[gnome-builder] app: add basic reaper to the application

[Christian Hergert <chergert src gnome org>]

commit bf4c78540926672461b854d3202fa5865ebe1406
Author: Christian Hergert <chergert redhat com>
Date:   Mon Nov 20 22:49:35 2017 -0800

    app: add basic reaper to the application
    
    This ensures we reap the buffers directory on shutdown of the
    application. Also, requires a fix in libdazzle which was doing
    reaper comparisons incorrectly to ensure things run.

 src/libide/application/ide-application.c |   22 +++++++++++++++++++++-
 1 files changed, 21 insertions(+), 1 deletions(-)
---
diff --git a/src/libide/application/ide-application.c b/src/libide/application/ide-application.c
index 830ebf2..20a70b4 100644
--- a/src/libide/application/ide-application.c
+++ b/src/libide/application/ide-application.c
@@ -389,6 +389,23 @@ ide_application_register_settings (IdeApplication *self)
 }
 
 static void
+_ide_application_init_reapers (IdeApplication *self)
+{
+  g_autoptr(DzlDirectoryReaper) reaper = NULL;
+  g_autoptr(GFile) buffers = NULL;
+
+  g_assert (IDE_IS_APPLICATION (self));
+
+  reaper = dzl_directory_reaper_new ();
+  buffers = g_file_new_build_filename (g_get_user_cache_dir (),
+                                       ide_get_program_name (),
+                                       "buffers",
+                                       NULL);
+  dzl_directory_reaper_add_directory (reaper, buffers, G_TIME_SPAN_HOUR);
+  ide_application_add_reaper (self, reaper);
+}
+
+static void
 ide_application_startup (GApplication *application)
 {
   IdeApplication *self = (IdeApplication *)application;
@@ -418,6 +435,7 @@ ide_application_startup (GApplication *application)
       ide_application_actions_init (self);
       _ide_application_init_shortcuts (self);
       _ide_application_init_color (self);
+      _ide_application_init_reapers (self);
 
       modeline_parser_init ();
     }
@@ -467,10 +485,12 @@ ide_application_shutdown (GApplication *application)
   for (guint i = 0; i < self->reapers->len; i++)
     {
       DzlDirectoryReaper *reaper = g_ptr_array_index (self->reapers, i);
+      g_autoptr(GError) error = NULL;
 
       g_assert (DZL_IS_DIRECTORY_REAPER (reaper));
 
-      dzl_directory_reaper_execute (reaper, NULL, NULL);
+      if (!dzl_directory_reaper_execute (reaper, NULL, &error))
+        g_warning ("Failed to reap files: %s", error->message);
     }
 
   _ide_battery_monitor_shutdown ();