media-export: Remove cache file on errorwip/dvd

Prevent that we read an empty or partial file from chache if we have to
re-index for some reason.

Signed-off-by: Jens Georg <mail@jensge.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/plugins/media-export/rygel-media-export-dvd-parser.vala b/src/plugins/media-export/rygel-media-export-dvd-parser.vala
index 8aa03acc..d4df13ba 100644
--- a/src/plugins/media-export/rygel-media-export-dvd-parser.vala
+++ b/src/plugins/media-export/rygel-media-export-dvd-parser.vala
@@ -87,6 +87,11 @@ internal class Rygel.DVDParser : GLib.Object {
             if (!(process.get_if_exited () &&
                 process.get_exit_status () == 0)) {
                 throw new DVDParserError.GENERAL ("lsdvd did die or file is not a DVD");
+                try {
+                    this.cache_file.delete (null);
+                } catch (Error error) {
+                    debug ("Failed to delete cache file: %s", error.message);
+                }
             }
         }