commit f5af9b0477899e2c246ca8ff8fe5b42ba02e8009
Author: Richard Hughes <richard@hughsie.com>
Date:   Mon Mar 16 15:16:43 2009 +0000

    feature: add a UseUpdateCache config variable to be able to turn off the updates cache for debugging

diff --git a/etc/PackageKit.conf.in b/etc/PackageKit.conf.in
index bc0bea2..c2f1303 100644
--- a/etc/PackageKit.conf.in
+++ b/etc/PackageKit.conf.in
@@ -104,3 +104,11 @@ UpdateCheckProcesses=true
 # default=true
 CheckTestingRepos=true
 
+# Use update cache when possible to avoid using the backend
+#
+# NOTE: Don't disable this unless you're trying to find bugs in packagekitd
+# and you want your backend to service every request.
+#
+# default=true
+UseUpdateCache=true
+
diff --git a/src/pk-transaction.c b/src/pk-transaction.c
index 89f4c04..be79ae4 100644
--- a/src/pk-transaction.c
+++ b/src/pk-transaction.c
@@ -2497,7 +2497,8 @@ pk_transaction_get_updates (PkTransaction *transaction, const gchar *filter, DBu
 
 	/* try and reuse cache */
 	updates_cache = pk_cache_get_updates (transaction->priv->cache);
-	if (updates_cache != NULL) {
+	ret = pk_conf_get_bool (transaction->priv->conf, "UseUpdateCache");
+	if (ret && updates_cache != NULL) {
 		const PkPackageObj *obj;
 		const gchar *info_text;
 		guint i;