[packagekit] packagekit: Branch 'master'

[Richard Hughes]

 docs/backends.xml |    5 +++++
 src/pk-backend.c  |   27 +++++++++++++++++++++++++++
 src/pk-backend.h  |    2 ++
 src/pk-engine.c   |   23 +++++++++++++++++++++++
 4 files changed, 57 insertions(+)

New commits:
commit 667411b5e0e26dcc89fc484bddc1c3b795dcb96a
Author: Richard Hughes <richard at hughsie.com>
Date:   Sat Oct 13 21:47:33 2007 +0100

    add the change-transaction-data signal callback for the future rollback stuff

diff --git a/docs/backends.xml b/docs/backends.xml
index 51217a4..a0d4b01 100644
--- a/docs/backends.xml
+++ b/docs/backends.xml
@@ -175,6 +175,11 @@
             <entry><literal>stdout</literal></entry>
           </row>
           <row>
+            <entry>ChangeTransactionData</entry>
+            <entry><literal>change-transaction-data[tab]data</literal></entry>
+            <entry><literal>stdout</literal></entry>
+          </row>
+          <row>
             <entry>RepoSignatureRequired</entry>
             <entry><literal>repository_name[tab]key_url[tab]key_userid[tab]key_id[tab]key_fingerprint[tab]key_timestamp[tab]type</literal></entry>
             <entry><literal>stdout</literal></entry>
diff --git a/src/pk-backend.c b/src/pk-backend.c
index 8893af8..ce9e323 100644
--- a/src/pk-backend.c
+++ b/src/pk-backend.c
@@ -96,6 +96,7 @@ enum {
 	PK_BACKEND_UPDATES_CHANGED,
 	PK_BACKEND_REPO_SIGNATURE_REQUIRED,
 	PK_BACKEND_REQUIRE_RESTART,
+	PK_BACKEND_CHANGE_TRANSACTION_DATA,
 	PK_BACKEND_FINISHED,
 	PK_BACKEND_ALLOW_INTERRUPT,
 	PK_BACKEND_LAST_SIGNAL
@@ -359,6 +360,13 @@ pk_backend_parse_common_error (PkBackend *backend, const gchar *line)
 		}
 		restart_enum = pk_restart_enum_from_text (sections[1]);
 		pk_backend_require_restart (backend, restart_enum, sections[2]);
+	} else if (strcmp (command, "change-transaction-data") == 0) {
+		if (size != 2) {
+			g_warning ("invalid command '%s'", command);
+			ret = FALSE;
+			goto out;
+		}
+		pk_backend_change_transaction_data (backend, sections[1]);
 	} else if (strcmp (command, "status") == 0) {
 		if (size != 2) {
 			g_warning ("invalid command '%s'", command);
@@ -742,6 +750,20 @@ pk_backend_require_restart (PkBackend *backend, PkRestartEnum restart, const gch
 }
 
 /**
+ * pk_backend_change_transaction_data:
+ **/
+gboolean
+pk_backend_change_transaction_data (PkBackend *backend, const gchar *data)
+{
+	g_return_val_if_fail (backend != NULL, FALSE);
+	g_return_val_if_fail (PK_IS_BACKEND (backend), FALSE);
+
+	pk_debug ("emit change-transaction-data %s", data);
+	g_signal_emit (backend, signals [PK_BACKEND_CHANGE_TRANSACTION_DATA], 0, data);
+	return TRUE;
+}
+
+/**
  * pk_backend_description:
  **/
 gboolean
@@ -1572,6 +1594,11 @@ pk_backend_class_init (PkBackendClass *klass)
 			      G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
 			      0, NULL, NULL, pk_marshal_VOID__UINT_STRING,
 			      G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING);
+	signals [PK_BACKEND_CHANGE_TRANSACTION_DATA] =
+		g_signal_new ("change-transaction-data",
+			      G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
+			      0, NULL, NULL, g_cclosure_marshal_VOID__STRING,
+			      G_TYPE_NONE, 1, G_TYPE_STRING);
 	signals [PK_BACKEND_DESCRIPTION] =
 		g_signal_new ("description",
 			      G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
diff --git a/src/pk-backend.h b/src/pk-backend.h
index ab50d33..457c464 100644
--- a/src/pk-backend.h
+++ b/src/pk-backend.h
@@ -78,6 +78,8 @@ gboolean         pk_backend_repo_signature_required     (PkBackend      *backend
 							 PkSigTypeEnum   type);
 gboolean	 pk_backend_spawn_helper		(PkBackend	*backend,
 							 const gchar	*script, ...);
+gboolean	 pk_backend_change_transaction_data	(PkBackend	*backend,
+							 const gchar	*data);
 gboolean	 pk_backend_spawn_kill			(PkBackend	*backend);
 gboolean	 pk_backend_allow_interrupt		(PkBackend	*backend,
 							 gboolean	 allow_restart);
diff --git a/src/pk-engine.c b/src/pk-engine.c
index 334e1b8..e5c66a1 100644
--- a/src/pk-engine.c
+++ b/src/pk-engine.c
@@ -572,6 +572,27 @@ pk_engine_allow_interrupt_cb (PkBackend *backend, gboolean allow_kill, PkEngine
 }
 
 /**
+ * pk_engine_change_transaction_data_cb:
+ **/
+static void
+pk_engine_change_transaction_data_cb (PkBackend *backend, gchar *data, PkEngine *engine)
+{
+	PkTransactionItem *item;
+
+	g_return_if_fail (engine != NULL);
+	g_return_if_fail (PK_IS_ENGINE (engine));
+
+	item = pk_transaction_list_get_from_backend (engine->priv->transaction_list, backend);
+	if (item == NULL) {
+		pk_warning ("could not find backend");
+		return;
+	}
+
+	/* change the database */
+	pk_warning ("TODO: change the item->tid and resave to database");
+}
+
+/**
  * pk_engine_new_backend:
  **/
 static PkBackend *
@@ -619,6 +640,8 @@ pk_engine_new_backend (PkEngine *engine)
 			  G_CALLBACK (pk_engine_description_cb), engine);
 	g_signal_connect (backend, "allow-interrupt",
 			  G_CALLBACK (pk_engine_allow_interrupt_cb), engine);
+	g_signal_connect (backend, "change-transaction-data",
+			  G_CALLBACK (pk_engine_change_transaction_data_cb), engine);
 
 	/* initialise some stuff */
 	pk_engine_reset_timer (engine);