move wrapper building loop into Wrapper.pm

[git.ikiwiki.info.git] / IkiWiki / Plugin / sparkline.pm

diff --git a/IkiWiki/Plugin/sparkline.pm b/IkiWiki/Plugin/sparkline.pm
index c1f016ffd0e7055bae3f5ba72f9f04b643285c01..1b1d04cba6e7c2e2510a51758a9cfd5439eb4ce5 100644 (file)
--- 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,".