Do sets differently

Sets from repositories are now named setname::repo, and we automatically
create a master setname containing all of those sets.

Cache sets cleanly whilst we're at it.

Fixes: ticket:746

33 files changed, 379 insertions, 322 deletions

diff --git a/paludis/repositories/accounts/accounts_repository.cc b/paludis/repositories/accounts/accounts_repository.cc
index e501d5a..ee4e955 100644
--- a/paludis/repositories/accounts/accounts_repository.cc
+++ b/paludis/repositories/accounts/accounts_repository.cc
@@ -29,11 +29,15 @@
 #include <paludis/util/active_object_ptr.hh>
 #include <paludis/util/deferred_construction_ptr.hh>
 #include <paludis/util/stringify.hh>
+#include <paludis/util/log.hh>
 #include <paludis/dep_tag.hh>
 #include <paludis/literal_metadata_key.hh>
 #include <paludis/action.hh>
 #include <paludis/package_id.hh>
 #include <paludis/environment.hh>
+#include <paludis/generator.hh>
+#include <paludis/selection.hh>
+#include <paludis/filtered_generator.hh>
 
 using namespace paludis;
 using namespace paludis::accounts_repository;
@@ -114,7 +118,6 @@ AccountsRepository::AccountsRepository(const AccountsRepositoryParams & p) :
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
@@ -138,7 +141,6 @@ AccountsRepository::AccountsRepository(const InstalledAccountsRepositoryParams &
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
@@ -422,51 +424,46 @@ AccountsRepository::merge(const MergeParams & m)
     _imp->handler_if_installed->merge(m);
 }
 
-const std::tr1::shared_ptr<const SetSpecTree>
-AccountsRepository::package_set(const SetName & s) const
+namespace
 {
-    using namespace std::tr1::placeholders;
-
-    Context context("When fetching package set '" + stringify(s) + "' from '" +
-            stringify(name()) + "':");
-
-    if ("everything" == s.data() && _imp->params_if_installed)
+    std::tr1::shared_ptr<SetSpecTree> get_everything_set(
+            const Environment * const env,
+            const AccountsRepository * const repo)
     {
+        Context context("When making 'everything' set from '" + stringify(repo->name()) + "':");
+
         std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
-        std::tr1::shared_ptr<GeneralSetDepTag> tag(new GeneralSetDepTag(s, stringify(name())));
 
-        std::tr1::shared_ptr<const CategoryNamePartSet> cats(category_names());
-        for (CategoryNamePartSet::ConstIterator c(cats->begin()), c_end(cats->end()) ;
-                c != c_end ; ++c)
-        {
-            std::tr1::shared_ptr<const QualifiedPackageNameSet> pkgs(package_names(*c));
-            for (QualifiedPackageNameSet::ConstIterator e(pkgs->begin()), e_end(pkgs->end()) ;
-                    e != e_end ; ++e)
-            {
-                std::tr1::shared_ptr<PackageDepSpec> spec(new PackageDepSpec(make_package_dep_spec(
-                                PartiallyMadePackageDepSpecOptions()).package(QualifiedPackageName(*e))));
-                spec->set_tag(tag);
-                result->root()->append(spec);
-            }
-        }
+        std::tr1::shared_ptr<const PackageIDSequence> ids((*env)[selection::BestVersionOnly(
+                    generator::InRepository(repo->name()))]);
+        for (PackageIDSequence::ConstIterator i(ids->begin()), i_end(ids->end()) ;
+                i != i_end ; ++i)
+            result->root()->append(make_shared_ptr(new PackageDepSpec(
+                            make_package_dep_spec(PartiallyMadePackageDepSpecOptions())
+                            .package((*i)->name())
+                            )));
 
         return result;
     }
-    else
-        return make_null_shared_ptr();
 }
 
-std::tr1::shared_ptr<const SetNameSet>
-AccountsRepository::sets_list() const
+void
+AccountsRepository::populate_sets() const
 {
-    Context context("While generating the list of sets:");
-
-    std::tr1::shared_ptr<SetNameSet> result(new SetNameSet);
-    if (_imp->params_if_installed)
-        result->insert(SetName("everything"));
-    return result;
+    if (_imp->params_if_not_installed)
+    {
+        /* no sets */
+    }
+    else
+    {
+        /* everything */
+        _imp->params_if_installed->environment()->add_set(
+                SetName("everything"),
+                SetName("everything::" + stringify(name())),
+                std::tr1::bind(get_everything_set, _imp->params_if_installed->environment(), this),
+                true);
+    }
 }
 
-
 template class PrivateImplementationPattern<AccountsRepository>;
 
diff --git a/paludis/repositories/accounts/accounts_repository.hh b/paludis/repositories/accounts/accounts_repository.hh
index a25153c..c9d2d22 100644
--- a/paludis/repositories/accounts/accounts_repository.hh
+++ b/paludis/repositories/accounts/accounts_repository.hh
@@ -56,7 +56,6 @@ namespace paludis
             private PrivateImplementationPattern<AccountsRepository>,
             public Repository,
             public RepositoryDestinationInterface,
-            public RepositorySetsInterface,
             public std::tr1::enable_shared_from_this<AccountsRepository>
         {
             private:
@@ -154,12 +153,10 @@ namespace paludis
 
                 ///\}
 
-                ///\name Set queries
+                ///\name Set methods
                 ///\{
 
-                virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName & s) const;
-                virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const
-                    PALUDIS_ATTRIBUTE((warn_unused_result));
+                virtual void populate_sets() const;
 
                 ///\}
         };
diff --git a/paludis/repositories/cran/cran_installed_repository.cc b/paludis/repositories/cran/cran_installed_repository.cc
index 397e490..bf0384c 100644
--- a/paludis/repositories/cran/cran_installed_repository.cc
+++ b/paludis/repositories/cran/cran_installed_repository.cc
@@ -27,6 +27,10 @@
 #include <paludis/action.hh>
 #include <paludis/literal_metadata_key.hh>
 #include <paludis/user_dep_spec.hh>
+#include <paludis/generator.hh>
+#include <paludis/filtered_generator.hh>
+#include <paludis/filter.hh>
+#include <paludis/selection.hh>
 #include <paludis/repositories/cran/cran_package_id.hh>
 #include <paludis/repositories/cran/cran_dep_parser.hh>
 #include <paludis/repositories/cran/cran_installed_repository.hh>
@@ -167,7 +171,6 @@ CRANInstalledRepository::CRANInstalledRepository(const CRANInstalledRepositoryPa
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
@@ -444,41 +447,6 @@ CRANInstalledRepository::do_uninstall(const QualifiedPackageName & q, const Vers
 }
 #endif
 
-const std::tr1::shared_ptr<const SetSpecTree>
-CRANInstalledRepository::package_set(const SetName & s) const
-{
-    Context context("When fetching package set '" + stringify(s) + "' from '" +
-            stringify(name()) + "':");
-
-    if ("everything" == s.data())
-    {
-        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
-
-        need_ids();
-
-        for (IDMap::const_iterator p(_imp->ids.begin()), p_end(_imp->ids.end()) ;
-                p != p_end ; ++p)
-        {
-            std::tr1::shared_ptr<PackageDepSpec> spec(new PackageDepSpec(cranrepository::parse_cran_package_dep_spec(stringify(p->first.package()))));
-            result->root()->append(spec);
-        }
-
-        return result;
-    }
-    else
-        return make_null_shared_ptr();
-}
-
-std::tr1::shared_ptr<const SetNameSet>
-CRANInstalledRepository::sets_list() const
-{
-    Context context("While generating the list of sets:");
-
-    std::tr1::shared_ptr<SetNameSet> result(new SetNameSet);
-    result->insert(SetName("everything"));
-    return result;
-}
-
 void
 CRANInstalledRepository::invalidate()
 {
@@ -601,4 +569,36 @@ CRANInstalledRepository::installed_root_key() const
     return _imp->installed_root_key;
 }
 
+namespace
+{
+    std::tr1::shared_ptr<SetSpecTree> get_everything_set(
+            const Environment * const env,
+            const Repository * const repo)
+    {
+        Context context("When making 'everything' set from '" + stringify(repo->name()) + "':");
+
+        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
+
+        std::tr1::shared_ptr<const PackageIDSequence> ids((*env)[selection::BestVersionOnly(
+                    generator::InRepository(repo->name()))]);
+        for (PackageIDSequence::ConstIterator i(ids->begin()), i_end(ids->end()) ;
+                i != i_end ; ++i)
+            result->root()->append(make_shared_ptr(new PackageDepSpec(
+                            make_package_dep_spec(PartiallyMadePackageDepSpecOptions())
+                            .package((*i)->name())
+                            )));
+
+        return result;
+    }
+}
+
+void
+CRANInstalledRepository::populate_sets() const
+{
+    _imp->params.environment()->add_set(
+            SetName("everything"),
+            SetName("everything::" + stringify(name())),
+            std::tr1::bind(get_everything_set, _imp->params.environment(), this),
+            true);
+}
 
diff --git a/paludis/repositories/cran/cran_installed_repository.hh b/paludis/repositories/cran/cran_installed_repository.hh
index 80b3627..bba0019 100644
--- a/paludis/repositories/cran/cran_installed_repository.hh
+++ b/paludis/repositories/cran/cran_installed_repository.hh
@@ -2,7 +2,7 @@
 
 /*
  * Copyright (c) 2006 Danny van Dyk
- * Copyright (c) 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2007, 2008, 2009 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
@@ -64,7 +64,6 @@ namespace paludis
      */
     class PALUDIS_VISIBLE CRANInstalledRepository :
         public Repository,
-        public RepositorySetsInterface,
         public RepositoryDestinationInterface,
         public PrivateImplementationPattern<CRANInstalledRepository>
     {
@@ -108,11 +107,6 @@ namespace paludis
             virtual void invalidate();
             virtual void invalidate_masks();
 
-            /* RepositorySetsInterface */
-
-            virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const
-                PALUDIS_ATTRIBUTE((warn_unused_result));
-
             /* RepositoryDestinationInterface */
 
             virtual bool is_suitable_destination_for(const PackageID &) const
@@ -147,16 +141,18 @@ namespace paludis
 
             virtual bool some_ids_might_support_action(const SupportsActionTestBase &) const;
 
-            /* RepositorySetsInterface */
-
-            virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName & id) const
-                PALUDIS_ATTRIBUTE((warn_unused_result));
-
             /* Keys */
 
             virtual const std::tr1::shared_ptr<const MetadataValueKey<std::string> > format_key() const;
             virtual const std::tr1::shared_ptr<const MetadataValueKey<FSEntry> > location_key() const;
             virtual const std::tr1::shared_ptr<const MetadataValueKey<FSEntry> > installed_root_key() const;
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 
     /**
diff --git a/paludis/repositories/cran/cran_repository.cc b/paludis/repositories/cran/cran_repository.cc
index 4d6713b..3bdde14 100644
--- a/paludis/repositories/cran/cran_repository.cc
+++ b/paludis/repositories/cran/cran_repository.cc
@@ -116,7 +116,6 @@ CRANRepository::CRANRepository(const CRANRepositoryParams & p) :
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(this),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
@@ -342,31 +341,6 @@ CRANRepository::do_install(const std::tr1::shared_ptr<const PackageID> & id_unca
 }
 #endif
 
-const std::tr1::shared_ptr<const SetSpecTree>
-CRANRepository::package_set(const SetName & s) const
-{
-    if ("base" == s.data())
-    {
-        /**
-         * \todo Implement system as all package which are installed
-         * by dev-lang/R by default.
-         */
-        return make_shared_ptr(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
-    }
-    else
-        return make_null_shared_ptr();
-}
-
-std::tr1::shared_ptr<const SetNameSet>
-CRANRepository::sets_list() const
-{
-    Context context("While generating the list of sets:");
-
-    std::tr1::shared_ptr<SetNameSet> result(new SetNameSet);
-    result->insert(SetName("base"));
-    return result;
-}
-
 bool
 CRANRepository::sync(const std::tr1::shared_ptr<OutputManager> & output_manager) const
 {
@@ -571,3 +545,8 @@ CRANRepository::installed_root_key() const
     return std::tr1::shared_ptr<const MetadataValueKey<FSEntry> >();
 }
 
+void
+CRANRepository::populate_sets() const
+{
+}
+
diff --git a/paludis/repositories/cran/cran_repository.hh b/paludis/repositories/cran/cran_repository.hh
index 9baef2a..bbd5578 100644
--- a/paludis/repositories/cran/cran_repository.hh
+++ b/paludis/repositories/cran/cran_repository.hh
@@ -76,7 +76,6 @@ namespace paludis
     class PALUDIS_VISIBLE CRANRepository :
         public Repository,
         public RepositorySyncableInterface,
-        public RepositorySetsInterface,
         private PrivateImplementationPattern<CRANRepository>,
         public std::tr1::enable_shared_from_this<CRANRepository>
     {
@@ -128,12 +127,6 @@ namespace paludis
 
             /* RepositorySyncableInterface */
 
-            virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName &) const;
-
-            virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const;
-
-            /* RepositorySyncableInterface */
-
             virtual bool sync(const std::tr1::shared_ptr<OutputManager> & output_deviant) const;
 
             /* Repository */
@@ -162,6 +155,13 @@ namespace paludis
             virtual const std::tr1::shared_ptr<const MetadataValueKey<std::string> > format_key() const;
             virtual const std::tr1::shared_ptr<const MetadataValueKey<FSEntry> > location_key() const;
             virtual const std::tr1::shared_ptr<const MetadataValueKey<FSEntry> > installed_root_key() const;
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 
     /**
diff --git a/paludis/repositories/e/e_installed_repository.cc b/paludis/repositories/e/e_installed_repository.cc
index 21ed732..861dcd1 100644
--- a/paludis/repositories/e/e_installed_repository.cc
+++ b/paludis/repositories/e/e_installed_repository.cc
@@ -46,6 +46,10 @@
 #include <paludis/hook.hh>
 #include <paludis/dep_tag.hh>
 #include <paludis/user_dep_spec.hh>
+#include <paludis/generator.hh>
+#include <paludis/filter.hh>
+#include <paludis/filtered_generator.hh>
+#include <paludis/selection.hh>
 
 using namespace paludis;
 using namespace paludis::erepository;
@@ -158,50 +162,6 @@ EInstalledRepository::perform_hook(const Hook & hook) const
     return make_named_values<HookResult>(value_for<n::max_exit_status>(0), value_for<n::output>(""));
 }
 
-const std::tr1::shared_ptr<const SetSpecTree>
-EInstalledRepository::package_set(const SetName & s) const
-{
-    using namespace std::tr1::placeholders;
-
-    Context context("When fetching package set '" + stringify(s) + "' from '" +
-            stringify(name()) + "':");
-
-    if ("everything" == s.data())
-    {
-        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
-        std::tr1::shared_ptr<GeneralSetDepTag> tag(new GeneralSetDepTag(SetName("everything"), stringify(name())));
-
-        std::tr1::shared_ptr<const CategoryNamePartSet> cats(category_names());
-        for (CategoryNamePartSet::ConstIterator i(cats->begin()), i_end(cats->end()) ;
-                i != i_end ; ++i)
-        {
-            std::tr1::shared_ptr<const QualifiedPackageNameSet> pkgs(package_names(*i));
-            for (QualifiedPackageNameSet::ConstIterator e(pkgs->begin()), e_end(pkgs->end()) ;
-                    e != e_end ; ++e)
-            {
-                std::tr1::shared_ptr<PackageDepSpec> spec(new PackageDepSpec(make_package_dep_spec(
-                                PartiallyMadePackageDepSpecOptions()).package(*e)));
-                spec->set_tag(tag);
-                result->root()->append(spec);
-            }
-        }
-
-        return result;
-    }
-    else
-        return make_null_shared_ptr();
-}
-
-std::tr1::shared_ptr<const SetNameSet>
-EInstalledRepository::sets_list() const
-{
-    Context context("While generating the list of sets:");
-
-    std::tr1::shared_ptr<SetNameSet> result(new SetNameSet);
-    result->insert(SetName("everything"));
-    return result;
-}
-
 std::tr1::shared_ptr<const CategoryNamePartSet>
 EInstalledRepository::unimportant_category_names() const
 {
@@ -413,3 +373,36 @@ EInstalledRepository::perform_info(
     }
 }
 
+namespace
+{
+    std::tr1::shared_ptr<SetSpecTree> get_everything_set(
+            const Environment * const env,
+            const Repository * const repo)
+    {
+        Context context("When making 'everything' set from '" + stringify(repo->name()) + "':");
+
+        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
+
+        std::tr1::shared_ptr<const PackageIDSequence> ids((*env)[selection::BestVersionOnly(
+                    generator::InRepository(repo->name()))]);
+        for (PackageIDSequence::ConstIterator i(ids->begin()), i_end(ids->end()) ;
+                i != i_end ; ++i)
+            result->root()->append(make_shared_ptr(new PackageDepSpec(
+                            make_package_dep_spec(PartiallyMadePackageDepSpecOptions())
+                            .package((*i)->name())
+                            )));
+
+        return result;
+    }
+}
+
+void
+EInstalledRepository::populate_sets() const
+{
+    _imp->params.environment()->add_set(
+            SetName("everything"),
+            SetName("everything::" + stringify(name())),
+            std::tr1::bind(get_everything_set, _imp->params.environment(), this),
+            true);
+}
+
diff --git a/paludis/repositories/e/e_installed_repository.hh b/paludis/repositories/e/e_installed_repository.hh
index ca1adba..4b9660c 100644
--- a/paludis/repositories/e/e_installed_repository.hh
+++ b/paludis/repositories/e/e_installed_repository.hh
@@ -43,7 +43,6 @@ namespace paludis
 
         class EInstalledRepository :
             public Repository,
-            public RepositorySetsInterface,
             public RepositoryEnvironmentVariableInterface,
             public RepositoryDestinationInterface,
             public RepositoryHookInterface,
@@ -57,14 +56,6 @@ namespace paludis
                 ~EInstalledRepository();
 
             public:
-                /* RepositorySetsInterface */
-
-                virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName & id) const
-                    PALUDIS_ATTRIBUTE((warn_unused_result));
-
-                virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const
-                    PALUDIS_ATTRIBUTE((warn_unused_result));
-
                 /* RepositoryEnvironmentVariableInterface */
 
                 virtual std::string get_environment_variable(
@@ -110,6 +101,13 @@ namespace paludis
                         const InfoAction &) const;
 
                 ///\}
+
+                ///\name Set methods
+                ///\{
+
+                virtual void populate_sets() const;
+
+                ///\}
         };
     }
 }
diff --git a/paludis/repositories/e/e_repository.cc b/paludis/repositories/e/e_repository.cc
index 021dafc..d2d753c 100644
--- a/paludis/repositories/e/e_repository.cc
+++ b/paludis/repositories/e/e_repository.cc
@@ -509,7 +509,6 @@ ERepository::ERepository(const ERepositoryParams & p) :
 #else
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
 #endif
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(this),
                 value_for<n::virtuals_interface>((*DistributionData::get_instance()->distribution_from_string(p.environment()->distribution())).support_old_style_virtuals() ? this : 0)
                 )),
@@ -733,24 +732,6 @@ ERepository::need_mirrors() const
     }
 }
 
-const std::tr1::shared_ptr<const SetSpecTree>
-ERepository::package_set(const SetName & s) const
-{
-    if (s.data() == "system")
-    {
-        _imp->need_profiles();
-        return _imp->profile_ptr->system_packages();
-    }
-
-    return _imp->sets_ptr->package_set(s);
-}
-
-std::tr1::shared_ptr<const SetNameSet>
-ERepository::sets_list() const
-{
-    return _imp->sets_ptr->sets_list();
-}
-
 bool
 ERepository::sync(const std::tr1::shared_ptr<OutputManager> & output_manager) const
 {
@@ -1758,3 +1739,52 @@ ERepository::eapi_for_file(const FSEntry & f) const
     return i->second;
 }
 
+namespace
+{
+    std::tr1::shared_ptr<const SetSpecTree> get_system_set(const std::tr1::shared_ptr<const SetSpecTree> s)
+    {
+        return s;
+    }
+
+    std::tr1::shared_ptr<const SetSpecTree> get_set(
+            const std::tr1::shared_ptr<const ERepositorySets> & s,
+            const SetName & n)
+    {
+        return s->package_set(n);
+    }
+}
+
+void
+ERepository::populate_sets() const
+{
+    const std::tr1::shared_ptr<const SetNameSet> sets(_imp->sets_ptr->sets_list());
+    for (SetNameSet::ConstIterator s(sets->begin()), s_end(sets->end()) ;
+            s != s_end ; ++s)
+    {
+        if (stringify(*s) == "system")
+        {
+            _imp->need_profiles();
+            _imp->params.environment()->add_set(
+                    *s,
+                    SetName(stringify(*s) + "::" + stringify(name())),
+                    std::tr1::bind(&get_system_set, _imp->profile_ptr->system_packages()),
+                    true);
+        }
+        else
+        {
+            _imp->params.environment()->add_set(
+                    *s,
+                    SetName(stringify(*s) + "::" + stringify(name())),
+                    std::tr1::bind(&get_set, _imp->sets_ptr, *s),
+                    true);
+
+            if (stringify(*s) != "security" && stringify(*s) != "insecurity")
+                _imp->params.environment()->add_set(
+                        SetName(stringify(*s) + "*"),
+                        SetName(stringify(*s) + "::" + stringify(name()) + "*"),
+                        std::tr1::bind(&get_set, _imp->sets_ptr, SetName(stringify(*s) + "*")),
+                        true);
+        }
+    }
+}
+
diff --git a/paludis/repositories/e/e_repository.hh b/paludis/repositories/e/e_repository.hh
index 5977a2b..4a5981f 100644
--- a/paludis/repositories/e/e_repository.hh
+++ b/paludis/repositories/e/e_repository.hh
@@ -52,7 +52,6 @@ namespace paludis
     class PALUDIS_VISIBLE ERepository :
         public Repository,
         public RepositorySyncableInterface,
-        public RepositorySetsInterface,
         public RepositoryEnvironmentVariableInterface,
         public RepositoryMirrorsInterface,
         public RepositoryVirtualsInterface,
@@ -127,12 +126,6 @@ namespace paludis
             /* RepositoryManifestInterface */
             virtual void make_manifest(const QualifiedPackageName & qpn);
 
-            /* RepositorySetsInterface */
-
-            virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName & id) const;
-
-            virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const;
-
             /* RepositorySyncableInterface */
 
             virtual bool sync(const std::tr1::shared_ptr<OutputManager> &) const;
@@ -238,6 +231,13 @@ namespace paludis
             const std::tr1::shared_ptr<const UseDesc> use_desc() const PALUDIS_ATTRIBUTE((warn_unused_result));
 
             const std::string eapi_for_file(const FSEntry &) const PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }
 
diff --git a/paludis/repositories/e/e_repository_sets_TEST.cc b/paludis/repositories/e/e_repository_sets_TEST.cc
index a5cc45b..d138eb8 100644
--- a/paludis/repositories/e/e_repository_sets_TEST.cc
+++ b/paludis/repositories/e/e_repository_sets_TEST.cc
@@ -62,13 +62,12 @@ namespace test_cases
             keys->insert("profiles", "e_repository_sets_TEST_dir/repo1/profiles/profile");
             std::tr1::shared_ptr<Repository> repo(ERepository::repository_factory_create(&env,
                         std::tr1::bind(from_keys, keys, std::tr1::placeholders::_1)));
+            env.package_database()->add_repository(1, repo);
 
-            std::tr1::shared_ptr<const SetNameSet> sets_list(repo->sets_interface()->sets_list());
-            TEST_CHECK_EQUAL(sets_list->size(), 4U);
-            TEST_CHECK(sets_list->end() != sets_list->find(SetName("system")));
-            TEST_CHECK(sets_list->end() != sets_list->find(SetName("security")));
-            TEST_CHECK(sets_list->end() != sets_list->find(SetName("insecurity")));
-            TEST_CHECK(sets_list->end() != sets_list->find(SetName("set1")));
+            std::tr1::shared_ptr<const SetNameSet> sets_list(env.set_names());
+            TEST_CHECK_EQUAL(join(sets_list->begin(), sets_list->end(), " "), "everything everything::default insecurity "
+                    "insecurity::test-repo-1 security security::test-repo-1 set1 set1* set1::test-repo-1 set1::test-repo-1* "
+                    "system system::test-repo-1 world world::default");
         }
     } test_e_repository_sets_sets_list;
 
@@ -90,8 +89,10 @@ namespace test_cases
                 new FakeInstalledRepository(&env, RepositoryName("installed")));
             installed->add_version("cat-two", "bar", "1.5");
             env.package_database()->add_repository(0, installed);
+            env.package_database()->add_repository(1, repo);
 
-            std::tr1::shared_ptr<const SetSpecTree> set1(repo->sets_interface()->package_set(SetName("set1")));
+            std::tr1::shared_ptr<const SetSpecTree> set1(env.set(SetName("set1::test-repo-1")));
+            TEST_CHECK(set1);
             StringifyFormatter ff;
             erepository::DepSpecPrettyPrinter pretty(0, std::tr1::shared_ptr<const PackageID>(), ff, 0, false, false);
             set1->root()->accept(pretty);
@@ -121,7 +122,7 @@ namespace test_cases
                         std::tr1::bind(from_keys, keys, std::tr1::placeholders::_1)));
             env.package_database()->add_repository(1, repo);
 
-            std::tr1::shared_ptr<const SetSpecTree> insecurity(repo->sets_interface()->package_set(SetName("insecurity")));
+            std::tr1::shared_ptr<const SetSpecTree> insecurity(env.set(SetName("insecurity::test-repo-1")));
             StringifyFormatter ff;
             erepository::DepSpecPrettyPrinter pretty(0, std::tr1::shared_ptr<const PackageID>(), ff, 0, false, false);
             insecurity->root()->accept(pretty);
@@ -161,7 +162,7 @@ namespace test_cases
             installed->add_version("cat-four", "xyzzy", "2.0.1")->set_slot(SlotName("2"));
             env.package_database()->add_repository(0, installed);
 
-            std::tr1::shared_ptr<const SetSpecTree> security(repo->sets_interface()->package_set(SetName("security")));
+            std::tr1::shared_ptr<const SetSpecTree> security(env.set(SetName("security::test-repo-1")));
             StringifyFormatter ff;
             erepository::DepSpecPrettyPrinter pretty(0, std::tr1::shared_ptr<const PackageID>(), ff, 0, false, false);
             security->root()->accept(pretty);
diff --git a/paludis/repositories/e/exndbam_repository.cc b/paludis/repositories/e/exndbam_repository.cc
index 6c5489c..34a18c7 100644
--- a/paludis/repositories/e/exndbam_repository.cc
+++ b/paludis/repositories/e/exndbam_repository.cc
@@ -112,7 +112,6 @@ ExndbamRepository::ExndbamRepository(const RepositoryName & n, const ExndbamRepo
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
diff --git a/paludis/repositories/e/vdb_repository.cc b/paludis/repositories/e/vdb_repository.cc
index 1d4eaed..ee0a1bd 100644
--- a/paludis/repositories/e/vdb_repository.cc
+++ b/paludis/repositories/e/vdb_repository.cc
@@ -167,7 +167,6 @@ VDBRepository::VDBRepository(const VDBRepositoryParams & p) :
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(this),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
diff --git a/paludis/repositories/fake/fake_installed_repository.cc b/paludis/repositories/fake/fake_installed_repository.cc
index 5a7f23e..814b729 100644
--- a/paludis/repositories/fake/fake_installed_repository.cc
+++ b/paludis/repositories/fake/fake_installed_repository.cc
@@ -65,7 +65,6 @@ FakeInstalledRepository::FakeInstalledRepository(const Environment * const e, co
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(this),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
diff --git a/paludis/repositories/fake/fake_repository.cc b/paludis/repositories/fake/fake_repository.cc
index 9bca810..765fb28 100644
--- a/paludis/repositories/fake/fake_repository.cc
+++ b/paludis/repositories/fake/fake_repository.cc
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2005, 2006, 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2005, 2006, 2007, 2008, 2009 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
@@ -68,7 +68,6 @@ FakeRepository::FakeRepository(const Environment * const env, const RepositoryNa
                 value_for<n::mirrors_interface>(this),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>((*DistributionData::get_instance()->distribution_from_string(
                             env->distribution())).support_old_style_virtuals() ? this : 0)
@@ -90,7 +89,6 @@ FakeRepository::FakeRepository(const FakeRepositoryParams & params) :
                 value_for<n::mirrors_interface>(this),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>((*DistributionData::get_instance()->distribution_from_string(
                             params.environment()->distribution())).support_old_style_virtuals() ? this : 0)
diff --git a/paludis/repositories/fake/fake_repository_base.cc b/paludis/repositories/fake/fake_repository_base.cc
index 8f0515b..51ce369 100644
--- a/paludis/repositories/fake/fake_repository_base.cc
+++ b/paludis/repositories/fake/fake_repository_base.cc
@@ -48,7 +48,6 @@ namespace paludis
         std::tr1::shared_ptr<CategoryNamePartSet> category_names;
         std::map<CategoryNamePart, std::tr1::shared_ptr<PackageNamePartSet> > package_names;
         std::map<QualifiedPackageName, std::tr1::shared_ptr<PackageIDSequence> > ids;
-        std::map<SetName, std::tr1::shared_ptr<const SetSpecTree> > sets;
 
         const Environment * const env;
 
@@ -164,31 +163,6 @@ FakeRepositoryBase::invalidate_masks()
             (*it2)->invalidate_masks();
 }
 
-void
-FakeRepositoryBase::add_package_set(const SetName & n, const std::tr1::shared_ptr<const SetSpecTree> & s)
-{
-    _imp->sets.insert(std::make_pair(n, s));
-}
-
-const std::tr1::shared_ptr<const SetSpecTree>
-FakeRepositoryBase::package_set(const SetName & id) const
-{
-    std::map<SetName, std::tr1::shared_ptr<const SetSpecTree> >::const_iterator i(_imp->sets.find(id));
-    if (_imp->sets.end() == i)
-        return std::tr1::shared_ptr<const SetSpecTree>();
-    else
-        return i->second;
-}
-
-std::tr1::shared_ptr<const SetNameSet>
-FakeRepositoryBase::sets_list() const
-{
-    std::tr1::shared_ptr<SetNameSet> result(new SetNameSet);
-    std::transform(_imp->sets.begin(), _imp->sets.end(), result->inserter(),
-            std::tr1::mem_fn(&std::pair<const SetName, std::tr1::shared_ptr<const SetSpecTree> >::first));
-    return result;
-}
-
 const Environment *
 FakeRepositoryBase::environment() const
 {
@@ -200,3 +174,8 @@ FakeRepositoryBase::need_keys_added() const
 {
 }
 
+void
+FakeRepositoryBase::populate_sets() const
+{
+}
+
diff --git a/paludis/repositories/fake/fake_repository_base.hh b/paludis/repositories/fake/fake_repository_base.hh
index 136530a..b2548b5 100644
--- a/paludis/repositories/fake/fake_repository_base.hh
+++ b/paludis/repositories/fake/fake_repository_base.hh
@@ -44,7 +44,6 @@ namespace paludis
      */
     class PALUDIS_VISIBLE FakeRepositoryBase :
         public Repository,
-        public RepositorySetsInterface,
         private PrivateImplementationPattern<FakeRepositoryBase>,
         public std::tr1::enable_shared_from_this<FakeRepositoryBase>
     {
@@ -90,11 +89,6 @@ namespace paludis
             std::tr1::shared_ptr<FakePackageID> add_version(const std::string & c, const std::string & p,
                     const std::string & v);
 
-            /**
-             * Add a package set.
-             */
-            void add_package_set(const SetName &, const std::tr1::shared_ptr<const SetSpecTree> &);
-
             virtual void invalidate();
 
             virtual void invalidate_masks();
@@ -104,14 +98,6 @@ namespace paludis
              */
             const Environment * environment() const;
 
-            /* RepositorySetsInterface */
-
-            virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName & id) const
-                PALUDIS_ATTRIBUTE((warn_unused_result));
-
-            virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const
-                PALUDIS_ATTRIBUTE((warn_unused_result));
-
             /* Repository */
 
             virtual std::tr1::shared_ptr<const PackageIDSequence> package_ids(
@@ -130,6 +116,13 @@ namespace paludis
 
             virtual bool has_category_named(const CategoryNamePart &) const
                 PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }
 
diff --git a/paludis/repositories/gems/gems_repository.cc b/paludis/repositories/gems/gems_repository.cc
index d021eb9..13530b5 100644
--- a/paludis/repositories/gems/gems_repository.cc
+++ b/paludis/repositories/gems/gems_repository.cc
@@ -100,7 +100,6 @@ GemsRepository::GemsRepository(const gems::RepositoryParams & params) :
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
@@ -406,3 +405,8 @@ GemsRepository::repository_factory_dependencies(
     return make_shared_ptr(new RepositoryNameSet);
 }
 
+void
+GemsRepository::populate_sets() const
+{
+}
+
diff --git a/paludis/repositories/gems/gems_repository.hh b/paludis/repositories/gems/gems_repository.hh
index e380e78..1d5ac0d 100644
--- a/paludis/repositories/gems/gems_repository.hh
+++ b/paludis/repositories/gems/gems_repository.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2007, 2008, 2009 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
@@ -106,6 +106,13 @@ namespace paludis
                     const std::tr1::function<std::string (const std::string &)> &);
 
             ///\}
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }
 
diff --git a/paludis/repositories/gems/installed_gems_repository.cc b/paludis/repositories/gems/installed_gems_repository.cc
index a7026ba..96c5e09 100644
--- a/paludis/repositories/gems/installed_gems_repository.cc
+++ b/paludis/repositories/gems/installed_gems_repository.cc
@@ -41,6 +41,10 @@
 #include <paludis/literal_metadata_key.hh>
 #include <paludis/distribution.hh>
 #include <paludis/action.hh>
+#include <paludis/generator.hh>
+#include <paludis/filter.hh>
+#include <paludis/filtered_generator.hh>
+#include <paludis/selection.hh>
 #include <tr1/unordered_map>
 
 using namespace paludis;
@@ -100,7 +104,6 @@ InstalledGemsRepository::InstalledGemsRepository(const gems::InstalledRepository
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
@@ -418,3 +421,36 @@ InstalledGemsRepository::repository_factory_create(
                 )));
 }
 
+namespace
+{
+    std::tr1::shared_ptr<SetSpecTree> get_everything_set(
+            const Environment * const env,
+            const Repository * const repo)
+    {
+        Context context("When making 'everything' set from '" + stringify(repo->name()) + "':");
+
+        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
+
+        std::tr1::shared_ptr<const PackageIDSequence> ids((*env)[selection::BestVersionOnly(
+                    generator::InRepository(repo->name()))]);
+        for (PackageIDSequence::ConstIterator i(ids->begin()), i_end(ids->end()) ;
+                i != i_end ; ++i)
+            result->root()->append(make_shared_ptr(new PackageDepSpec(
+                            make_package_dep_spec(PartiallyMadePackageDepSpecOptions())
+                            .package((*i)->name())
+                            )));
+
+        return result;
+    }
+}
+
+void
+InstalledGemsRepository::populate_sets() const
+{
+    _imp->params.environment()->add_set(
+            SetName("everything"),
+            SetName("everything::" + stringify(name())),
+            std::tr1::bind(get_everything_set, _imp->params.environment(), this),
+            true);
+}
+
diff --git a/paludis/repositories/gems/installed_gems_repository.hh b/paludis/repositories/gems/installed_gems_repository.hh
index 2b7323e..22a9fc0 100644
--- a/paludis/repositories/gems/installed_gems_repository.hh
+++ b/paludis/repositories/gems/installed_gems_repository.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2007, 2008, 2009 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
@@ -121,6 +121,13 @@ namespace paludis
                     const std::tr1::function<std::string (const std::string &)> &);
 
             ///\}
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }
 
diff --git a/paludis/repositories/unavailable/unavailable_repository.cc b/paludis/repositories/unavailable/unavailable_repository.cc
index ed26457..2ed4b43 100644
--- a/paludis/repositories/unavailable/unavailable_repository.cc
+++ b/paludis/repositories/unavailable/unavailable_repository.cc
@@ -94,7 +94,6 @@ UnavailableRepository::UnavailableRepository(const UnavailableRepositoryParams &
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(this),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
@@ -345,5 +344,10 @@ UnavailableRepository::repository_factory_dependencies(
     return make_shared_ptr(new RepositoryNameSet);
 }
 
+void
+UnavailableRepository::populate_sets() const
+{
+}
+
 template class PrivateImplementationPattern<unavailable_repository::UnavailableRepository>;
 
diff --git a/paludis/repositories/unavailable/unavailable_repository.hh b/paludis/repositories/unavailable/unavailable_repository.hh
index 68a15fb..657093b 100644
--- a/paludis/repositories/unavailable/unavailable_repository.hh
+++ b/paludis/repositories/unavailable/unavailable_repository.hh
@@ -110,7 +110,14 @@ namespace paludis
                         const std::tr1::function<std::string (const std::string &)> &);
 
                 ///\}
-        };
+
+                ///\name Set methods
+                ///\{
+
+                virtual void populate_sets() const;
+
+                ///\}
+            };
     }
 
 #ifdef PALUDIS_HAVE_EXTERN_TEMPLATE
diff --git a/paludis/repositories/unpackaged/installed_repository.cc b/paludis/repositories/unpackaged/installed_repository.cc
index dc154ab..c8431e3 100644
--- a/paludis/repositories/unpackaged/installed_repository.cc
+++ b/paludis/repositories/unpackaged/installed_repository.cc
@@ -42,6 +42,10 @@
 #include <paludis/metadata_key.hh>
 #include <paludis/literal_metadata_key.hh>
 #include <paludis/user_dep_spec.hh>
+#include <paludis/generator.hh>
+#include <paludis/filtered_generator.hh>
+#include <paludis/filter.hh>
+#include <paludis/selection.hh>
 #include <sstream>
 #include <sys/time.h>
 
@@ -95,7 +99,6 @@ InstalledUnpackagedRepository::InstalledUnpackagedRepository(
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(this),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
@@ -417,50 +420,6 @@ InstalledUnpackagedRepository::deindex(const QualifiedPackageName & q) const
     _imp->ndbam.deindex(q);
 }
 
-const std::tr1::shared_ptr<const SetSpecTree>
-InstalledUnpackagedRepository::package_set(const SetName & s) const
-{
-    using namespace std::tr1::placeholders;
-
-    Context context("When fetching package set '" + stringify(s) + "' from '" +
-            stringify(name()) + "':");
-
-    if ("everything" == s.data())
-    {
-        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
-        std::tr1::shared_ptr<GeneralSetDepTag> tag(new GeneralSetDepTag(s, stringify(name())));
-
-        std::tr1::shared_ptr<const CategoryNamePartSet> cats(category_names());
-        for (CategoryNamePartSet::ConstIterator c(cats->begin()), c_end(cats->end()) ;
-                c != c_end ; ++c)
-        {
-            std::tr1::shared_ptr<const QualifiedPackageNameSet> pkgs(package_names(*c));
-            for (QualifiedPackageNameSet::ConstIterator e(pkgs->begin()), e_end(pkgs->end()) ;
-                    e != e_end ; ++e)
-            {
-                std::tr1::shared_ptr<PackageDepSpec> spec(new PackageDepSpec(make_package_dep_spec(PartiallyMadePackageDepSpecOptions()
-                                ).package(QualifiedPackageName(*e))));
-                spec->set_tag(tag);
-                result->root()->append(spec);
-            }
-        }
-
-        return result;
-    }
-    else
-        return make_null_shared_ptr();
-}
-
-std::tr1::shared_ptr<const SetNameSet>
-InstalledUnpackagedRepository::sets_list() const
-{
-    Context context("While generating the list of sets:");
-
-    std::tr1::shared_ptr<SetNameSet> result(new SetNameSet);
-    result->insert(SetName("everything"));
-    return result;
-}
-
 void
 InstalledUnpackagedRepository::need_keys_added() const
 {
@@ -523,3 +482,36 @@ InstalledUnpackagedRepository::repository_factory_dependencies(
     return make_shared_ptr(new RepositoryNameSet);
 }
 
+namespace
+{
+    std::tr1::shared_ptr<SetSpecTree> get_everything_set(
+            const Environment * const env,
+            const Repository * const repo)
+    {
+        Context context("When making 'everything' set from '" + stringify(repo->name()) + "':");
+
+        std::tr1::shared_ptr<SetSpecTree> result(new SetSpecTree(make_shared_ptr(new AllDepSpec)));
+
+        std::tr1::shared_ptr<const PackageIDSequence> ids((*env)[selection::BestVersionOnly(
+                    generator::InRepository(repo->name()))]);
+        for (PackageIDSequence::ConstIterator i(ids->begin()), i_end(ids->end()) ;
+                i != i_end ; ++i)
+            result->root()->append(make_shared_ptr(new PackageDepSpec(
+                            make_package_dep_spec(PartiallyMadePackageDepSpecOptions())
+                            .package((*i)->name())
+                            )));
+
+        return result;
+    }
+}
+
+void
+InstalledUnpackagedRepository::populate_sets() const
+{
+    _imp->params.environment()->add_set(
+            SetName("everything"),
+            SetName("everything::" + stringify(name())),
+            std::tr1::bind(get_everything_set, _imp->params.environment(), this),
+            true);
+}
+
diff --git a/paludis/repositories/unpackaged/installed_repository.hh b/paludis/repositories/unpackaged/installed_repository.hh
index 11f7dc2..1189e8b 100644
--- a/paludis/repositories/unpackaged/installed_repository.hh
+++ b/paludis/repositories/unpackaged/installed_repository.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2007, 2008, 2009 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
@@ -47,8 +47,7 @@ namespace paludis
     class PALUDIS_VISIBLE InstalledUnpackagedRepository :
         private PrivateImplementationPattern<InstalledUnpackagedRepository>,
         public Repository,
-        public RepositoryDestinationInterface,
-        public RepositorySetsInterface
+        public RepositoryDestinationInterface
     {
         private:
             PrivateImplementationPattern<InstalledUnpackagedRepository>::ImpPtr & _imp;
@@ -80,9 +79,6 @@ namespace paludis
 
             void deindex(const QualifiedPackageName &) const;
 
-            virtual std::tr1::shared_ptr<const SetNameSet> sets_list() const
-                PALUDIS_ATTRIBUTE((warn_unused_result));
-
             virtual std::tr1::shared_ptr<const PackageIDSequence> package_ids(
                     const QualifiedPackageName &) const
                 PALUDIS_ATTRIBUTE((warn_unused_result));
@@ -106,9 +102,6 @@ namespace paludis
 
             virtual bool some_ids_might_support_action(const SupportsActionTestBase &) const;
 
-            virtual const std::tr1::shared_ptr<const SetSpecTree> package_set(const SetName & id) const
-                PALUDIS_ATTRIBUTE((warn_unused_result));
-
             /* Keys */
 
             virtual const std::tr1::shared_ptr<const MetadataValueKey<std::string> > format_key() const;
@@ -131,6 +124,13 @@ namespace paludis
                     const std::tr1::function<std::string (const std::string &)> &);
 
             ///\}
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }
 
diff --git a/paludis/repositories/unpackaged/unpackaged_repository.cc b/paludis/repositories/unpackaged/unpackaged_repository.cc
index e3ca4c4..05022ca 100644
--- a/paludis/repositories/unpackaged/unpackaged_repository.cc
+++ b/paludis/repositories/unpackaged/unpackaged_repository.cc
@@ -104,7 +104,6 @@ UnpackagedRepository::UnpackagedRepository(const RepositoryName & n,
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
@@ -278,3 +277,8 @@ UnpackagedRepository::repository_factory_dependencies(
     return make_shared_ptr(new RepositoryNameSet);
 }
 
+void
+UnpackagedRepository::populate_sets() const
+{
+}
+
diff --git a/paludis/repositories/unpackaged/unpackaged_repository.hh b/paludis/repositories/unpackaged/unpackaged_repository.hh
index 826cadc..2b60131 100644
--- a/paludis/repositories/unpackaged/unpackaged_repository.hh
+++ b/paludis/repositories/unpackaged/unpackaged_repository.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2007, 2008, 2009 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
@@ -123,6 +123,13 @@ namespace paludis
                     const std::tr1::function<std::string (const std::string &)> &);
 
             ///\}
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }
 
diff --git a/paludis/repositories/unwritten/unwritten_repository.cc b/paludis/repositories/unwritten/unwritten_repository.cc
index 4eed1d9..7c7f032 100644
--- a/paludis/repositories/unwritten/unwritten_repository.cc
+++ b/paludis/repositories/unwritten/unwritten_repository.cc
@@ -94,7 +94,6 @@ UnwrittenRepository::UnwrittenRepository(const UnwrittenRepositoryParams & p) :
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(this),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
                 )),
@@ -345,6 +344,11 @@ UnwrittenRepository::repository_factory_dependencies(
     return make_shared_ptr(new RepositoryNameSet);
 }
 
+void
+UnwrittenRepository::populate_sets() const
+{
+}
+
 template class PrivateImplementationPattern<unwritten_repository::UnwrittenRepository>;
 
 
diff --git a/paludis/repositories/unwritten/unwritten_repository.hh b/paludis/repositories/unwritten/unwritten_repository.hh
index f61a687..bcb9a38 100644
--- a/paludis/repositories/unwritten/unwritten_repository.hh
+++ b/paludis/repositories/unwritten/unwritten_repository.hh
@@ -109,6 +109,13 @@ namespace paludis
                         const std::tr1::function<std::string (const std::string &)> &);
 
                 ///\}
+
+                ///\name Set methods
+                ///\{
+
+                virtual void populate_sets() const;
+
+                ///\}
         };
     }
 
diff --git a/paludis/repositories/virtuals/installed_virtuals_repository.cc b/paludis/repositories/virtuals/installed_virtuals_repository.cc
index 60820bf..98bf8bd 100644
--- a/paludis/repositories/virtuals/installed_virtuals_repository.cc
+++ b/paludis/repositories/virtuals/installed_virtuals_repository.cc
@@ -119,7 +119,6 @@ InstalledVirtualsRepository::InstalledVirtualsRepository(const Environment * con
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
@@ -389,3 +388,8 @@ InstalledVirtualsRepository::merge(const MergeParams &)
     throw InternalError(PALUDIS_HERE, "can't merge to installed virtuals");
 }
 
+void
+InstalledVirtualsRepository::populate_sets() const
+{
+}
+
diff --git a/paludis/repositories/virtuals/installed_virtuals_repository.hh b/paludis/repositories/virtuals/installed_virtuals_repository.hh
index af9e9e0..5a72619 100644
--- a/paludis/repositories/virtuals/installed_virtuals_repository.hh
+++ b/paludis/repositories/virtuals/installed_virtuals_repository.hh
@@ -126,6 +126,11 @@ namespace paludis
 
             virtual void merge(const MergeParams &) PALUDIS_ATTRIBUTE((noreturn));
 
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
             ///\}
     };
 }
diff --git a/paludis/repositories/virtuals/virtuals_repository.cc b/paludis/repositories/virtuals/virtuals_repository.cc
index 9bbb64d..f88c59c 100644
--- a/paludis/repositories/virtuals/virtuals_repository.cc
+++ b/paludis/repositories/virtuals/virtuals_repository.cc
@@ -130,7 +130,6 @@ VirtualsRepository::VirtualsRepository(const Environment * const env) :
                 value_for<n::mirrors_interface>(static_cast<RepositoryMirrorsInterface *>(0)),
                 value_for<n::provides_interface>(static_cast<RepositoryProvidesInterface *>(0)),
                 value_for<n::qa_interface>(static_cast<RepositoryQAInterface *>(0)),
-                value_for<n::sets_interface>(static_cast<RepositorySetsInterface *>(0)),
                 value_for<n::syncable_interface>(static_cast<RepositorySyncableInterface *>(0)),
                 value_for<n::virtuals_interface>(static_cast<RepositoryVirtualsInterface *>(0))
             )),
@@ -459,3 +458,8 @@ VirtualsRepository::repository_factory_dependencies(
     return make_shared_ptr(new RepositoryNameSet);
 }
 
+void
+VirtualsRepository::populate_sets() const
+{
+}
+
diff --git a/paludis/repositories/virtuals/virtuals_repository.hh b/paludis/repositories/virtuals/virtuals_repository.hh
index ce7e26e..cf33555 100644
--- a/paludis/repositories/virtuals/virtuals_repository.hh
+++ b/paludis/repositories/virtuals/virtuals_repository.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2006, 2007, 2008 Ciaran McCreesh
+ * Copyright (c) 2006, 2007, 2008, 2009 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
@@ -114,6 +114,13 @@ namespace paludis
             virtual const std::tr1::shared_ptr<const MetadataValueKey<std::string> > format_key() const;
             virtual const std::tr1::shared_ptr<const MetadataValueKey<FSEntry> > location_key() const;
             virtual const std::tr1::shared_ptr<const MetadataValueKey<FSEntry> > installed_root_key() const;
+
+            ///\name Set methods
+            ///\{
+
+            virtual void populate_sets() const;
+
+            ///\}
     };
 }