-int get_newest_complete(const char *dirname, void *private)
-{
- struct edge_snapshot_data *esd = private;
- struct snapshot s;
- int ret = is_snapshot(dirname, esd->now, &s);
-
- if (ret <= 0)
- return 1;
- if (s.flags != SS_COMPLETE) /* incomplete or being deleted */
- return 1;
- if (s.creation_time < esd->snap.creation_time)
- return 1;
- free(esd->snap.name);
- esd->snap = s;
- return 1;
-}
-
-__malloc char *name_of_newest_complete_snapshot(void)
-{
- struct edge_snapshot_data esd = {
- .now = get_current_time(),
- .snap = {.creation_time = -1}
- };
- for_each_subdir(get_newest_complete, &esd);
- return esd.snap.name;
-}
-
-void create_rsync_argv(char ***argv, int64_t *num)
-{
- char *logname, *newest = name_of_newest_complete_snapshot();
- int i = 0, j;
-
- *argv = dss_malloc((15 + conf.rsync_option_given) * sizeof(char *));
- (*argv)[i++] = dss_strdup("rsync");
- (*argv)[i++] = dss_strdup("-aq");
- (*argv)[i++] = dss_strdup("--delete");
- for (j = 0; j < conf.rsync_option_given; j++)
- (*argv)[i++] = dss_strdup(conf.rsync_option_arg[j]);
- if (newest) {
- DSS_INFO_LOG("using %s as reference snapshot\n", newest);
- (*argv)[i++] = make_message("--link-dest=../%s", newest);
- free(newest);
- } else
- DSS_INFO_LOG("no previous snapshot found");
- if (conf.exclude_patterns_given) {
- (*argv)[i++] = dss_strdup("--exclude-from");
- (*argv)[i++] = dss_strdup(conf.exclude_patterns_arg);
-
- }
- logname = dss_logname();
- if (conf.remote_user_given && !strcmp(conf.remote_user_arg, logname))
- (*argv)[i++] = dss_strdup(conf.source_dir_arg);
- else
- (*argv)[i++] = make_message("%s@%s:%s/", conf.remote_user_given?
- conf.remote_user_arg : logname,
- conf.remote_host_arg, conf.source_dir_arg);
- free(logname);
- *num = get_current_time();
- (*argv)[i++] = incomplete_name(*num);
- (*argv)[i++] = NULL;
- for (j = 0; j < i; j++)
- DSS_DEBUG_LOG("argv[%d] = %s\n", j, (*argv)[j]);
-}
-
-void free_rsync_argv(char **argv)
-{
- int i;
- for (i = 0; argv[i]; i++)
- free(argv[i]);
- free(argv);
-}
-
-int create_snapshot(char **argv)
-{
- int fds[3] = {0, 0, 0};
-
- return dss_exec(&rsync_pid, argv[0], argv, fds);
-}
-