another try to fix #37, please test and report

src/common.vala

@@ -30,6 +30,11 @@ namespace Pamac {
 		public bool is_syncfirst;
 		public UpdateInfos[] repos_updates;
 		public UpdateInfos[] aur_updates;
+		public Updates () {
+			is_syncfirst = false;
+			repos_updates = {};
+			aur_updates = {};
+		}
 	}
 
 	public enum Mode {

src/daemon.vala

@@ -35,9 +35,8 @@ namespace Pamac {
 		public Mutex provider_mutex;
 		public int? choosen_provider;
 		private Mutex databases_lock_mutex;
-		private HashTable<string, Json.Array> aur_results;
-		private UpdateInfos[] aur_updates;
-		private bool aur_updates_checked;
+		private HashTable<string, Json.Array> aur_search_results;
+		private Json.Array aur_updates_results;
 		private bool intern_lock;
 		private bool extern_lock;
 
@@ -61,8 +60,8 @@ namespace Pamac {
 		public Daemon () {
 			alpm_config = new Alpm.Config ("/etc/pacman.conf");
 			databases_lock_mutex = Mutex ();
-			aur_results = new HashTable<string, Json.Array> (str_hash, str_equal);
-			aur_updates_checked = false;
+			aur_search_results = new HashTable<string, Json.Array> (str_hash, str_equal);
+			aur_updates_results = new Json.Array ();
 			intern_lock = false;
 			extern_lock = false;
 			Timeout.add (500, check_pacman_running);
@@ -91,7 +90,6 @@ namespace Pamac {
 			if (extern_lock) {
 				if (lockfile.query_exists () == false) {
 					extern_lock = false;
-					aur_updates_checked = false;
 					refresh_handle ();
 				}
 			} else {
@@ -424,11 +422,11 @@ namespace Pamac {
 			}
 			if (search_from_aur) {
 				Json.Array aur_pkgs;
-				if (aur_results.contains (search_string)) {
-					aur_pkgs = aur_results.get (search_string);
+				if (aur_search_results.contains (search_string)) {
+					aur_pkgs = aur_search_results.get (search_string);
 				} else {
 					aur_pkgs = AUR.search (splitted);
-					aur_results.insert (search_string, aur_pkgs);
+					aur_search_results.insert (search_string, aur_pkgs);
 				}
 				foreach (var node in aur_pkgs.get_elements ()) {
 					var aur_pkg = node.get_object ();
@@ -613,7 +611,6 @@ namespace Pamac {
 			var infos = UpdateInfos ();
 			UpdateInfos[] updates_infos = {};
 			var updates = Updates ();
-			updates.aur_updates = {};
 			unowned Alpm.Package? pkg = null;
 			unowned Alpm.Package? candidate = null;
 			foreach (var name in alpm_config.syncfirsts) {
@@ -663,18 +660,18 @@ namespace Pamac {
 						}
 					}
 				}
-				updates.is_syncfirst = false;
 				updates.repos_updates = updates_infos;
 				if (enable_aur) {
-					if (aur_updates_checked == false) {
 					// get aur updates
-						aur_updates = {};
-						var aur_pkgs = AUR.multiinfo (local_pkgs);
+					if (aur_updates_results.get_length () == 0) {
+						aur_updates_results = AUR.multiinfo (local_pkgs);
+					}
 					int cmp;
 					unowned Json.Object pkg_info;
 					string version;
 					string name;
-						foreach (var node in aur_pkgs.get_elements ()) {
+					updates_infos = {};
+					foreach (var node in aur_updates_results.get_elements ()) {
 						pkg_info = node.get_object ();
 						version = pkg_info.get_string_member ("Version");
 						name = pkg_info.get_string_member ("Name");
@@ -685,12 +682,10 @@ namespace Pamac {
 							infos.db_name = "AUR";
 							infos.tarpath = pkg_info.get_string_member ("URLPath");
 							infos.download_size = 0;
-								aur_updates += infos;
+							updates_infos += infos;
 						}
 					}
-						aur_updates_checked = true;
-					}
-					updates.aur_updates = aur_updates;
+					updates.aur_updates = updates_infos;
 				}
 				return updates;
 			}

src/transaction.vala

@@ -1368,8 +1368,12 @@ namespace Pamac {
 			Source.remove (pulse_timeout_id);
 			to_build.steal_all ();
 			build_status = status;
+			// let the time to the daemon to update packages
+			Timeout.add (1000, () => {
 				var err = ErrorInfos ();
 				on_trans_commit_finished (err);
+				return false;
+			});
 		}
 
 		void on_write_pamac_config_finished (int refresh_period, bool aur_enabled, bool recurse) {

src/tray.vala

@@ -197,7 +197,11 @@ namespace Pamac {
 			if (locked) {
 				if (lockfile.query_exists () == false) {
 					locked = false;
+					// let the time to the daemon to update packages
+					Timeout.add (1000, () => {
 						check_updates ();
+						return false;
+					});
 				}
 			} else {
 				if (lockfile.query_exists () == true) {