make a function static
[rsync/rsync.git] / options.c
CommitLineData
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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;
40int one_file_system=0;
41int remote_version=0;
42int sparse_files=0;
43int do_compression=0;
44int am_root=0;
45int orig_umask=0;
46int relative_paths=0;
47int numeric_ids = 0;
48int force_delete = 0;
49int io_timeout = 0;
50int io_error = 0;
51int read_only = 0;
52int module_id = -1;
53int am_server = 0;
54int am_sender=0;
55int recurse = 0;
56int am_daemon=0;
8d9dc9f9 57int am_client=0;
a800434a 58int do_stats=0;
eb86d661 59int do_progress=0;
c95da96a 60int keep_partial=0;
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61
62int block_size=BLOCK_SIZE;
63
64char *backup_suffix = BACKUP_SUFFIX;
65char *tmpdir = NULL;
66char *config_file = RSYNCD_CONF;
67char *shell_cmd = NULL;
68
69char *rsync_path = RSYNC_NAME;
70int rsync_port = RSYNC_PORT;
71
72int verbose = 0;
73int always_checksum = 0;
74
75
76void usage(int F)
77{
78 rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
79 VERSION);
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80
81 rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
82
83 rprintf(F,"Usage: rsync [OPTION]... SRC [USER@]HOST:DEST\n");
84 rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
85 rprintf(F," or rsync [OPTION]... SRC DEST\n");
86 rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC DEST\n");
87 rprintf(F," or rsync [OPTION]... SRC [USER@]HOST::DEST\n");
88 rprintf(F,"\nOptions\n");
89 rprintf(F," -v, --verbose increase verbosity\n");
90 rprintf(F," -c, --checksum always checksum\n");
91 rprintf(F," -a, --archive archive mode\n");
92 rprintf(F," -r, --recursive recurse into directories\n");
93 rprintf(F," -R, --relative use relative path names\n");
94 rprintf(F," -b, --backup make backups (default ~ extension)\n");
95 rprintf(F," -u, --update update only (don't overwrite newer files)\n");
96 rprintf(F," -l, --links preserve soft links\n");
97 rprintf(F," -L, --copy-links treat soft links like regular files\n");
98 rprintf(F," -H, --hard-links preserve hard links\n");
99 rprintf(F," -p, --perms preserve permissions\n");
100 rprintf(F," -o, --owner preserve owner (root only)\n");
101 rprintf(F," -g, --group preserve group\n");
102 rprintf(F," -D, --devices preserve devices (root only)\n");
103 rprintf(F," -t, --times preserve times\n");
104 rprintf(F," -S, --sparse handle sparse files efficiently\n");
105 rprintf(F," -n, --dry-run show what would have been transferred\n");
106 rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
107 rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
108 rprintf(F," -B, --block-size=SIZE checksum blocking size\n");
109 rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
110 rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
111 rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
112 rprintf(F," --delete delete files that don't exist on the sending side\n");
c95da96a 113 rprintf(F," --partial keep partially transferred files\n");
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114 rprintf(F," --force force deletion of directories even if not empty\n");
115 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
116 rprintf(F," --timeout=TIME set IO timeout in seconds\n");
117 rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
118 rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
119 rprintf(F," -z, --compress compress file data\n");
120 rprintf(F," --exclude=PATTERN exclude file FILE\n");
121 rprintf(F," --exclude-from=PATTERN exclude files listed in FILE\n");
122 rprintf(F," --include=PATTERN don't exclude file FILE\n");
123 rprintf(F," --include-from=PATTERN don't exclude files listed in FILE\n");
124 rprintf(F," --suffix=SUFFIX override backup suffix\n");
125 rprintf(F," --version print version number\n");
126 rprintf(F," --daemon run as a rsync daemon\n");
127 rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
128 rprintf(F," --port=PORT specify alternate rsyncd port number\n");
129 rprintf(F," --stats give some file transfer stats\n");
eb86d661 130 rprintf(F," --progress show progress during transfer\n");
704f908e 131 rprintf(F," -h, --help show this help screen\n");
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132
133 rprintf(F,"\n");
134 rprintf(F,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
135 rprintf(F,"the block size defaults to %d\n",BLOCK_SIZE);
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136
137 rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
138 rprintf(F,"See http://samba.anu.edu.au/rsync/ for updates and bug reports\n");
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139}
140
141enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
142 OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
2b6b4d53 143 OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON,OPT_CONFIG,OPT_PORT,
eb86d661 144 OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS};
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145
146static char *short_options = "oblLWHpguDCtcahvrRIxnSe:B:T:z";
147
148static struct option long_options[] = {
149 {"version", 0, 0, OPT_VERSION},
150 {"server", 0, 0, OPT_SERVER},
151 {"sender", 0, 0, OPT_SENDER},
152 {"delete", 0, 0, OPT_DELETE},
153 {"force", 0, 0, OPT_FORCE},
154 {"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
155 {"exclude", 1, 0, OPT_EXCLUDE},
156 {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
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157 {"include", 1, 0, OPT_INCLUDE},
158 {"include-from",1, 0, OPT_INCLUDE_FROM},
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159 {"rsync-path", 1, 0, OPT_RSYNC_PATH},
160 {"one-file-system",0, 0, 'x'},
161 {"ignore-times",0, 0, 'I'},
162 {"help", 0, 0, 'h'},
163 {"dry-run", 0, 0, 'n'},
164 {"sparse", 0, 0, 'S'},
165 {"cvs-exclude", 0, 0, 'C'},
166 {"archive", 0, 0, 'a'},
167 {"checksum", 0, 0, 'c'},
168 {"backup", 0, 0, 'b'},
169 {"update", 0, 0, 'u'},
170 {"verbose", 0, 0, 'v'},
171 {"recursive", 0, 0, 'r'},
172 {"relative", 0, 0, 'R'},
173 {"devices", 0, 0, 'D'},
174 {"perms", 0, 0, 'p'},
175 {"links", 0, 0, 'l'},
176 {"copy-links", 0, 0, 'L'},
177 {"whole-file", 0, 0, 'W'},
178 {"hard-links", 0, 0, 'H'},
179 {"owner", 0, 0, 'o'},
180 {"group", 0, 0, 'g'},
181 {"times", 0, 0, 't'},
182 {"rsh", 1, 0, 'e'},
183 {"suffix", 1, 0, OPT_SUFFIX},
184 {"block-size", 1, 0, 'B'},
185 {"timeout", 1, 0, OPT_TIMEOUT},
186 {"temp-dir", 1, 0, 'T'},
187 {"compress", 0, 0, 'z'},
188 {"daemon", 0, 0, OPT_DAEMON},
a800434a 189 {"stats", 0, 0, OPT_STATS},
eb86d661 190 {"progress", 0, 0, OPT_PROGRESS},
c95da96a 191 {"partial", 0, 0, OPT_PARTIAL},
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192 {"config", 1, 0, OPT_CONFIG},
193 {"port", 1, 0, OPT_PORT},
194 {0,0,0,0}};
195
196void parse_arguments(int argc, char *argv[])
197{
198 int opt;
199 int option_index;
200
201 while ((opt = getopt_long(argc, argv,
202 short_options, long_options, &option_index))
203 != -1) {
204 switch (opt)
205 {
206 case OPT_VERSION:
704f908e 207 printf("rsync version %s protocol version %d\n\n",
7a6421fa 208 VERSION,PROTOCOL_VERSION);
704f908e 209 printf("Written by Andrew Tridgell and Paul Mackerras\n");
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210 exit_cleanup(0);
211
212 case OPT_SUFFIX:
213 backup_suffix = optarg;
214 break;
215
216 case OPT_RSYNC_PATH:
217 rsync_path = optarg;
218 break;
219
220 case 'I':
221 ignore_times = 1;
222 break;
223
224 case 'x':
225 one_file_system=1;
226 break;
227
228 case OPT_DELETE:
229 delete_mode = 1;
230 break;
231
232 case OPT_FORCE:
233 force_delete = 1;
234 break;
235
236 case OPT_NUMERIC_IDS:
237 numeric_ids = 1;
238 break;
239
240 case OPT_EXCLUDE:
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241 add_exclude(optarg, 0);
242 break;
243
244 case OPT_INCLUDE:
245 add_exclude(optarg, 1);
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246 break;
247
248 case OPT_EXCLUDE_FROM:
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249 add_exclude_file(optarg,1, 0);
250 break;
251
252 case OPT_INCLUDE_FROM:
253 add_exclude_file(optarg,1, 1);
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254 break;
255
256 case 'h':
257 usage(FINFO);
258 exit_cleanup(0);
259
260 case 'b':
261 make_backups=1;
262 break;
263
264 case 'n':
265 dry_run=1;
266 break;
267
268 case 'S':
269 sparse_files=1;
270 break;
271
272 case 'C':
273 cvs_exclude=1;
274 break;
275
276 case 'u':
277 update_only=1;
278 break;
279
280 case 'l':
281 preserve_links=1;
282 break;
283
284 case 'L':
285 copy_links=1;
286 break;
287
288 case 'W':
289 whole_file=1;
290 break;
291
292 case 'H':
293#if SUPPORT_HARD_LINKS
294 preserve_hard_links=1;
295#else
296 rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
297 exit_cleanup(1);
298#endif
299 break;
300
301 case 'p':
302 preserve_perms=1;
303 break;
304
305 case 'o':
306 preserve_uid=1;
307 break;
308
309 case 'g':
310 preserve_gid=1;
311 break;
312
313 case 'D':
314 preserve_devices=1;
315 break;
316
317 case 't':
318 preserve_times=1;
319 break;
320
321 case 'c':
322 always_checksum=1;
323 break;
324
325 case 'v':
326 verbose++;
327 break;
328
329 case 'a':
330 recurse=1;
331#if SUPPORT_LINKS
332 preserve_links=1;
333#endif
334 preserve_perms=1;
335 preserve_times=1;
336 preserve_gid=1;
337 if (am_root) {
338 preserve_devices=1;
339 preserve_uid=1;
340 }
341 break;
342
343 case OPT_SERVER:
344 am_server = 1;
345 break;
346
347 case OPT_SENDER:
348 if (!am_server) {
349 usage(FERROR);
350 exit_cleanup(1);
351 }
352 am_sender = 1;
353 break;
354
355 case 'r':
356 recurse = 1;
357 break;
358
359 case 'R':
360 relative_paths = 1;
361 break;
362
363 case 'e':
364 shell_cmd = optarg;
365 break;
366
367 case 'B':
368 block_size = atoi(optarg);
369 break;
370
371 case OPT_TIMEOUT:
372 io_timeout = atoi(optarg);
373 break;
374
375 case 'T':
376 tmpdir = optarg;
377 break;
378
379 case 'z':
380 do_compression = 1;
381 break;
382
383 case OPT_DAEMON:
384 am_daemon = 1;
385 break;
386
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387 case OPT_STATS:
388 do_stats = 1;
389 break;
390
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391 case OPT_PROGRESS:
392 do_progress = 1;
393 break;
394
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395 case OPT_PARTIAL:
396 keep_partial = 1;
397 break;
398
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399 case OPT_CONFIG:
400 config_file = optarg;
401 break;
402
403 case OPT_PORT:
404 rsync_port = atoi(optarg);
405 break;
406
407 default:
408 /* rprintf(FERROR,"bad option -%c\n",opt); */
409 exit_cleanup(1);
410 }
411 }
412}
413
414
415void server_options(char **args,int *argc)
416{
417 int ac = *argc;
418 static char argstr[50];
419 static char bsize[30];
420 static char iotime[30];
421 int i, x;
422
423 args[ac++] = "--server";
424
425 if (!am_sender)
426 args[ac++] = "--sender";
427
428 x = 1;
429 argstr[0] = '-';
430 for (i=0;i<verbose;i++)
431 argstr[x++] = 'v';
432 if (make_backups)
433 argstr[x++] = 'b';
434 if (update_only)
435 argstr[x++] = 'u';
436 if (dry_run)
437 argstr[x++] = 'n';
438 if (preserve_links)
439 argstr[x++] = 'l';
440 if (copy_links)
441 argstr[x++] = 'L';
442 if (whole_file)
443 argstr[x++] = 'W';
444 if (preserve_hard_links)
445 argstr[x++] = 'H';
446 if (preserve_uid)
447 argstr[x++] = 'o';
448 if (preserve_gid)
449 argstr[x++] = 'g';
450 if (preserve_devices)
451 argstr[x++] = 'D';
452 if (preserve_times)
453 argstr[x++] = 't';
454 if (preserve_perms)
455 argstr[x++] = 'p';
456 if (recurse)
457 argstr[x++] = 'r';
458 if (always_checksum)
459 argstr[x++] = 'c';
460 if (cvs_exclude)
461 argstr[x++] = 'C';
462 if (ignore_times)
463 argstr[x++] = 'I';
464 if (relative_paths)
465 argstr[x++] = 'R';
466 if (one_file_system)
467 argstr[x++] = 'x';
468 if (sparse_files)
469 argstr[x++] = 'S';
470 if (do_compression)
471 argstr[x++] = 'z';
472 argstr[x] = 0;
473
474 if (x != 1) args[ac++] = argstr;
475
476 if (block_size != BLOCK_SIZE) {
477 sprintf(bsize,"-B%d",block_size);
478 args[ac++] = bsize;
479 }
480
481 if (io_timeout) {
482 sprintf(iotime,"--timeout=%d",io_timeout);
483 args[ac++] = iotime;
484 }
485
486 if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
487 args[ac++] = "--suffix";
488 args[ac++] = backup_suffix;
489 }
490
491 if (delete_mode)
492 args[ac++] = "--delete";
493
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494 if (keep_partial)
495 args[ac++] = "--partial";
496
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497 if (force_delete)
498 args[ac++] = "--force";
499
500 if (numeric_ids)
501 args[ac++] = "--numeric-ids";
502
503 if (tmpdir) {
504 args[ac++] = "--temp-dir";
505 args[ac++] = tmpdir;
506 }
507
508 *argc = ac;
509}
510