X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/cb8d1c86425999eb3572326679fae9a033664150..17bd930bc9f4192e084a223cf57af94680741853:/IkiWiki/Plugin/graphviz.pm

diff --git a/IkiWiki/Plugin/graphviz.pm b/IkiWiki/Plugin/graphviz.pm
index fe3559857..20b419413 100644
--- a/IkiWiki/Plugin/graphviz.pm
+++ b/IkiWiki/Plugin/graphviz.pm
@@ -9,9 +9,18 @@ use IkiWiki 2.00;
 use IPC::Open2;
 
 sub import { #{{{
+	hook(type => "getsetup", id => "graphviz", call => \&getsetup);
 	hook(type => "preprocess", id => "graph", call => \&graph);
 } # }}}
 
+sub getsetup () { #{{{
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+} #}}}
+
 my %graphviz_programs = (
 	"dot" => 1, "neato" => 1, "fdp" => 1, "twopi" => 1, "circo" => 1
 );
@@ -55,7 +64,7 @@ sub render_graph (\%) { #{{{
 
 		waitpid $pid, 0;
 		$SIG{PIPE}="DEFAULT";
-		return  "[[graph ".gettext("failed to run graphviz")."]]" if ($sigpipe);
+		error gettext("failed to run graphviz") if $sigpipe;
 
 		if (! $params{preview}) {
 			writefile($dest, $config{destdir}, $png, 1);
@@ -82,7 +91,7 @@ sub graph (@) { #{{{
 	$params{src} = "" unless defined $params{src};
 	$params{type} = "digraph" unless defined $params{type};
 	$params{prog} = "dot" unless defined $params{prog};
-	return "[[graph ".gettext("prog not a valid graphviz program")."]]" unless $graphviz_programs{$params{prog}};
+	error gettext("prog not a valid graphviz program") unless $graphviz_programs{$params{prog}};
 
 	return render_graph(%params);
 } # }}}