--- /dev/null
+/*
+ * e-data-book-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/>
+ *
+ */
+
+#include <errno.h>
+#include <glib/gstdio.h>
+#include <libedataserver/e-data-server-util.h>
+
+void e_data_book_migrate (void);
+
+static gboolean
+data_book_migrate_rename (const gchar *old_filename,
+ const gchar *new_filename)
+{
+ gboolean success = TRUE;
+
+ if (g_file_test (old_filename, G_FILE_TEST_IS_DIR)) {
+ g_print (" mv %s %s\n", old_filename, new_filename);
+ if (g_rename (old_filename, new_filename) < 0) {
+ g_printerr (" FAILED: %s\n", g_strerror (errno));
+ success = FALSE;
+ }
+ }
+
+ return success;
+}
+
+static gboolean
+data_book_migrate_rmdir (const gchar *dirname)
+{
+ gboolean success = TRUE;
+
+ if (g_file_test (dirname, G_FILE_TEST_IS_DIR)) {
+ g_print (" rmdir %s\n", dirname);
+ if (g_rmdir (dirname) < 0) {
+ g_printerr (" FAILED: %s\n", g_strerror (errno));
+ success = FALSE;
+ }
+ }
+
+ return success;
+}
+
+static void
+data_book_migrate_process_corrections (GHashTable *corrections)
+{
+ GHashTableIter iter;
+ gpointer old_filename;
+ gpointer new_filename;
+
+ g_hash_table_iter_init (&iter, corrections);
+
+ while (g_hash_table_iter_next (&iter, &old_filename, &new_filename)) {
+ data_book_migrate_rename (old_filename, new_filename);
+ g_hash_table_iter_remove (&iter);
+ }
+}
+
+static gboolean
+data_book_migrate_move_contents (const gchar *src_directory,
+ const gchar *dst_directory)
+{
+ GDir *dir;
+ GHashTable *corrections;
+ const gchar *basename;
+
+ dir = g_dir_open (src_directory, 0, NULL);
+ if (dir == NULL)
+ return FALSE;
+
+ /* This is to avoid renaming files while we're iterating over the
+ * directory. POSIX says the outcome of that is unspecified. */
+ corrections = g_hash_table_new_full (
+ g_str_hash, g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) g_free);
+
+ g_mkdir_with_parents (dst_directory, 0700);
+
+ while ((basename = g_dir_read_name (dir)) != NULL) {
+ gchar *old_filename;
+ gchar *new_filename;
+
+ old_filename = g_build_filename (src_directory, basename, NULL);
+ new_filename = g_build_filename (dst_directory, basename, NULL);
+
+ g_hash_table_insert (corrections, old_filename, new_filename);
+ }
+
+ g_dir_close (dir);
+
+ data_book_migrate_process_corrections (corrections);
+ g_hash_table_destroy (corrections);
+
+ /* It's tempting to want to remove the source directory here.
+ * Don't. We might be iterating over the source directory's
+ * parent directory, and removing the source directory would
+ * screw up the iteration. */
+
+ return TRUE;
+}
+
+static void
+data_book_migrate_fix_groupwise_bug (const gchar *old_base_dir)
+{
+ GDir *dir;
+ GHashTable *corrections;
+ const gchar *basename;
+ gchar *old_data_dir;
+ gchar *old_cache_dir;
+
+ /* The groupwise backend mistakenly put its addressbook
+ * cache files in ~/.evolution/addressbook instead of
+ * ~/.evolution/cache/addressbook. Fix that before
+ * we migrate the cache directory. */
+
+ old_data_dir = g_build_filename (old_base_dir, "addressbook", NULL);
+ old_cache_dir = g_build_filename (old_base_dir, "cache", "addressbook", NULL);
+
+ dir = g_dir_open (old_data_dir, 0, NULL);
+ if (dir == NULL)
+ goto exit;
+
+ /* This is to avoid renaming files while we're iterating over the
+ * directory. POSIX says the outcome of that is unspecified. */
+ corrections = g_hash_table_new_full (
+ g_str_hash, g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) g_free);
+
+ while ((basename = g_dir_read_name (dir)) != NULL) {
+ gchar *old_filename;
+ gchar *new_filename;
+
+ if (!g_str_has_prefix (basename, "groupwise___"))
+ continue;
+
+ old_filename = g_build_filename (old_data_dir, basename, NULL);
+ new_filename = g_build_filename (old_cache_dir, basename, NULL);
+
+ g_hash_table_insert (corrections, old_filename, new_filename);
+ }
+
+ g_dir_close (dir);
+
+ data_book_migrate_process_corrections (corrections);
+ g_hash_table_destroy (corrections);
+
+exit:
+ g_free (old_data_dir);
+ g_free (old_cache_dir);
+}
+
+static void
+data_book_migrate_to_user_cache_dir (const gchar *old_base_dir)
+{
+ const gchar *new_cache_dir;
+ gchar *old_cache_dir;
+ gchar *src_directory;
+ gchar *dst_directory;
+
+ old_cache_dir = g_build_filename (old_base_dir, "cache", NULL);
+ new_cache_dir = e_get_user_cache_dir ();
+
+ g_print ("Migrating cached backend data\n");
+
+ /* We don't want to move the source directory directly because the
+ * destination directory may already exist with content. Instead
+ * we want to merge the content of the source directory into the
+ * destination directory.
+ *
+ * For example, given:
+ *
+ * $(src_directory)/A and $(dst_directory)/B
+ * $(src_directory)/C
+ *
+ * we want to end up with:
+ *
+ * $(dst_directory)/A
+ * $(dst_directory)/B
+ * $(dst_directory)/C
+ *
+ * Any name collisions will be left in the source directory.
+ */
+
+ src_directory = g_build_filename (old_cache_dir, "addressbook", NULL);
+ dst_directory = g_build_filename (new_cache_dir, "addressbook", NULL);
+
+ data_book_migrate_move_contents (src_directory, dst_directory);
+ data_book_migrate_rmdir (src_directory);
+
+ g_free (src_directory);
+ g_free (dst_directory);
+
+ /* Try to remove the old cache directory. Good chance this will
+ * fail on the first try, since Evolution puts stuff here too. */
+ data_book_migrate_rmdir (old_cache_dir);
+
+ g_free (old_cache_dir);
+}
+
+static void
+data_book_migrate_to_user_data_dir (const gchar *old_base_dir)
+{
+ const gchar *new_data_dir;
+ gchar *src_directory;
+ gchar *dst_directory;
+
+ new_data_dir = e_get_user_data_dir ();
+
+ g_print ("Migrating local backend data\n");
+
+ /* We don't want to move the source directory directly because the
+ * destination directory may already exist with content. Instead
+ * we want to merge the content of the source directory into the
+ * destination directory.
+ *
+ * For example, given:
+ *
+ * $(src_directory)/A and $(dst_directory)/B
+ * $(src_directory)/C
+ *
+ * we want to end up with:
+ *
+ * $(dst_directory)/A
+ * $(dst_directory)/B
+ * $(dst_directory)/C
+ *
+ * Any name collisions will be left in the source directory.
+ */
+
+ src_directory = g_build_filename (old_base_dir, "addressbook", "local", NULL);
+ dst_directory = g_build_filename (new_data_dir, "addressbook", NULL);
+
+ data_book_migrate_move_contents (src_directory, dst_directory);
+ data_book_migrate_rmdir (src_directory);
+
+ g_free (src_directory);
+ g_free (dst_directory);
+}
+
+void
+e_data_book_migrate (void)
+{
+ const gchar *home_dir;
+ gchar *old_base_dir;
+
+ /* XXX This blocks, but it's all just local directory
+ * renames so it should be nearly instantaneous. */
+
+ home_dir = g_get_home_dir ();
+ old_base_dir = g_build_filename (home_dir, ".evolution", NULL);
+
+ /* Is there even anything to migrate? */
+ if (!g_file_test (old_base_dir, G_FILE_TEST_IS_DIR))
+ goto exit;
+
+ data_book_migrate_fix_groupwise_bug (old_base_dir);
+
+ data_book_migrate_to_user_cache_dir (old_base_dir);
+ data_book_migrate_to_user_data_dir (old_base_dir);
+
+ /* Try to remove the old base directory. Good chance this will
+ * fail on the first try, since Evolution puts stuff here too. */
+ data_book_migrate_rmdir (old_base_dir);
+
+exit:
+ g_free (old_base_dir);
+}
projects / platform / upstream / evolution-data-server.git / commitdiff