From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Date: Tue, 19 May 2015 18:09:38 +0000 (-0400)
Subject: make cgiurl output deterministic
X-Git-Tag: 3.20150610~60
X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/commitdiff_plain/a5309078ec06ecc28ed00e31cb5c4bb3ac76cf94

make cgiurl output deterministic

IkiWiki::cgiurl() currently produces non-deterministic output, because
the params hash can be sorted different ways.

Sorting keys to params before crafting the string should make the
output deterministic.
---

diff --git a/IkiWiki.pm b/IkiWiki.pm
index bb36b0885..a70773506 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -1217,7 +1217,7 @@ sub cgiurl (@) {
 	}
 
 	return $cgiurl."?".
-		join("&amp;", map $_."=".uri_escape_utf8($params{$_}), keys %params);
+		join("&amp;", map $_."=".uri_escape_utf8($params{$_}), sort(keys %params));
 }
 
 sub cgiurl_abs (@) {