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