Add explaining note to authentication method [skip ci]

ab04096c · Jan-Willem van der Meer · 18d2ee31 · ab04096c
Commit ab04096c authored Oct 14, 2014 by Jan-Willem van der Meer
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authentication.rb lib/gitlab/ldap/authentication.rb +2 -0

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--- a/lib/gitlab/ldap/authentication.rb
+++ b/lib/gitlab/ldap/authentication.rb
@@ -18,6 +18,8 @@ module Gitlab
          auth.login(login, password) # true will exit the loop
        end

+        # If (login, password) was invalid for all providers, the value of auth is now the last
+        # Gitlab::LDAP::Authentication instance we tried.
        auth.user
      end