X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/2c05a34be17c805d929f0ad563acf857eba1d46b..a32c0ecd5164abaf3d767f29d1c144b8c556a780:/IkiWiki/Plugin/img.pm

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index 17a9367d3..7b89ab673 100644
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -10,9 +10,18 @@ use IkiWiki 2.00;
 my %imgdefaults;
 
 sub import { #{{{
+	hook(type => "getsetup", id => "img", call => \&getsetup);
 	hook(type => "preprocess", id => "img", call => \&preprocess, scan => 1);
 } #}}}
 
+sub getsetup () { #{{{
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+} #}}}
+
 sub preprocess (@) { #{{{
 	my ($image) = $_[0] =~ /$config{wiki_file_regexp}/; # untaint
 	my %params=@_;
@@ -41,6 +50,10 @@ sub preprocess (@) { #{{{
 	}
 
 	my $file = bestlink($params{page}, $image);
+	my $srcfile = srcfile($file, 1);
+	if (! length $file || ! defined $srcfile) {
+		return htmllink($params{page}, $params{destpage}, $image);
+	}
 
 	my $dir = $params{page};
 	my $base = IkiWiki::basename($file);
@@ -52,21 +65,22 @@ sub preprocess (@) { #{{{
 	my $r;
 
 	if ($params{size} ne 'full') {
-		my ($w, $h) = ($params{size} =~ /^(\d+)x(\d+)$/);
+		my ($w, $h) = ($params{size} =~ /^(\d*)x(\d*)$/);
 		error sprintf(gettext('bad size "%s"'), $params{size})
-			unless (defined $w && defined $h);
+			unless (defined $w && defined $h &&
+			        (length $w || length $h));
 
 		my $outfile = "$config{destdir}/$dir/${w}x${h}-$base";
 		$imglink = "$dir/${w}x${h}-$base";
 		
 		will_render($params{page}, $imglink);
 
-		if (-e $outfile && (-M srcfile($file) >= -M $outfile)) {
+		if (-e $outfile && (-M $srcfile >= -M $outfile)) {
 			$r = $im->Read($outfile);
 			error sprintf(gettext("failed to read %s: %s"), $outfile, $r) if $r;
 		}
 		else {
-			$r = $im->Read(srcfile($file));
+			$r = $im->Read($srcfile);
 			error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
 
 			$r = $im->Resize(geometry => "${w}x${h}");
@@ -83,7 +97,7 @@ sub preprocess (@) { #{{{
 		}
 	}
 	else {
-		$r = $im->Read(srcfile($file));
+		$r = $im->Read($srcfile);
 		error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
 		$imglink = $file;
 	}