xref: /openbsd-src/usr.bin/cvs/commit.c (revision 94fd4554194a14f126fba33b837cc68a1df42468)
1 /*	$OpenBSD: commit.c,v 1.105 2007/02/22 06:42:09 otto 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 	cvs_file_classify(cf, NULL);
157 
158 	if (cf->file_type == CVS_DIR) {
159 		if (verbosity > 1)
160 			cvs_log(LP_NOTICE, "Examining %s", cf->file_path);
161 		return;
162 	}
163 
164 	if (cf->file_status == FILE_CONFLICT ||
165 	    cf->file_status == FILE_UNLINK) {
166 		conflicts_found++;
167 		return;
168 	}
169 
170 	if (cf->file_status != FILE_REMOVED &&
171 	    update_has_conflict_markers(cf)) {
172 		cvs_log(LP_ERR, "conflict: unresolved conflicts in %s from "
173 		    "merging, please fix these first", cf->file_path);
174 		conflicts_found++;
175 		return;
176 	}
177 
178 	if (cf->file_status == FILE_MERGE ||
179 	    cf->file_status == FILE_PATCH ||
180 	    cf->file_status == FILE_CHECKOUT ||
181 	    cf->file_status == FILE_LOST) {
182 		cvs_log(LP_ERR, "conflict: %s is not up-to-date",
183 		    cf->file_path);
184 		conflicts_found++;
185 		return;
186 	}
187 
188 	if (cf->file_status == FILE_ADDED ||
189 	    cf->file_status == FILE_REMOVED ||
190 	    cf->file_status == FILE_MODIFIED)
191 		cvs_file_get(cf->file_path, &files_affected);
192 
193 	switch (cf->file_status) {
194 	case FILE_ADDED:
195 		cvs_file_get(cf->file_path, &files_added);
196 		break;
197 	case FILE_REMOVED:
198 		cvs_file_get(cf->file_path, &files_removed);
199 		break;
200 	case FILE_MODIFIED:
201 		cvs_file_get(cf->file_path, &files_modified);
202 		break;
203 	}
204 }
205 
206 void
207 cvs_commit_local(struct cvs_file *cf)
208 {
209 	BUF *b, *d;
210 	int isnew;
211 	RCSNUM *head;
212 	int openflags, rcsflags;
213 	char rbuf[24], nbuf[24];
214 	CVSENTRIES *entlist;
215 	char attic[MAXPATHLEN], repo[MAXPATHLEN], rcsfile[MAXPATHLEN];
216 
217 	cvs_log(LP_TRACE, "cvs_commit_local(%s)", cf->file_path);
218 	cvs_file_classify(cf, NULL);
219 
220 	if (cvs_noexec == 1)
221 		return;
222 
223 	if (cf->file_type != CVS_FILE)
224 		fatal("cvs_commit_local: '%s' is not a file", cf->file_path);
225 
226 	if (cf->file_status == FILE_MODIFIED ||
227 	    cf->file_status == FILE_REMOVED || (cf->file_status == FILE_ADDED
228 	    && cf->file_rcs != NULL && cf->file_rcs->rf_dead == 1)) {
229 		head = rcs_head_get(cf->file_rcs);
230 		rcsnum_tostr(head, rbuf, sizeof(rbuf));
231 		rcsnum_free(head);
232 	} else {
233 		strlcpy(rbuf, "Non-existent", sizeof(rbuf));
234 	}
235 
236 	isnew = 0;
237 	if (cf->file_status == FILE_ADDED) {
238 		isnew = 1;
239 		rcsflags = RCS_CREATE;
240 		openflags = O_CREAT | O_TRUNC | O_WRONLY;
241 		if (cf->file_rcs != NULL) {
242 			if (cf->file_rcs->rf_inattic == 0)
243 				cvs_log(LP_ERR, "warning: expected %s "
244 				    "to be in the Attic", cf->file_path);
245 
246 			if (cf->file_rcs->rf_dead == 0)
247 				cvs_log(LP_ERR, "warning: expected %s "
248 				    "to be dead", cf->file_path);
249 
250 			cvs_get_repository_path(cf->file_wd, repo, MAXPATHLEN);
251 			(void)xsnprintf(rcsfile, MAXPATHLEN, "%s/%s%s",
252 			    repo, cf->file_name, RCS_FILE_EXT);
253 
254 			if (rename(cf->file_rpath, rcsfile) == -1)
255 				fatal("cvs_commit_local: failed to move %s "
256 				    "outside the Attic: %s", cf->file_path,
257 				    strerror(errno));
258 
259 			xfree(cf->file_rpath);
260 			cf->file_rpath = xstrdup(rcsfile);
261 
262 			rcsflags = RCS_READ | RCS_PARSE_FULLY;
263 			openflags = O_RDONLY;
264 			rcs_close(cf->file_rcs);
265 			isnew = 0;
266 		}
267 
268 		cf->repo_fd = open(cf->file_rpath, openflags);
269 		if (cf->repo_fd < 0)
270 			fatal("cvs_commit_local: %s", strerror(errno));
271 
272 		cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd,
273 		    rcsflags, 0444);
274 		if (cf->file_rcs == NULL)
275 			fatal("cvs_commit_local: failed to create RCS file "
276 			    "for %s", cf->file_path);
277 
278 		commit_desc_set(cf);
279 	}
280 
281 	if (verbosity > 1) {
282 		cvs_printf("Checking in %s:\n", cf->file_path);
283 		cvs_printf("%s <- %s\n", cf->file_rpath, cf->file_path);
284 		cvs_printf("old revision: %s; ", rbuf);
285 	}
286 
287 	if (isnew == 0)
288 		d = commit_diff_file(cf);
289 
290 	if (cf->file_status == FILE_REMOVED) {
291 		b = rcs_rev_getbuf(cf->file_rcs, cf->file_rcs->rf_head, 0);
292 		if (b == NULL)
293 			fatal("cvs_commit_local: failed to get HEAD");
294 	} else {
295 		if ((b = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
296 			fatal("cvs_commit_local: failed to load file");
297 	}
298 
299 	if (isnew == 0) {
300 		if (rcs_deltatext_set(cf->file_rcs,
301 		    cf->file_rcs->rf_head, d) == -1)
302 			fatal("cvs_commit_local: failed to set delta");
303 	}
304 
305 	if (rcs_rev_add(cf->file_rcs, RCS_HEAD_REV, logmsg, -1, NULL) == -1)
306 		fatal("cvs_commit_local: failed to add new revision");
307 
308 	if (rcs_deltatext_set(cf->file_rcs, cf->file_rcs->rf_head, b) == -1)
309 		fatal("cvs_commit_local: failed to set new HEAD delta");
310 
311 	if (cf->file_status == FILE_REMOVED) {
312 		if (rcs_state_set(cf->file_rcs,
313 		    cf->file_rcs->rf_head, RCS_STATE_DEAD) == -1)
314 			fatal("cvs_commit_local: failed to set state");
315 	}
316 
317 	if (cf->file_rcs->rf_branch != NULL) {
318 		rcsnum_free(cf->file_rcs->rf_branch);
319 		cf->file_rcs->rf_branch = NULL;
320 	}
321 
322 	if (cf->file_status == FILE_ADDED && cf->file_ent->ce_opts != NULL) {
323 		int kflag;
324 
325 		kflag = rcs_kflag_get(cf->file_ent->ce_opts + 2);
326 		rcs_kwexp_set(cf->file_rcs, kflag);
327 	}
328 
329 	rcs_write(cf->file_rcs);
330 
331 	if (cf->file_status == FILE_REMOVED) {
332 		strlcpy(nbuf, "Removed", sizeof(nbuf));
333 	} else if (cf->file_status == FILE_ADDED) {
334 		if (cf->file_rcs->rf_dead == 1)
335 			strlcpy(nbuf, "Initial Revision", sizeof(nbuf));
336 		else
337 			rcsnum_tostr(cf->file_rcs->rf_head,
338 			    nbuf, sizeof(nbuf));
339 	} else if (cf->file_status == FILE_MODIFIED) {
340 		rcsnum_tostr(cf->file_rcs->rf_head, nbuf, sizeof(nbuf));
341 	}
342 
343 	if (verbosity > 1)
344 		cvs_printf("new revision: %s\n", nbuf);
345 
346 	(void)unlink(cf->file_path);
347 	(void)close(cf->fd);
348 	cf->fd = -1;
349 
350 	if (cf->file_status != FILE_REMOVED) {
351 		cvs_checkout_file(cf, cf->file_rcs->rf_head, CO_COMMIT);
352 	} else {
353 		entlist = cvs_ent_open(cf->file_wd);
354 		cvs_ent_remove(entlist, cf->file_name);
355 		cvs_ent_close(entlist, ENT_SYNC);
356 
357 		cvs_get_repository_path(cf->file_wd, repo, MAXPATHLEN);
358 
359 		(void)xsnprintf(attic, MAXPATHLEN, "%s/%s",
360 		    repo, CVS_PATH_ATTIC);
361 
362 		if (mkdir(attic, 0755) == -1 && errno != EEXIST)
363 			fatal("cvs_commit_local: failed to create Attic");
364 
365 		(void)xsnprintf(attic, MAXPATHLEN, "%s/%s/%s%s", repo,
366 		    CVS_PATH_ATTIC, cf->file_name, RCS_FILE_EXT);
367 
368 		if (rename(cf->file_rpath, attic) == -1)
369 			fatal("cvs_commit_local: failed to move %s to Attic",
370 			    cf->file_path);
371 
372 		if (cvs_server_active == 1)
373 			cvs_server_update_entry("Remove-entry", cf);
374 	}
375 
376 	if (verbosity > 1)
377 		cvs_printf("done\n");
378 	else {
379 		cvs_log(LP_NOTICE, "checking in '%s'; revision %s -> %s",
380 		    cf->file_path, rbuf, nbuf);
381 	}
382 }
383 
384 static BUF *
385 commit_diff_file(struct cvs_file *cf)
386 {
387 	char *p1, *p2;
388 	BUF *b1, *b2;
389 
390 	(void)xasprintf(&p1, "%s/diff1.XXXXXXXXXX", cvs_tmpdir);
391 
392 	if (cf->file_status == FILE_MODIFIED ||
393 	    cf->file_status == FILE_ADDED) {
394 		if ((b1 = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
395 			fatal("commit_diff_file: failed to load '%s'",
396 			    cf->file_path);
397 		cvs_buf_write_stmp(b1, p1, NULL);
398 		cvs_buf_free(b1);
399 	} else {
400 		rcs_rev_write_stmp(cf->file_rcs, cf->file_rcs->rf_head, p1, 0);
401 	}
402 
403 	(void)xasprintf(&p2, "%s/diff2.XXXXXXXXXX", cvs_tmpdir);
404 	rcs_rev_write_stmp(cf->file_rcs, cf->file_rcs->rf_head, p2, 0);
405 
406 	if ((b2 = cvs_buf_alloc(128, BUF_AUTOEXT)) == NULL)
407 		fatal("commit_diff_file: failed to create diff buf");
408 
409 	diff_format = D_RCSDIFF;
410 	if (cvs_diffreg(p1, p2, b2) == D_ERROR)
411 		fatal("commit_diff_file: failed to get RCS patch");
412 
413 	xfree(p1);
414 	xfree(p2);
415 
416 	return (b2);
417 }
418 
419 static void
420 commit_desc_set(struct cvs_file *cf)
421 {
422 	BUF *bp;
423 	int fd;
424 	char desc_path[MAXPATHLEN], *desc;
425 
426 	(void)xsnprintf(desc_path, MAXPATHLEN, "%s/%s%s",
427 	    CVS_PATH_CVSDIR, cf->file_name, CVS_DESCR_FILE_EXT);
428 
429 	if ((fd = open(desc_path, O_RDONLY)) == -1)
430 		return;
431 
432 	bp = cvs_buf_load_fd(fd, BUF_AUTOEXT);
433 	cvs_buf_putc(bp, '\0');
434 	desc = cvs_buf_release(bp);
435 
436 	rcs_desc_set(cf->file_rcs, desc);
437 
438 	(void)close(fd);
439 	(void)cvs_unlink(desc_path);
440 
441 	xfree(desc);
442 }
443