[tracker-miners/wip/carlosg/shuffle-libtracker-miner: 53/116] libtracker-miner: Ignore root folder when crawling at places



commit 44ceecba24c10823e31b3869d170522879e23b4c
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jun 20 23:07:42 2018 +0200

    libtracker-miner: Ignore root folder when crawling at places
    
    There's 2 situations where they may be avoided:
    1) When crawling a new folder after it's been detected through
       TrackerMonitor, as ::file-created is emitted right away since
       commit 09408f1dcad.
    2) When a directory is moved, as ::file-moved will be emitted
       for it in advance.
    
    In these situations it's wrong/undesirable to maybe emit
    ::file-created/-updated for those.

 src/libtracker-miner/tracker-file-notifier.c | 39 +++++++++++++++-------------
 1 file changed, 21 insertions(+), 18 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-notifier.c b/src/libtracker-miner/tracker-file-notifier.c
index f4a0e30d0..780a94004 100644
--- a/src/libtracker-miner/tracker-file-notifier.c
+++ b/src/libtracker-miner/tracker-file-notifier.c
@@ -65,6 +65,7 @@ typedef struct {
        guint files_found;
        guint files_ignored;
        guint current_dir_content_filtered : 1;
+       guint ignore_root                  : 1;
 } RootData;
 
 typedef struct {
@@ -161,7 +162,8 @@ tracker_file_notifier_get_property (GObject    *object,
 static RootData *
 root_data_new (TrackerFileNotifier *notifier,
                GFile               *file,
-               guint                flags)
+               guint                flags,
+               gboolean             ignore_root)
 {
        RootData *data;
 
@@ -170,6 +172,7 @@ root_data_new (TrackerFileNotifier *notifier,
        data->pending_dirs = g_queue_new ();
        data->query_files = g_ptr_array_new_with_free_func (g_object_unref);
        data->flags = flags;
+       data->ignore_root = ignore_root;
 
        g_queue_push_tail (data->pending_dirs, g_object_ref (file));
 
@@ -295,7 +298,8 @@ file_notifier_traverse_tree_foreach (GFile    *file,
         * it here again.
         */
        if (current_root == file &&
-           current_root != priv->current_index_root->root) {
+           (current_root != priv->current_index_root->root ||
+            priv->current_index_root->ignore_root)) {
                g_free (store_mtime);
                g_free (disk_mtime);
                return FALSE;
@@ -1024,7 +1028,8 @@ find_directory_root (RootData *data,
 static void
 notifier_queue_root (TrackerFileNotifier   *notifier,
                      GFile                 *file,
-                     TrackerDirectoryFlags  flags)
+                     TrackerDirectoryFlags  flags,
+                     gboolean               ignore_root)
 {
        TrackerFileNotifierPrivate *priv = notifier->priv;
        RootData *data;
@@ -1037,7 +1042,7 @@ notifier_queue_root (TrackerFileNotifier   *notifier,
                                (GCompareFunc) find_directory_root))
                return;
 
-       data = root_data_new (notifier, file, flags);
+       data = root_data_new (notifier, file, flags, ignore_root);
 
        if (flags & TRACKER_DIRECTORY_FLAG_PRIORITY) {
                priv->pending_index_roots = g_list_prepend (priv->pending_index_roots, data);
@@ -1151,13 +1156,11 @@ monitor_item_created_cb (TrackerMonitor *monitor,
                                                                  file,
                                                                  file_type,
                                                                  NULL);
-                       notifier_queue_root (notifier, canonical, flags);
+                       notifier_queue_root (notifier, canonical, flags, TRUE);
 
-                       /* Fall though, even though the folder can be notified
-                        * indirectly through notifier_queue_root(), we want
-                        * ::file-created to be emitted ASAP so it is ensured
-                        * to be processed before any possible monitor events
-                        * we might get afterwards.
+                       /* Fall though, we want ::file-created to be emitted
+                        * ASAP so it is ensured to be processed before any
+                        * possible monitor events we might get afterwards.
                         */
                }
        }
@@ -1293,7 +1296,7 @@ monitor_item_deleted_cb (TrackerMonitor *monitor,
                                                             NULL);
                        tracker_indexing_tree_get_root (priv->indexing_tree,
                                                        file, &flags);
-                       notifier_queue_root (notifier, file, flags);
+                       notifier_queue_root (notifier, file, flags, FALSE);
                        return;
                }
        }
@@ -1345,7 +1348,7 @@ monitor_item_moved_cb (TrackerMonitor *monitor,
                                                                   other_file,
                                                                   G_FILE_TYPE_DIRECTORY,
                                                                   NULL);
-                       notifier_queue_root (notifier, other_file, flags);
+                       notifier_queue_root (notifier, other_file, flags, FALSE);
                }
                /* else, file, do nothing */
        } else {
@@ -1402,7 +1405,7 @@ monitor_item_moved_cb (TrackerMonitor *monitor,
                                        g_signal_emit (notifier, signals[FILE_CREATED], 0, other_file);
                                } else if (is_directory) {
                                        /* Crawl dest directory */
-                                       notifier_queue_root (notifier, other_file, flags);
+                                       notifier_queue_root (notifier, other_file, flags, FALSE);
                                }
                        }
                        /* Else, do nothing else */
@@ -1437,7 +1440,7 @@ monitor_item_moved_cb (TrackerMonitor *monitor,
                                         */
                                } else if (!source_is_recursive && dest_is_recursive) {
                                        /* crawl the folder */
-                                       notifier_queue_root (notifier, other_file, flags);
+                                       notifier_queue_root (notifier, other_file, flags, TRUE);
                                }
                        }
 
@@ -1471,7 +1474,7 @@ indexing_tree_directory_added (TrackerIndexingTree *indexing_tree,
 
        directory = tracker_file_system_get_file (priv->file_system, directory,
                                                  G_FILE_TYPE_DIRECTORY, NULL);
-       notifier_queue_root (notifier, directory, flags);
+       notifier_queue_root (notifier, directory, flags, FALSE);
 }
 
 static void
@@ -1488,7 +1491,7 @@ indexing_tree_directory_updated (TrackerIndexingTree *indexing_tree,
 
        directory = tracker_file_system_get_file (priv->file_system, directory,
                                                  G_FILE_TYPE_DIRECTORY, NULL);
-       notifier_queue_root (notifier, directory, flags);
+       notifier_queue_root (notifier, directory, flags, FALSE);
 }
 
 static void
@@ -1526,7 +1529,7 @@ indexing_tree_directory_removed (TrackerIndexingTree *indexing_tree,
                                                        &parent_flags);
 
                        if (parent_flags & TRACKER_DIRECTORY_FLAG_RECURSE) {
-                               notifier_queue_root (notifier, directory, parent_flags);
+                               notifier_queue_root (notifier, directory, parent_flags, FALSE);
                        } else if (tracker_indexing_tree_file_is_root (indexing_tree,
                                                                       parent)) {
                                g_signal_emit (notifier, signals[FILE_CREATED],
@@ -1601,7 +1604,7 @@ indexing_tree_child_updated (TrackerIndexingTree *indexing_tree,
            (flags & TRACKER_DIRECTORY_FLAG_RECURSE)) {
                flags |= TRACKER_DIRECTORY_FLAG_CHECK_DELETED;
 
-               notifier_queue_root (notifier, canonical, flags);
+               notifier_queue_root (notifier, canonical, flags, FALSE);
        } else if (tracker_indexing_tree_file_is_indexable (priv->indexing_tree,
                                                            canonical, child_type)) {
                g_signal_emit (notifier, signals[FILE_UPDATED], 0, canonical, FALSE);


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