- checkconfig();
- }
-} #}}}
-
-sub checkconfig () { #{{{
- if ($config{cgi} && ! length $config{url}) {
- error("Must specify url to wiki with --url when using --cgi");
- }
-
- $config{wikistatedir}="$config{srcdir}/.ikiwiki"
- unless exists $config{wikistatedir};
-
- if ($config{svn}) {
- require IkiWiki::RCS::SVN;
- $config{rcs}=1;
- }
- else {
- require IkiWiki::RCS::Stub;
- $config{rcs}=0;
- }
-} #}}}
-
-sub error ($) { #{{{
- if ($config{cgi}) {
- print "Content-type: text/html\n\n";
- print misctemplate("Error", "<p>Error: @_</p>");
- }
- die @_;
-} #}}}
-
-sub possibly_foolish_untaint ($) { #{{{
- my $tainted=shift;
- my ($untainted)=$tainted=~/(.*)/;
- return $untainted;
-} #}}}
-
-sub debug ($) { #{{{
- return unless $config{verbose};
- if (! $config{cgi}) {
- print "@_\n";
- }
- else {
- print STDERR "@_\n";
- }
-} #}}}
-
-sub basename ($) { #{{{
- my $file=shift;
-
- $file=~s!.*/!!;
- return $file;
-} #}}}
-
-sub dirname ($) { #{{{
- my $file=shift;
-
- $file=~s!/?[^/]+$!!;
- return $file;
-} #}}}
-
-sub pagetype ($) { #{{{
- my $page=shift;
-
- if ($page =~ /\.mdwn$/) {
- return ".mdwn";
- }
- else {
- return "unknown";
- }
-} #}}}
-
-sub pagename ($) { #{{{
- my $file=shift;
-
- my $type=pagetype($file);
- my $page=$file;
- $page=~s/\Q$type\E*$// unless $type eq 'unknown';
- return $page;
-} #}}}
-
-sub htmlpage ($) { #{{{
- my $page=shift;
-
- return $page.".html";
-} #}}}
-
-sub readfile ($) { #{{{
- my $file=shift;
-
- if (-l $file) {
- error("cannot read a symlink ($file)");
- }
-
- local $/=undef;
- open (IN, "$file") || error("failed to read $file: $!");
- my $ret=<IN>;
- close IN;
- return $ret;
-} #}}}
-
-sub writefile ($$) { #{{{
- my $file=shift;
- my $content=shift;
-
- if (-l $file) {
- error("cannot write to a symlink ($file)");
- }
-
- my $dir=dirname($file);
- if (! -d $dir) {
- my $d="";
- foreach my $s (split(m!/+!, $dir)) {
- $d.="$s/";
- if (! -d $d) {
- mkdir($d) || error("failed to create directory $d: $!");
- }
- }
- }
-
- open (OUT, ">$file") || error("failed to write $file: $!");
- print OUT $content;
- close OUT;
-} #}}}
-
-sub bestlink ($$) { #{{{
- # Given a page and the text of a link on the page, determine which
- # existing page that link best points to. Prefers pages under a
- # subdirectory with the same name as the source page, failing that
- # goes down the directory tree to the base looking for matching
- # pages.
- my $page=shift;
- my $link=lc(shift);
-
- my $cwd=$page;
- do {
- my $l=$cwd;
- $l.="/" if length $l;
- $l.=$link;
-
- if (exists $links{$l}) {
- #debug("for $page, \"$link\", use $l");
- return $l;
- }
- } while $cwd=~s!/?[^/]+$!!;
-
- #print STDERR "warning: page $page, broken link: $link\n";
- return "";
-} #}}}
-
-sub isinlinableimage ($) { #{{{
- my $file=shift;
-
- $file=~/\.(png|gif|jpg|jpeg)$/;
-} #}}}
-
-sub htmllink ($$;$$) { #{{{
- my $page=shift;
- my $link=shift;
- my $noimageinline=shift; # don't turn links into inline html images
- my $forcesubpage=shift; # force a link to a subpage
-
- my $bestlink;
- if (! $forcesubpage) {
- $bestlink=bestlink($page, $link);
- }
- else {
- $bestlink="$page/".lc($link);
- }
-
- return $link if length $bestlink && $page eq $bestlink;
-
- # TODO BUG: %renderedfiles may not have it, if the linked to page
- # was also added and isn't yet rendered! Note that this bug is
- # masked by the bug mentioned below that makes all new files
- # be rendered twice.
- if (! grep { $_ eq $bestlink } values %renderedfiles) {
- $bestlink=htmlpage($bestlink);
- }
- if (! grep { $_ eq $bestlink } values %renderedfiles) {
- return "<a href=\"$config{cgiurl}?do=create&page=$link&from=$page\">?</a>$link"
- }
-
- $bestlink=File::Spec->abs2rel($bestlink, dirname($page));
-
- if (! $noimageinline && isinlinableimage($bestlink)) {
- return "<img src=\"$bestlink\">";
- }
- return "<a href=\"$bestlink\">$link</a>";
-} #}}}
-
-sub indexlink () { #{{{
- return "<a href=\"$config{url}\">$config{wikiname}</a>";
-} #}}}
-
-sub lockwiki () { #{{{
- # Take an exclusive lock on the wiki to prevent multiple concurrent
- # run issues. The lock will be dropped on program exit.
- if (! -d $config{wikistatedir}) {
- mkdir($config{wikistatedir});
- }
- open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
- error ("cannot write to $config{wikistatedir}/lockfile: $!");
- if (! flock(WIKILOCK, 2 | 4)) {
- debug("wiki seems to be locked, waiting for lock");
- my $wait=600; # arbitrary, but don't hang forever to
- # prevent process pileup
- for (1..600) {
- return if flock(WIKILOCK, 2 | 4);
- sleep 1;