Adding upstream version 43.0.upstream/43.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 2393 insertions, 0 deletions

diff --git a/plugins/housekeeping/gsd-disk-space-helper.c b/plugins/housekeeping/gsd-disk-space-helper.c
new file mode 100644
index 0000000..56e054c
--- /dev/null
+++ b/plugins/housekeeping/gsd-disk-space-helper.c
@@ -0,0 +1,159 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2008, Novell, Inc.
+ * Copyright (c) 2012, Red Hat, Inc.
+ *
+ * Authors: Vincent Untz <vuntz@gnome.org>
+ * Bastien Nocera <hadess@hadess.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include <gio/gio.h>
+
+#include "gsd-disk-space-helper.h"
+
+gboolean
+gsd_should_ignore_unix_mount (GUnixMountEntry *mount)
+{
+        const char *fs, *device;
+        g_autofree char *label = NULL;
+        guint i;
+
+        /* This is borrowed from GLib and used as a way to determine
+         * which mounts we should ignore by default. GLib doesn't
+         * expose this in a way that allows it to be used for this
+         * purpose
+         */
+
+         /* We also ignore network filesystems */
+#if !GLIB_CHECK_VERSION(2, 56, 0)
+        const gchar *ignore_fs[] = {
+                "adfs",
+                "afs",
+                "auto",
+                "autofs",
+                "autofs4",
+                "cgroup",
+                "configfs",
+                "cxfs",
+                "debugfs",
+                "devfs",
+                "devpts",
+                "devtmpfs",
+                "ecryptfs",
+                "fdescfs",
+                "fusectl",
+                "gfs",
+                "gfs2",
+                "gpfs",
+                "hugetlbfs",
+                "kernfs",
+                "linprocfs",
+                "linsysfs",
+                "lustre",
+                "lustre_lite",
+                "mfs",
+                "mqueue",
+                "ncpfs",
+                "nfsd",
+                "nullfs",
+                "ocfs2",
+                "overlay",
+                "proc",
+                "procfs",
+                "pstore",
+                "ptyfs",
+                "rootfs",
+                "rpc_pipefs",
+                "securityfs",
+                "selinuxfs",
+                "sysfs",
+                "tmpfs",
+                "usbfs",
+                "zfs",
+                NULL
+        };
+#endif  /* GLIB < 2.56.0 */
+        const gchar *ignore_network_fs[] = {
+                "cifs",
+                "nfs",
+                "nfs4",
+                "smbfs",
+                NULL
+        };
+        const gchar *ignore_devices[] = {
+                "none",
+                "sunrpc",
+                "devpts",
+                "nfsd",
+                "/dev/loop",
+                "/dev/vn",
+                NULL
+        };
+        const gchar *ignore_labels[] = {
+                "RETRODE",
+                NULL
+        };
+
+        fs = g_unix_mount_get_fs_type (mount);
+#if GLIB_CHECK_VERSION(2, 56, 0)
+        if (g_unix_is_system_fs_type (fs))
+                return TRUE;
+#else
+        for (i = 0; ignore_fs[i] != NULL; i++)
+                if (g_str_equal (ignore_fs[i], fs))
+                        return TRUE;
+#endif
+        for (i = 0; ignore_network_fs[i] != NULL; i++)
+                if (g_str_equal (ignore_network_fs[i], fs))
+                        return TRUE;
+
+        device = g_unix_mount_get_device_path (mount);
+        for (i = 0; ignore_devices[i] != NULL; i++)
+                if (g_str_equal (ignore_devices[i], device))
+                        return TRUE;
+
+        label = g_unix_mount_guess_name (mount);
+        for (i = 0; ignore_labels[i] != NULL; i++)
+                if (g_str_equal (ignore_labels[i], label))
+                        return TRUE;
+
+        return FALSE;
+}
+
+/* Used in gnome-control-center's info panel */
+gboolean
+gsd_is_removable_mount (GUnixMountEntry *mount)
+{
+        const char *mount_path;
+        char *path;
+
+        mount_path = g_unix_mount_get_mount_path (mount);
+        if (mount_path == NULL)
+                return FALSE;
+
+        path = g_strdup_printf ("/run/media/%s", g_get_user_name ());
+        if (g_str_has_prefix (mount_path, path)) {
+                g_free (path);
+                return TRUE;
+        }
+        g_free (path);
+        return FALSE;
+}
diff --git a/plugins/housekeeping/gsd-disk-space-helper.h b/plugins/housekeeping/gsd-disk-space-helper.h
new file mode 100644
index 0000000..3898359
--- /dev/null
+++ b/plugins/housekeeping/gsd-disk-space-helper.h
@@ -0,0 +1,38 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2008, Novell, Inc.
+ * Copyright (c) 2012, Red Hat, Inc.
+ *
+ * Authors: Vincent Untz <vuntz@gnome.org>
+ * Bastien Nocera <hadess@hadess.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __GSD_DISK_SPACE_HELPER_H
+#define __GSD_DISK_SPACE_HELPER_H
+
+#include <glib.h>
+#include <gio/gunixmounts.h>
+
+G_BEGIN_DECLS
+
+gboolean gsd_should_ignore_unix_mount (GUnixMountEntry *mount);
+gboolean gsd_is_removable_mount       (GUnixMountEntry *mount);
+
+G_END_DECLS
+
+#endif /* __GSD_DISK_SPACE_HELPER_H */
diff --git a/plugins/housekeeping/gsd-disk-space-test.c b/plugins/housekeeping/gsd-disk-space-test.c
new file mode 100644
index 0000000..c0410f8
--- /dev/null
+++ b/plugins/housekeeping/gsd-disk-space-test.c
@@ -0,0 +1,48 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2008, Novell, Inc.
+ *
+ * Authors: Vincent Untz <vuntz@gnome.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+#include <gtk/gtk.h>
+#include <libnotify/notify.h>
+#include "gsd-disk-space.h"
+
+int
+main (int    argc,
+      char **argv)
+{
+        GMainLoop *loop;
+
+        gtk_init (&argc, &argv);
+        notify_init ("gsd-disk-space-test");
+
+        loop = g_main_loop_new (NULL, FALSE);
+
+        gsd_ldsm_setup (TRUE);
+
+        g_main_loop_run (loop);
+
+        gsd_ldsm_clean ();
+        g_main_loop_unref (loop);
+
+        return 0;
+}
+
diff --git a/plugins/housekeeping/gsd-disk-space.c b/plugins/housekeeping/gsd-disk-space.c
new file mode 100644
index 0000000..c5ae8f6
--- /dev/null
+++ b/plugins/housekeeping/gsd-disk-space.c
@@ -0,0 +1,1081 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2008, Novell, Inc.
+ *
+ * Authors: Vincent Untz <vuntz@gnome.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <sys/statvfs.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib-object.h>
+#include <gio/gunixmounts.h>
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+#include <libnotify/notify.h>
+
+#include "gsd-disk-space.h"
+#include "gsd-disk-space-helper.h"
+
+#define GIGABYTE                   1024 * 1024 * 1024
+
+#define CHECK_EVERY_X_SECONDS      60
+
+#define DISK_SPACE_ANALYZER        "baobab"
+
+#define SETTINGS_HOUSEKEEPING_DIR     "org.gnome.settings-daemon.plugins.housekeeping"
+#define SETTINGS_FREE_PC_NOTIFY_KEY   "free-percent-notify"
+#define SETTINGS_FREE_PC_NOTIFY_AGAIN_KEY "free-percent-notify-again"
+#define SETTINGS_FREE_SIZE_NO_NOTIFY  "free-size-gb-no-notify"
+#define SETTINGS_MIN_NOTIFY_PERIOD    "min-notify-period"
+#define SETTINGS_IGNORE_PATHS         "ignore-paths"
+
+#define PRIVACY_SETTINGS              "org.gnome.desktop.privacy"
+#define SETTINGS_PURGE_TRASH          "remove-old-trash-files"
+#define SETTINGS_PURGE_TEMP_FILES     "remove-old-temp-files"
+#define SETTINGS_PURGE_AFTER          "old-files-age"
+
+typedef struct
+{
+        GUnixMountEntry *mount;
+        struct statvfs buf;
+        time_t notify_time;
+} LdsmMountInfo;
+
+static GHashTable        *ldsm_notified_hash = NULL;
+static unsigned int       ldsm_timeout_id = 0;
+static GUnixMountMonitor *ldsm_monitor = NULL;
+static double             free_percent_notify = 0.05;
+static double             free_percent_notify_again = 0.01;
+static unsigned int       free_size_gb_no_notify = 2;
+static unsigned int       min_notify_period = 10;
+static GSList            *ignore_paths = NULL;
+static GSettings         *settings = NULL;
+static GSettings         *privacy_settings = NULL;
+static NotifyNotification *notification = NULL;
+
+static guint64           *time_read;
+
+static gboolean           purge_trash;
+static gboolean           purge_temp_files;
+static guint              purge_after;
+static guint              purge_trash_id = 0;
+static guint              purge_temp_id = 0;
+
+static gchar*
+ldsm_get_fs_id_for_path (const gchar *path)
+{
+        GFile *file;
+        GFileInfo *fileinfo;
+        gchar *attr_id_fs;
+
+        file = g_file_new_for_path (path);
+        fileinfo = g_file_query_info (file, G_FILE_ATTRIBUTE_ID_FILESYSTEM, G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS, NULL, NULL);
+        if (fileinfo) {
+                attr_id_fs = g_strdup (g_file_info_get_attribute_string (fileinfo, G_FILE_ATTRIBUTE_ID_FILESYSTEM));
+                g_object_unref (fileinfo);
+        } else {
+                attr_id_fs = NULL;
+        }
+
+        g_object_unref (file);
+
+        return attr_id_fs;
+}
+
+static gboolean
+ldsm_mount_has_trash (const char *path)
+{
+        const gchar *user_data_dir;
+        gchar *user_data_attr_id_fs;
+        gchar *path_attr_id_fs;
+        gboolean mount_uses_user_trash = FALSE;
+        gchar *trash_files_dir;
+        gboolean has_trash = FALSE;
+        GDir *dir;
+
+        user_data_dir = g_get_user_data_dir ();
+        user_data_attr_id_fs = ldsm_get_fs_id_for_path (user_data_dir);
+
+        path_attr_id_fs = ldsm_get_fs_id_for_path (path);
+
+        if (g_strcmp0 (user_data_attr_id_fs, path_attr_id_fs) == 0) {
+                /* The volume that is low on space is on the same volume as our home
+                 * directory. This means the trash is at $XDG_DATA_HOME/Trash,
+                 * not at the root of the volume which is full.
+                 */
+                mount_uses_user_trash = TRUE;
+        }
+
+        g_free (user_data_attr_id_fs);
+        g_free (path_attr_id_fs);
+
+        /* I can't think of a better way to find out if a volume has any trash. Any suggestions? */
+        if (mount_uses_user_trash) {
+                trash_files_dir = g_build_filename (g_get_user_data_dir (), "Trash", "files", NULL);
+        } else {
+                gchar *uid;
+
+                uid = g_strdup_printf ("%d", getuid ());
+                trash_files_dir = g_build_filename (path, ".Trash", uid, "files", NULL);
+                if (!g_file_test (trash_files_dir, G_FILE_TEST_IS_DIR)) {
+                        gchar *trash_dir;
+
+                        g_free (trash_files_dir);
+                        trash_dir = g_strdup_printf (".Trash-%s", uid);
+                        trash_files_dir = g_build_filename (path, trash_dir, "files", NULL);
+                        g_free (trash_dir);
+                        if (!g_file_test (trash_files_dir, G_FILE_TEST_IS_DIR)) {
+                                g_free (trash_files_dir);
+                                g_free (uid);
+                                return has_trash;
+                        }
+                }
+                g_free (uid);
+        }
+
+        dir = g_dir_open (trash_files_dir, 0, NULL);
+        if (dir) {
+                if (g_dir_read_name (dir))
+                        has_trash = TRUE;
+                g_dir_close (dir);
+        }
+
+        g_free (trash_files_dir);
+
+        return has_trash;
+}
+
+static void
+ldsm_analyze_path (const gchar *path)
+{
+        const gchar *argv[] = { DISK_SPACE_ANALYZER, path, NULL };
+
+        g_spawn_async (NULL, (gchar **) argv, NULL, G_SPAWN_SEARCH_PATH,
+                        NULL, NULL, NULL, NULL);
+}
+
+static void
+ignore_callback (NotifyNotification *n,
+                 const char         *action)
+{
+        g_assert (action != NULL);
+        g_assert (strcmp (action, "ignore") == 0);
+
+        /* Do nothing */
+
+        notify_notification_close (n, NULL);
+}
+
+static void
+examine_callback (NotifyNotification *n,
+                  const char         *action,
+                  const char         *path)
+{
+        g_assert (action != NULL);
+        g_assert (strcmp (action, "examine") == 0);
+
+        ldsm_analyze_path (path);
+
+        notify_notification_close (n, NULL);
+}
+
+static gboolean
+should_purge_file (GFile        *file,
+                   GCancellable *cancellable,
+                   GDateTime    *old)
+{
+        GFileInfo *info;
+        GDateTime *date;
+        gboolean should_purge;
+
+        should_purge = FALSE;
+
+        info = g_file_query_info (file,
+                                  G_FILE_ATTRIBUTE_TRASH_DELETION_DATE ","
+                                  G_FILE_ATTRIBUTE_UNIX_UID ","
+                                  G_FILE_ATTRIBUTE_TIME_CHANGED,
+                                  G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                                  cancellable,
+                                  NULL);
+        if (!info)
+                return FALSE;
+
+        date = g_file_info_get_deletion_date (info);
+        if (date == NULL) {
+                guint uid;
+                guint64 ctime;
+
+                uid = g_file_info_get_attribute_uint32 (info, G_FILE_ATTRIBUTE_UNIX_UID);
+                if (uid != getuid ()) {
+                        should_purge = FALSE;
+                        goto out;
+                }
+
+                ctime = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_CHANGED);
+                date = g_date_time_new_from_unix_local ((gint64) ctime);
+        }
+
+        should_purge = g_date_time_difference (old, date) >= 0;
+        g_date_time_unref (date);
+
+out:
+        g_object_unref (info);
+
+        return should_purge;
+}
+
+DeleteData *
+delete_data_new (GFile        *file,
+                 GCancellable *cancellable,
+                 GDateTime    *old,
+                 gboolean      dry_run,
+                 gboolean      trash,
+                 gint          depth,
+                 const char   *filesystem)
+{
+        DeleteData *data;
+
+        data = g_new (DeleteData, 1);
+        g_ref_count_init (&data->ref_count);
+        data->file = g_object_ref (file);
+        data->filesystem = g_strdup (filesystem);
+        data->cancellable = cancellable ? g_object_ref (cancellable) : NULL;
+        data->old = g_date_time_ref (old);
+        data->dry_run = dry_run;
+        data->trash = trash;
+        data->depth = depth;
+        data->name = g_file_get_parse_name (data->file);
+
+        return data;
+}
+
+char*
+get_filesystem (GFile *file)
+{
+        g_autoptr(GFileInfo) info = NULL;
+
+        info = g_file_query_info (file,
+                                  G_FILE_ATTRIBUTE_ID_FILESYSTEM,
+                                  G_FILE_QUERY_INFO_NONE,
+                                  NULL,
+                                  NULL);
+
+        return g_file_info_get_attribute_as_string (info,
+                                                    G_FILE_ATTRIBUTE_ID_FILESYSTEM);
+}
+
+static DeleteData *
+delete_data_ref (DeleteData *data)
+{
+        g_ref_count_inc (&data->ref_count);
+
+        return data;
+}
+
+void
+delete_data_unref (DeleteData *data)
+{
+        if (g_ref_count_dec (&data->ref_count)) {
+                g_object_unref (data->file);
+                if (data->cancellable)
+                        g_object_unref (data->cancellable);
+                g_date_time_unref (data->old);
+                g_free (data->name);
+                g_free (data->filesystem);
+                g_free (data);
+        }
+}
+
+static void
+delete_batch (GObject      *source,
+              GAsyncResult *res,
+              gpointer      user_data)
+{
+        GFileEnumerator *enumerator = G_FILE_ENUMERATOR (source);
+        DeleteData *data = user_data;
+        const char *fs;
+        GList *files, *f;
+        GFile *child_file;
+        DeleteData *child;
+        GFileInfo *info;
+        GError *error = NULL;
+
+        files = g_file_enumerator_next_files_finish (enumerator, res, &error);
+
+        g_debug ("GsdHousekeeping: purging %d children of %s", g_list_length (files), data->name);
+
+        if (files) {
+                for (f = files; f; f = f->next) {
+                        if (g_cancellable_is_cancelled (data->cancellable))
+                                break;
+                        info = f->data;
+
+                        fs = g_file_info_get_attribute_string (info,
+                                                               G_FILE_ATTRIBUTE_ID_FILESYSTEM);
+
+                        /* Do not consider the file if it is on a different file system.
+                         * Ignore data->filesystem if it is NULL (this only happens if
+                         * it is the toplevel trash directory). */
+                        if (data->filesystem && g_strcmp0 (fs, data->filesystem) != 0) {
+                                g_debug ("GsdHousekeeping: skipping file \"%s\" as it is on a different file system",
+                                         g_file_info_get_name (info));
+                                continue;
+                        }
+
+                        child_file = g_file_get_child (data->file, g_file_info_get_name (info));
+                        child = delete_data_new (child_file,
+                                                 data->cancellable,
+                                                 data->old,
+                                                 data->dry_run,
+                                                 data->trash,
+                                                 data->depth + 1,
+                                                 fs);
+                        delete_recursively_by_age (child);
+                        delete_data_unref (child);
+                        g_object_unref (child_file);
+                }
+                g_list_free_full (files, g_object_unref);
+                if (!g_cancellable_is_cancelled (data->cancellable)) {
+                        g_file_enumerator_next_files_async (enumerator, 20,
+                                                            0,
+                                                            data->cancellable,
+                                                            delete_batch,
+                                                            data);
+                        return;
+                }
+        }
+
+        g_file_enumerator_close (enumerator, data->cancellable, NULL);
+        g_object_unref (enumerator);
+
+        if (data->depth > 0 && !g_cancellable_is_cancelled (data->cancellable)) {
+                if ((data->trash && data->depth > 1) ||
+                     should_purge_file (data->file, data->cancellable, data->old)) {
+                        g_debug ("GsdHousekeeping: purging %s\n", data->name);
+                        if (!data->dry_run) {
+                                g_file_delete (data->file, data->cancellable, NULL);
+                        }
+                }
+        }
+        delete_data_unref (data);
+}
+
+static void
+delete_subdir (GObject      *source,
+               GAsyncResult *res,
+               gpointer      user_data)
+{
+        GFile *file = G_FILE (source);
+        DeleteData *data = user_data;
+        GFileEnumerator *enumerator;
+        GError *error = NULL;
+
+        g_debug ("GsdHousekeeping: purging %s in %s\n",
+                 data->trash ? "trash" : "temporary files", data->name);
+
+        enumerator = g_file_enumerate_children_finish (file, res, &error);
+        if (error) {
+                if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY) &&
+                    !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED) &&
+                    !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED))
+                        g_warning ("Failed to enumerate children of %s: %s\n", data->name, error->message);
+        }
+        if (enumerator) {
+                g_file_enumerator_next_files_async (enumerator, 20,
+                                                    0,
+                                                    data->cancellable,
+                                                    delete_batch,
+                                                    delete_data_ref (data));
+        } else if (data->depth > 0 && g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_DIRECTORY)) {
+                if ((data->trash && data->depth > 1) ||
+                     should_purge_file (data->file, data->cancellable, data->old)) {
+                        g_debug ("Purging %s leaf node", data->name);
+                        if (!data->dry_run) {
+                                g_file_delete (data->file, data->cancellable, NULL);
+                        }
+                }
+        }
+
+        if (error)
+                g_error_free (error);
+        delete_data_unref (data);
+}
+
+static void
+delete_subdir_check_symlink (GObject      *source,
+                             GAsyncResult *res,
+                             gpointer      user_data)
+{
+        GFile *file = G_FILE (source);
+        DeleteData *data = user_data;
+        GFileInfo *info;
+
+        info = g_file_query_info_finish (file, res, NULL);
+        if (!info) {
+                delete_data_unref (data);
+                return;
+        }
+
+        if (g_file_info_get_file_type (info) == G_FILE_TYPE_SYMBOLIC_LINK) {
+                if (should_purge_file (data->file, data->cancellable, data->old)) {
+                        g_debug ("Purging %s leaf node", data->name);
+                        if (!data->dry_run) {
+                                g_file_delete (data->file, data->cancellable, NULL);
+                        }
+                }
+        } else if (g_strcmp0 (g_file_info_get_name (info), ".X11-unix") == 0) {
+                g_debug ("Skipping X11 socket directory");
+        } else {
+                g_file_enumerate_children_async (data->file,
+                                                 G_FILE_ATTRIBUTE_STANDARD_NAME ","
+                                                 G_FILE_ATTRIBUTE_STANDARD_TYPE ","
+                                                 G_FILE_ATTRIBUTE_ID_FILESYSTEM,
+                                                 G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                                                 0,
+                                                 data->cancellable,
+                                                 delete_subdir,
+                                                 delete_data_ref (data));
+        }
+        g_object_unref (info);
+        delete_data_unref (data);
+}
+
+void
+delete_recursively_by_age (DeleteData *data)
+{
+        if (data->trash && (data->depth == 1) &&
+            !should_purge_file (data->file, data->cancellable, data->old)) {
+                /* no need to recurse into trashed directories */
+                return;
+        }
+
+        g_file_query_info_async (data->file,
+                                 G_FILE_ATTRIBUTE_STANDARD_NAME ","
+                                 G_FILE_ATTRIBUTE_STANDARD_TYPE,
+                                 G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+                                 0,
+                                 data->cancellable,
+                                 delete_subdir_check_symlink,
+                                 delete_data_ref (data));
+}
+
+void
+gsd_ldsm_purge_trash (GDateTime *old)
+{
+        GFile *file;
+        DeleteData *data;
+
+        file = g_file_new_for_uri ("trash:");
+        data = delete_data_new (file, NULL, old, FALSE, TRUE, 0, NULL);
+        delete_recursively_by_age (data);
+        delete_data_unref (data);
+        g_object_unref (file);
+}
+
+void
+gsd_ldsm_purge_temp_files (GDateTime *old)
+{
+        DeleteData *data;
+        GFile *file;
+        char *filesystem;
+
+        /* Never clean temporary files on a sane (i.e. systemd managed)
+         * system. In that case systemd already ships
+         *   /usr/lib/tmpfiles.d/tmp.conf
+         * which does the trick in a much safer way.
+         * Ideally we can just drop this feature, I am not sure why it was
+         * added in the first place though, it does not really seem like a
+         * privacy feature (also, it was late in the release cycle).
+         *   https://en.wikipedia.org/wiki/Wikipedia:Chesterton%27s_fence
+         *
+         * This does the same as sd_booted without needing libsystemd.
+         */
+        if (g_file_test ("/run/systemd/system/", G_FILE_TEST_IS_DIR))
+                return;
+
+        file = g_file_new_for_path (g_get_tmp_dir ());
+        filesystem = get_filesystem (file);
+        data = delete_data_new (file, NULL, old, FALSE, FALSE, 0, filesystem);
+        g_free (filesystem);
+        delete_recursively_by_age (data);
+        delete_data_unref (data);
+        g_object_unref (file);
+
+        if (g_strcmp0 (g_get_tmp_dir (), "/var/tmp") != 0) {
+                file = g_file_new_for_path ("/var/tmp");
+                filesystem = get_filesystem (file);
+                data = delete_data_new (file, NULL, old, FALSE, FALSE, 0, filesystem);
+                g_free (filesystem);
+                delete_recursively_by_age (data);
+                delete_data_unref (data);
+                g_object_unref (file);
+        }
+
+        if (g_strcmp0 (g_get_tmp_dir (), "/tmp") != 0) {
+                file = g_file_new_for_path ("/tmp");
+                filesystem = get_filesystem (file);
+                data = delete_data_new (file, NULL, old, FALSE, FALSE, 0, filesystem);
+                g_free (filesystem);
+                delete_recursively_by_age (data);
+                delete_data_unref (data);
+                g_object_unref (file);
+        }
+}
+
+void
+gsd_ldsm_show_empty_trash (void)
+{
+        GFile *file;
+        GDateTime *old;
+        DeleteData *data;
+
+        old = g_date_time_new_now_local ();
+        file = g_file_new_for_uri ("trash:");
+        data = delete_data_new (file, NULL, old, TRUE, TRUE, 0, NULL);
+        g_object_unref (file);
+        g_date_time_unref (old);
+
+        delete_recursively_by_age (data);
+        delete_data_unref (data);
+}
+
+static gboolean
+ldsm_purge_trash_and_temp (gpointer data)
+{
+        GDateTime *now, *old;
+
+        now = g_date_time_new_now_local ();
+        old = g_date_time_add_days (now, - purge_after);
+
+        if (purge_trash) {
+                g_debug ("housekeeping: purge trash older than %u days", purge_after);
+                gsd_ldsm_purge_trash (old);
+        }
+        if (purge_temp_files) {
+                g_debug ("housekeeping: purge temp files older than %u days", purge_after);
+                gsd_ldsm_purge_temp_files (old);
+        }
+
+        g_date_time_unref (old);
+        g_date_time_unref (now);
+
+        return G_SOURCE_CONTINUE;
+}
+
+static void
+empty_trash_callback (NotifyNotification *n,
+                      const char         *action)
+{
+        GDateTime *old;
+
+        g_assert (action != NULL);
+        g_assert (strcmp (action, "empty-trash") == 0);
+
+        old = g_date_time_new_now_local ();
+        gsd_ldsm_purge_trash (old);
+        g_date_time_unref (old);
+
+        notify_notification_close (n, NULL);
+}
+
+static void
+on_notification_closed (NotifyNotification *n)
+{
+        g_object_unref (notification);
+        notification = NULL;
+}
+
+static void
+ldsm_notify (const char *summary,
+             const char *body,
+             const char *mount_path)
+{
+        gchar *program;
+        gboolean has_disk_analyzer;
+        gboolean has_trash;
+
+        /* Don't show a notice if one is already displayed */
+        if (notification != NULL)
+                return;
+
+        notification = notify_notification_new (summary, body, "drive-harddisk-symbolic");
+        g_signal_connect (notification,
+                          "closed",
+                          G_CALLBACK (on_notification_closed),
+                          NULL);
+
+        notify_notification_set_app_name (notification, _("Disk Space"));
+        notify_notification_set_hint (notification, "transient", g_variant_new_boolean (TRUE));
+        notify_notification_set_urgency (notification, NOTIFY_URGENCY_CRITICAL);
+        notify_notification_set_timeout (notification, NOTIFY_EXPIRES_DEFAULT);
+        notify_notification_set_hint_string (notification, "desktop-entry", "org.gnome.baobab");
+
+        program = g_find_program_in_path (DISK_SPACE_ANALYZER);
+        has_disk_analyzer = (program != NULL);
+        g_free (program);
+
+        if (has_disk_analyzer) {
+                notify_notification_add_action (notification,
+                                                "examine",
+                                                _("Examine"),
+                                                (NotifyActionCallback) examine_callback,
+                                                g_strdup (mount_path),
+                                                g_free);
+        }
+
+        has_trash = ldsm_mount_has_trash (mount_path);
+
+        if (has_trash) {
+                notify_notification_add_action (notification,
+                                                "empty-trash",
+                                                _("Empty Trash"),
+                                                (NotifyActionCallback) empty_trash_callback,
+                                                NULL,
+                                                NULL);
+        }
+
+        notify_notification_add_action (notification,
+                                        "ignore",
+                                        _("Ignore"),
+                                        (NotifyActionCallback) ignore_callback,
+                                        NULL,
+                                        NULL);
+        notify_notification_set_category (notification, "device");
+
+        if (!notify_notification_show (notification, NULL)) {
+                g_warning ("failed to send disk space notification\n");
+        }
+}
+
+static void
+ldsm_notify_for_mount (LdsmMountInfo *mount,
+                       gboolean       multiple_volumes)
+{
+        gboolean has_trash;
+        gchar  *name;
+        gint64 free_space;
+        const gchar *path;
+        char *free_space_str;
+        char *summary;
+        char *body;
+
+        name = g_unix_mount_guess_name (mount->mount);
+        path = g_unix_mount_get_mount_path (mount->mount);
+        has_trash = ldsm_mount_has_trash (path);
+
+        free_space = (gint64) mount->buf.f_frsize * (gint64) mount->buf.f_bavail;
+        free_space_str = g_format_size (free_space);
+
+        if (multiple_volumes) {
+                summary = g_strdup_printf (_("Low Disk Space on “%s”"), name);
+                if (has_trash) {
+                        body = g_strdup_printf (_("The volume “%s” has only %s disk space remaining.  You may free up some space by emptying the trash."),
+                                                name,
+                                                free_space_str);
+                } else {
+                        body = g_strdup_printf (_("The volume “%s” has only %s disk space remaining."),
+                                                name,
+                                                free_space_str);
+                }
+        } else {
+                summary = g_strdup (_("Low Disk Space"));
+                if (has_trash) {
+                        body = g_strdup_printf (_("This computer has only %s disk space remaining.  You may free up some space by emptying the trash."),
+                                                free_space_str);
+                } else {
+                        body = g_strdup_printf (_("This computer has only %s disk space remaining."),
+                                                free_space_str);
+                }
+        }
+
+        ldsm_notify (summary, body, path);
+
+        g_free (free_space_str);
+        g_free (summary);
+        g_free (body);
+        g_free (name);
+}
+
+static gboolean
+ldsm_mount_has_space (LdsmMountInfo *mount)
+{
+        gdouble free_space;
+
+        free_space = (double) mount->buf.f_bavail / (double) mount->buf.f_blocks;
+        /* enough free space, nothing to do */
+        if (free_space > free_percent_notify)
+                return TRUE;
+
+        if (((gint64) mount->buf.f_frsize * (gint64) mount->buf.f_bavail) > ((gint64) free_size_gb_no_notify * GIGABYTE))
+                return TRUE;
+
+        /* If we got here, then this volume is low on space */
+        return FALSE;
+}
+
+static gboolean
+ldsm_mount_is_virtual (LdsmMountInfo *mount)
+{
+        if (mount->buf.f_blocks == 0) {
+                /* Filesystems with zero blocks are virtual */
+                return TRUE;
+        }
+
+        return FALSE;
+}
+
+static gint
+ldsm_ignore_path_compare (gconstpointer a,
+                          gconstpointer b)
+{
+        return g_strcmp0 ((const gchar *)a, (const gchar *)b);
+}
+
+static gboolean
+ldsm_mount_is_user_ignore (const gchar *path)
+{
+        if (g_slist_find_custom (ignore_paths, path, (GCompareFunc) ldsm_ignore_path_compare) != NULL)
+                return TRUE;
+        else
+                return FALSE;
+}
+
+
+static void
+ldsm_free_mount_info (gpointer data)
+{
+        LdsmMountInfo *mount = data;
+
+        g_return_if_fail (mount != NULL);
+
+        g_unix_mount_free (mount->mount);
+        g_free (mount);
+}
+
+static void
+ldsm_maybe_warn_mounts (GList *mounts,
+                        gboolean multiple_volumes)
+{
+        GList *l;
+        gboolean done = FALSE;
+
+        for (l = mounts; l != NULL; l = l->next) {
+                LdsmMountInfo *mount_info = l->data;
+                LdsmMountInfo *previous_mount_info;
+                gdouble free_space;
+                gdouble previous_free_space;
+                time_t curr_time;
+                const gchar *path;
+                gboolean show_notify;
+
+                if (done) {
+                        /* Don't show any more dialogs if the user took action with the last one. The user action
+                         * might free up space on multiple volumes, making the next dialog redundant.
+                         */
+                        ldsm_free_mount_info (mount_info);
+                        continue;
+                }
+
+                path = g_unix_mount_get_mount_path (mount_info->mount);
+
+                previous_mount_info = g_hash_table_lookup (ldsm_notified_hash, path);
+                if (previous_mount_info != NULL)
+                        previous_free_space = (gdouble) previous_mount_info->buf.f_bavail / (gdouble) previous_mount_info->buf.f_blocks;
+
+                free_space = (gdouble) mount_info->buf.f_bavail / (gdouble) mount_info->buf.f_blocks;
+
+                if (previous_mount_info == NULL) {
+                        /* We haven't notified for this mount yet */
+                        show_notify = TRUE;
+                        mount_info->notify_time = time (NULL);
+                        g_hash_table_replace (ldsm_notified_hash, g_strdup (path), mount_info);
+                } else if ((previous_free_space - free_space) > free_percent_notify_again) {
+                        /* We've notified for this mount before and free space has decreased sufficiently since last time to notify again */
+                        curr_time = time (NULL);
+                        if (difftime (curr_time, previous_mount_info->notify_time) > (gdouble)(min_notify_period * 60)) {
+                                show_notify = TRUE;
+                                mount_info->notify_time = curr_time;
+                        } else {
+                                /* It's too soon to show the dialog again. However, we still replace the LdsmMountInfo
+                                 * struct in the hash table, but give it the notfiy time from the previous dialog.
+                                 * This will stop the notification from reappearing unnecessarily as soon as the timeout expires.
+                                 */
+                                show_notify = FALSE;
+                                mount_info->notify_time = previous_mount_info->notify_time;
+                        }
+                        g_hash_table_replace (ldsm_notified_hash, g_strdup (path), mount_info);
+                } else {
+                        /* We've notified for this mount before, but the free space hasn't decreased sufficiently to notify again */
+                        ldsm_free_mount_info (mount_info);
+                        show_notify = FALSE;
+                }
+
+                if (show_notify) {
+                        ldsm_notify_for_mount (mount_info, multiple_volumes);
+                        done = TRUE;
+                }
+        }
+}
+
+static gboolean
+ldsm_check_all_mounts (gpointer data)
+{
+        GList *mounts;
+        GList *l;
+        GList *check_mounts = NULL;
+        GList *full_mounts = NULL;
+        guint number_of_mounts = 0;
+        gboolean multiple_volumes = FALSE;
+
+        /* We iterate through the static mounts in /etc/fstab first, seeing if
+         * they're mounted by checking if the GUnixMountPoint has a corresponding GUnixMountEntry.
+         * Iterating through the static mounts means we automatically ignore dynamically mounted media.
+         */
+        mounts = g_unix_mount_points_get (time_read);
+
+        for (l = mounts; l != NULL; l = l->next) {
+                GUnixMountPoint *mount_point = l->data;
+                GUnixMountEntry *mount;
+                LdsmMountInfo *mount_info;
+                const gchar *path;
+
+                path = g_unix_mount_point_get_mount_path (mount_point);
+                mount = g_unix_mount_at (path, time_read);
+                g_unix_mount_point_free (mount_point);
+                if (mount == NULL) {
+                        /* The GUnixMountPoint is not mounted */
+                        continue;
+                }
+
+                mount_info = g_new0 (LdsmMountInfo, 1);
+                mount_info->mount = mount;
+
+                path = g_unix_mount_get_mount_path (mount);
+
+                if (g_unix_mount_is_readonly (mount)) {
+                        ldsm_free_mount_info (mount_info);
+                        continue;
+                }
+
+                if (ldsm_mount_is_user_ignore (path)) {
+                        ldsm_free_mount_info (mount_info);
+                        continue;
+                }
+
+                if (gsd_should_ignore_unix_mount (mount)) {
+                        ldsm_free_mount_info (mount_info);
+                        continue;
+                }
+
+                if (statvfs (path, &mount_info->buf) != 0) {
+                        ldsm_free_mount_info (mount_info);
+                        continue;
+                }
+
+                if (ldsm_mount_is_virtual (mount_info)) {
+                        ldsm_free_mount_info (mount_info);
+                        continue;
+                }
+
+                check_mounts = g_list_prepend (check_mounts, mount_info);
+                number_of_mounts += 1;
+        }
+
+        g_list_free (mounts);
+
+        if (number_of_mounts > 1)
+                multiple_volumes = TRUE;
+
+        for (l = check_mounts; l != NULL; l = l->next) {
+                LdsmMountInfo *mount_info = l->data;
+
+                if (!ldsm_mount_has_space (mount_info)) {
+                        full_mounts = g_list_prepend (full_mounts, mount_info);
+                } else {
+                        g_hash_table_remove (ldsm_notified_hash, g_unix_mount_get_mount_path (mount_info->mount));
+                        ldsm_free_mount_info (mount_info);
+                }
+        }
+
+        ldsm_maybe_warn_mounts (full_mounts, multiple_volumes);
+
+        g_list_free (check_mounts);
+        g_list_free (full_mounts);
+
+        return TRUE;
+}
+
+static gboolean
+ldsm_is_hash_item_not_in_mounts (gpointer key,
+                                 gpointer value,
+                                 gpointer user_data)
+{
+        GList *l;
+
+        for (l = (GList *) user_data; l != NULL; l = l->next) {
+                GUnixMountEntry *mount = l->data;
+                const char *path;
+
+                path = g_unix_mount_get_mount_path (mount);
+
+                if (strcmp (path, key) == 0)
+                        return FALSE;
+        }
+
+        return TRUE;
+}
+
+static void
+ldsm_mounts_changed (GObject  *monitor,
+                     gpointer  data)
+{
+        GList *mounts;
+
+        /* remove the saved data for mounts that got removed */
+        mounts = g_unix_mounts_get (time_read);
+        g_hash_table_foreach_remove (ldsm_notified_hash,
+                                     ldsm_is_hash_item_not_in_mounts, mounts);
+        g_list_free_full (mounts, (GDestroyNotify) g_unix_mount_free);
+
+        /* check the status now, for the new mounts */
+        ldsm_check_all_mounts (NULL);
+
+        /* and reset the timeout */
+        if (ldsm_timeout_id)
+                g_source_remove (ldsm_timeout_id);
+        ldsm_timeout_id = g_timeout_add_seconds (CHECK_EVERY_X_SECONDS,
+                                                 ldsm_check_all_mounts, NULL);
+        g_source_set_name_by_id (ldsm_timeout_id, "[gnome-settings-daemon] ldsm_check_all_mounts");
+}
+
+static gboolean
+ldsm_is_hash_item_in_ignore_paths (gpointer key,
+                                   gpointer value,
+                                   gpointer user_data)
+{
+        return ldsm_mount_is_user_ignore (key);
+}
+
+static void
+gsd_ldsm_get_config (void)
+{
+        gchar **settings_list;
+
+        free_percent_notify = g_settings_get_double (settings, SETTINGS_FREE_PC_NOTIFY_KEY);
+        free_percent_notify_again = g_settings_get_double (settings, SETTINGS_FREE_PC_NOTIFY_AGAIN_KEY);
+
+        free_size_gb_no_notify = g_settings_get_int (settings, SETTINGS_FREE_SIZE_NO_NOTIFY);
+        min_notify_period = g_settings_get_int (settings, SETTINGS_MIN_NOTIFY_PERIOD);
+
+        if (ignore_paths != NULL) {
+                g_slist_foreach (ignore_paths, (GFunc) g_free, NULL);
+                g_clear_pointer (&ignore_paths, g_slist_free);
+        }
+
+        settings_list = g_settings_get_strv (settings, SETTINGS_IGNORE_PATHS);
+        if (settings_list != NULL) {
+                guint i;
+
+                for (i = 0; settings_list[i] != NULL; i++)
+                        ignore_paths = g_slist_prepend (ignore_paths, g_strdup (settings_list[i]));
+
+                /* Make sure we dont leave stale entries in ldsm_notified_hash */
+                g_hash_table_foreach_remove (ldsm_notified_hash,
+                                             ldsm_is_hash_item_in_ignore_paths, NULL);
+
+                g_strfreev (settings_list);
+        }
+
+        purge_trash = g_settings_get_boolean (privacy_settings, SETTINGS_PURGE_TRASH);
+        purge_temp_files = g_settings_get_boolean (privacy_settings, SETTINGS_PURGE_TEMP_FILES);
+        purge_after = g_settings_get_uint (privacy_settings, SETTINGS_PURGE_AFTER);
+}
+
+static void
+gsd_ldsm_update_config (GSettings *settings,
+                        const gchar *key,
+                        gpointer user_data)
+{
+        gsd_ldsm_get_config ();
+}
+
+void
+gsd_ldsm_setup (gboolean check_now)
+{
+        if (ldsm_notified_hash || ldsm_timeout_id || ldsm_monitor) {
+                g_warning ("Low disk space monitor already initialized.");
+                return;
+        }
+
+        ldsm_notified_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                    g_free,
+                                                    ldsm_free_mount_info);
+
+        settings = g_settings_new (SETTINGS_HOUSEKEEPING_DIR);
+        privacy_settings = g_settings_new (PRIVACY_SETTINGS);
+        gsd_ldsm_get_config ();
+        g_signal_connect (G_OBJECT (settings), "changed",
+                          G_CALLBACK (gsd_ldsm_update_config), NULL);
+
+        ldsm_monitor = g_unix_mount_monitor_get ();
+        g_signal_connect (ldsm_monitor, "mounts-changed",
+                          G_CALLBACK (ldsm_mounts_changed), NULL);
+
+        if (check_now)
+                ldsm_check_all_mounts (NULL);
+
+        ldsm_timeout_id = g_timeout_add_seconds (CHECK_EVERY_X_SECONDS,
+                                                 ldsm_check_all_mounts, NULL);
+        g_source_set_name_by_id (ldsm_timeout_id, "[gnome-settings-daemon] ldsm_check_all_mounts");
+
+        purge_trash_id = g_timeout_add_seconds (3600, ldsm_purge_trash_and_temp, NULL);
+        g_source_set_name_by_id (purge_trash_id, "[gnome-settings-daemon] ldsm_purge_trash_and_temp");
+}
+
+void
+gsd_ldsm_clean (void)
+{
+        if (purge_trash_id)
+                g_source_remove (purge_trash_id);
+        purge_trash_id = 0;
+
+        if (purge_temp_id)
+                g_source_remove (purge_temp_id);
+        purge_temp_id = 0;
+
+        if (ldsm_timeout_id)
+                g_source_remove (ldsm_timeout_id);
+        ldsm_timeout_id = 0;
+
+        g_clear_pointer (&ldsm_notified_hash, g_hash_table_destroy);
+        g_clear_object (&ldsm_monitor);
+        g_clear_object (&settings);
+        g_clear_object (&privacy_settings);
+        /* NotifyNotification::closed callback will drop reference */
+        if (notification != NULL)
+                notify_notification_close (notification, NULL);
+        g_slist_free_full (ignore_paths, g_free);
+        ignore_paths = NULL;
+}
+
diff --git a/plugins/housekeeping/gsd-disk-space.h b/plugins/housekeeping/gsd-disk-space.h
new file mode 100644
index 0000000..d90d36e
--- /dev/null
+++ b/plugins/housekeeping/gsd-disk-space.h
@@ -0,0 +1,64 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2008, Novell, Inc.
+ *
+ * Authors: Vincent Untz <vuntz@gnome.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __GSD_DISK_SPACE_H
+#define __GSD_DISK_SPACE_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef struct {
+        grefcount  ref_count;
+        GFile           *file;
+        GCancellable    *cancellable;
+        GDateTime       *old;
+        gboolean         dry_run;
+        gboolean         trash;
+        gchar           *name;
+        gchar           *filesystem;
+        gint             depth;
+} DeleteData;
+
+void delete_data_unref (DeleteData *data);
+DeleteData *delete_data_new (GFile        *file,
+                             GCancellable *cancellable,
+                             GDateTime    *old,
+                             gboolean      dry_run,
+                             gboolean      trash,
+                             gint          depth,
+                             const char   *filesystem);
+char* get_filesystem (GFile *file);
+
+void delete_recursively_by_age (DeleteData *data);
+
+void gsd_ldsm_setup (gboolean check_now);
+void gsd_ldsm_clean (void);
+
+/* for the test */
+void gsd_ldsm_show_empty_trash (void);
+void gsd_ldsm_purge_trash      (GDateTime *old);
+void gsd_ldsm_purge_temp_files (GDateTime *old);
+
+G_END_DECLS
+
+#endif /* __GSD_DISK_SPACE_H */
diff --git a/plugins/housekeeping/gsd-empty-trash-test.c b/plugins/housekeeping/gsd-empty-trash-test.c
new file mode 100644
index 0000000..6a2c37f
--- /dev/null
+++ b/plugins/housekeeping/gsd-empty-trash-test.c
@@ -0,0 +1,44 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2011, Red Hat, Inc.
+ *
+ * Authors: Cosimo Cecchi <cosimoc@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+#include <gtk/gtk.h>
+#include "gsd-disk-space.h"
+
+int
+main (int    argc,
+      char **argv)
+{
+        GMainLoop *loop;
+
+        gtk_init (&argc, &argv);
+
+        loop = g_main_loop_new (NULL, FALSE);
+
+        gsd_ldsm_show_empty_trash ();
+        g_main_loop_run (loop);
+
+        g_main_loop_unref (loop);
+
+        return 0;
+}
+
diff --git a/plugins/housekeeping/gsd-housekeeping-manager.c b/plugins/housekeeping/gsd-housekeeping-manager.c
new file mode 100644
index 0000000..b291667
--- /dev/null
+++ b/plugins/housekeeping/gsd-housekeeping-manager.c
@@ -0,0 +1,519 @@
+/*
+ * Copyright (C) 2008 Michael J. Chudobiak <mjc@avtechpulse.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+#include <glib/gstdio.h>
+#include <string.h>
+#include <libnotify/notify.h>
+
+#include "gnome-settings-profile.h"
+#include "gsd-housekeeping-manager.h"
+#include "gsd-disk-space.h"
+#include "gsd-systemd-notify.h"
+
+
+/* General */
+#define INTERVAL_ONCE_A_DAY 24*60*60
+#define INTERVAL_TWO_MINUTES 2*60
+
+/* Thumbnail cleaner */
+#define THUMB_PREFIX "org.gnome.desktop.thumbnail-cache"
+
+#define THUMB_AGE_KEY "maximum-age"
+#define THUMB_SIZE_KEY "maximum-size"
+
+#define GSD_HOUSEKEEPING_DBUS_PATH "/org/gnome/SettingsDaemon/Housekeeping"
+
+static const gchar introspection_xml[] =
+"<node>"
+"  <interface name='org.gnome.SettingsDaemon.Housekeeping'>"
+"    <method name='EmptyTrash'/>"
+"    <method name='RemoveTempFiles'/>"
+"  </interface>"
+"</node>";
+
+struct _GsdHousekeepingManager {
+        GObject          parent;
+
+        GSettings *settings;
+        guint long_term_cb;
+        guint short_term_cb;
+
+        GDBusNodeInfo   *introspection_data;
+        GDBusConnection *connection;
+        GCancellable    *bus_cancellable;
+        guint            name_id;
+
+        GsdSystemdNotify *systemd_notify;
+};
+
+static void     gsd_housekeeping_manager_class_init  (GsdHousekeepingManagerClass *klass);
+static void     gsd_housekeeping_manager_init        (GsdHousekeepingManager      *housekeeping_manager);
+
+G_DEFINE_TYPE (GsdHousekeepingManager, gsd_housekeeping_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+
+typedef struct {
+        glong now;
+        glong max_age;
+        goffset total_size;
+        goffset max_size;
+} PurgeData;
+
+
+typedef struct {
+        gint64  time;
+        char   *path;
+        glong   size;
+} ThumbData;
+
+
+static void
+thumb_data_free (gpointer data)
+{
+        ThumbData *info = data;
+
+        if (info) {
+                g_free (info->path);
+                g_free (info);
+        }
+}
+
+static GList *
+read_dir_for_purge (const char *path, GList *files)
+{
+        GFile           *read_path;
+        GFileEnumerator *enum_dir;
+        int              cannot_get_time = 0;
+
+        read_path = g_file_new_for_path (path);
+        enum_dir = g_file_enumerate_children (read_path,
+                                              G_FILE_ATTRIBUTE_STANDARD_NAME ","
+                                              G_FILE_ATTRIBUTE_TIME_ACCESS ","
+                                              G_FILE_ATTRIBUTE_TIME_MODIFIED ","
+                                              G_FILE_ATTRIBUTE_STANDARD_SIZE,
+                                              G_FILE_QUERY_INFO_NONE,
+                                              NULL,
+                                              NULL);
+
+        if (enum_dir != NULL) {
+                GFileInfo *info;
+                while ((info = g_file_enumerator_next_file (enum_dir, NULL, NULL)) != NULL) {
+                        const char *name;
+                        name = g_file_info_get_name (info);
+
+                        if (strlen (name) == 36 && strcmp (name + 32, ".png") == 0) {
+                                ThumbData *td;
+                                GFile     *entry;
+                                char      *entry_path;
+                                gint64     time;
+
+                                entry = g_file_get_child (read_path, name);
+                                entry_path = g_file_get_path (entry);
+                                g_object_unref (entry);
+
+                                // If atime is available, it should be no worse than mtime.
+                                // - Even if the file system is mounted with noatime, the atime and
+                                //   mtime will be set to the same value on file creation.
+                                // - Since the thumbnailer never edits thumbnails, and instead swaps
+                                //   in newly created temp files, atime will always be >= mtime.
+
+                                if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_TIME_ACCESS)) {
+                                    time = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_ACCESS);
+                                } else if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_TIME_MODIFIED)) {
+                                    time = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
+                                } else {
+                                    // Unlikely to get here, but be defensive
+                                    cannot_get_time += 1;
+                                    time = G_MAXINT64;
+                                }
+
+                                td = g_new0 (ThumbData, 1);
+                                td->path = entry_path;
+                                td->time = time;
+                                td->size = g_file_info_get_size (info);
+
+                                files = g_list_prepend (files, td);
+                        }
+                        g_object_unref (info);
+                }
+                g_object_unref (enum_dir);
+
+                if (cannot_get_time > 0) {
+                    g_warning ("Could not read atime or mtime on %d files in %s", cannot_get_time, path);
+                }
+        }
+        g_object_unref (read_path);
+
+        return files;
+}
+
+static void
+purge_old_thumbnails (ThumbData *info, PurgeData *purge_data)
+{
+        if ((purge_data->now - info->time) > purge_data->max_age) {
+                g_unlink (info->path);
+                info->size = 0;
+        } else {
+                purge_data->total_size += info->size;
+        }
+}
+
+static int
+sort_file_time (ThumbData *file1, ThumbData *file2)
+{
+        return file1->time - file2->time;
+}
+
+static char **
+get_thumbnail_dirs (void)
+{
+        GPtrArray *array;
+        char *path;
+
+        array = g_ptr_array_new ();
+
+        /* check new XDG cache */
+        path = g_build_filename (g_get_user_cache_dir (),
+                                 "thumbnails",
+                                 "normal",
+                                 NULL);
+        g_ptr_array_add (array, path);
+
+        path = g_build_filename (g_get_user_cache_dir (),
+                                 "thumbnails",
+                                 "large",
+                                 NULL);
+        g_ptr_array_add (array, path);
+
+        path = g_build_filename (g_get_user_cache_dir (),
+                                 "thumbnails",
+                                 "fail",
+                                 "gnome-thumbnail-factory",
+                                 NULL);
+        g_ptr_array_add (array, path);
+
+        /* cleanup obsolete locations too */
+        path = g_build_filename (g_get_home_dir (),
+                                 ".thumbnails",
+                                 "normal",
+                                 NULL);
+        g_ptr_array_add (array, path);
+
+        path = g_build_filename (g_get_home_dir (),
+                                 ".thumbnails",
+                                 "large",
+                                 NULL);
+        g_ptr_array_add (array, path);
+
+        path = g_build_filename (g_get_home_dir (),
+                                 ".thumbnails",
+                                 "fail",
+                                 "gnome-thumbnail-factory",
+                                 NULL);
+        g_ptr_array_add (array, path);
+
+        g_ptr_array_add (array, NULL);
+
+        return (char **) g_ptr_array_free (array, FALSE);
+}
+
+static void
+purge_thumbnail_cache (GsdHousekeepingManager *manager)
+{
+
+        char     **paths;
+        GList     *files;
+        PurgeData  purge_data;
+        GTimeVal   current_time;
+        guint      i;
+
+        g_debug ("housekeeping: checking thumbnail cache size and freshness");
+
+        purge_data.max_age = (glong) g_settings_get_int (manager->settings, THUMB_AGE_KEY) * 24 * 60 * 60;
+        purge_data.max_size = (goffset) g_settings_get_int (manager->settings, THUMB_SIZE_KEY) * 1024 * 1024;
+
+        /* if both are set to -1, we don't need to read anything */
+        if ((purge_data.max_age < 0) && (purge_data.max_size < 0))
+                return;
+
+        paths = get_thumbnail_dirs ();
+        files = NULL;
+        for (i = 0; paths[i] != NULL; i++)
+                files = read_dir_for_purge (paths[i], files);
+        g_strfreev (paths);
+
+        g_get_current_time (&current_time);
+
+        purge_data.now = current_time.tv_sec;
+        purge_data.total_size = 0;
+
+        if (purge_data.max_age >= 0)
+                g_list_foreach (files, (GFunc) purge_old_thumbnails, &purge_data);
+
+        if ((purge_data.total_size > purge_data.max_size) && (purge_data.max_size >= 0)) {
+                GList *scan;
+                files = g_list_sort (files, (GCompareFunc) sort_file_time);
+                for (scan = files; scan && (purge_data.total_size > purge_data.max_size); scan = scan->next) {
+                        ThumbData *info = scan->data;
+                        g_unlink (info->path);
+                        purge_data.total_size -= info->size;
+                }
+        }
+
+        g_list_foreach (files, (GFunc) thumb_data_free, NULL);
+        g_list_free (files);
+}
+
+static gboolean
+do_cleanup (GsdHousekeepingManager *manager)
+{
+        purge_thumbnail_cache (manager);
+        return TRUE;
+}
+
+static gboolean
+do_cleanup_once (GsdHousekeepingManager *manager)
+{
+        do_cleanup (manager);
+        manager->short_term_cb = 0;
+        return FALSE;
+}
+
+static void
+do_cleanup_soon (GsdHousekeepingManager *manager)
+{
+        if (manager->short_term_cb == 0) {
+                g_debug ("housekeeping: will tidy up in 2 minutes");
+                manager->short_term_cb = g_timeout_add_seconds (INTERVAL_TWO_MINUTES,
+                                               (GSourceFunc) do_cleanup_once,
+                                               manager);
+                g_source_set_name_by_id (manager->short_term_cb, "[gnome-settings-daemon] do_cleanup_once");
+        }
+}
+
+static void
+settings_changed_callback (GSettings              *settings,
+                           const char             *key,
+                           GsdHousekeepingManager *manager)
+{
+        do_cleanup_soon (manager);
+}
+
+static void
+handle_method_call (GDBusConnection       *connection,
+                    const gchar           *sender,
+                    const gchar           *object_path,
+                    const gchar           *interface_name,
+                    const gchar           *method_name,
+                    GVariant              *parameters,
+                    GDBusMethodInvocation *invocation,
+                    gpointer               user_data)
+{
+        GDateTime *now;
+        now = g_date_time_new_now_local ();
+        if (g_strcmp0 (method_name, "EmptyTrash") == 0) {
+                gsd_ldsm_purge_trash (now);
+                g_dbus_method_invocation_return_value (invocation, NULL);
+        }
+        else if (g_strcmp0 (method_name, "RemoveTempFiles") == 0) {
+                gsd_ldsm_purge_temp_files (now);
+                g_dbus_method_invocation_return_value (invocation, NULL);
+        }
+        g_date_time_unref (now);
+}
+
+static const GDBusInterfaceVTable interface_vtable =
+{
+        handle_method_call,
+        NULL, /* Get Property */
+        NULL, /* Set Property */
+};
+
+static void
+on_bus_gotten (GObject                *source_object,
+               GAsyncResult           *res,
+               GsdHousekeepingManager *manager)
+{
+        GDBusConnection *connection;
+        GError *error = NULL;
+        GDBusInterfaceInfo **infos;
+        int i;
+
+        connection = g_bus_get_finish (res, &error);
+        if (connection == NULL) {
+                if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+                        g_warning ("Could not get session bus: %s", error->message);
+                g_error_free (error);
+                return;
+        }
+        manager->connection = connection;
+
+        infos = manager->introspection_data->interfaces;
+        for (i = 0; infos[i] != NULL; i++) {
+                g_dbus_connection_register_object (connection,
+                                                   GSD_HOUSEKEEPING_DBUS_PATH,
+                                                   infos[i],
+                                                   &interface_vtable,
+                                                   manager,
+                                                   NULL,
+                                                   NULL);
+        }
+
+        manager->name_id = g_bus_own_name_on_connection (connection,
+                                                               "org.gnome.SettingsDaemon.Housekeeping",
+                                                               G_BUS_NAME_OWNER_FLAGS_NONE,
+                                                               NULL,
+                                                               NULL,
+                                                               NULL,
+                                                               NULL);
+}
+
+static void
+register_manager_dbus (GsdHousekeepingManager *manager)
+{
+        manager->introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
+        g_assert (manager->introspection_data != NULL);
+        manager->bus_cancellable = g_cancellable_new ();
+
+        g_bus_get (G_BUS_TYPE_SESSION,
+                   manager->bus_cancellable,
+                   (GAsyncReadyCallback) on_bus_gotten,
+                   manager);
+}
+
+gboolean
+gsd_housekeeping_manager_start (GsdHousekeepingManager *manager,
+                                GError                **error)
+{
+        gchar *dir;
+
+        g_debug ("Starting housekeeping manager");
+        gnome_settings_profile_start (NULL);
+
+        /* Create ~/.local/ as early as possible */
+        (void) g_mkdir_with_parents(g_get_user_data_dir (), 0700);
+
+        /* Create ~/.local/share/applications/, see
+         * https://bugzilla.gnome.org/show_bug.cgi?id=703048 */
+        dir = g_build_filename (g_get_user_data_dir (), "applications", NULL);
+        (void) g_mkdir (dir, 0700);
+        g_free (dir);
+
+        gsd_ldsm_setup (FALSE);
+
+        manager->settings = g_settings_new (THUMB_PREFIX);
+        g_signal_connect (G_OBJECT (manager->settings), "changed",
+                          G_CALLBACK (settings_changed_callback), manager);
+
+        /* Clean once, a few minutes after start-up */
+        do_cleanup_soon (manager);
+
+        /* Clean periodically, on a daily basis. */
+        manager->long_term_cb = g_timeout_add_seconds (INTERVAL_ONCE_A_DAY,
+                                      (GSourceFunc) do_cleanup,
+                                      manager);
+        g_source_set_name_by_id (manager->long_term_cb, "[gnome-settings-daemon] do_cleanup");
+
+        manager->systemd_notify = g_object_new (GSD_TYPE_SYSTEMD_NOTIFY, NULL);
+
+        gnome_settings_profile_end (NULL);
+
+        return TRUE;
+}
+
+void
+gsd_housekeeping_manager_stop (GsdHousekeepingManager *manager)
+{
+        g_debug ("Stopping housekeeping manager");
+
+        if (manager->name_id != 0) {
+                g_bus_unown_name (manager->name_id);
+                manager->name_id = 0;
+        }
+
+        g_clear_object (&manager->bus_cancellable);
+        g_clear_pointer (&manager->introspection_data, g_dbus_node_info_unref);
+        g_clear_object (&manager->connection);
+
+        g_clear_object (&manager->systemd_notify);
+
+        if (manager->short_term_cb) {
+                g_source_remove (manager->short_term_cb);
+                manager->short_term_cb = 0;
+        }
+
+        if (manager->long_term_cb) {
+                g_source_remove (manager->long_term_cb);
+                manager->long_term_cb = 0;
+
+                /* Do a clean-up on shutdown if and only if the size or age
+                   limits have been set to paranoid levels (zero) */
+                if ((g_settings_get_int (manager->settings, THUMB_AGE_KEY) == 0) ||
+                    (g_settings_get_int (manager->settings, THUMB_SIZE_KEY) == 0)) {
+                        do_cleanup (manager);
+                }
+
+        }
+
+        g_clear_object (&manager->settings);
+        gsd_ldsm_clean ();
+}
+
+static void
+gsd_housekeeping_manager_finalize (GObject *object)
+{
+        gsd_housekeeping_manager_stop (GSD_HOUSEKEEPING_MANAGER (object));
+
+        G_OBJECT_CLASS (gsd_housekeeping_manager_parent_class)->finalize (object);
+}
+
+static void
+gsd_housekeeping_manager_class_init (GsdHousekeepingManagerClass *klass)
+{
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->finalize = gsd_housekeeping_manager_finalize;
+
+        notify_init ("gnome-settings-daemon");
+}
+
+static void
+gsd_housekeeping_manager_init (GsdHousekeepingManager *manager)
+{
+}
+
+GsdHousekeepingManager *
+gsd_housekeeping_manager_new (void)
+{
+        if (manager_object != NULL) {
+                g_object_ref (manager_object);
+        } else {
+                manager_object = g_object_new (GSD_TYPE_HOUSEKEEPING_MANAGER, NULL);
+                g_object_add_weak_pointer (manager_object,
+                                           (gpointer *) &manager_object);
+
+                register_manager_dbus (manager_object);
+        }
+
+        return GSD_HOUSEKEEPING_MANAGER (manager_object);
+}
diff --git a/plugins/housekeeping/gsd-housekeeping-manager.h b/plugins/housekeeping/gsd-housekeeping-manager.h
new file mode 100644
index 0000000..8b5f840
--- /dev/null
+++ b/plugins/housekeeping/gsd-housekeeping-manager.h
@@ -0,0 +1,38 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Michael J. Chudobiak <mjc@avtechpulse.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __GSD_HOUSEKEEPING_MANAGER_H
+#define __GSD_HOUSEKEEPING_MANAGER_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GSD_TYPE_HOUSEKEEPING_MANAGER         (gsd_housekeeping_manager_get_type ())
+
+G_DECLARE_FINAL_TYPE (GsdHousekeepingManager, gsd_housekeeping_manager, GSD, HOUSEKEEPING_MANAGER, GObject)
+
+GsdHousekeepingManager * gsd_housekeeping_manager_new           (void);
+gboolean                 gsd_housekeeping_manager_start         (GsdHousekeepingManager  *manager,
+                                                                 GError                 **error);
+void                     gsd_housekeeping_manager_stop          (GsdHousekeepingManager  *manager);
+
+G_END_DECLS
+
+#endif /* __GSD_HOUSEKEEPING_MANAGER_H */
diff --git a/plugins/housekeeping/gsd-purge-temp-test.c b/plugins/housekeeping/gsd-purge-temp-test.c
new file mode 100644
index 0000000..6ff2d5e
--- /dev/null
+++ b/plugins/housekeeping/gsd-purge-temp-test.c
@@ -0,0 +1,62 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * vim: set et sw=8 ts=8:
+ *
+ * Copyright (c) 2008, Novell, Inc.
+ *
+ * Authors: Vincent Untz <vuntz@gnome.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+#include <gtk/gtk.h>
+#include <libnotify/notify.h>
+#include "gsd-disk-space.h"
+
+int
+main (int    argc,
+      char **argv)
+{
+        GFile *file;
+        DeleteData *data;
+        GDateTime *old;
+        GMainLoop *loop;
+        g_autofree char *filesystem = NULL;
+
+        g_setenv ("G_MESSAGES_DEBUG", "all", TRUE);
+
+        gtk_init (&argc, &argv);
+        notify_init ("gsd-purge-temp-test");
+        loop = g_main_loop_new (NULL, FALSE);
+
+        file = g_file_new_for_path ("/tmp/gsd-purge-temp-test");
+        if (!g_file_query_exists (file, NULL)) {
+                g_warning ("Create /tmp/gsd-purge-temp-test and add some files to it to test deletion by date");
+                g_object_unref (file);
+                return 1;
+        }
+
+        old = g_date_time_new_now_local ();
+        filesystem = get_filesystem (file);
+        data = delete_data_new (file, NULL, old, FALSE, FALSE, 0, filesystem);
+        delete_recursively_by_age (data);
+        delete_data_unref (data);
+        g_object_unref (file);
+
+        g_main_loop_run (loop);
+
+        return 0;
+}
+
diff --git a/plugins/housekeeping/gsd-systemd-notify.c b/plugins/housekeeping/gsd-systemd-notify.c
new file mode 100644
index 0000000..9ead905
--- /dev/null
+++ b/plugins/housekeeping/gsd-systemd-notify.c
@@ -0,0 +1,259 @@
+/*
+ * Copyright (C) 2022 Benjamin Berg <bberg@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string.h>
+
+#include "gsd-systemd-notify.h"
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <gio/gdesktopappinfo.h>
+#include <libnotify/notify.h>
+
+struct _GsdSystemdNotify {
+        GObject parent;
+
+        GDBusConnection *session;
+        guint sub_service;
+        guint sub_scope;
+};
+
+G_DEFINE_TYPE (GsdSystemdNotify, gsd_systemd_notify, G_TYPE_OBJECT)
+
+static void
+notify_oom_kill (char *unit)
+{
+        g_autoptr(GDesktopAppInfo) app = NULL;
+        g_autofree char *unit_copy = NULL;
+        g_autofree char *app_id = NULL;
+        g_autofree char *desktop_id = NULL;
+        g_autofree char *summary = NULL;
+        g_autofree char *message = NULL;
+        NotifyNotification *notification = NULL;
+        char *pos;
+
+        unit_copy = g_strdup (unit);
+
+        if (g_str_has_suffix (unit_copy, ".service")) {
+                /* Find (first) @ character */
+                pos = strchr (unit_copy, '@');
+                if (pos)
+                        *pos = '\0';
+        } else if (g_str_has_suffix (unit_copy, ".scope")) {
+                /* Find last - character */
+                pos = strrchr (unit_copy, '-');
+                if (pos)
+                        *pos = '\0';
+        } else {
+                /* This cannot happen, because we only subscribe to the Scope
+                 * and Service DBus interfaces.
+                 */
+                g_assert_not_reached ();
+                return;
+        }
+
+
+        pos = strrchr (unit_copy, '-');
+        if (pos) {
+                pos += 1;
+
+                app_id = g_strcompress (pos);
+                desktop_id = g_strjoin (NULL, app_id, ".desktop", NULL);
+
+                app = g_desktop_app_info_new (desktop_id);
+        }
+
+        if (app) {
+                /* TRANSLATORS: %s is the application name. */
+                summary = g_strdup_printf (_("%s Stopped"),
+                                           g_app_info_get_name (G_APP_INFO (app)));
+                /* TRANSLATORS: %s is the application name. */
+                message = g_strdup_printf (_("Device memory is nearly full. %s was using a lot of memory and was forced to stop."),
+                                           g_app_info_get_name (G_APP_INFO (app)));
+        } else if (g_str_has_prefix (unit, "vte-spawn-")) {
+                /* TRANSLATORS: A terminal tab/window was killed. */
+                summary = g_strdup_printf (_("Virtual Terminal Stopped"));
+                /* TRANSLATORS: A terminal tab/window was killed. */
+                message = g_strdup_printf (_("Device memory is nearly full. Virtual Terminal processes were using a lot of memory and were forced to stop."));
+        } else {
+                /* TRANSLATORS: We don't have a good description of what was killed. */
+                summary = g_strdup_printf (_("Application Stopped"));
+                /* TRANSLATORS: We don't have a good description of what was killed. */
+                message = g_strdup_printf (_("Device memory is nearly full. An Application that was using a lot of memory and was forced to stop."));
+        }
+
+        notification = notify_notification_new (summary, message, "dialog-warning-symbolic");
+
+        if (app) {
+                notify_notification_set_hint_string (notification, "desktop-entry", desktop_id);
+                notify_notification_set_app_name (notification, g_app_info_get_name (G_APP_INFO (app)));
+        }
+        notify_notification_set_hint (notification, "transient", g_variant_new_boolean (TRUE));
+        notify_notification_set_urgency (notification, NOTIFY_URGENCY_CRITICAL);
+        notify_notification_set_timeout (notification, NOTIFY_EXPIRES_DEFAULT);
+
+        notify_notification_show (notification, NULL);
+        g_object_unref (notification);
+}
+
+/* Taken from hexdecoct.c in systemd, LGPL-2.1-or-later */
+static int
+unhexchar (char c)
+{
+        if (c >= '0' && c <= '9')
+                return c - '0';
+
+        if (c >= 'a' && c <= 'f')
+                return c - 'a' + 10;
+
+        if (c >= 'A' && c <= 'F')
+                return c - 'A' + 10;
+
+        return -EINVAL;
+}
+
+
+static char*
+unescape_dbus_path (const char *path)
+{
+        g_autofree char *res = g_malloc (strlen (path) + 1);
+        char *r;
+
+        for (r = res; *path; path += 1, r += 1) {
+                int c1, c2;
+                if (*path != '_') {
+                        *r = *path;
+                        continue;
+                }
+                /* Read next two hex characters */
+                path += 1;
+                c1 = unhexchar (*path);
+                if (c1 < 0)
+                        return NULL;
+                path += 1;
+                c2 = unhexchar (*path);
+                if (c2 < 0)
+                        return NULL;
+
+                *r = (c1 << 4) | c2;
+        }
+        *r = '\0';
+
+        return g_steal_pointer (&res);
+}
+
+static void
+on_unit_properties_changed (GDBusConnection *connection,
+                            const char *sender_name,
+                            const char *object_path,
+                            const char *interface_name,
+                            const char *signal_name,
+                            GVariant *parameters,
+                            gpointer user_data)
+{
+        g_autoptr(GVariant) dict = NULL;
+        const char *result = NULL;
+        const char *unit_escaped = NULL;
+        g_autofree char *unit = NULL;
+
+        g_assert (g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(sa{sv}as)")));
+
+        dict = g_variant_get_child_value (parameters, 1);
+        g_assert (dict);
+
+        unit_escaped = strrchr (object_path, '/');
+        g_assert (unit_escaped);
+        unit_escaped += 1;
+
+        unit = unescape_dbus_path (unit_escaped);
+        g_assert (unit);
+
+        if (g_variant_lookup (dict, "Result", "&s", &result)) {
+                if (g_strcmp0 (result, "oom-kill") == 0)
+                        notify_oom_kill (unit);
+        }
+}
+
+static void
+on_bus_gotten (GDBusConnection  *obj,
+               GAsyncResult     *res,
+               GsdSystemdNotify *self)
+{
+        g_autoptr(GError) error = NULL;
+        GDBusConnection *con;
+
+        con = g_bus_get_finish (res, &error);
+        if (!con) {
+                if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+                        g_warning ("Failed to get session bus: %s", error->message);
+                return;
+        }
+
+        self->session = con;
+        self->sub_service = g_dbus_connection_signal_subscribe (self->session,
+                                                                "org.freedesktop.systemd1",
+                                                                "org.freedesktop.DBus.Properties",
+                                                                "PropertiesChanged",
+                                                                NULL,
+                                                                "org.freedesktop.systemd1.Service",
+                                                                G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_NAMESPACE,
+                                                                on_unit_properties_changed,
+                                                                self,
+                                                                NULL);
+
+        self->sub_scope = g_dbus_connection_signal_subscribe (self->session,
+                                                              "org.freedesktop.systemd1",
+                                                              "org.freedesktop.DBus.Properties",
+                                                              "PropertiesChanged",
+                                                              NULL,
+                                                              "org.freedesktop.systemd1.Scope",
+                                                              G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_NAMESPACE,
+                                                              on_unit_properties_changed,
+                                                              self,
+                                                              NULL);
+}
+
+static void
+gsd_systemd_notify_init (GsdSystemdNotify *self)
+{
+        g_bus_get (G_BUS_TYPE_SESSION, NULL, (GAsyncReadyCallback) on_bus_gotten, self);
+}
+
+static void
+gsd_systemd_notify_dispose (GObject *obj)
+{
+        GsdSystemdNotify *self = GSD_SYSTEMD_NOTIFY (obj);
+
+        if (self->sub_service) {
+                g_dbus_connection_signal_unsubscribe (self->session, self->sub_service);
+                g_dbus_connection_signal_unsubscribe (self->session, self->sub_scope);
+        }
+        self->sub_service = 0;
+        self->sub_scope = 0;
+        g_clear_object (&self->session);
+
+        G_OBJECT_CLASS (gsd_systemd_notify_parent_class)->dispose (obj);
+}
+
+static void
+gsd_systemd_notify_class_init (GsdSystemdNotifyClass *klass)
+{
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->dispose = gsd_systemd_notify_dispose;
+}
+
diff --git a/plugins/housekeeping/gsd-systemd-notify.h b/plugins/housekeeping/gsd-systemd-notify.h
new file mode 100644
index 0000000..51560d1
--- /dev/null
+++ b/plugins/housekeeping/gsd-systemd-notify.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2022 Benjamin Berg <bberg@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __GSD_SYSTEMD_NOTIFY_H
+#define __GSD_SYSTEMD_NOTIFY_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GSD_TYPE_SYSTEMD_NOTIFY         (gsd_systemd_notify_get_type ())
+
+G_DECLARE_FINAL_TYPE (GsdSystemdNotify, gsd_systemd_notify, GSD, SYSTEMD_NOTIFY, GObject)
+
+G_END_DECLS
+
+#endif /* __GSD_SYSTEMD_NOTIFY_H */
diff --git a/plugins/housekeeping/main.c b/plugins/housekeeping/main.c
new file mode 100644
index 0000000..89c12f7
--- /dev/null
+++ b/plugins/housekeeping/main.c
@@ -0,0 +1,7 @@
+#define NEW gsd_housekeeping_manager_new
+#define START gsd_housekeeping_manager_start
+#define STOP gsd_housekeeping_manager_stop
+#define MANAGER GsdHousekeepingManager
+#include "gsd-housekeeping-manager.h"
+
+#include "daemon-skeleton.h"
diff --git a/plugins/housekeeping/meson.build b/plugins/housekeeping/meson.build
new file mode 100644
index 0000000..ce7ba81
--- /dev/null
+++ b/plugins/housekeeping/meson.build
@@ -0,0 +1,42 @@
+common_files = files(
+  'gsd-disk-space.c',
+  'gsd-disk-space-helper.c'
+)
+
+sources = common_files + files(
+  'gsd-housekeeping-manager.c',
+  'gsd-systemd-notify.c',
+  'main.c'
+)
+
+deps = plugins_deps + [
+  gio_unix_dep,
+  gtk_dep,
+  libnotify_dep
+]
+
+executable(
+  'gsd-' + plugin_name,
+  sources,
+  include_directories: [top_inc, common_inc],
+  dependencies: deps,
+  c_args: cflags,
+  install: true,
+  install_rpath: gsd_pkglibdir,
+  install_dir: gsd_libexecdir
+)
+
+programs = [
+  'gsd-disk-space-test',
+  'gsd-empty-trash-test',
+  'gsd-purge-temp-test'
+]
+
+foreach program: programs
+  executable(
+    program,
+    common_files + [program + '.c'],
+    include_directories: top_inc,
+    dependencies: deps
+  )
+endforeach