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/*
* e-shell-migrate.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-shell-migrate.h"
#include <glib/gstdio.h>
#include <libedataserver/e-xml-utils.h>
#include "libevolution-utils/e-alert-dialog.h"
#include "e-util/e-file-utils.h"
#include "e-util/e-util.h"
#include "es-event.h"
static gboolean
shell_migrate_attempt (EShell *shell,
gint major,
gint minor,
gint micro)
{
GtkWindow *parent;
GList *backends;
gboolean success = TRUE;
parent = e_shell_get_active_window (shell);
backends = e_shell_get_shell_backends (shell);
/* New user accounts have nothing to migrate. */
if (major == 0 && minor == 0 && micro == 0)
return TRUE;
/* We only support migrating from version 2 now. */
if (major < 2) {
gchar *version;
gint response;
version = g_strdup_printf ("%d.%d", major, minor);
response = e_alert_run_dialog_for_args (
parent, "shell:upgrade-version-too-old",
version, NULL);
g_free (version);
return (response == GTK_RESPONSE_OK);
}
/* Ask each of the shell backends to migrate their own data.
* XXX If something fails the user may end up with only partially
* migrated data. Need transaction semantics here, but how? */
while (success && backends != NULL) {
EShellBackend *shell_backend = backends->data;
GError *error = NULL;
success = e_shell_backend_migrate (
shell_backend, major, minor, micro, &error);
if (error != NULL) {
gint response;
response = e_alert_run_dialog_for_args (
parent, "shell:upgrade-failed",
error->message, NULL);
success = (response == GTK_RESPONSE_OK);
g_error_free (error);
}
backends = g_list_next (backends);
}
return success;
}
static void
shell_migrate_get_version (EShell *shell,
gint *major,
gint *minor,
gint *micro)
{
GSettings *settings;
gchar *string;
*major = 0;
*minor = 0;
*micro = 0;
settings = g_settings_new ("org.gnome.evolution");
string = g_settings_get_string (settings, "version");
if (string != NULL) {
/* Since 1.4.0 we've kept the version key in GConf. */
sscanf (string, "%d.%d.%d", major, minor, micro);
g_free (string);
}
g_object_unref (settings);
}
static void
change_dir_modes (const gchar *path)
{
GDir *dir;
GError *err = NULL;
const gchar *file = NULL;
dir = g_dir_open (path, 0, &err);
if (err) {
g_warning ("Error opening directory %s: %s \n", path, err->message);
g_clear_error (&err);
return;
}
while ((file = g_dir_read_name (dir))) {
gchar *full_path = g_build_filename (path, file, NULL);
if (g_file_test (full_path, G_FILE_TEST_IS_DIR))
change_dir_modes (full_path);
g_free (full_path);
}
g_chmod (path, 0700);
g_dir_close (dir);
}
static void
fix_folder_permissions (const gchar *data_dir)
{
struct stat sb;
if (g_stat (data_dir, &sb) == -1) {
g_warning ("error stat: %s \n", data_dir);
return;
}
if (((guint32) sb.st_mode & 0777) != 0700)
change_dir_modes (data_dir);
}
static void
merge_duplicate_local_sources (GConfClient *client,
const gchar *gconf_key)
{
ESourceList *source_list;
GSList *iter, *to_remove = NULL;
ESourceGroup *first_local = NULL;
g_return_if_fail (client != NULL);
g_return_if_fail (gconf_key != NULL);
source_list = e_source_list_new_for_gconf (client, gconf_key);
for (iter = e_source_list_peek_groups (source_list); iter; iter = iter->next) {
GSList *sources;
ESourceGroup *group = iter->data;
if (!group || !e_source_group_peek_base_uri (group) ||
g_ascii_strncasecmp (
e_source_group_peek_base_uri (group), "local:", 6) != 0)
continue;
if (!first_local) {
first_local = group;
continue;
}
/* merging respective sources */
for (sources = e_source_group_peek_sources (group);
sources != NULL; sources = sources->next) {
GSList *liter;
ESource *dupe_source = sources->data;
if (!dupe_source)
continue;
for (liter = e_source_group_peek_sources (first_local);
liter != NULL; liter = liter->next) {
ESource *my_source = liter->data;
const gchar *val1, *val2;
if (!my_source)
continue;
/* pretty unlikely, but just in case */
val1 = e_source_peek_uid (dupe_source);
val2 = e_source_peek_uid (my_source);
if (g_strcmp0 (val1, val2) == 0)
break;
/* relative uri should not be empty
* (but adressbook can have it empty) */
val1 = e_source_peek_relative_uri (dupe_source);
val2 = e_source_peek_relative_uri (my_source);
if (g_strcmp0 (val1, val2) == 0 && val1 && *val1)
break;
}
/* didn't find matching source, thus add its copy */
if (liter == NULL) {
ESource *copy;
copy = e_source_copy (dupe_source);
e_source_group_add_source (first_local, copy, -1);
g_object_unref (copy);
}
}
to_remove = g_slist_prepend (to_remove, group);
}
if (first_local) {
GSList *sources;
for (sources = e_source_group_peek_sources (first_local);
sources != NULL; sources = sources->next) {
ESource *source = sources->data;
const gchar *relative_uri;
if (!source)
continue;
relative_uri = e_source_peek_relative_uri (source);
if (!relative_uri || !*relative_uri)
e_source_set_relative_uri (source, e_source_peek_uid (source));
}
}
if (!to_remove) {
g_object_unref (source_list);
return;
}
for (iter = to_remove; iter; iter = iter->next) {
e_source_list_remove_group (source_list, iter->data);
}
e_source_list_sync (source_list, NULL);
g_object_unref (source_list);
g_slist_free (to_remove);
}
gboolean
e_shell_migrate_attempt (EShell *shell)
{
ESEvent *ese;
GSettings *settings;
GConfClient *client;
gint major, minor, micro;
gint last_major, last_minor, last_micro;
gint curr_major, curr_minor, curr_micro;
gboolean migrated = FALSE;
gchar *string;
g_return_val_if_fail (E_IS_SHELL (shell), FALSE);
settings = g_settings_new ("org.gnome.evolution");
if (sscanf (BASE_VERSION, "%d.%d", &curr_major, &curr_minor) != 2) {
g_warning ("Could not parse BASE_VERSION (%s)", BASE_VERSION);
return TRUE;
}
curr_micro = atoi (UPGRADE_REVISION);
shell_migrate_get_version (shell, &major, &minor, µ);
/* This sets the folder permissions to S_IRWXU if needed */
if (curr_major <= 2 && curr_minor <= 30)
fix_folder_permissions (e_get_user_data_dir ());
/* Attempt to run migration all the time and let the backend
* make the choice */
if (!shell_migrate_attempt (shell, major, minor, micro))
_exit (EXIT_SUCCESS);
/* The 2.32.x (except of 2.32.2) lefts duplicate
* On This Computer/Personal sources, thus clean the mess up */
client = gconf_client_get_default ();
merge_duplicate_local_sources (client, "/apps/evolution/addressbook/sources");
merge_duplicate_local_sources (client, "/apps/evolution/calendar/sources");
merge_duplicate_local_sources (client, "/apps/evolution/tasks/sources");
merge_duplicate_local_sources (client, "/apps/evolution/memos/sources");
g_object_unref (client);
/* Record a successful migration. */
string = g_strdup_printf (
"%d.%d.%d", curr_major, curr_minor, curr_micro);
g_settings_set_string (settings, "version", string);
g_free (string);
migrated = TRUE;
/* Try to retrieve the last migrated version from GSettings. */
string = g_settings_get_string (settings, "last-upgraded-version");
if (migrated || string == NULL || sscanf (string, "%d.%d.%d",
&last_major, &last_minor, &last_micro) != 3) {
last_major = major;
last_minor = minor;
last_micro = micro;
}
g_free (string);
string = g_strdup_printf (
"%d.%d.%d", last_major, last_minor, last_micro);
g_settings_set_string (settings, "last-upgraded-version", string);
g_free (string);
g_object_unref (settings);
/** @Event: Shell attempted upgrade
* @Id: upgrade.done
* @Target: ESMenuTargetState
*
* This event is emitted whenever the shell successfully attempts
* an upgrade.
**/
ese = es_event_peek ();
e_event_emit (
(EEvent *) ese, "upgrade.done",
(EEventTarget *) es_event_target_new_upgrade (
ese, curr_major, curr_minor, curr_micro));
return TRUE;
}
GQuark
e_shell_migrate_error_quark (void)
{
static GQuark quark = 0;
if (G_UNLIKELY (quark == 0))
quark = g_quark_from_static_string (
"e-shell-migrate-error-quark");
return quark;
}
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