[gvfs] Add a cmdline way to empty the trash

[Matthias Clasen <matthiasc src gnome org>]

commit 09c8be942506999490a0df74d4bcfa52de58a644
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Nov 25 00:43:15 2012 -0500

    Add a cmdline way to empty the trash
    
    Support gvfs-trash --empty to empty the trash.

 man/gvfs-trash.xml    |    6 ++++++
 programs/gvfs-trash.c |   45 ++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 50 insertions(+), 1 deletions(-)
---
diff --git a/man/gvfs-trash.xml b/man/gvfs-trash.xml
index 4762001..c6d5c30 100644
--- a/man/gvfs-trash.xml
+++ b/man/gvfs-trash.xml
@@ -78,6 +78,12 @@
                                 non-deletable files.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><option>--empty</option></term>
+
+                                <listitem><para>Empty the trash.</para></listitem>
+                        </varlistentry>
+
                 </variablelist>
         </refsect1>
 
diff --git a/programs/gvfs-trash.c b/programs/gvfs-trash.c
index 4654f21..36dc02e 100644
--- a/programs/gvfs-trash.c
+++ b/programs/gvfs-trash.c
@@ -27,11 +27,46 @@
 #include <glib/gi18n.h>
 #include <gio/gio.h>
 
+static void
+delete_trash_file (GFile *file, gboolean del_file, gboolean del_children)
+{
+  GFileInfo *info;
+  GFile *child;
+  GFileEnumerator *enumerator;
+
+  if (del_children)
+    {
+      enumerator = g_file_enumerate_children (file,
+                                              G_FILE_ATTRIBUTE_STANDARD_NAME ","
+                                              G_FILE_ATTRIBUTE_STANDARD_TYPE,
+                                              G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                                              NULL,
+                                              NULL);
+      if (enumerator)
+        {
+          while ((info = g_file_enumerator_next_file (enumerator, NULL, NULL)) != NULL)
+            {
+              child = g_file_get_child (file, g_file_info_get_name (info));
+              delete_trash_file (child, TRUE, g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY);
+              g_object_unref (child);
+              g_object_unref (info);
+            }
+          g_file_enumerator_close (enumerator, NULL, NULL);
+          g_object_unref (enumerator);
+        }
+    }
+
+  if (del_file)
+    g_file_delete (file, NULL, NULL);
+}
+
 static gboolean force = FALSE;
+static gboolean empty = FALSE;
 
 static GOptionEntry entries[] =
 {
-  {"force", 'f', 0, G_OPTION_ARG_NONE, &force, N_("Ignore nonexistent files, never prompt"), NULL},
+  { "force", 'f', 0, G_OPTION_ARG_NONE, &force, N_("Ignore nonexistent files, never prompt"), NULL },
+  { "empty", 0, 0, G_OPTION_ARG_NONE, &empty, N_("Empty the trash"), NULL },
   { NULL }
 };
 
@@ -93,5 +128,13 @@ main (int argc, char *argv[])
       }
     }
 
+  if (empty)
+    {
+      GFile *file;
+      file = g_file_new_for_uri ("trash:");
+      delete_trash_file (file, FALSE, TRUE);
+      g_object_unref (file);
+    }
+
   return retval;
 }