[tracker/wip/rishi/non-native: 4/8] libtracker-miner: Support caching non-native files

[Debarshi Ray <debarshir src gnome org>]

commit 3ab22bb80294fe9273931d29ddcf345d6cf38793
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Jan 9 12:27:23 2018 +0100

    libtracker-miner: Support caching non-native files
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792337

 src/libtracker-miner/tracker-file-system.c |   51 ++++++++++++++++++++++------
 1 files changed, 40 insertions(+), 11 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-file-system.c b/src/libtracker-miner/tracker-file-system.c
index 6c42e6a..b775b85 100644
--- a/src/libtracker-miner/tracker-file-system.c
+++ b/src/libtracker-miner/tracker-file-system.c
@@ -261,21 +261,50 @@ file_tree_lookup (GNode     *tree,
 
                g_free (parent_uri);
        } else {
-               /* First check the root node */
-               if (!file_node_data_equal_or_child (tree, uri, &ptr)) {
+               FileNodeData *root_data;
+               gchar *file_scheme = NULL;
+               gchar *root_scheme = NULL;
+               gchar *root_uri = NULL;
+
+               file_scheme = g_file_get_uri_scheme (file);
+
+               root_data = tree->data;
+               root_scheme = g_file_get_uri_scheme (root_data->file);
+               root_uri = g_file_get_uri (root_data->file);
+
+               if (g_strcmp0 (file_scheme, root_scheme) == 0) {
+                       /* First check the root node */
+                       if (!file_node_data_equal_or_child (tree, uri, &ptr)) {
+                               g_free (file_scheme);
+                               g_free (root_scheme);
+                               g_free (root_uri);
+                               g_free (uri);
+                               return NULL;
+                       }
+
+                       /* Second check there is no basename and if there isn't,
+                        * then this node MUST be the closest registered node
+                        * we can use for the uri. The difference here is that
+                        * we return tree not NULL.
+                        */
+                       else if (ptr[0] == '\0') {
+                               g_free (file_scheme);
+                               g_free (root_scheme);
+                               g_free (root_uri);
+                               g_free (uri);
+                               return tree;
+                       }
+               } else if (g_strcmp0 (root_uri, "file:///") != 0) {
+                       g_free (file_scheme);
+                       g_free (root_scheme);
+                       g_free (root_uri);
                        g_free (uri);
                        return NULL;
                }
 
-               /* Second check there is no basename and if there isn't,
-                * then this node MUST be the closest registered node
-                * we can use for the uri. The difference here is that
-                * we return tree not NULL.
-                */
-               else if (ptr[0] == '\0') {
-                       g_free (uri);
-                       return tree;
-                }
+               g_free (file_scheme);
+               g_free (root_scheme);
+               g_free (root_uri);
        }
 
        parent = tree;