Provide user objects to bugmail_recipients hook. r,a=mkanat.

Bugzilla/BugMail.pm

@@ -184,8 +184,14 @@ sub Send {
         }
     }
 
+    # Make sure %user_cache has every user in it so far referenced
+    foreach my $user_id (keys %recipients) {
+        $user_cache{$user_id} ||= new Bugzilla::User($user_id);
+    }
+    
     Bugzilla::Hook::process('bugmail_recipients',
-                            { bug => $bug, recipients => \%recipients });
+                            { bug => $bug, recipients => \%recipients,
+                              users => \%user_cache });
 
     # Find all those user-watching anyone on the current list, who is not
     # on it already themselves.

Bugzilla/Hook.pm

@@ -494,6 +494,14 @@ as though he were on the CC list:
 (We use C<+> in front of C<REL_CC> so that Perl interprets it as a constant
 instead of as a string.)
 
+=item C<users>
+
+This is a hash of L<Bugzilla::User> objects, keyed by id. This is so you can
+find out more information about any of the user ids in the C<recipients> hash.
+Every id in the incoming C<recipients> hash will have an object in here. 
+(But if you add additional recipients to the C<recipients> hash, you are 
+B<not> required to add them to this hash.)
+
 =back