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Do better job at describing exclude/include in man page. Based on suggestions
[rsync/rsync.git] / options.c
CommitLineData
7a6421fa
AT		 1/*
2 Copyright (C) Andrew Tridgell 1998
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17*/
18
19/* options parsing code */
20
21#include "rsync.h"
22
23
24int make_backups = 0;
25int whole_file = 0;
26int copy_links = 0;
27int preserve_links = 0;
28int preserve_hard_links = 0;
29int preserve_perms = 0;
30int preserve_devices = 0;
31int preserve_uid = 0;
32int preserve_gid = 0;
33int preserve_times = 0;
34int update_only = 0;
35int cvs_exclude = 0;
36int dry_run=0;
37int local_server=0;
38int ignore_times=0;
39int delete_mode=0;
b33b791e 40int delete_excluded=0;
7a6421fa
AT		 41int one_file_system=0;
42int remote_version=0;
43int sparse_files=0;
44int do_compression=0;
45int am_root=0;
46int orig_umask=0;
47int relative_paths=0;
48int numeric_ids = 0;
49int force_delete = 0;
50int io_timeout = 0;
51int io_error = 0;
52int read_only = 0;
53int module_id = -1;
54int am_server = 0;
55int am_sender=0;
56int recurse = 0;
57int am_daemon=0;
a800434a 58int do_stats=0;
eb86d661 59int do_progress=0;
c95da96a 60int keep_partial=0;
d853783f 61int safe_symlinks=0;
b5313607 62int copy_unsafe_links=0;
7a6421fa 63int block_size=BLOCK_SIZE;
f83f0548 64int size_only=0;
57df171b 65int delete_after=0;
1347d512 66int only_existing=0;
0b73ca12 67int max_delete=0;
ef55c686 68int ignore_errors=0;
7a6421fa
AT		 69
70char *backup_suffix = BACKUP_SUFFIX;
71char *tmpdir = NULL;
375a4556 72char *compare_dest = NULL;
7a6421fa
AT		 73char *config_file = RSYNCD_CONF;
74char *shell_cmd = NULL;
b6062654 75char *log_format = NULL;
65575e96 76char *password_file = NULL;
7a6421fa 77char *rsync_path = RSYNC_NAME;
66203a98 78char *backup_dir = NULL;
7a6421fa
AT		 79int rsync_port = RSYNC_PORT;
80
81int verbose = 0;
b86f0cef 82int quiet = 0;
7a6421fa 83int always_checksum = 0;
f7632fc6 84int list_only = 0;
7a6421fa 85
5c9730a4
AT		 86struct in_addr socket_address = {INADDR_ANY};
87
0f3203c3 88void usage(enum logcode F)
7a6421fa
AT		 89{
90 rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
91 VERSION);
704f908e
AT		 92
93 rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
94
9ef53907 95 rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
704f908e 96 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
9ef53907 97 rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
14d43f1f 98 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
9ef53907 99 rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
14d43f1f 100 rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
9ef53907
DD		 101 rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
102 rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
103 rprintf(F," sources separated by space as long as they have same top-level\n");
704f908e
AT		 104 rprintf(F,"\nOptions\n");
105 rprintf(F," -v, --verbose increase verbosity\n");
b86f0cef 106 rprintf(F," -q, --quiet decrease verbosity\n");
704f908e
AT		 107 rprintf(F," -c, --checksum always checksum\n");
108 rprintf(F," -a, --archive archive mode\n");
109 rprintf(F," -r, --recursive recurse into directories\n");
110 rprintf(F," -R, --relative use relative path names\n");
9ef53907 111 rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
e20c5e95 112 rprintf(F," --backup-dir make backups into this directory\n");
9ef53907 113 rprintf(F," --suffix=SUFFIX override backup suffix\n");
704f908e
AT		 114 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
115 rprintf(F," -l, --links preserve soft links\n");
116 rprintf(F," -L, --copy-links treat soft links like regular files\n");
b5313607 117 rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
d853783f 118 rprintf(F," --safe-links ignore links outside the destination tree\n");
704f908e
AT		 119 rprintf(F," -H, --hard-links preserve hard links\n");
120 rprintf(F," -p, --perms preserve permissions\n");
121 rprintf(F," -o, --owner preserve owner (root only)\n");
122 rprintf(F," -g, --group preserve group\n");
123 rprintf(F," -D, --devices preserve devices (root only)\n");
124 rprintf(F," -t, --times preserve times\n");
125 rprintf(F," -S, --sparse handle sparse files efficiently\n");
126 rprintf(F," -n, --dry-run show what would have been transferred\n");
127 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
128 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9ef53907 129 rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
704f908e
AT		 130 rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
131 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
132 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
1347d512 133 rprintf(F," --existing only update files that already exist\n");
704f908e 134 rprintf(F," --delete delete files that don't exist on the sending side\n");
b33b791e 135 rprintf(F," --delete-excluded also delete excluded files on the receiving side\n");
57df171b 136 rprintf(F," --delete-after delete after transferring, not before\n");
ef55c686 137 rprintf(F," --ignore-errors delete even if there are IO errors\n");
0b73ca12 138 rprintf(F," --max-delete=NUM don't delete more than NUM files\n");
c95da96a 139 rprintf(F," --partial keep partially transferred files\n");
704f908e
AT		 140 rprintf(F," --force force deletion of directories even if not empty\n");
141 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
142 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
143 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
f83f0548 144 rprintf(F," --size-only only use file size when determining if a file should be transferred\n");
704f908e 145 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
375a4556 146 rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
d9fcc198 147 rprintf(F," -P equivalent to --partial --progress\n");
704f908e 148 rprintf(F," -z, --compress compress file data\n");
2acf81eb 149 rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
858fb9eb 150 rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
2acf81eb 151 rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
858fb9eb 152 rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
704f908e
AT		 153 rprintf(F," --version print version number\n");
154 rprintf(F," --daemon run as a rsync daemon\n");
5c9730a4 155 rprintf(F," --address bind to the specified address\n");
704f908e
AT		 156 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
157 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
158 rprintf(F," --stats give some file transfer stats\n");
eb86d661 159 rprintf(F," --progress show progress during transfer\n");
b6062654 160 rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
65575e96 161 rprintf(F," --password-file=FILE get password from FILE\n");
704f908e 162 rprintf(F," -h, --help show this help screen\n");
7a6421fa
AT		 163
164 rprintf(F,"\n");
b72f24c7
AT		 165
166 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
9e3c856a 167 rprintf(F,"See http://rsync.samba.org/ for updates and bug reports\n");
7a6421fa
AT		 168}
169
b33b791e
DD		 170enum {OPT_VERSION, OPT_SUFFIX, OPT_SENDER, OPT_SERVER, OPT_EXCLUDE,
171 OPT_EXCLUDE_FROM, OPT_DELETE, OPT_DELETE_EXCLUDED, OPT_NUMERIC_IDS,
172 OPT_RSYNC_PATH, OPT_FORCE, OPT_TIMEOUT, OPT_DAEMON, OPT_CONFIG, OPT_PORT,
d853783f 173 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
b5313607 174 OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
57df171b 175 OPT_LOG_FORMAT, OPT_PASSWORD_FILE, OPT_SIZE_ONLY, OPT_ADDRESS,
ef55c686
AT		 176 OPT_DELETE_AFTER, OPT_EXISTING, OPT_MAX_DELETE, OPT_BACKUP_DIR,
177 OPT_IGNORE_ERRORS};
7a6421fa 178
d9fcc198 179static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:zP";
7a6421fa
AT		 180
181static struct option long_options[] = {
182 {"version", 0, 0, OPT_VERSION},
183 {"server", 0, 0, OPT_SERVER},
184 {"sender", 0, 0, OPT_SENDER},
1347d512 185 {"existing", 0, 0, OPT_EXISTING},
7a6421fa 186 {"delete", 0, 0, OPT_DELETE},
b33b791e 187 {"delete-excluded", 0, 0, OPT_DELETE_EXCLUDED},
7a6421fa
AT		 188 {"force", 0, 0, OPT_FORCE},
189 {"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
190 {"exclude", 1, 0, OPT_EXCLUDE},
191 {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
2b6b4d53
AT		 192 {"include", 1, 0, OPT_INCLUDE},
193 {"include-from",1, 0, OPT_INCLUDE_FROM},
7a6421fa 194 {"rsync-path", 1, 0, OPT_RSYNC_PATH},
65575e96 195 {"password-file", 1, 0, OPT_PASSWORD_FILE},
7a6421fa
AT		 196 {"one-file-system",0, 0, 'x'},
197 {"ignore-times",0, 0, 'I'},
f83f0548 198 {"size-only", 0, 0, OPT_SIZE_ONLY},
7a6421fa
AT		 199 {"help", 0, 0, 'h'},
200 {"dry-run", 0, 0, 'n'},
201 {"sparse", 0, 0, 'S'},
202 {"cvs-exclude", 0, 0, 'C'},
203 {"archive", 0, 0, 'a'},
204 {"checksum", 0, 0, 'c'},
205 {"backup", 0, 0, 'b'},
206 {"update", 0, 0, 'u'},
207 {"verbose", 0, 0, 'v'},
b86f0cef 208 {"quiet", 0, 0, 'q'},
7a6421fa
AT		 209 {"recursive", 0, 0, 'r'},
210 {"relative", 0, 0, 'R'},
211 {"devices", 0, 0, 'D'},
212 {"perms", 0, 0, 'p'},
213 {"links", 0, 0, 'l'},
214 {"copy-links", 0, 0, 'L'},
b5313607 215 {"copy-unsafe-links", 0, 0, OPT_COPY_UNSAFE_LINKS},
d853783f 216 {"safe-links", 0, 0, OPT_SAFE_LINKS},
7a6421fa
AT		 217 {"whole-file", 0, 0, 'W'},
218 {"hard-links", 0, 0, 'H'},
219 {"owner", 0, 0, 'o'},
220 {"group", 0, 0, 'g'},
221 {"times", 0, 0, 't'},
222 {"rsh", 1, 0, 'e'},
223 {"suffix", 1, 0, OPT_SUFFIX},
224 {"block-size", 1, 0, 'B'},
225 {"timeout", 1, 0, OPT_TIMEOUT},
226 {"temp-dir", 1, 0, 'T'},
375a4556 227 {"compare-dest", 1, 0, OPT_COMPARE_DEST},
7a6421fa
AT		 228 {"compress", 0, 0, 'z'},
229 {"daemon", 0, 0, OPT_DAEMON},
a800434a 230 {"stats", 0, 0, OPT_STATS},
eb86d661 231 {"progress", 0, 0, OPT_PROGRESS},
c95da96a 232 {"partial", 0, 0, OPT_PARTIAL},
57df171b 233 {"delete-after",0, 0, OPT_DELETE_AFTER},
ef55c686 234 {"ignore-errors",0, 0, OPT_IGNORE_ERRORS},
7a6421fa
AT		 235 {"config", 1, 0, OPT_CONFIG},
236 {"port", 1, 0, OPT_PORT},
b6062654 237 {"log-format", 1, 0, OPT_LOG_FORMAT},
5c9730a4 238 {"address", 1, 0, OPT_ADDRESS},
0b73ca12 239 {"max-delete", 1, 0, OPT_MAX_DELETE},
66203a98 240 {"backup-dir", 1, 0, OPT_BACKUP_DIR},
7a6421fa
AT		 241 {0,0,0,0}};
242
b11ed3b1 243
cd8185f2
AT		 244static char err_buf[100];
245
246void option_error(void)
247{
248 if (err_buf[0]) {
249 rprintf(FLOG,"%s", err_buf);
250 rprintf(FERROR,"%s", err_buf);
251 } else {
252 rprintf(FLOG,"Error parsing options - unsupported option?\n");
253 rprintf(FERROR,"Error parsing options - unsupported option?\n");
254 }
255 exit_cleanup(RERR_UNSUPPORTED);
256}
257
258/* check to see if we should refuse this option */
259static int check_refuse_options(char *ref, int opt)
260{
261 int i, len;
262 char *p;
263 const char *name;
264
265 for (i=0; long_options[i].name; i++) {
266 if (long_options[i].val == opt) break;
267 }
268
269 if (!long_options[i].name) return 0;
270
271 name = long_options[i].name;
272 len = strlen(name);
273
274 while ((p = strstr(ref,name))) {
055af776
AT		 275 if ((p==ref || p[-1]==' ') &&
276 (p[len] == ' ' || p[len] == 0)) {
cd8185f2
AT		 277 slprintf(err_buf,sizeof(err_buf),
278 "The '%s' option is not supported by this server\n", name);
279 return 1;
280 }
281 ref += len;
282 }
283 return 0;
284}
285
286
b86f0cef 287int parse_arguments(int argc, char *argv[], int frommain)
7a6421fa 288{
d853783f
AT		 289 int opt;
290 int option_index;
cd8185f2 291 char *ref = lp_refuse_options(module_id);
d853783f
AT		 292
293 while ((opt = getopt_long(argc, argv,
294 short_options, long_options, &option_index))
295 != -1) {
cd8185f2
AT		 296
297 if (ref) {
298 if (check_refuse_options(ref, opt)) return 0;
299 }
300
d853783f
AT		 301 switch (opt) {
302 case OPT_VERSION:
303 rprintf(FINFO,"rsync version %s protocol version %d\n\n",
304 VERSION,PROTOCOL_VERSION);
305 rprintf(FINFO,"Written by Andrew Tridgell and Paul Mackerras\n");
306 exit_cleanup(0);
307
308 case OPT_SUFFIX:
309 backup_suffix = optarg;
310 break;
311
312 case OPT_RSYNC_PATH:
313 rsync_path = optarg;
314 break;
65575e96
AT		 315
316 case OPT_PASSWORD_FILE:
317 password_file =optarg;
318 break;
f83f0548 319
d853783f
AT		 320 case 'I':
321 ignore_times = 1;
322 break;
323
f83f0548
AT		 324 case OPT_SIZE_ONLY:
325 size_only = 1;
326 break;
327
d853783f
AT		 328 case 'x':
329 one_file_system=1;
330 break;
331
332 case OPT_DELETE:
333 delete_mode = 1;
334 break;
335
1347d512
AT		 336 case OPT_EXISTING:
337 only_existing = 1;
338 break;
339
57df171b
AT		 340 case OPT_DELETE_AFTER:
341 delete_after = 1;
342 break;
343
b33b791e
DD		 344 case OPT_DELETE_EXCLUDED:
345 delete_excluded = 1;
346 delete_mode = 1;
347 break;
348
d853783f
AT		 349 case OPT_FORCE:
350 force_delete = 1;
351 break;
352
353 case OPT_NUMERIC_IDS:
354 numeric_ids = 1;
355 break;
356
357 case OPT_EXCLUDE:
358 add_exclude(optarg, 0);
359 break;
360
361 case OPT_INCLUDE:
362 add_exclude(optarg, 1);
363 break;
364
365 case OPT_EXCLUDE_FROM:
366 add_exclude_file(optarg,1, 0);
367 break;
368
369 case OPT_INCLUDE_FROM:
370 add_exclude_file(optarg,1, 1);
371 break;
372
b5313607
DD		 373 case OPT_COPY_UNSAFE_LINKS:
374 copy_unsafe_links=1;
375 break;
376
d853783f
AT		 377 case OPT_SAFE_LINKS:
378 safe_symlinks=1;
379 break;
380
381 case 'h':
382 usage(FINFO);
383 exit_cleanup(0);
384
385 case 'b':
386 make_backups=1;
387 break;
388
389 case 'n':
390 dry_run=1;
391 break;
392
393 case 'S':
394 sparse_files=1;
395 break;
396
397 case 'C':
398 cvs_exclude=1;
399 break;
400
401 case 'u':
402 update_only=1;
403 break;
404
405 case 'l':
406 preserve_links=1;
407 break;
408
409 case 'L':
410 copy_links=1;
411 break;
412
413 case 'W':
414 whole_file=1;
415 break;
416
417 case 'H':
7a6421fa 418#if SUPPORT_HARD_LINKS
d853783f 419 preserve_hard_links=1;
7a6421fa 420#else
cd8185f2 421 slprintf(err_buf,sizeof(err_buf),"hard links are not supported on this server\n");
d853783f 422 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
b11ed3b1 423 return 0;
7a6421fa 424#endif
d853783f 425 break;
7a6421fa 426
d853783f
AT		 427 case 'p':
428 preserve_perms=1;
429 break;
7a6421fa 430
d853783f
AT		 431 case 'o':
432 preserve_uid=1;
433 break;
7a6421fa 434
d853783f
AT		 435 case 'g':
436 preserve_gid=1;
437 break;
7a6421fa 438
d853783f
AT		 439 case 'D':
440 preserve_devices=1;
441 break;
7a6421fa 442
d853783f
AT		 443 case 't':
444 preserve_times=1;
445 break;
7a6421fa 446
d853783f
AT		 447 case 'c':
448 always_checksum=1;
449 break;
7a6421fa 450
d853783f
AT		 451 case 'v':
452 verbose++;
453 break;
7a6421fa 454
b86f0cef
DD		 455 case 'q':
456 if (frommain) quiet++;
457 break;
458
d853783f
AT		 459 case 'a':
460 recurse=1;
7a6421fa 461#if SUPPORT_LINKS
d853783f 462 preserve_links=1;
7a6421fa 463#endif
d853783f
AT		 464 preserve_perms=1;
465 preserve_times=1;
466 preserve_gid=1;
e20c5e95
AT		 467 preserve_uid=1;
468 preserve_devices=1;
d853783f
AT		 469 break;
470
471 case OPT_SERVER:
472 am_server = 1;
473 break;
474
475 case OPT_SENDER:
476 if (!am_server) {
477 usage(FERROR);
65417579 478 exit_cleanup(RERR_SYNTAX);
d853783f
AT		 479 }
480 am_sender = 1;
481 break;
482
483 case 'r':
484 recurse = 1;
485 break;
486
487 case 'R':
488 relative_paths = 1;
489 break;
490
491 case 'e':
492 shell_cmd = optarg;
493 break;
494
495 case 'B':
496 block_size = atoi(optarg);
497 break;
498
0b73ca12
AT		 499 case OPT_MAX_DELETE:
500 max_delete = atoi(optarg);
501 break;
502
d853783f
AT		 503 case OPT_TIMEOUT:
504 io_timeout = atoi(optarg);
505 break;
506
507 case 'T':
508 tmpdir = optarg;
509 break;
510
375a4556
DD		 511 case OPT_COMPARE_DEST:
512 compare_dest = optarg;
513 break;
514
d853783f
AT		 515 case 'z':
516 do_compression = 1;
517 break;
518
519 case OPT_DAEMON:
520 am_daemon = 1;
521 break;
522
523 case OPT_STATS:
524 do_stats = 1;
525 break;
526
527 case OPT_PROGRESS:
528 do_progress = 1;
529 break;
530
531 case OPT_PARTIAL:
532 keep_partial = 1;
533 break;
534
ef55c686
AT		 535 case OPT_IGNORE_ERRORS:
536 ignore_errors = 1;
537 break;
538
d9fcc198
AT		 539 case 'P':
540 do_progress = 1;
541 keep_partial = 1;
542 break;
543
d853783f
AT		 544 case OPT_CONFIG:
545 config_file = optarg;
546 break;
547
548 case OPT_PORT:
549 rsync_port = atoi(optarg);
550 break;
551
b6062654
AT		 552 case OPT_LOG_FORMAT:
553 log_format = optarg;
554 break;
555
5c9730a4
AT		 556 case OPT_ADDRESS:
557 {
558 struct in_addr *ia;
559 if ((ia = ip_address(optarg))) {
560 socket_address = *ia;
561 }
562 }
563 break;
564
66203a98
AT		 565 case OPT_BACKUP_DIR:
566 backup_dir = optarg;
567 break;
568
d853783f 569 default:
cd8185f2 570 slprintf(err_buf,sizeof(err_buf),"unrecognised option\n");
b11ed3b1 571 return 0;
d853783f 572 }
7a6421fa 573 }
b11ed3b1 574 return 1;
7a6421fa
AT		 575}
576
577
66203a98
AT		 578/* need to pass all the valid options from the client to the server */
579
7a6421fa
AT		 580void server_options(char **args,int *argc)
581{
d853783f
AT		 582 int ac = *argc;
583 static char argstr[50];
584 static char bsize[30];
585 static char iotime[30];
0b73ca12 586 static char mdelete[30];
d853783f
AT		 587 int i, x;
588
589 args[ac++] = "--server";
590
591 if (!am_sender)
592 args[ac++] = "--sender";
593
594 x = 1;
595 argstr[0] = '-';
596 for (i=0;i<verbose;i++)
597 argstr[x++] = 'v';
b86f0cef 598 /* the -q option is intentionally left out */
d853783f
AT		 599 if (make_backups)
600 argstr[x++] = 'b';
601 if (update_only)
602 argstr[x++] = 'u';
603 if (dry_run)
604 argstr[x++] = 'n';
605 if (preserve_links)
606 argstr[x++] = 'l';
607 if (copy_links)
608 argstr[x++] = 'L';
609 if (whole_file)
610 argstr[x++] = 'W';
611 if (preserve_hard_links)
612 argstr[x++] = 'H';
613 if (preserve_uid)
614 argstr[x++] = 'o';
615 if (preserve_gid)
616 argstr[x++] = 'g';
617 if (preserve_devices)
618 argstr[x++] = 'D';
619 if (preserve_times)
620 argstr[x++] = 't';
621 if (preserve_perms)
622 argstr[x++] = 'p';
623 if (recurse)
624 argstr[x++] = 'r';
625 if (always_checksum)
626 argstr[x++] = 'c';
627 if (cvs_exclude)
628 argstr[x++] = 'C';
629 if (ignore_times)
630 argstr[x++] = 'I';
631 if (relative_paths)
632 argstr[x++] = 'R';
633 if (one_file_system)
634 argstr[x++] = 'x';
635 if (sparse_files)
636 argstr[x++] = 'S';
637 if (do_compression)
638 argstr[x++] = 'z';
639 argstr[x] = 0;
640
641 if (x != 1) args[ac++] = argstr;
642
643 if (block_size != BLOCK_SIZE) {
0b73ca12 644 slprintf(bsize,sizeof(bsize),"-B%d",block_size);
d853783f
AT		 645 args[ac++] = bsize;
646 }
647
0b73ca12
AT		 648 if (max_delete && am_sender) {
649 slprintf(mdelete,sizeof(mdelete),"--max-delete=%d",max_delete);
650 args[ac++] = mdelete;
651 }
652
d853783f 653 if (io_timeout) {
0b73ca12 654 slprintf(iotime,sizeof(iotime),"--timeout=%d",io_timeout);
d853783f
AT		 655 args[ac++] = iotime;
656 }
657
658 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
659 args[ac++] = "--suffix";
660 args[ac++] = backup_suffix;
661 }
662
b33b791e 663 if (delete_mode && !delete_excluded)
d853783f
AT		 664 args[ac++] = "--delete";
665
b33b791e
DD		 666 if (delete_excluded)
667 args[ac++] = "--delete-excluded";
668
f83f0548
AT		 669 if (size_only)
670 args[ac++] = "--size-only";
671
d853783f
AT		 672 if (keep_partial)
673 args[ac++] = "--partial";
674
675 if (force_delete)
676 args[ac++] = "--force";
677
57df171b
AT		 678 if (delete_after)
679 args[ac++] = "--delete-after";
680
ef55c686
AT		 681 if (ignore_errors)
682 args[ac++] = "--ignore-errors";
683
b5313607
DD		 684 if (copy_unsafe_links)
685 args[ac++] = "--copy-unsafe-links";
686
d853783f
AT		 687 if (safe_symlinks)
688 args[ac++] = "--safe-links";
689
690 if (numeric_ids)
691 args[ac++] = "--numeric-ids";
692
0b73ca12 693 if (only_existing && am_sender)
1347d512
AT		 694 args[ac++] = "--existing";
695
d853783f
AT		 696 if (tmpdir) {
697 args[ac++] = "--temp-dir";
698 args[ac++] = tmpdir;
699 }
700
66203a98
AT		 701 if (backup_dir && am_sender) {
702 /* only the receiver needs this option, if we are the sender
703 * then we need to send it to the receiver.
704 */
705 args[ac++] = "--backup-dir";
706 args[ac++] = backup_dir;
707 }
708
375a4556
DD		 709 if (compare_dest && am_sender) {
710 /* the server only needs this option if it is not the sender,
711 * and it may be an older version that doesn't know this
712 * option, so don't send it if client is the sender.
713 */
714 args[ac++] = "--compare-dest";
715 args[ac++] = compare_dest;
716 }
717
718
d853783f 719 *argc = ac;
7a6421fa
AT		 720}
721
Matt McCutchen's repository for rsync, the fast and versatile remote file copier