 debug(sprintf(gettext("scanning %s"), $file));
154 my $type=pagetype($file);
156 my $srcfile=srcfile($file);
157 my $content=readfile($srcfile);
158 my $page=pagename($file);
159 will_render($page, htmlpage($page), 1);
161 if ($config{discussion}) {
162 # Discussion links are a special case since they're
163 # not in the text of the page, but on its template.
164 $links{$page}=[ $page."/".lc($config{discussionpage}) ];
170 run_hooks(scan => sub {
177 # Preprocess in scan-only mode.
178 preprocess($page, $page, $content, 1);
181 will_render($file, $file, 1);
185 sub fast_file_copy (@) {
193 my ($len, $buf, $written);
194 while ($len = sysread $srcfd, $buf, $blksize) {
195 if (! defined $len) {
196 next if $! =~ /^Interrupted/;
197 error("failed to read $srcfile: $!", $cleanup);
201 defined($written = syswrite $destfd, $buf, $len, $offset)
202 or error("failed to write $destfile: $!", $cleanup);
211 return if $rendered{$file};
215 my $type=pagetype($file);
216 my $srcfile=srcfile($file);
218 my $page=pagename($file);
219 delete $depends{$page};
220 delete $depends_simple{$page};
221 will_render($page, htmlpage($page), 1);
222 return if $type=~/^_/;
224 my $content=htmlize($page, $page, $type,
225 linkify($page, $page,
226 preprocess($page, $page,
228 readfile($srcfile)))));
230 my $output=htmlpage($page);
231 writefile($output, $config{destdir}, genpage($page, $content));
234 delete $depends{$file};
235 delete $depends_simple{$file};
236 will_render($file, $file, 1);
238 if ($config{hardlink}) {
239 # only hardlink if owned by same user
240 my @stat=stat($srcfile);
241 if ($stat[4] == $>) {
242 prep_writefile($file, $config{destdir});
243 unlink($config{destdir}."/".$file);
244 if (link($srcfile, $config{destdir}."/".$file)) {
248 # if hardlink fails, fall back to copying
251 my $srcfd=readfile($srcfile, 1, 1);
252 writefile($file, $config{destdir}, undef, 1, sub {
253 fast_file_copy($srcfile, $file, $srcfd, @_);
262 my $dir=dirname($file);
263 while (rmdir($dir)) {
268 sub srcdir_check () {
269 # security check, avoid following symlinks in the srcdir path by default
270 my $test=$config{srcdir};
271 while (length $test) {
272 if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
273 error(sprintf(gettext("symlink found in srcdir path (%s) -- set allow_symlinks_before_srcdir to allow this"), $test));
275 unless ($test=~s/\/+$//) {
276 $test=dirname($test);
282 sub find_src_files () {
284 eval q{use File::Find};
290 if (file_pruned($_, $config{srcdir})) {
291 $File::Find::prune=1;
293 elsif (! -l $_ && ! -d _) {
294 my ($f)=/$config{wiki_file_regexp}/; # untaint
296 warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
299 $f=~s/^\Q$config{srcdir}\E\/?//;
301 my $page = pagename($f);
302 if ($page_exists{$page}) {
303 debug(sprintf(gettext("%s has multiple possible source pages"), $page));
305 $page_exists{$page}=1;
310 foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
315 if (file_pruned($_, $dir)) {
316 $File::Find::prune=1;
318 elsif (! -l $_ && ! -d _) {
319 my ($f)=/$config{wiki_file_regexp}/; # untaint
321 warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
324 $f=~s/^\Q$dir\E\/?//;
326 # override attacks; see
328 if (! -l "$config{srcdir}/$f" &&
330 my $page=pagename($f);
331 if (! $page_exists{$page}) {
333 $page_exists{$page}=1;
344 sub process_new_files () {
345 foreach my $file (@files) {
346 my $page=pagename($file);
347 if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
348 # the page has changed its type
349 $forcerebuild{$page}=1;
351 $pagesources{$page}=$file;
352 if (! $pagemtime{$page}) {
353 if (isinternal($page)) {
354 push @internal, $file;
358 if ($config{getctime} && -e "$config{srcdir}/$file") {
360 my $time=rcs_getctime("$config{srcdir}/$file");
361 $pagectime{$page}=$time;
368 $pagecase{lc $page}=$page;
369 if (! exists $pagectime{$page}) {
370 $pagectime{$page}=(srcfile_stat($file))[10];
376 sub process_del_files () {
377 foreach my $page (keys %pagemtime) {
378 if (! $page_exists{$page}) {
379 if (isinternal($page)) {
380 push @internal, $pagesources{$page};
383 debug(sprintf(gettext("removing old page %s"), $page));
384 push @del, $pagesources{$page};
387 $renderedfiles{$page}=[];
389 foreach my $old (@{$oldrenderedfiles{$page}}) {
390 prune($config{destdir}."/".$old);
392 delete $pagesources{$page};
393 foreach my $source (keys %destsources) {
394 if ($destsources{$source} eq $page) {
395 delete $destsources{$source};
402 sub find_needsbuild () {
404 foreach my $file (@files) {
405 my $page=pagename($file);
406 my ($srcfile, @stat)=srcfile_stat($file);
407 if (! exists $pagemtime{$page} ||
408 $stat[9] > $pagemtime{$page} ||
409 $forcerebuild{$page}) {
410 $pagemtime{$page}=$stat[9];
412 if (isinternal($page)) {
413 # Preprocess internal page in scan-only mode.
414 preprocess($page, $page, readfile($srcfile), 1);
415 push @internal_change, $file;
418 push @needsbuild, $file;
425 sub calculate_old_links ($) {
427 my $page=pagename($file);
428 if (exists $oldlinks{$page}) {
429 foreach my $l (@{$oldlinks{$page}}) {
430 $oldlink_targets{$page}{$l}=bestlink($page, $l);
435 sub derender_internal ($) {
437 my $page=pagename($file);
438 delete $depends{$page};
439 delete $depends_simple{$page};
440 foreach my $old (@{$renderedfiles{$page}}) {
441 delete $destsources{$old};
443 $renderedfiles{$page}=[];
446 sub render_linkers ($) {
449 foreach my $page (keys %{$backlinks{$p}}) {
450 my $file=$pagesources{$page};
451 render($file, sprintf(gettext("building %s, which links to %s"), $file, $p));
455 sub remove_unrendered () {
456 foreach my $src (keys %rendered) {
457 my $page=pagename($src);
458 foreach my $file (@{$oldrenderedfiles{$page}}) {
459 if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
460 debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
461 prune($config{destdir}."/".$file);
467 sub calculate_changed_links ($) {
469 my $page=pagename($file);
470 if (exists $links{$page}) {
471 foreach my $l (@{$links{$page}}) {
472 my $target=bestlink($page, $l);
473 if (! exists $oldlink_targets{$page}{$l} ||
474 $target ne $oldlink_targets{$page}{$l}) {
475 $backlinkchanged{$l}=1;
476 $linkchangers{lc($page)}=1;
478 delete $oldlink_targets{$page}{$l};
481 if (exists $oldlink_targets{$page} &&
482 %{$oldlink_targets{$page}}) {
483 foreach my $target (keys %{$oldlink_targets{$page}}) {
484 $backlinkchanged{$target}=1;
486 $linkchangers{lc($page)}=1;
490 sub render_dependent () {
491 my @changed=(keys %rendered, @del);
492 my @exists_changed=(@new, @del);
494 my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
495 my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
497 foreach my $f (@files) {
498 next if $rendered{$f};
502 if (exists $depends_simple{$p}) {
503 foreach my $d (keys %{$depends_simple{$p}}) {
504 if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
507 ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
508 $lc_exists_changed{$d})
510 ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
519 if (exists $depends{$p} && ! defined $reason) {
520 D: foreach my $d (keys %{$depends{$p}}) {
521 my $sub=pagespec_translate($d);
522 next if $@ || ! defined $sub;
524 # only consider internal files
525 # if the page explicitly depends
527 my $internal_dep=$d =~ /internal\(/;
530 if ($depends{$p}{$d} & $IkiWiki::DEPEND_PRESENCE) {
531 @candidates=@exists_changed;
532 push @candidates, @internal
535 if (($depends{$p}{$d} & ($IkiWiki::DEPEND_CONTENT | $IkiWiki::DEPEND_LINKS))) {
536 @candidates=@changed;
537 push @candidates, @internal, @internal_change
541 foreach my $file (@candidates) {
543 my $page=pagename($file);
544 if ($sub->($page, location => $p)) {
545 if ($depends{$p}{$d} & $IkiWiki::DEPEND_LINKS) {
546 next unless $linkchangers{lc($page)};
555 if (defined $reason) {
556 render($f, sprintf(gettext("building %s, which depends on %s"), $f, $reason));
564 sub render_backlinks () {
565 foreach my $link (keys %backlinkchanged) {
566 my $linkfile=$pagesources{$link};
567 if (defined $linkfile) {
568 render($linkfile, sprintf(gettext("building %s, to update its backlinks"), $linkfile));
575 run_hooks(refresh => sub { shift->() });
576 @files=@{find_src_files()};
580 my @needsbuild=find_needsbuild();
581 run_hooks(needsbuild => sub { shift->(\@needsbuild) });
583 foreach my $file (@needsbuild, @del) {
584 calculate_old_links($file);
587 foreach my $file (@needsbuild) {
593 foreach my $file (@needsbuild) {
594 render($file, sprintf(gettext("building %s"), $file));
596 foreach my $file (@internal, @internal_change) {
597 derender_internal($file);
600 foreach my $file (@needsbuild, @del) {
601 calculate_changed_links($file);
604 foreach my $file (@new, @del) {
605 render_linkers($file);
608 if (@needsbuild || @del || @internal || @internal_change) {
609 1 while render_dependent();
616 run_hooks(delete => sub { shift->(@del) });
619 run_hooks(change => sub { shift->(keys %rendered) });
623 sub commandline_render () {
628 my $srcfile=possibly_foolish_untaint($config{render});
630 $file=~s/\Q$config{srcdir}\E\/?//;
632 my $type=pagetype($file);
633 die sprintf(gettext("ikiwiki: cannot build %s"), $srcfile)."\n" unless defined $type;
634 my $content=readfile($srcfile);
635 my $page=pagename($file);
636 $pagesources{$page}=$file;
637 $content=filter($page, $page, $content);
638 $content=preprocess($page, $page, $content);
639 $content=linkify($page, $page, $content);
640 $content=htmlize($page, $page, $type, $content);
641 $pagemtime{$page}=(stat($srcfile))[9];
642 $pagectime{$page}=$pagemtime{$page} if ! exists $pagectime{$page};
644 print genpage($page, $content);