[tracker/tracker-0.12] tracker-writeback: Check for write permission

[Martyn James Russell <mr src gnome org>]

commit 64ab00bcbdb1b40bbc312d90ab21d743b75661dd
Author: Philip Van Hoof <philip codeminded be>
Date:   Wed Nov 9 12:55:44 2011 +0100

    tracker-writeback: Check for write permission
    
    Fixes NB#289953.

 src/tracker-writeback/tracker-writeback-file.c |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-writeback/tracker-writeback-file.c b/src/tracker-writeback/tracker-writeback-file.c
index c952c63..652169b 100644
--- a/src/tracker-writeback/tracker-writeback-file.c
+++ b/src/tracker-writeback/tracker-writeback-file.c
@@ -181,7 +181,8 @@ tracker_writeback_file_update_metadata (TrackerWriteback         *writeback,
 
 	file_info = g_file_query_info (file,
 	                               G_FILE_ATTRIBUTE_UNIX_MODE ","
-	                               G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
+	                               G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE ","
+	                               G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE,
 	                               G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
 	                               NULL, NULL);
 
@@ -197,6 +198,19 @@ tracker_writeback_file_update_metadata (TrackerWriteback         *writeback,
 		return FALSE;
 	}
 
+	if (!g_file_info_get_attribute_boolean (file_info, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE)) {
+		g_object_unref (file_info);
+		g_object_unref (file);
+
+		g_set_error (error,
+		             G_IO_ERROR,
+		             G_IO_ERROR_FAILED,
+		             "%s not writable",
+		             row[0]);
+
+		return FALSE;
+	}
+
 	mime_type = g_file_info_get_content_type (file_info);
 	content_types = (writeback_file_class->content_types) (TRACKER_WRITEBACK_FILE (writeback));