make urlabs a noop if base url is not provided

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

diff --git a/IkiWiki/Plugin/graphviz.pm b/IkiWiki/Plugin/graphviz.pm
index c91c92fec72af9bbe4d4cf1c8a0f07f01e6933ec..4ed8b89f165847832762408c05b0abedc21aaf6c 100644 (file)
--- a/IkiWiki/Plugin/graphviz.pm
+++ b/IkiWiki/Plugin/graphviz.pm
@@ -37,10 +37,10 @@ sub render_graph (\%) {
        $src .= "}\n";
 
        # Use the sha1 of the graphviz code as part of its filename.
-       eval q{use Digest::SHA1};
+       eval q{use Digest::SHA};
        error($@) if $@;
        my $dest=$params{page}."/graph-".
-               IkiWiki::possibly_foolish_untaint(Digest::SHA1::sha1_hex($src)).
+               IkiWiki::possibly_foolish_untaint(Digest::SHA::sha1_hex($src)).
                ".png";
        will_render($params{page}, $dest);
 
@@ -71,7 +71,8 @@ sub render_graph (\%) {
                        writefile($dest, $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,".