1 /* -*- c-file-style: "linux" -*-
3 Copyright (C) 1998-2001 by Andrew Tridgell <tridge@samba.org>
4 Copyright (C) 2000, 2001, 2002 by Martin Pool <mbp@samba.org>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 * Should we send the whole file as literal data rather than trying to
28 * create an incremental diff? This is on by default when both source
29 * and destination are local and we're not doing a batch delta,
30 * because there it's no cheaper to read the whole basis file than to
33 * If both are 0, then look at whether we're local or remote and go by
37 int no_whole_file = 0;
40 int preserve_links = 0;
41 int preserve_hard_links = 0;
42 int preserve_perms = 0;
43 int preserve_devices = 0;
46 int preserve_times = 0;
53 int delete_excluded=0;
54 int one_file_system=0;
75 int copy_unsafe_links=0;
76 int block_size=BLOCK_SIZE;
81 int opt_ignore_existing=0;
92 /** Network address family. **/
94 int default_af_hint = 0; /* Any protocol */
96 int default_af_hint = AF_INET; /* Must use IPv4 */
99 /** Do not go into the background when run as --daemon. Good
100 * for debugging and required for running as a service on W32,
101 * or under Unix process-monitors. **/
107 char *backup_suffix = BACKUP_SUFFIX;
109 char *compare_dest = NULL;
110 char *config_file = RSYNCD_CONF;
111 char *shell_cmd = NULL;
112 char *log_format = NULL;
113 char *password_file = NULL;
114 char *rsync_path = RSYNC_PATH;
115 char *backup_dir = NULL;
116 int rsync_port = RSYNC_PORT;
120 int always_checksum = 0;
123 char *batch_prefix = NULL;
125 static int modify_window_set;
127 /** Local address to bind. As a character string because it's
128 * interpreted by the IPv6 layer: should be a numeric IP4 or ip6
129 * address, or a hostname. **/
133 static void print_rsync_version(enum logcode f)
135 char const *got_socketpair = "no ";
136 char const *hardlinks = "no ";
137 char const *links = "no ";
138 char const *ipv6 = "no ";
139 STRUCT_STAT *dumstat;
141 #ifdef HAVE_SOCKETPAIR
145 #if SUPPORT_HARD_LINKS
157 rprintf(f, "%s version %s protocol version %d\n",
158 RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
160 "Copyright (C) 1996-2002 by Andrew Tridgell and others\n");
161 rprintf(f, "<http://rsync.samba.org/>\n");
162 rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, "
163 "%shard links, %ssymlinks, batchfiles, \n",
164 (int) (sizeof(OFF_T) * 8),
165 got_socketpair, hardlinks, links);
167 /* Note that this field may not have type ino_t. It depends
168 * on the complicated interaction between largefile feature
170 rprintf(f, " %sIPv6, %d-bit system inums, %d-bit internal inums\n",
172 (int) (sizeof(dumstat->st_ino) * 8),
173 (int) (sizeof(INO64_T) * 8));
174 #ifdef MAINTAINER_MODE
175 rprintf(f, " panic action: \"%s\"\n",
180 rprintf(f, "WARNING: no 64-bit integers on this platform!\n");
185 "rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
186 "are welcome to redistribute it under certain conditions. See the GNU\n"
187 "General Public Licence for details.\n"
192 void usage(enum logcode F)
194 print_rsync_version(F);
196 rprintf(F,"\nrsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
198 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
199 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
200 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
201 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
202 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
203 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
204 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
205 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
206 rprintf(F," sources separated by space as long as they have same top-level\n");
207 rprintf(F,"\nOptions\n");
208 rprintf(F," -v, --verbose increase verbosity\n");
209 rprintf(F," -q, --quiet decrease verbosity\n");
210 rprintf(F," -c, --checksum always checksum\n");
211 rprintf(F," -a, --archive archive mode\n");
212 rprintf(F," -r, --recursive recurse into directories\n");
213 rprintf(F," -R, --relative use relative path names\n");
214 rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
215 rprintf(F," --backup-dir make backups into this directory\n");
216 rprintf(F," --suffix=SUFFIX override backup suffix\n");
217 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
218 rprintf(F," -l, --links copy symlinks as symlinks\n");
219 rprintf(F," -L, --copy-links copy the referent of symlinks\n");
220 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
221 rprintf(F," --safe-links ignore links outside the destination tree\n");
222 rprintf(F," -H, --hard-links preserve hard links\n");
223 rprintf(F," -p, --perms preserve permissions\n");
224 rprintf(F," -o, --owner preserve owner (root only)\n");
225 rprintf(F," -g, --group preserve group\n");
226 rprintf(F," -D, --devices preserve devices (root only)\n");
227 rprintf(F," -t, --times preserve times\n");
228 rprintf(F," -S, --sparse handle sparse files efficiently\n");
229 rprintf(F," -n, --dry-run show what would have been transferred\n");
230 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
231 rprintf(F," --no-whole-file turn off --whole-file\n");
232 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
233 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
234 rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
235 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
236 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
237 rprintf(F," --existing only update files that already exist\n");
238 rprintf(F," --ignore-existing ignore files that already exist on the receiving side\n");
239 rprintf(F," --delete delete files that don't exist on the sending side\n");
240 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
241 rprintf(F," --delete-after delete after transferring, not before\n");
242 rprintf(F," --ignore-errors delete even if there are IO errors\n");
243 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
244 rprintf(F," --partial keep partially transferred files\n");
245 rprintf(F," --force force deletion of directories even if not empty\n");
246 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
247 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
248 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
249 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
250 rprintf(F," --modify-window=NUM Timestamp window (seconds) for file match (default=%d)\n",modify_window);
251 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
252 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
253 rprintf(F," -P equivalent to --partial --progress\n");
254 rprintf(F," -z, --compress compress file data\n");
255 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
256 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
257 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
258 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
259 rprintf(F," --version print version number\n");
260 rprintf(F," --daemon run as a rsync daemon\n");
261 rprintf(F," --no-detach do not detach from the parent\n");
262 rprintf(F," --address=ADDRESS bind to the specified address\n");
263 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
264 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
265 rprintf(F," --blocking-io use blocking IO for the remote shell\n");
266 rprintf(F," --no-blocking-io turn off --blocking-io\n");
267 rprintf(F," --stats give some file transfer stats\n");
268 rprintf(F," --progress show progress during transfer\n");
269 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
270 rprintf(F," --password-file=FILE get password from FILE\n");
271 rprintf(F," --bwlimit=KBPS limit I/O bandwidth, KBytes per second\n");
272 rprintf(F," --write-batch=PREFIX write batch fileset starting with PREFIX\n");
273 rprintf(F," --read-batch=PREFIX read batch fileset starting with PREFIX\n");
274 rprintf(F," -h, --help show this help screen\n");
276 rprintf(F," -4 prefer IPv4\n");
277 rprintf(F," -6 prefer IPv6\n");
282 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
283 rprintf(F,"See http://rsync.samba.org/ for updates, bug reports, and answers\n");
286 enum {OPT_VERSION = 1000, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
287 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
288 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
289 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
290 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
291 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
292 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
293 OPT_IGNORE_ERRORS, OPT_BWLIMIT, OPT_BLOCKING_IO,
294 OPT_NO_BLOCKING_IO, OPT_WHOLE_FILE, OPT_NO_WHOLE_FILE,
295 OPT_MODIFY_WINDOW, OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_IGNORE_EXISTING};
297 static struct poptOption long_options[] = {
298 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
299 {"version", 0, POPT_ARG_NONE, 0, OPT_VERSION, 0, 0},
300 {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
301 {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
302 {"password-file", 0, POPT_ARG_STRING, &password_file, 0, 0, 0 },
303 {"ignore-times", 'I', POPT_ARG_NONE, &ignore_times , 0, 0, 0 },
304 {"size-only", 0, POPT_ARG_NONE, &size_only , 0, 0, 0 },
305 {"modify-window", 0, POPT_ARG_INT, &modify_window, OPT_MODIFY_WINDOW, 0, 0 },
306 {"one-file-system", 'x', POPT_ARG_NONE, &one_file_system , 0, 0, 0 },
307 {"delete", 0, POPT_ARG_NONE, &delete_mode , 0, 0, 0 },
308 {"existing", 0, POPT_ARG_NONE, &only_existing , 0, 0, 0 },
309 {"ignore-existing", 0, POPT_ARG_NONE, &opt_ignore_existing , 0, 0, 0 },
310 {"delete-after", 0, POPT_ARG_NONE, &delete_after , 0, 0, 0 },
311 {"delete-excluded", 0, POPT_ARG_NONE, 0, OPT_DELETE_EXCLUDED, 0, 0 },
312 {"force", 0, POPT_ARG_NONE, &force_delete , 0, 0, 0 },
313 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids , 0, 0, 0 },
314 {"exclude", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE, 0, 0 },
315 {"include", 0, POPT_ARG_STRING, 0, OPT_INCLUDE, 0, 0 },
316 {"exclude-from", 0, POPT_ARG_STRING, 0, OPT_EXCLUDE_FROM, 0, 0 },
317 {"include-from", 0, POPT_ARG_STRING, 0, OPT_INCLUDE_FROM, 0, 0 },
318 {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks , 0, 0, 0 },
319 {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 },
320 {"backup", 'b', POPT_ARG_NONE, &make_backups , 0, 0, 0 },
321 {"dry-run", 'n', POPT_ARG_NONE, &dry_run , 0, 0, 0 },
322 {"sparse", 'S', POPT_ARG_NONE, &sparse_files , 0, 0, 0 },
323 {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude , 0, 0, 0 },
324 {"update", 'u', POPT_ARG_NONE, &update_only , 0, 0, 0 },
325 {"links", 'l', POPT_ARG_NONE, &preserve_links , 0, 0, 0 },
326 {"copy-links", 'L', POPT_ARG_NONE, ©_links , 0, 0, 0 },
327 {"whole-file", 'W', POPT_ARG_NONE, 0, OPT_WHOLE_FILE, 0, 0 },
328 {"no-whole-file", 0, POPT_ARG_NONE, 0, OPT_NO_WHOLE_FILE, 0, 0 },
329 {"copy-unsafe-links", 0, POPT_ARG_NONE, ©_unsafe_links , 0, 0, 0 },
330 {"perms", 'p', POPT_ARG_NONE, &preserve_perms , 0, 0, 0 },
331 {"owner", 'o', POPT_ARG_NONE, &preserve_uid , 0, 0, 0 },
332 {"group", 'g', POPT_ARG_NONE, &preserve_gid , 0, 0, 0 },
333 {"devices", 'D', POPT_ARG_NONE, &preserve_devices , 0, 0, 0 },
334 {"times", 't', POPT_ARG_NONE, &preserve_times , 0, 0, 0 },
335 {"checksum", 'c', POPT_ARG_NONE, &always_checksum , 0, 0, 0 },
336 {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
337 {"quiet", 'q', POPT_ARG_NONE, 0, 'q', 0, 0 },
338 {"archive", 'a', POPT_ARG_NONE, 0, 'a', 0, 0 },
339 {"server", 0, POPT_ARG_NONE, &am_server , 0, 0, 0 },
340 {"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
341 {"recursive", 'r', POPT_ARG_NONE, &recurse , 0, 0, 0 },
342 {"relative", 'R', POPT_ARG_NONE, &relative_paths , 0, 0, 0 },
343 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd , 0, 0, 0 },
344 {"block-size", 'B', POPT_ARG_INT, &block_size , 0, 0, 0 },
345 {"max-delete", 0, POPT_ARG_INT, &max_delete , 0, 0, 0 },
346 {"timeout", 0, POPT_ARG_INT, &io_timeout , 0, 0, 0 },
347 {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir , 0, 0, 0 },
348 {"compare-dest", 0, POPT_ARG_STRING, &compare_dest , 0, 0, 0 },
349 /* TODO: Should this take an optional int giving the compression level? */
350 {"compress", 'z', POPT_ARG_NONE, &do_compression , 0, 0, 0 },
351 {"daemon", 0, POPT_ARG_NONE, &am_daemon , 0, 0, 0 },
352 {"no-detach", 0, POPT_ARG_NONE, &no_detach , 0, 0, 0 },
353 {"stats", 0, POPT_ARG_NONE, &do_stats , 0, 0, 0 },
354 {"progress", 0, POPT_ARG_NONE, &do_progress , 0, 0, 0 },
355 {"partial", 0, POPT_ARG_NONE, &keep_partial , 0, 0, 0 },
356 {"ignore-errors", 0, POPT_ARG_NONE, &ignore_errors , 0, 0, 0 },
357 {"blocking-io", 0, POPT_ARG_NONE, &blocking_io , 0, 0, 0 },
358 {"no-blocking-io", 0, POPT_ARG_NONE, 0, OPT_NO_BLOCKING_IO, 0, 0 },
359 {0, 'P', POPT_ARG_NONE, 0, 'P', 0, 0 },
360 {"config", 0, POPT_ARG_STRING, &config_file , 0, 0, 0 },
361 {"port", 0, POPT_ARG_INT, &rsync_port , 0, 0, 0 },
362 {"log-format", 0, POPT_ARG_STRING, &log_format , 0, 0, 0 },
363 {"bwlimit", 0, POPT_ARG_INT, &bwlimit , 0, 0, 0 },
364 {"address", 0, POPT_ARG_STRING, &bind_address, 0, 0, 0 },
365 {"backup-dir", 0, POPT_ARG_STRING, &backup_dir , 0, 0, 0 },
366 {"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links , 0, 0, 0 },
367 {"read-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_READ_BATCH, 0, 0 },
368 {"write-batch", 0, POPT_ARG_STRING, &batch_prefix, OPT_WRITE_BATCH, 0, 0 },
370 {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET , 0, 0 },
371 {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6 , 0, 0 },
377 static char err_buf[100];
380 /* We store the option error message, if any, so that we can log the
381 connection attempt (which requires parsing the options), and then
382 show the error later on. */
383 void option_error(void)
386 rprintf(FLOG, "%s", err_buf);
387 rprintf(FERROR, "%s: %s", RSYNC_NAME, err_buf);
389 rprintf (FERROR, "Error parsing options: "
390 "option may be supported on client but not on server?\n");
391 rprintf (FERROR, RSYNC_NAME ": Error parsing options: "
392 "option may be supported on client but not on server?\n");
396 /* check to see if we should refuse this option */
397 static int check_refuse_options(char *ref, int opt)
403 for (i=0; long_options[i].longName; i++) {
404 if (long_options[i].val == opt) break;
407 if (!long_options[i].longName) return 0;
409 name = long_options[i].longName;
412 while ((p = strstr(ref,name))) {
413 if ((p==ref || p[-1]==' ') &&
414 (p[len] == ' ' || p[len] == 0)) {
415 snprintf(err_buf,sizeof(err_buf),
416 "The '%s' option is not supported by this server\n", name);
425 static int count_args(char const **argv)
429 while (argv[i] != NULL)
436 /* Process command line arguments. Called on both local and remote.
437 * Returns if all options are OK, otherwise fills in err_buf and
439 int parse_arguments(int *argc, const char ***argv, int frommain)
442 char *ref = lp_refuse_options(module_id);
445 /* TODO: Call poptReadDefaultConfig; handle errors. */
447 /* The context leaks in case of an error, but if there's a
448 * problem we always exit anyhow. */
449 pc = poptGetContext(RSYNC_NAME, *argc, *argv, long_options, 0);
451 while ((opt = poptGetNextOpt(pc)) != -1) {
453 if (check_refuse_options(ref, opt)) return 0;
456 /* most options are handled automatically by popt;
457 * only special cases are returned and listed here. */
461 print_rsync_version(FINFO);
464 case OPT_MODIFY_WINDOW:
465 /* The value has already been set by popt, but
466 * we need to remember that we're using a
467 * non-default setting. */
468 modify_window_set = 1;
471 case OPT_DELETE_EXCLUDED:
477 add_exclude(poptGetOptArg(pc), 0);
481 add_exclude(poptGetOptArg(pc), 1);
484 case OPT_EXCLUDE_FROM:
485 add_exclude_file(poptGetOptArg(pc), 1, 0);
488 case OPT_INCLUDE_FROM:
489 add_exclude_file(poptGetOptArg(pc), 1, 1);
497 case OPT_NO_WHOLE_FILE:
502 case OPT_NO_BLOCKING_IO:
511 #if SUPPORT_HARD_LINKS
512 preserve_hard_links=1;
514 /* FIXME: Don't say "server" if this is
515 * happening on the client. */
516 /* FIXME: Why do we have the duplicated
517 * rprintf? Everybody who gets this message
518 * ought to send it to the client and also to
520 snprintf(err_buf,sizeof(err_buf),
521 "hard links are not supported on this %s\n",
522 am_server ? "server" : "client");
523 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
525 #endif /* SUPPORT_HARD_LINKS */
533 if (frommain) quiet++;
551 exit_cleanup(RERR_SYNTAX);
561 case OPT_WRITE_BATCH:
562 /* popt stores the filename in batch_prefix for us */
567 /* popt stores the filename in batch_prefix for us */
572 /* FIXME: If --daemon is specified, then errors for later
573 * parameters seem to disappear. */
574 snprintf(err_buf, sizeof(err_buf),
576 am_server ? "on remote machine: " : "",
577 poptBadOption(pc, POPT_BADOPTION_NOALIAS),
583 if (write_batch && read_batch) {
584 snprintf(err_buf,sizeof(err_buf),
585 "write-batch and read-batch can not be used together\n");
586 rprintf(FERROR,"ERROR: write-batch and read-batch"
587 " can not be used together\n");
591 if (do_compression && (write_batch || read_batch)) {
592 snprintf(err_buf,sizeof(err_buf),
593 "compress can not be used with write-batch or read-batch\n");
594 rprintf(FERROR,"ERROR: compress can not be used with"
595 " write-batch or read-batch\n");
599 *argv = poptGetArgs(pc);
601 *argc = count_args(*argv);
609 /* Construct a filtered list of options to pass through from the
610 * client to the server */
611 void server_options(char **args,int *argc)
614 static char argstr[50];
615 static char bsize[30];
616 static char iotime[30];
617 static char mdelete[30];
618 static char mwindow[30];
620 /* Leave room for ``--(write|read)-batch='' */
621 static char fext[MAXPATHLEN + 15];
625 if (blocking_io == -1)
628 args[ac++] = "--server";
631 args[ac++] = "--sender";
635 for (i=0;i<verbose;i++)
638 /* the -q option is intentionally left out */
650 assert(whole_file == 0 || whole_file == 1);
653 /* We don't need to send --no-whole-file, because it's the
654 * default for remote transfers, and in any case old versions
655 * of rsync will not understand it. */
657 if (preserve_hard_links)
663 if (preserve_devices)
686 /* this is a complete hack - blame Rusty
688 this is a hack to make the list_only (remote file list)
690 if (list_only && !recurse)
695 if (x != 1) args[ac++] = argstr;
697 if (block_size != BLOCK_SIZE) {
698 snprintf(bsize,sizeof(bsize),"-B%d",block_size);
702 if (max_delete && am_sender) {
703 snprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
704 args[ac++] = mdelete;
707 if (batch_prefix != NULL) {
710 fmt = "--write-batch=%s";
713 fmt = "--read-batch=%s";
714 snprintf(fext,sizeof(fext),fmt,batch_prefix);
719 snprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
724 snprintf(bw,sizeof(bw),"--bwlimit=%d",bwlimit);
728 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
729 args[ac++] = "--suffix";
730 args[ac++] = backup_suffix;
733 if (delete_mode && !delete_excluded)
734 args[ac++] = "--delete";
737 args[ac++] = "--delete-excluded";
740 args[ac++] = "--size-only";
742 if (modify_window_set) {
743 snprintf(mwindow,sizeof(mwindow),"--modify-window=%d",
745 args[ac++] = mwindow;
749 args[ac++] = "--partial";
752 args[ac++] = "--force";
755 args[ac++] = "--delete-after";
758 args[ac++] = "--ignore-errors";
760 if (copy_unsafe_links)
761 args[ac++] = "--copy-unsafe-links";
764 args[ac++] = "--safe-links";
767 args[ac++] = "--numeric-ids";
769 if (only_existing && am_sender)
770 args[ac++] = "--existing";
772 if (opt_ignore_existing && am_sender)
773 args[ac++] = "--ignore-existing";
776 args[ac++] = "--temp-dir";
780 if (backup_dir && am_sender) {
781 /* only the receiver needs this option, if we are the sender
782 * then we need to send it to the receiver.
784 args[ac++] = "--backup-dir";
785 args[ac++] = backup_dir;
788 if (compare_dest && am_sender) {
789 /* the server only needs this option if it is not the sender,
790 * and it may be an older version that doesn't know this
791 * option, so don't send it if client is the sender.
793 args[ac++] = "--compare-dest";
794 args[ac++] = compare_dest;