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