progress: Display an error if the progress cannot be parsed, and allow the percent parameter to only optionally end with "%".

IkiWiki/Plugin/progress.pm

@@ -5,7 +5,7 @@ use warnings;
 use strict;
 use IkiWiki 2.00;
 
-my $percentage_pattern = qr/[0-9]+\%/; # pattern to validate percentages
+my $percentage_pattern = qr/[0-9]+\%?/; # pattern to validate percentages
 
 sub import { #{{{
 	hook(type => "getsetup", id => "progress", call => \&getsetup);
@@ -29,6 +29,12 @@ sub preprocess (@) { #{{{
 	if (defined $params{percent}) {
 		$fill = $params{percent};
 		($fill) = $fill =~ m/($percentage_pattern)/; # fill is untainted now
+		if (! defined $fill || ! length $fill || $fill > 100 || $fill < 0) {
+			error("illegal percent value $params{percent}");
+		}
+		elsif ($fill !~ /%$/) {
+			$fill.="%";
+		}
 	}
 	elsif (defined $params{totalpages} and defined $params{donepages}) {
 		add_depends($params{page}, $params{totalpages});

debian/changelog

@@ -5,6 +5,8 @@ ikiwiki (2.65) UNRELEASED; urgency=low
   * editdiff: Broken since 2.62 due to wrong syntax, now fixed.
   * aggregate: Support atom feeds with only a summary element, and no content
     elements.
+  * progress: Display an error if the progress cannot be parsed, and allow
+    the percent parameter to only optionally end with "%".
 
  -- Joey Hess <joeyh@debian.org>  Wed, 17 Sep 2008 14:26:56 -0400
 

doc/bugs/No_progress_in_progress_bar.mdwn

@@ -27,6 +27,11 @@ Anyone can confirm the bug? --[[Paweł|ptecza]]
 >> that '%' sign is confusing here and should be dropped. I hope it's clear for all
 >> people that "percent" parameter passes values in percentages. --[[Paweł|ptecza]]
 
+>>> [[fixed|done]] --[[Joey]]
+
 >>> I've forgotten to add that now the HTML code is OK, but I can see only
 >>> "75%" string on white background wihout any border. I need to look closer
 >>> at CSS styles for the progress bar. --[[Paweł|ptecza]]
+
+>>>> You need the `div.progress` and `div.progress-done` from ikiwiki's
+>>>> default `style.css`. --[[Joey]]