use IkiWiki;
use Encode;
-my %backlinks;
-my $backlinks_calculated=0;
+my (%backlinks, %rendered);
+our %brokenlinks;
+my $links_calculated=0;
-sub calculate_backlinks () {
- return if $backlinks_calculated;
- %backlinks=();
+sub calculate_links () {
+ return if $links_calculated;
+ %backlinks=%brokenlinks=();
foreach my $page (keys %links) {
foreach my $link (@{$links{$page}}) {
my $bestlink=bestlink($page, $link);
- if (length $bestlink && $bestlink ne $page) {
- $backlinks{$bestlink}{$page}=1;
+ if (length $bestlink) {
+ $backlinks{$bestlink}{$page}=1
+ if $bestlink ne $page;
+ }
+ else {
+ push @{$brokenlinks{$link}}, $page;
}
}
}
- $backlinks_calculated=1;
+ $links_calculated=1;
}
-sub backlinks ($) {
+sub backlink_pages ($) {
my $page=shift;
- calculate_backlinks();
+ calculate_links();
+
+ return keys %{$backlinks{$page}};
+}
+
+sub backlinks ($) {
+ my $page=shift;
my @links;
- foreach my $p (keys %{$backlinks{$page}}) {
+ foreach my $p (backlink_pages($page)) {
my $href=urlto($p, $page);
# Trim common dir prefixes from both pages.
if (length $config{cgiurl}) {
$template->param(editurl => cgiurl(do => "edit", page => $page))
if IkiWiki->can("cgi_editpage");
- $template->param(prefsurl => cgiurl(do => "prefs"));
+ $template->param(prefsurl => cgiurl(do => "prefs"))
+ if exists $hooks{auth};
$actions++;
}
$actions++;
}
if ($config{discussion}) {
- my $discussionlink=lc(gettext("Discussion"));
- if ($page !~ /.*\/\Q$discussionlink\E$/ &&
+ if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
(length $config{cgiurl} ||
- exists $links{$page."/".$discussionlink})) {
- $template->param(discussionlink => htmllink($page, $page, gettext("Discussion"), noimageinline => 1, forcesubpage => 1));
+ exists $links{$page."/".$config{discussionpage}})) {
+ $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
$actions++;
}
}
sub scan ($) {
my $file=shift;
+ debug(sprintf(gettext("scanning %s"), $file));
+
my $type=pagetype($file);
if (defined $type) {
my $srcfile=srcfile($file);
if ($config{discussion}) {
# Discussion links are a special case since they're
# not in the text of the page, but on its template.
- $links{$page}=[ $page."/".lc(gettext("Discussion")) ];
+ $links{$page}=[ $page."/".lc($config{discussionpage}) ];
}
else {
$links{$page}=[];
}
}
-sub render ($) {
+sub render ($$) {
my $file=shift;
+ return if $rendered{$file};
+ debug(shift);
+ $rendered{$file}=1;
my $type=pagetype($file);
my $srcfile=srcfile($file);
if (defined $type) {
my $page=pagename($file);
delete $depends{$page};
+ delete $depends_simple{$page};
will_render($page, htmlpage($page), 1);
return if $type=~/^_/;
}
else {
delete $depends{$file};
+ delete $depends_simple{$file};
will_render($file, $file, 1);
if ($config{hardlink}) {
}
}
-sub refresh () {
+sub srcdir_check () {
# security check, avoid following symlinks in the srcdir path by default
my $test=$config{srcdir};
while (length $test) {
}
}
- run_hooks(refresh => sub { shift->() });
+}
- # find existing pages
- my %exists;
+sub find_src_files () {
my @files;
+ my %pages;
eval q{use File::Find};
error($@) if $@;
find({
no_chdir => 1,
wanted => sub {
- $_=decode_utf8($_);
- if (file_pruned($_, $config{srcdir})) {
+ my $file=decode_utf8($_);
+ $file=~s/^\Q$config{srcdir}\E\/?//;
+ return if -l $_ || -d _ || ! length $file;
+ my $page = pagename($file);
+ if (! exists $pagesources{$page} &&
+ file_pruned($file)) {
$File::Find::prune=1;
+ return;
}
- elsif (! -l $_ && ! -d _) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
- }
- else {
- $f=~s/^\Q$config{srcdir}\E\/?//;
- push @files, $f;
- my $pagename = pagename($f);
- if ($exists{$pagename}) {
- debug(sprintf(gettext("%s has multiple possible source pages"), $pagename));
- }
- $exists{$pagename}=1;
+
+ my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+ if (! defined $f) {
+ warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+ }
+ else {
+ push @files, $f;
+ if ($pages{$page}) {
+ debug(sprintf(gettext("%s has multiple possible source pages"), $page));
}
+ $pages{$page}=1;
}
},
}, $config{srcdir});
find({
no_chdir => 1,
wanted => sub {
- $_=decode_utf8($_);
- if (file_pruned($_, $dir)) {
+ my $file=decode_utf8($_);
+ $file=~s/^\Q$dir\E\/?//;
+ return if -l $_ || -d _ || ! length $file;
+ my $page=pagename($file);
+ if (! exists $pagesources{$page} &&
+ file_pruned($file)) {
$File::Find::prune=1;
+ return;
}
- elsif (! -l $_ && ! -d _) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
- }
- else {
- $f=~s/^\Q$dir\E\/?//;
- # avoid underlaydir
- # override attacks; see
- # security.mdwn
- if (! -l "$config{srcdir}/$f" &&
- ! -e _) {
- my $page=pagename($f);
- if (! $exists{$page}) {
- push @files, $f;
- $exists{$page}=1;
- }
+
+ my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+ if (! defined $f) {
+ warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+ }
+ else {
+ # avoid underlaydir override
+ # attacks; see security.mdwn
+ if (! -l "$config{srcdir}/$f" &&
+ ! -e _) {
+ if (! $pages{$page}) {
+ push @files, $f;
+ $pages{$page}=1;
}
}
}
},
}, $dir);
};
+ return \@files, \%pages;
+}
+
+sub find_new_files ($) {
+ my $files=shift;
+ my @new;
+ my @internal_new;
- my (%rendered, @add, @del, @internal);
- # check for added or removed pages
- foreach my $file (@files) {
+ foreach my $file (@$files) {
my $page=pagename($file);
if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
# the page has changed its type
$pagesources{$page}=$file;
if (! $pagemtime{$page}) {
if (isinternal($page)) {
- push @internal, $file;
+ push @internal_new, $file;
}
else {
- push @add, $file;
+ push @new, $file;
if ($config{getctime} && -e "$config{srcdir}/$file") {
eval {
my $time=rcs_getctime("$config{srcdir}/$file");
}
}
}
+
+ return \@new, \@internal_new;
+}
+
+sub find_del_files ($) {
+ my $pages=shift;
+ my @del;
+ my @internal_del;
+
foreach my $page (keys %pagemtime) {
- if (! $exists{$page}) {
+ if (! $pages->{$page}) {
if (isinternal($page)) {
- push @internal, $pagesources{$page};
+ push @internal_del, $pagesources{$page};
}
else {
debug(sprintf(gettext("removing old page %s"), $page));
$links{$page}=[];
$renderedfiles{$page}=[];
$pagemtime{$page}=0;
- prune($config{destdir}."/".$_)
- foreach @{$oldrenderedfiles{$page}};
+ foreach my $old (@{$oldrenderedfiles{$page}}) {
+ prune($config{destdir}."/".$old);
+ }
delete $pagesources{$page};
- foreach (keys %destsources) {
- if ($destsources{$_} eq $page) {
- delete $destsources{$_};
+ foreach my $source (keys %destsources) {
+ if ($destsources{$source} eq $page) {
+ delete $destsources{$source};
}
}
}
}
- # find changed and new files
- my @needsbuild;
- foreach my $file (@files) {
+ return \@del, \@internal_del;
+}
+
+sub find_changed ($) {
+ my $files=shift;
+ my @changed;
+ my @internal_changed;
+ foreach my $file (@$files) {
my $page=pagename($file);
my ($srcfile, @stat)=srcfile_stat($file);
if (! exists $pagemtime{$page} ||
$stat[9] > $pagemtime{$page} ||
$forcerebuild{$page}) {
$pagemtime{$page}=$stat[9];
+
if (isinternal($page)) {
- push @internal, $file;
# Preprocess internal page in scan-only mode.
preprocess($page, $page, readfile($srcfile), 1);
+ push @internal_changed, $file;
}
else {
- push @needsbuild, $file;
+ push @changed, $file;
}
}
}
- run_hooks(needsbuild => sub { shift->(\@needsbuild) });
+ return \@changed, \@internal_changed;
+}
- # scan and render files
- foreach my $file (@needsbuild) {
- debug(sprintf(gettext("scanning %s"), $file));
- scan($file);
- }
- calculate_backlinks();
- foreach my $file (@needsbuild) {
- debug(sprintf(gettext("rendering %s"), $file));
- render($file);
- $rendered{$file}=1;
- }
- foreach my $file (@internal) {
- # internal pages are not rendered
+sub calculate_old_links ($$) {
+ my ($changed, $del)=@_;
+ my %oldlink_targets;
+ foreach my $file (@$changed, @$del) {
my $page=pagename($file);
- delete $depends{$page};
- foreach my $old (@{$renderedfiles{$page}}) {
- delete $destsources{$old};
+ if (exists $oldlinks{$page}) {
+ foreach my $l (@{$oldlinks{$page}}) {
+ $oldlink_targets{$page}{$l}=bestlink($page, $l);
+ }
}
- $renderedfiles{$page}=[];
}
-
- # rebuild pages that link to added or removed pages
- if (@add || @del) {
- foreach my $f (@add, @del) {
- my $p=pagename($f);
- foreach my $page (keys %{$backlinks{$p}}) {
- my $file=$pagesources{$page};
- next if $rendered{$file};
- debug(sprintf(gettext("rendering %s, which links to %s"), $file, $p));
- render($file);
- $rendered{$file}=1;
+ return \%oldlink_targets;
+}
+
+sub derender_internal ($) {
+ my $file=shift;
+ my $page=pagename($file);
+ delete $depends{$page};
+ delete $depends_simple{$page};
+ foreach my $old (@{$renderedfiles{$page}}) {
+ delete $destsources{$old};
+ }
+ $renderedfiles{$page}=[];
+}
+
+sub render_linkers ($) {
+ my $f=shift;
+ my $p=pagename($f);
+ foreach my $page (keys %{$backlinks{$p}}) {
+ my $file=$pagesources{$page};
+ render($file, sprintf(gettext("building %s, which links to %s"), $file, $p));
+ }
+}
+
+sub remove_unrendered () {
+ foreach my $src (keys %rendered) {
+ my $page=pagename($src);
+ foreach my $file (@{$oldrenderedfiles{$page}}) {
+ if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
+ debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
+ prune($config{destdir}."/".$file);
}
}
}
+}
- if (%rendered || @del || @internal) {
- my @changed=(keys %rendered, @del);
+sub calculate_changed_links ($$$) {
+ my ($changed, $del, $oldlink_targets)=@_;
- # rebuild dependant pages
- foreach my $f (@files) {
- next if $rendered{$f};
- my $p=pagename($f);
- if (exists $depends{$p}) {
- # only consider internal files
- # if the page explicitly depends on such files
- foreach my $file (@changed, $depends{$p}=~/internal\(/ ? @internal : ()) {
- next if $f eq $file;
- my $page=pagename($file);
- if (pagespec_match($page, $depends{$p}, location => $p)) {
- debug(sprintf(gettext("rendering %s, which depends on %s"), $f, $page));
- render($f);
- $rendered{$f}=1;
- last;
- }
+ my (%backlinkchanged, %linkchangers);
+
+ foreach my $file (@$changed, @$del) {
+ my $page=pagename($file);
+
+ if (exists $links{$page}) {
+ foreach my $l (@{$links{$page}}) {
+ my $target=bestlink($page, $l);
+ if (! exists $oldlink_targets->{$page}{$l} ||
+ $target ne $oldlink_targets->{$page}{$l}) {
+ $backlinkchanged{$target}=1;
+ $linkchangers{lc($page)}=1;
}
+ delete $oldlink_targets->{$page}{$l};
}
}
-
- # handle backlinks; if a page has added/removed links,
- # update the pages it links to
- my %linkchanged;
- foreach my $file (@changed) {
- my $page=pagename($file);
-
- if (exists $links{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
- if (length $link &&
- (! exists $oldlinks{$page} ||
- ! grep { bestlink($page, $_) eq $link } @{$oldlinks{$page}})) {
- $linkchanged{$link}=1;
- }
- }
+ if (exists $oldlink_targets->{$page} &&
+ %{$oldlink_targets->{$page}}) {
+ foreach my $target (values %{$oldlink_targets->{$page}}) {
+ $backlinkchanged{$target}=1;
}
- if (exists $oldlinks{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
- if (length $link &&
- (! exists $links{$page} ||
- ! grep { bestlink($page, $_) eq $link } @{$links{$page}})) {
- $linkchanged{$link}=1;
- }
+ $linkchangers{lc($page)}=1;
+ }
+ }
+
+ return \%backlinkchanged, \%linkchangers;
+}
+
+sub render_dependent ($$$$$$$) {
+ my ($files, $new, $internal_new, $del, $internal_del,
+ $internal_changed, $linkchangers)=@_;
+
+ my @changed=(keys %rendered, @$del);
+ my @exists_changed=(@$new, @$del);
+
+ my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
+ my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
+
+ foreach my $f (@$files) {
+ next if $rendered{$f};
+ my $p=pagename($f);
+ my $reason = undef;
+
+ if (exists $depends_simple{$p}) {
+ foreach my $d (keys %{$depends_simple{$p}}) {
+ if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
+ $lc_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
+ $lc_exists_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
+ $linkchangers->{$d})
+ ) {
+ $reason = $d;
+ last;
}
}
}
+
+ if (exists $depends{$p} && ! defined $reason) {
+ foreach my $dep (keys %{$depends{$p}}) {
+ my $sub=pagespec_translate($dep);
+ next if $@ || ! defined $sub;
- foreach my $link (keys %linkchanged) {
- my $linkfile=$pagesources{$link};
- if (defined $linkfile) {
- next if $rendered{$linkfile};
- debug(sprintf(gettext("rendering %s, to update its backlinks"), $linkfile));
- render($linkfile);
- $rendered{$linkfile}=1;
+ # only consider internal files
+ # if the page explicitly depends
+ # on such files
+ my $internal_dep=$dep =~ /internal\(/;
+
+ my $in=sub {
+ my $list=shift;
+ my $type=shift;
+ foreach my $file (@$list) {
+ next if $file eq $f;
+ my $page=pagename($file);
+ if ($sub->($page, location => $p)) {
+ if ($type == $IkiWiki::DEPEND_LINKS) {
+ next unless $linkchangers->{lc($page)};
+ }
+ return $page;
+ }
+ }
+ return undef;
+ };
+
+ if ($depends{$p}{$dep} & $IkiWiki::DEPEND_CONTENT) {
+ last if $reason =
+ $in->(\@changed, $IkiWiki::DEPEND_CONTENT);
+ last if $internal_dep && ($reason =
+ $in->($internal_new, $IkiWiki::DEPEND_CONTENT) ||
+ $in->($internal_del, $IkiWiki::DEPEND_CONTENT) ||
+ $in->($internal_changed, $IkiWiki::DEPEND_CONTENT));
+ }
+ if ($depends{$p}{$dep} & $IkiWiki::DEPEND_PRESENCE) {
+ last if $reason =
+ $in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
+ last if $internal_dep && ($reason =
+ $in->($internal_new, $IkiWiki::DEPEND_PRESENCE) ||
+ $in->($internal_del, $IkiWiki::DEPEND_PRESENCE));
+ }
+ if ($depends{$p}{$dep} & $IkiWiki::DEPEND_LINKS) {
+ last if $reason =
+ $in->(\@changed, $IkiWiki::DEPEND_LINKS);
+ last if $internal_dep && ($reason =
+ $in->($internal_new, $IkiWiki::DEPEND_LINKS) ||
+ $in->($internal_del, $IkiWiki::DEPEND_LINKS) ||
+ $in->($internal_changed, $IkiWiki::DEPEND_LINKS));
+ }
}
}
+
+ if (defined $reason) {
+ render($f, sprintf(gettext("building %s, which depends on %s"), $f, $reason));
+ return 1;
+ }
}
- # remove no longer rendered files
- foreach my $src (keys %rendered) {
- my $page=pagename($src);
- foreach my $file (@{$oldrenderedfiles{$page}}) {
- if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
- debug(sprintf(gettext("removing %s, no longer rendered by %s"), $file, $page));
- prune($config{destdir}."/".$file);
- }
+ return 0;
+}
+
+sub render_backlinks ($) {
+ my $backlinkchanged=shift;
+ foreach my $link (keys %$backlinkchanged) {
+ my $linkfile=$pagesources{$link};
+ if (defined $linkfile) {
+ render($linkfile, sprintf(gettext("building %s, to update its backlinks"), $linkfile));
}
}
+}
+
+sub refresh () {
+ srcdir_check();
+ run_hooks(refresh => sub { shift->() });
+ my ($files, $pages)=find_src_files();
+ my ($new, $internal_new)=find_new_files($files);
+ my ($del, $internal_del)=find_del_files($pages);
+ my ($changed, $internal_changed)=find_changed($files);
+ run_hooks(needsbuild => sub { shift->($changed) });
+ my $oldlink_targets=calculate_old_links($changed, $del);
+
+ foreach my $file (@$changed) {
+ scan($file);
+ }
+
+ calculate_links();
+
+ foreach my $file (@$changed) {
+ render($file, sprintf(gettext("building %s"), $file));
+ }
+ foreach my $file (@$internal_new, @$internal_del, @$internal_changed) {
+ derender_internal($file);
+ }
+
+ my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
+ $del, $oldlink_targets);
+
+ foreach my $file (@$new, @$del) {
+ render_linkers($file);
+ }
+
+ if (@$changed || @$internal_changed ||
+ @$del || @$internal_del || @$internal_new) {
+ 1 while render_dependent($files, $new, $internal_new,
+ $del, $internal_del, $internal_changed,
+ $linkchangers);
+ }
+
+ render_backlinks($backlinkchanged);
+ remove_unrendered();
- if (@del) {
- run_hooks(delete => sub { shift->(@del) });
+ if (@$del) {
+ run_hooks(delete => sub { shift->(@$del) });
}
if (%rendered) {
run_hooks(change => sub { shift->(keys %rendered) });
$file=~s/\Q$config{srcdir}\E\/?//;
my $type=pagetype($file);
- die sprintf(gettext("ikiwiki: cannot render %s"), $srcfile)."\n" unless defined $type;
+ die sprintf(gettext("ikiwiki: cannot build %s"), $srcfile)."\n" unless defined $type;
my $content=readfile($srcfile);
my $page=pagename($file);
$pagesources{$page}=$file;