[libgit2-glib] Track remote wrappers in a registry

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 5adde8c36a26e8f82798935ab602edd4de23c7b4
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Wed Dec 24 13:35:54 2014 +0100

    Track remote wrappers in a registry

 libgit2-glib/ggit-repository.c |   62 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 62 insertions(+), 0 deletions(-)
---
diff --git a/libgit2-glib/ggit-repository.c b/libgit2-glib/ggit-repository.c
index 68f126f..c1d25ba 100644
--- a/libgit2-glib/ggit-repository.c
+++ b/libgit2-glib/ggit-repository.c
@@ -74,10 +74,53 @@ G_DEFINE_TYPE_EXTENDED (GgitRepository, ggit_repository, GGIT_TYPE_NATIVE,
                         G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
                                                ggit_repository_initable_iface_init))
 
+static GHashTable *registry = NULL;
+
+static GgitRepository *
+repository_from_registry (git_repository *repository)
+{
+       if (registry == NULL)
+       {
+               return NULL;
+       }
+
+       return g_hash_table_lookup (registry, repository);
+}
+
+static void
+register_repository (git_repository *repository,
+                     GgitRepository *wrapper)
+{
+       if (registry == NULL)
+       {
+               registry = g_hash_table_new (g_direct_hash, g_direct_equal);
+       }
+
+       g_hash_table_insert (registry, repository, wrapper);
+}
+
+static void
+unregister_repository (git_repository *repository)
+{
+       if (registry == NULL)
+       {
+               return;
+       }
+
+       g_hash_table_remove (registry, repository);
+
+       if (g_hash_table_size (registry) == 0)
+       {
+               g_hash_table_destroy (registry);
+               registry = NULL;
+       }
+}
+
 static void
 ggit_repository_finalize (GObject *object)
 {
        GgitRepositoryPrivate *priv = GGIT_REPOSITORY (object)->priv;
+       git_repository *repo;
 
        g_free (priv->url);
        g_clear_object (&priv->location);
@@ -88,6 +131,13 @@ ggit_repository_finalize (GObject *object)
                ggit_clone_options_free (priv->clone_options);
        }
 
+       repo = _ggit_native_get (object);
+
+       if (repo != NULL)
+       {
+               unregister_repository (repo);
+       }
+
        G_OBJECT_CLASS (ggit_repository_parent_class)->finalize (object);
 }
 
@@ -391,6 +441,13 @@ _ggit_repository_wrap (git_repository *repository,
 {
        GgitRepository *ret;
 
+       ret = repository_from_registry (repository);
+
+       if (ret != NULL)
+       {
+               return g_object_ref (ret);
+       }
+
        ret = g_object_new (GGIT_TYPE_REPOSITORY,
                            "native", repository,
                            NULL);
@@ -403,6 +460,11 @@ _ggit_repository_wrap (git_repository *repository,
                                               (GDestroyNotify)git_repository_free);
        }
 
+       if (owned)
+       {
+               register_repository (repository, ret);
+       }
+
        return ret;
 }