Put tokens on user masks

4 files changed, 61 insertions, 2 deletions

diff --git a/paludis/mask-fwd.hh b/paludis/mask-fwd.hh
index 18353fd..f102250 100644
--- a/paludis/mask-fwd.hh
+++ b/paludis/mask-fwd.hh
@@ -42,6 +42,14 @@ namespace paludis
 
 #include <paludis/mask-se.hh>
 
+    /**
+     * Fetch the token associated with a Mask, or "" if there is
+     * no such token.
+     *
+     * \since 0.60
+     * \ingroup g_mask
+     */
+    const std::string get_mask_token(const Mask &) PALUDIS_VISIBLE PALUDIS_ATTRIBUTE((warn_unused_result));
 }
 
 #endif
diff --git a/paludis/mask.cc b/paludis/mask.cc
index 08ac243..0f3bafd 100644
--- a/paludis/mask.cc
+++ b/paludis/mask.cc
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2007, 2008, 2009, 2010 Ciaran McCreesh
+ * Copyright (c) 2007, 2008, 2009, 2010, 2011 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -31,3 +31,46 @@ Mask::~Mask()
 {
 }
 
+const std::string
+UserMask::token() const
+{
+    return "user";
+}
+
+namespace
+{
+    struct TokenGetter
+    {
+        std::string visit(const UserMask & m) const
+        {
+            return m.token();
+        }
+
+        std::string visit(const RepositoryMask & m) const
+        {
+            return m.token();
+        }
+
+        std::string visit(const UnacceptedMask &) const
+        {
+            return "";
+        }
+
+        std::string visit(const UnsupportedMask &) const
+        {
+            return "";
+        }
+
+        std::string visit(const AssociationMask &) const
+        {
+            return "";
+        }
+    };
+}
+
+const std::string
+paludis::get_mask_token(const Mask & m)
+{
+    return m.accept_returning<std::string>(TokenGetter{});
+}
+
diff --git a/paludis/mask.hh b/paludis/mask.hh
index 9379512..39b7f9f 100644
--- a/paludis/mask.hh
+++ b/paludis/mask.hh
@@ -104,6 +104,14 @@ namespace paludis
         public Mask,
         public ImplementAcceptMethods<Mask, UserMask>
     {
+        public:
+            /**
+             * An associated token, for Environment::unmasked_by_user. Might be empty,
+             * but is probably "user".
+             *
+             * \since 0.60
+             */
+            virtual const std::string token() const;
     };
 
     /**
diff --git a/paludis/repositories/e/ebuild_id.cc b/paludis/repositories/e/ebuild_id.cc
index 03d4284..09ff33f 100644
--- a/paludis/repositories/e/ebuild_id.cc
+++ b/paludis/repositories/e/ebuild_id.cc
@@ -596,7 +596,7 @@ EbuildID::need_masks_added() const
         std::shared_ptr<const Mask> user_mask(_imp->environment->mask_for_user(shared_from_this(), false));
         if (user_mask)
         {
-            if (_imp->environment->unmasked_by_user(shared_from_this(), "user"))
+            if (_imp->environment->unmasked_by_user(shared_from_this(), get_mask_token(*user_mask)))
                 add_overridden_mask(std::make_shared<OverriddenMask>(
                             make_named_values<OverriddenMask>(
                                 n::mask() = user_mask,