httpauth: Avoid redirecting the user to the cgiauthurl if they already have a login session.

IkiWiki/Plugin/httpauth.pm

@@ -84,6 +84,8 @@ sub canedit ($$$) {
 	my $session=shift;
 
 	if (! defined $cgi->remote_user() &&
+	    (! defined $session->param("name") ||
+             ! IkiWiki::userinfo_get($session->param("name"), "regdate")) &&
 	    defined $config{httpauth_pagespec} &&
 	    length $config{httpauth_pagespec} &&
 	    defined $config{cgiauthurl} &&

debian/changelog

@@ -23,8 +23,8 @@ ikiwiki (3.20100816) UNRELEASED; urgency=low
     setup. (intrigeri)
   * t/bazaar.t: Work around bzr 2.2.0's new requirement to configure
     bzr whoami before committing.
-  * Avoid trying to log the user in when receiving anonymous pushes
-    from git and a plugin like httpauth returns a login function.
+  * httpauth: Avoid redirecting the user to the cgiauthurl if
+    they already have a login session.
 
  -- Joey Hess <joeyh@debian.org>  Sun, 15 Aug 2010 11:45:48 -0400