X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/f1a70921e3bfc0496b5564582a5a1463b7a98c09..a128c256a51392fcf752bf612d83a90e8c68027e:/IkiWiki/Plugin/sparkline.pm

diff --git a/IkiWiki/Plugin/sparkline.pm b/IkiWiki/Plugin/sparkline.pm
index c1f016ffd..1b1d04cba 100644
--- a/IkiWiki/Plugin/sparkline.pm
+++ b/IkiWiki/Plugin/sparkline.pm
@@ -24,6 +24,7 @@ sub getsetup () {
 		plugin => {
 			safe => 1,
 			rebuild => undef,
+			section => "widget",
 		},
 }
 
@@ -149,7 +150,7 @@ sub preprocess (@) {
 
 		waitpid $pid, 0;
 		$SIG{PIPE}="DEFAULT";
-		if ($sigpipe) {
+		if ($sigpipe || ! defined $png) {
 			error gettext("failed to run php");
 		}
 
@@ -157,7 +158,8 @@ sub preprocess (@) {
 			writefile($fn, $config{destdir}, $png, 1);
 		}
 		else {
-			# can't write the file, so embed it in a data uri
+			# in preview mode, embed the image in a data uri
+			# to avoid temp file clutter
 			eval q{use MIME::Base64};
 		        error($@) if $@;
 			return "<img src=\"data:image/png;base64,".