xref: /openbsd-src/usr.bin/cvs/commit.c (revision 7cffd7e4aa84e89ded922aaf94b707e0bf49a362)
1 /*	$OpenBSD: commit.c,v 1.108 2007/06/28 17:45:49 joris Exp $	*/
2 /*
3  * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
4  * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/stat.h>
20 
21 #include <errno.h>
22 #include <fcntl.h>
23 #include <string.h>
24 #include <unistd.h>
25 
26 #include "cvs.h"
27 #include "diff.h"
28 #include "remote.h"
29 
30 void	cvs_commit_local(struct cvs_file *);
31 void	cvs_commit_check_files(struct cvs_file *);
32 
33 static BUF *commit_diff_file(struct cvs_file *);
34 static void commit_desc_set(struct cvs_file *);
35 
36 struct	cvs_flisthead files_affected;
37 struct	cvs_flisthead files_added;
38 struct	cvs_flisthead files_removed;
39 struct	cvs_flisthead files_modified;
40 
41 int	conflicts_found;
42 char	*logmsg = NULL;
43 
44 struct cvs_cmd cvs_cmd_commit = {
45 	CVS_OP_COMMIT, 0, "commit",
46 	{ "ci", "com" },
47 	"Check files into the repository",
48 	"[-flR] [-F logfile | -m msg] [-r rev] ...",
49 	"F:flm:Rr:",
50 	NULL,
51 	cvs_commit
52 };
53 
54 int
55 cvs_commit(int argc, char **argv)
56 {
57 	int ch;
58 	char *arg = ".";
59 	int flags;
60 	struct cvs_recursion cr;
61 
62 	flags = CR_RECURSE_DIRS;
63 
64 	while ((ch = getopt(argc, argv, cvs_cmd_commit.cmd_opts)) != -1) {
65 		switch (ch) {
66 		case 'F':
67 			logmsg = cvs_logmsg_read(optarg);
68 			break;
69 		case 'f':
70 			break;
71 		case 'l':
72 			flags &= ~CR_RECURSE_DIRS;
73 			break;
74 		case 'm':
75 			logmsg = xstrdup(optarg);
76 			break;
77 		case 'R':
78 			break;
79 		case 'r':
80 			break;
81 		default:
82 			fatal("%s", cvs_cmd_commit.cmd_synopsis);
83 		}
84 	}
85 
86 	argc -= optind;
87 	argv += optind;
88 
89 	TAILQ_INIT(&files_affected);
90 	TAILQ_INIT(&files_added);
91 	TAILQ_INIT(&files_removed);
92 	TAILQ_INIT(&files_modified);
93 	conflicts_found = 0;
94 
95 	cr.enterdir = NULL;
96 	cr.leavedir = NULL;
97 	cr.fileproc = cvs_commit_check_files;
98 	cr.flags = flags;
99 
100 	if (argc > 0)
101 		cvs_file_run(argc, argv, &cr);
102 	else
103 		cvs_file_run(1, &arg, &cr);
104 
105 	if (conflicts_found != 0)
106 		fatal("%d conflicts found, please correct these first",
107 		    conflicts_found);
108 
109 	if (TAILQ_EMPTY(&files_affected))
110 		return (0);
111 
112 	if (logmsg == NULL && cvs_server_active == 0) {
113 		logmsg = cvs_logmsg_create(&files_added, &files_removed,
114 		    &files_modified);
115 	}
116 
117 	if (logmsg == NULL)
118 		fatal("This shouldnt happen, honestly!");
119 
120 	cvs_file_freelist(&files_modified);
121 	cvs_file_freelist(&files_removed);
122 	cvs_file_freelist(&files_added);
123 
124 	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
125 		cvs_client_connect_to_server();
126 		cr.fileproc = cvs_client_sendfile;
127 
128 		if (argc > 0)
129 			cvs_file_run(argc, argv, &cr);
130 		else
131 			cvs_file_run(1, &arg, &cr);
132 
133 		if (!(flags & CR_RECURSE_DIRS))
134 			cvs_client_send_request("Argument -l");
135 
136 		cvs_client_send_request("Argument -m%s", logmsg);
137 
138 		cvs_client_send_files(argv, argc);
139 		cvs_client_senddir(".");
140 		cvs_client_send_request("ci");
141 		cvs_client_get_responses();
142 	} else {
143 		cr.fileproc = cvs_commit_local;
144 		cvs_file_walklist(&files_affected, &cr);
145 		cvs_file_freelist(&files_affected);
146 	}
147 
148 	return (0);
149 }
150 
151 void
152 cvs_commit_check_files(struct cvs_file *cf)
153 {
154 	cvs_log(LP_TRACE, "cvs_commit_check_files(%s)", cf->file_path);
155 
156 	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL)
157 		cvs_remote_classify_file(cf);
158 	else
159 		cvs_file_classify(cf, NULL);
160 
161 	if (cf->file_type == CVS_DIR) {
162 		if (verbosity > 1)
163 			cvs_log(LP_NOTICE, "Examining %s", cf->file_path);
164 		return;
165 	}
166 
167 	if (cf->file_status == FILE_CONFLICT ||
168 	    cf->file_status == FILE_UNLINK) {
169 		conflicts_found++;
170 		return;
171 	}
172 
173 	if (cf->file_status != FILE_REMOVED &&
174 	    update_has_conflict_markers(cf)) {
175 		cvs_log(LP_ERR, "conflict: unresolved conflicts in %s from "
176 		    "merging, please fix these first", cf->file_path);
177 		conflicts_found++;
178 		return;
179 	}
180 
181 	if (cf->file_status == FILE_MERGE ||
182 	    cf->file_status == FILE_PATCH ||
183 	    cf->file_status == FILE_CHECKOUT ||
184 	    cf->file_status == FILE_LOST) {
185 		cvs_log(LP_ERR, "conflict: %s is not up-to-date",
186 		    cf->file_path);
187 		conflicts_found++;
188 		return;
189 	}
190 
191 	if (cf->file_status == FILE_ADDED ||
192 	    cf->file_status == FILE_REMOVED ||
193 	    cf->file_status == FILE_MODIFIED)
194 		cvs_file_get(cf->file_path, &files_affected);
195 
196 	switch (cf->file_status) {
197 	case FILE_ADDED:
198 		cvs_file_get(cf->file_path, &files_added);
199 		break;
200 	case FILE_REMOVED:
201 		cvs_file_get(cf->file_path, &files_removed);
202 		break;
203 	case FILE_MODIFIED:
204 		cvs_file_get(cf->file_path, &files_modified);
205 		break;
206 	}
207 }
208 
209 void
210 cvs_commit_local(struct cvs_file *cf)
211 {
212 	BUF *b, *d;
213 	int isnew, histtype;
214 	RCSNUM *head;
215 	int openflags, rcsflags;
216 	char rbuf[24], nbuf[24];
217 	CVSENTRIES *entlist;
218 	char attic[MAXPATHLEN], repo[MAXPATHLEN], rcsfile[MAXPATHLEN];
219 
220 	cvs_log(LP_TRACE, "cvs_commit_local(%s)", cf->file_path);
221 	cvs_file_classify(cf, NULL);
222 
223 	if (cvs_noexec == 1)
224 		return;
225 
226 	if (cf->file_type != CVS_FILE)
227 		fatal("cvs_commit_local: '%s' is not a file", cf->file_path);
228 
229 	if (cf->file_status != FILE_MODIFIED &&
230 	    cf->file_status != FILE_ADDED &&
231 	    cf->file_status != FILE_REMOVED) {
232 		cvs_log(LP_ERR, "skipping bogus file `%s'", cf->file_path);
233 		return;
234 	}
235 
236 	if (cf->file_status == FILE_MODIFIED ||
237 	    cf->file_status == FILE_REMOVED || (cf->file_status == FILE_ADDED
238 	    && cf->file_rcs != NULL && cf->file_rcs->rf_dead == 1)) {
239 		head = rcs_head_get(cf->file_rcs);
240 		rcsnum_tostr(head, rbuf, sizeof(rbuf));
241 		rcsnum_free(head);
242 	} else {
243 		strlcpy(rbuf, "Non-existent", sizeof(rbuf));
244 	}
245 
246 	isnew = 0;
247 	if (cf->file_status == FILE_ADDED) {
248 		isnew = 1;
249 		rcsflags = RCS_CREATE;
250 		openflags = O_CREAT | O_TRUNC | O_WRONLY;
251 		if (cf->file_rcs != NULL) {
252 			if (cf->in_attic == 0)
253 				cvs_log(LP_ERR, "warning: expected %s "
254 				    "to be in the Attic", cf->file_path);
255 
256 			if (cf->file_rcs->rf_dead == 0)
257 				cvs_log(LP_ERR, "warning: expected %s "
258 				    "to be dead", cf->file_path);
259 
260 			cvs_get_repository_path(cf->file_wd, repo, MAXPATHLEN);
261 			(void)xsnprintf(rcsfile, MAXPATHLEN, "%s/%s%s",
262 			    repo, cf->file_name, RCS_FILE_EXT);
263 
264 			if (rename(cf->file_rpath, rcsfile) == -1)
265 				fatal("cvs_commit_local: failed to move %s "
266 				    "outside the Attic: %s", cf->file_path,
267 				    strerror(errno));
268 
269 			xfree(cf->file_rpath);
270 			cf->file_rpath = xstrdup(rcsfile);
271 
272 			rcsflags = RCS_READ | RCS_PARSE_FULLY;
273 			openflags = O_RDONLY;
274 			rcs_close(cf->file_rcs);
275 			isnew = 0;
276 		}
277 
278 		cf->repo_fd = open(cf->file_rpath, openflags);
279 		if (cf->repo_fd < 0)
280 			fatal("cvs_commit_local: %s", strerror(errno));
281 
282 		cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd,
283 		    rcsflags, 0444);
284 		if (cf->file_rcs == NULL)
285 			fatal("cvs_commit_local: failed to create RCS file "
286 			    "for %s", cf->file_path);
287 
288 		commit_desc_set(cf);
289 	}
290 
291 	if (verbosity > 1) {
292 		cvs_printf("Checking in %s:\n", cf->file_path);
293 		cvs_printf("%s <- %s\n", cf->file_rpath, cf->file_path);
294 		cvs_printf("old revision: %s; ", rbuf);
295 	}
296 
297 	if (isnew == 0)
298 		d = commit_diff_file(cf);
299 
300 	if (cf->file_status == FILE_REMOVED) {
301 		b = rcs_rev_getbuf(cf->file_rcs, cf->file_rcs->rf_head, 0);
302 		if (b == NULL)
303 			fatal("cvs_commit_local: failed to get HEAD");
304 	} else {
305 		if ((b = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
306 			fatal("cvs_commit_local: failed to load file");
307 	}
308 
309 	if (isnew == 0) {
310 		if (rcs_deltatext_set(cf->file_rcs,
311 		    cf->file_rcs->rf_head, d) == -1)
312 			fatal("cvs_commit_local: failed to set delta");
313 	}
314 
315 	if (rcs_rev_add(cf->file_rcs, RCS_HEAD_REV, logmsg, -1, NULL) == -1)
316 		fatal("cvs_commit_local: failed to add new revision");
317 
318 	if (rcs_deltatext_set(cf->file_rcs, cf->file_rcs->rf_head, b) == -1)
319 		fatal("cvs_commit_local: failed to set new HEAD delta");
320 
321 	if (cf->file_status == FILE_REMOVED) {
322 		if (rcs_state_set(cf->file_rcs,
323 		    cf->file_rcs->rf_head, RCS_STATE_DEAD) == -1)
324 			fatal("cvs_commit_local: failed to set state");
325 	}
326 
327 	if (cf->file_rcs->rf_branch != NULL) {
328 		rcsnum_free(cf->file_rcs->rf_branch);
329 		cf->file_rcs->rf_branch = NULL;
330 	}
331 
332 	if (cf->file_status == FILE_ADDED && cf->file_ent->ce_opts != NULL) {
333 		int kflag;
334 
335 		kflag = rcs_kflag_get(cf->file_ent->ce_opts + 2);
336 		rcs_kwexp_set(cf->file_rcs, kflag);
337 	}
338 
339 	rcs_write(cf->file_rcs);
340 
341 	if (cf->file_status == FILE_REMOVED) {
342 		strlcpy(nbuf, "Removed", sizeof(nbuf));
343 	} else if (cf->file_status == FILE_ADDED) {
344 		if (cf->file_rcs->rf_dead == 1)
345 			strlcpy(nbuf, "Initial Revision", sizeof(nbuf));
346 		else
347 			rcsnum_tostr(cf->file_rcs->rf_head,
348 			    nbuf, sizeof(nbuf));
349 	} else if (cf->file_status == FILE_MODIFIED) {
350 		rcsnum_tostr(cf->file_rcs->rf_head, nbuf, sizeof(nbuf));
351 	}
352 
353 	if (verbosity > 1)
354 		cvs_printf("new revision: %s\n", nbuf);
355 
356 	(void)unlink(cf->file_path);
357 	(void)close(cf->fd);
358 	cf->fd = -1;
359 
360 	if (cf->file_status != FILE_REMOVED) {
361 		cvs_checkout_file(cf, cf->file_rcs->rf_head, CO_COMMIT);
362 	} else {
363 		entlist = cvs_ent_open(cf->file_wd);
364 		cvs_ent_remove(entlist, cf->file_name);
365 		cvs_ent_close(entlist, ENT_SYNC);
366 
367 		cvs_get_repository_path(cf->file_wd, repo, MAXPATHLEN);
368 
369 		(void)xsnprintf(attic, MAXPATHLEN, "%s/%s",
370 		    repo, CVS_PATH_ATTIC);
371 
372 		if (mkdir(attic, 0755) == -1 && errno != EEXIST)
373 			fatal("cvs_commit_local: failed to create Attic");
374 
375 		(void)xsnprintf(attic, MAXPATHLEN, "%s/%s/%s%s", repo,
376 		    CVS_PATH_ATTIC, cf->file_name, RCS_FILE_EXT);
377 
378 		if (rename(cf->file_rpath, attic) == -1)
379 			fatal("cvs_commit_local: failed to move %s to Attic",
380 			    cf->file_path);
381 
382 		if (cvs_server_active == 1)
383 			cvs_server_update_entry("Remove-entry", cf);
384 	}
385 
386 	if (verbosity > 1)
387 		cvs_printf("done\n");
388 	else {
389 		cvs_log(LP_NOTICE, "checking in '%s'; revision %s -> %s",
390 		    cf->file_path, rbuf, nbuf);
391 	}
392 
393 	switch (cf->file_status) {
394 	case FILE_MODIFIED:
395 		histtype = CVS_HISTORY_COMMIT_MODIFIED;
396 		break;
397 	case FILE_ADDED:
398 		histtype = CVS_HISTORY_COMMIT_ADDED;
399 		break;
400 	case FILE_REMOVED:
401 		histtype = CVS_HISTORY_COMMIT_REMOVED;
402 		break;
403 	}
404 
405 	cvs_history_add(histtype, cf, NULL);
406 }
407 
408 static BUF *
409 commit_diff_file(struct cvs_file *cf)
410 {
411 	char *p1, *p2;
412 	BUF *b1, *b2;
413 
414 	(void)xasprintf(&p1, "%s/diff1.XXXXXXXXXX", cvs_tmpdir);
415 
416 	if (cf->file_status == FILE_MODIFIED ||
417 	    cf->file_status == FILE_ADDED) {
418 		if ((b1 = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
419 			fatal("commit_diff_file: failed to load '%s'",
420 			    cf->file_path);
421 		cvs_buf_write_stmp(b1, p1, NULL);
422 		cvs_buf_free(b1);
423 	} else {
424 		rcs_rev_write_stmp(cf->file_rcs, cf->file_rcs->rf_head, p1, 0);
425 	}
426 
427 	(void)xasprintf(&p2, "%s/diff2.XXXXXXXXXX", cvs_tmpdir);
428 	rcs_rev_write_stmp(cf->file_rcs, cf->file_rcs->rf_head, p2, 0);
429 
430 	if ((b2 = cvs_buf_alloc(128, BUF_AUTOEXT)) == NULL)
431 		fatal("commit_diff_file: failed to create diff buf");
432 
433 	diff_format = D_RCSDIFF;
434 	if (cvs_diffreg(p1, p2, b2) == D_ERROR)
435 		fatal("commit_diff_file: failed to get RCS patch");
436 
437 	xfree(p1);
438 	xfree(p2);
439 
440 	return (b2);
441 }
442 
443 static void
444 commit_desc_set(struct cvs_file *cf)
445 {
446 	BUF *bp;
447 	int fd;
448 	char desc_path[MAXPATHLEN], *desc;
449 
450 	(void)xsnprintf(desc_path, MAXPATHLEN, "%s/%s%s",
451 	    CVS_PATH_CVSDIR, cf->file_name, CVS_DESCR_FILE_EXT);
452 
453 	if ((fd = open(desc_path, O_RDONLY)) == -1)
454 		return;
455 
456 	bp = cvs_buf_load_fd(fd, BUF_AUTOEXT);
457 	cvs_buf_putc(bp, '\0');
458 	desc = cvs_buf_release(bp);
459 
460 	rcs_desc_set(cf->file_rcs, desc);
461 
462 	(void)close(fd);
463 	(void)cvs_unlink(desc_path);
464 
465 	xfree(desc);
466 }
467